{ "version": "2.2", "instance": { "bcow-20231231.htm": { "nsprefix": "bcow", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "dts": { "inline": { "local": [ "bcow-20231231.htm" ] }, "schema": { "local": [ "bcow-20231231.xsd" ], "remote": [ "http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd", "http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd", "http://www.xbrl.org/2003/xl-2003-12-31.xsd", "http://www.xbrl.org/2003/xlink-2003-12-31.xsd", "http://www.xbrl.org/2005/xbrldt-2005.xsd", "http://www.xbrl.org/2006/ref-2006-02-27.xsd", "http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd", "http://www.xbrl.org/lrr/role/reference-2009-12-16.xsd", "https://www.xbrl.org/2020/extensible-enumerations-2.0.xsd", "https://www.xbrl.org/dtr/type/2020-01-21/types.xsd", "https://www.xbrl.org/dtr/type/2022-03-31/types.xsd", "https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd", "https://xbrl.fasb.org/srt/2023/elts/srt-roles-2023.xsd", "https://xbrl.fasb.org/srt/2023/elts/srt-types-2023.xsd", "https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd", "https://xbrl.fasb.org/us-gaap/2023/elts/us-roles-2023.xsd", "https://xbrl.fasb.org/us-gaap/2023/elts/us-types-2023.xsd", "https://xbrl.sec.gov/country/2023/country-2023.xsd", "https://xbrl.sec.gov/dei/2023/dei-2023.xsd", "https://xbrl.sec.gov/ecd/2023/ecd-2023.xsd", "https://xbrl.sec.gov/ecd/2023/ecd-sub-2023.xsd" ] } }, "keyStandard": 483, "keyCustom": 106, "axisStandard": 34, "axisCustom": 0, "memberStandard": 58, "memberCustom": 60, "hidden": { "total": 7, "http://fasb.org/us-gaap/2023": 4, "http://xbrl.sec.gov/dei/2023": 3 }, "contextCount": 391, "entityCount": 1, "segmentCount": 129, "elementCount": 1037, "unitCount": 5, "baseTaxonomies": { "http://fasb.org/us-gaap/2023": 1546, "http://xbrl.sec.gov/dei/2023": 39, "http://xbrl.sec.gov/ecd/2023": 4, "http://fasb.org/srt/2023": 1 }, "report": { "R1": { "role": "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/CoverPage", "longName": "100000 - Document - Cover Page", "shortName": "Cover Page", "isDefault": "true", "groupType": "document", "subGroupType": "", "menuCat": "Cover", "order": "1", "firstAnchor": { "contextRef": "C_0cfc6e8b-9777-4fb6-9a26-896432a83a03", "name": "dei:DocumentType", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "span", "p", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "C_0cfc6e8b-9777-4fb6-9a26-896432a83a03", "name": "dei:DocumentType", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "span", "p", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true, "unique": true } }, "R2": { "role": "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedBalanceSheets", "longName": "100010 - Statement - Consolidated Balance Sheets", "shortName": "Consolidated Balance Sheets", "isDefault": "false", "groupType": "statement", "subGroupType": "", "menuCat": "Statements", "order": "2", "firstAnchor": { "contextRef": "C_58733e0d-1091-473e-88d0-0793fdd5cfbe", "name": "us-gaap:CashAndDueFromBanks", "unitRef": "U_USD", "xsiNil": "false", "lang": null, "decimals": "-3", "ancestors": [ "span", "p", "td", "tr", "table", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true }, "uniqueAnchor": { "contextRef": "C_58733e0d-1091-473e-88d0-0793fdd5cfbe", "name": "us-gaap:FederalFundsSold", "unitRef": "U_USD", "xsiNil": "false", "lang": null, "decimals": "-3", "ancestors": [ "span", "p", "td", "tr", "table", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "unique": true } }, "R3": { "role": "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedBalanceSheetsParenthetical", "longName": "100040 - Statement - Consolidated Balance Sheets (Parenthetical)", "shortName": "Consolidated Balance Sheets (Parenthetical)", "isDefault": "false", "groupType": "statement", "subGroupType": "parenthetical", "menuCat": "Statements", "order": "3", "firstAnchor": { "contextRef": "C_58733e0d-1091-473e-88d0-0793fdd5cfbe", "name": "us-gaap:DebtSecuritiesAvailableForSaleAmortizedCostAfterAllowanceForCreditLoss", "unitRef": "U_USD", "xsiNil": "false", "lang": null, "decimals": "-3", "ancestors": [ "span", "p", "td", "tr", "table", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true }, "uniqueAnchor": { "contextRef": "C_58733e0d-1091-473e-88d0-0793fdd5cfbe", "name": "us-gaap:PreferredStockParOrStatedValuePerShare", "unitRef": "U_UnitedStatesOfAmericaDollarsShare", "xsiNil": "false", "lang": null, "decimals": "INF", "ancestors": [ "us-gaap:PreferredStockParOrStatedValuePerShare", "span", "p", "td", "tr", "table", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "unique": true } }, "R4": { "role": "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfOperations", "longName": "100060 - Statement - Consolidated Statements of Operations", "shortName": "Consolidated Statements of Operations", "isDefault": "false", "groupType": "statement", "subGroupType": "", "menuCat": "Statements", "order": "4", "firstAnchor": { "contextRef": "C_0cfc6e8b-9777-4fb6-9a26-896432a83a03", "name": "us-gaap:InterestAndFeeIncomeLoansAndLeases", "unitRef": "U_USD", "xsiNil": "false", "lang": null, "decimals": "-3", "ancestors": [ "span", "p", "td", "tr", "table", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true }, "uniqueAnchor": { "contextRef": "C_0cfc6e8b-9777-4fb6-9a26-896432a83a03", "name": "us-gaap:InterestIncomeSecuritiesTaxable", "unitRef": "U_USD", "xsiNil": "false", "lang": null, "decimals": "-3", "ancestors": [ "span", "p", "td", "tr", "table", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "unique": true } }, "R5": { "role": "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/StatementConsolidatedStatementsOfComprehensiveLoss", "longName": "100080 - Statement - Consolidated Statements of Comprehensive Loss", "shortName": "Consolidated Statements of Comprehensive Loss", "isDefault": "false", "groupType": "statement", "subGroupType": "", "menuCat": "Statements", "order": "5", "firstAnchor": { "contextRef": "C_0cfc6e8b-9777-4fb6-9a26-896432a83a03", "name": "us-gaap:NetIncomeLoss", "unitRef": "U_USD", "xsiNil": "false", "lang": null, "decimals": "-3", "ancestors": [ "span", "p", "td", "tr", "table", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true }, "uniqueAnchor": { "contextRef": "C_0cfc6e8b-9777-4fb6-9a26-896432a83a03", "name": "us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax", "unitRef": "U_USD", "xsiNil": "false", "lang": null, "decimals": "-3", "ancestors": [ "span", "p", "td", "tr", "table", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "unique": true } }, "R6": { "role": "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfChangesInStockholdersEquity", "longName": "100090 - Statement - Consolidated Statements of Changes in Stockholders' Equity", "shortName": "Consolidated Statements of Changes in Stockholders' Equity", "isDefault": "false", "groupType": "statement", "subGroupType": "", "menuCat": "Statements", "order": "6", "firstAnchor": { "contextRef": "C_2c21b588-dbc2-4cba-9637-fb994da005d9", "name": "us-gaap:StockholdersEquity", "unitRef": "U_USD", "xsiNil": "false", "lang": null, "decimals": "-3", "ancestors": [ "span", "p", "td", "tr", "table", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true }, "uniqueAnchor": { "contextRef": "C_efe71f26-1f7e-4306-b8be-f77afef8ec99", "name": "us-gaap:StockholdersEquity", "unitRef": "U_USD", "xsiNil": "false", "lang": null, "decimals": "-3", "ancestors": [ "span", "p", "td", "tr", "table", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "unique": true } }, "R7": { "role": "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfChangesInStockholdersEquityParenthetical", "longName": "100100 - Statement - Consolidated Statements of Changes in Stockholders' Equity (Parenthetical)", "shortName": "Consolidated Statements of Changes in Stockholders' Equity (Parenthetical)", "isDefault": "false", "groupType": "statement", "subGroupType": "parenthetical", "menuCat": "Statements", "order": "7", "firstAnchor": { "contextRef": "C_d3118c89-3ab6-4f8b-b19d-16588736d445", "name": "us-gaap:EmployeeStockOwnershipPlanESOPSharesContributedToESOP", "unitRef": "U_shares", "xsiNil": "false", "lang": null, "decimals": "INF", "ancestors": [ "span", "p", "td", "tr", "table", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true }, "uniqueAnchor": { "contextRef": "C_0cfc6e8b-9777-4fb6-9a26-896432a83a03", "name": "bcow:EmployeeStockOwnershipPlanEsopNumberOfCommittedToBeReleasedSharesDuringPeriod", "unitRef": "U_shares", "xsiNil": "false", "lang": null, "decimals": "INF", "ancestors": [ "span", "p", "td", "tr", "table", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "unique": true } }, "R8": { "role": "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfCashFlows", "longName": "100110 - Statement - Consolidated Statements of Cash flows", "shortName": "Consolidated Statements of Cash flows", "isDefault": "false", "groupType": "statement", "subGroupType": "", "menuCat": "Statements", "order": "8", "firstAnchor": { "contextRef": "C_0cfc6e8b-9777-4fb6-9a26-896432a83a03", "name": "us-gaap:ProfitLoss", "unitRef": "U_USD", "xsiNil": "false", "lang": null, "decimals": "-3", "ancestors": [ "span", "p", "td", "tr", "table", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true }, "uniqueAnchor": { "contextRef": "C_0cfc6e8b-9777-4fb6-9a26-896432a83a03", "name": "bcow:NetAmortizationFromInvestmentSecurities", "unitRef": "U_USD", "xsiNil": "false", "lang": null, "decimals": "-3", "ancestors": [ "span", "p", "td", "tr", "table", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "unique": true } }, "R9": { "role": "http://xbrl.sec.gov/ecd/role/PvpDisclosure", "longName": "995410 - Disclosure - Pay vs Performance Disclosure", "shortName": "Pay vs Performance Disclosure", "isDefault": "false", "groupType": "disclosure", "subGroupType": "", "menuCat": "Notes", "order": "9", "firstAnchor": { "contextRef": "C_0cfc6e8b-9777-4fb6-9a26-896432a83a03", "name": "us-gaap:NetIncomeLoss", "unitRef": "U_USD", "xsiNil": "false", "lang": null, "decimals": "-3", "ancestors": [ "span", "p", "td", "tr", "table", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true }, "uniqueAnchor": null }, "R10": { "role": "http://xbrl.sec.gov/ecd/role/InsiderTradingArrangements", "longName": "995445 - Disclosure - Insider Trading Arrangements", "shortName": "Insider Trading Arrangements", "isDefault": "false", "groupType": "disclosure", "subGroupType": "", "menuCat": "Notes", "order": "10", "firstAnchor": { "contextRef": "C_2b51a728-e06c-4d4d-aa97-24ff7cbcf75e", "name": "ecd:Rule10b51ArrAdoptedFlag", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "ecd:NonRule10b51ArrAdoptedFlag", "span", "p", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "C_2b51a728-e06c-4d4d-aa97-24ff7cbcf75e", "name": "ecd:Rule10b51ArrAdoptedFlag", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "ecd:NonRule10b51ArrAdoptedFlag", "span", "p", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true, "unique": true } }, "R11": { "role": "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/SummaryOfSignificantAccountingPolicies", "longName": "995455 - Disclosure - Summary of Significant Accounting Policies", "shortName": "Summary of Significant Accounting Policies", "isDefault": "false", "groupType": "disclosure", "subGroupType": "", "menuCat": "Notes", "order": "11", "firstAnchor": { "contextRef": "C_0cfc6e8b-9777-4fb6-9a26-896432a83a03", "name": "us-gaap:SignificantAccountingPoliciesTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "C_0cfc6e8b-9777-4fb6-9a26-896432a83a03", "name": "us-gaap:SignificantAccountingPoliciesTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true, "unique": true } }, "R12": { "role": "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/CashAndDueFromBanks", "longName": "995465 - Disclosure - Cash and Due from Banks", "shortName": "Cash and Due from Banks", "isDefault": "false", "groupType": "disclosure", "subGroupType": "", "menuCat": "Notes", "order": "12", "firstAnchor": { "contextRef": "C_0cfc6e8b-9777-4fb6-9a26-896432a83a03", "name": "us-gaap:CashAndCashEquivalentsDisclosureTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "C_0cfc6e8b-9777-4fb6-9a26-896432a83a03", "name": "us-gaap:CashAndCashEquivalentsDisclosureTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true, "unique": true } }, "R13": { "role": "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/AvailableForSaleSecurities", "longName": "995475 - Disclosure - Available for Sale Securities", "shortName": "Available for Sale Securities", "isDefault": "false", "groupType": "disclosure", "subGroupType": "", "menuCat": "Notes", "order": "13", "firstAnchor": { "contextRef": "C_0cfc6e8b-9777-4fb6-9a26-896432a83a03", "name": "us-gaap:InvestmentsInDebtAndMarketableEquitySecuritiesAndCertainTradingAssetsDisclosureTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "C_0cfc6e8b-9777-4fb6-9a26-896432a83a03", "name": "us-gaap:InvestmentsInDebtAndMarketableEquitySecuritiesAndCertainTradingAssetsDisclosureTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true, "unique": true } }, "R14": { "role": "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/Loans", "longName": "995485 - Disclosure - Loans", "shortName": "Loans", "isDefault": "false", "groupType": "disclosure", "subGroupType": "", "menuCat": "Notes", "order": "14", "firstAnchor": { "contextRef": "C_0cfc6e8b-9777-4fb6-9a26-896432a83a03", "name": "us-gaap:LoansNotesTradeAndOtherReceivablesDisclosureTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "C_0cfc6e8b-9777-4fb6-9a26-896432a83a03", "name": "us-gaap:LoansNotesTradeAndOtherReceivablesDisclosureTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true, "unique": true } }, "R15": { "role": "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/PremisesAndEquipment", "longName": "995495 - Disclosure - Premises and Equipment", "shortName": "Premises and Equipment", "isDefault": "false", "groupType": "disclosure", "subGroupType": "", "menuCat": "Notes", "order": "15", "firstAnchor": { "contextRef": "C_0cfc6e8b-9777-4fb6-9a26-896432a83a03", "name": "us-gaap:PropertyPlantAndEquipmentDisclosureTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "C_0cfc6e8b-9777-4fb6-9a26-896432a83a03", "name": "us-gaap:PropertyPlantAndEquipmentDisclosureTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true, "unique": true } }, "R16": { "role": "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/MortgageServicingRights", "longName": "995505 - Disclosure - Mortgage Servicing Rights", "shortName": "Mortgage Servicing Rights", "isDefault": "false", "groupType": "disclosure", "subGroupType": "", "menuCat": "Notes", "order": "16", "firstAnchor": { "contextRef": "C_0cfc6e8b-9777-4fb6-9a26-896432a83a03", "name": "us-gaap:TransfersAndServicingOfFinancialAssetsTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "C_0cfc6e8b-9777-4fb6-9a26-896432a83a03", "name": "us-gaap:TransfersAndServicingOfFinancialAssetsTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true, "unique": true } }, "R17": { "role": "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/Deposits", "longName": "995515 - Disclosure - Deposits", "shortName": "Deposits", "isDefault": "false", "groupType": "disclosure", "subGroupType": "", "menuCat": "Notes", "order": "17", "firstAnchor": { "contextRef": "C_0cfc6e8b-9777-4fb6-9a26-896432a83a03", "name": "us-gaap:DepositLiabilitiesDisclosuresTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "C_0cfc6e8b-9777-4fb6-9a26-896432a83a03", "name": "us-gaap:DepositLiabilitiesDisclosuresTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true, "unique": true } }, "R18": { "role": "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/FhlbAdvancesAndOtherBorrowings", "longName": "995525 - Disclosure - FHLB Advances and Other Borrowings", "shortName": "FHLB Advances and Other Borrowings", "isDefault": "false", "groupType": "disclosure", "subGroupType": "", "menuCat": "Notes", "order": "18", "firstAnchor": { "contextRef": "C_0cfc6e8b-9777-4fb6-9a26-896432a83a03", "name": "us-gaap:FederalHomeLoanBankAdvancesTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "C_0cfc6e8b-9777-4fb6-9a26-896432a83a03", "name": "us-gaap:FederalHomeLoanBankAdvancesTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true, "unique": true } }, "R19": { "role": "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/EmployeeBenefitPlans", "longName": "995535 - Disclosure - Employee Benefit Plans", "shortName": "Employee Benefit Plans", "isDefault": "false", "groupType": "disclosure", "subGroupType": "", "menuCat": "Notes", "order": "19", "firstAnchor": { "contextRef": "C_0cfc6e8b-9777-4fb6-9a26-896432a83a03", "name": "us-gaap:PensionAndOtherPostretirementBenefitsDisclosureTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "C_0cfc6e8b-9777-4fb6-9a26-896432a83a03", "name": "us-gaap:PensionAndOtherPostretirementBenefitsDisclosureTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true, "unique": true } }, "R20": { "role": "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/IncomeTaxes", "longName": "995545 - Disclosure - Income Taxes", "shortName": "Income Taxes", "isDefault": "false", "groupType": "disclosure", "subGroupType": "", "menuCat": "Notes", "order": "20", "firstAnchor": { "contextRef": "C_0cfc6e8b-9777-4fb6-9a26-896432a83a03", "name": "us-gaap:IncomeTaxDisclosureTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "C_0cfc6e8b-9777-4fb6-9a26-896432a83a03", "name": "us-gaap:IncomeTaxDisclosureTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true, "unique": true } }, "R21": { "role": "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/CommitmentsAndContingencies", "longName": "995555 - Disclosure - Commitments and Contingencies", "shortName": "Commitments and Contingencies", "isDefault": "false", "groupType": "disclosure", "subGroupType": "", "menuCat": "Notes", "order": "21", "firstAnchor": { "contextRef": "C_0cfc6e8b-9777-4fb6-9a26-896432a83a03", "name": "us-gaap:CommitmentsAndContingenciesDisclosureTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "C_0cfc6e8b-9777-4fb6-9a26-896432a83a03", "name": "us-gaap:CommitmentsAndContingenciesDisclosureTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true, "unique": true } }, "R22": { "role": "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConcentrationOfCreditRisk", "longName": "995565 - Disclosure - Concentration of Credit Risk", "shortName": "Concentration of Credit Risk", "isDefault": "false", "groupType": "disclosure", "subGroupType": "", "menuCat": "Notes", "order": "22", "firstAnchor": { "contextRef": "C_0cfc6e8b-9777-4fb6-9a26-896432a83a03", "name": "us-gaap:ConcentrationRiskDisclosureTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "C_0cfc6e8b-9777-4fb6-9a26-896432a83a03", "name": "us-gaap:ConcentrationRiskDisclosureTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true, "unique": true } }, "R23": { "role": "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/EmployeeStockOwnershipPlan", "longName": "995575 - Disclosure - Employee Stock Ownership Plan", "shortName": "Employee Stock Ownership Plan", "isDefault": "false", "groupType": "disclosure", "subGroupType": "", "menuCat": "Notes", "order": "23", "firstAnchor": { "contextRef": "C_0cfc6e8b-9777-4fb6-9a26-896432a83a03", "name": "us-gaap:DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "C_0cfc6e8b-9777-4fb6-9a26-896432a83a03", "name": "us-gaap:DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true, "unique": true } }, "R24": { "role": "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/RelatedPartyTransactions", "longName": "995585 - Disclosure - Related Party Transactions", "shortName": "Related Party Transactions", "isDefault": "false", "groupType": "disclosure", "subGroupType": "", "menuCat": "Notes", "order": "24", "firstAnchor": { "contextRef": "C_0cfc6e8b-9777-4fb6-9a26-896432a83a03", "name": "us-gaap:RelatedPartyTransactionsDisclosureTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "C_0cfc6e8b-9777-4fb6-9a26-896432a83a03", "name": "us-gaap:RelatedPartyTransactionsDisclosureTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true, "unique": true } }, "R25": { "role": "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/FairValue", "longName": "995595 - Disclosure - Fair Value", "shortName": "Fair Value", "isDefault": "false", "groupType": "disclosure", "subGroupType": "", "menuCat": "Notes", "order": "25", "firstAnchor": { "contextRef": "C_0cfc6e8b-9777-4fb6-9a26-896432a83a03", "name": "us-gaap:FairValueDisclosuresTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "C_0cfc6e8b-9777-4fb6-9a26-896432a83a03", "name": "us-gaap:FairValueDisclosuresTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true, "unique": true } }, "R26": { "role": "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/EquityAndRegulatoryMatters", "longName": "995605 - Disclosure - Equity and Regulatory Matters", "shortName": "Equity and Regulatory Matters", "isDefault": "false", "groupType": "disclosure", "subGroupType": "", "menuCat": "Notes", "order": "26", "firstAnchor": { "contextRef": "C_0cfc6e8b-9777-4fb6-9a26-896432a83a03", "name": "us-gaap:RegulatoryCapitalRequirementsUnderBankingRegulationsTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "C_0cfc6e8b-9777-4fb6-9a26-896432a83a03", "name": "us-gaap:RegulatoryCapitalRequirementsUnderBankingRegulationsTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true, "unique": true } }, "R27": { "role": "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DeferredCompensation", "longName": "995615 - Disclosure - Deferred Compensation", "shortName": "Deferred Compensation", "isDefault": "false", "groupType": "disclosure", "subGroupType": "", "menuCat": "Notes", "order": "27", "firstAnchor": { "contextRef": "C_0cfc6e8b-9777-4fb6-9a26-896432a83a03", "name": "bcow:DisclosureOfDeferredCompensationTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "C_0cfc6e8b-9777-4fb6-9a26-896432a83a03", "name": "bcow:DisclosureOfDeferredCompensationTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true, "unique": true } }, "R28": { "role": "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureEarningsLossPerShareEps1", "longName": "995625 - Disclosure - Earnings (Loss) Per Share (EPS)", "shortName": "Earnings (Loss) Per Share (EPS)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "", "menuCat": "Notes", "order": "28", "firstAnchor": { "contextRef": "C_0cfc6e8b-9777-4fb6-9a26-896432a83a03", "name": "us-gaap:EarningsPerShareTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "C_0cfc6e8b-9777-4fb6-9a26-896432a83a03", "name": "us-gaap:EarningsPerShareTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true, "unique": true } }, "R29": { "role": "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/StockBasedCompensation", "longName": "995635 - Disclosure - Stock Based Compensation", "shortName": "Stock Based Compensation", "isDefault": "false", "groupType": "disclosure", "subGroupType": "", "menuCat": "Notes", "order": "29", "firstAnchor": { "contextRef": "C_0cfc6e8b-9777-4fb6-9a26-896432a83a03", "name": "us-gaap:DisclosureOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "C_0cfc6e8b-9777-4fb6-9a26-896432a83a03", "name": "us-gaap:DisclosureOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true, "unique": true } }, "R30": { "role": "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureParentCompanyOnlyFinancialStatements", "longName": "995645 - Disclosure - Parent Company Only Financial Statements", "shortName": "Parent Company Only Financial Statements", "isDefault": "false", "groupType": "disclosure", "subGroupType": "parenthetical", "menuCat": "Notes", "order": "30", "firstAnchor": { "contextRef": "C_0cfc6e8b-9777-4fb6-9a26-896432a83a03", "name": "us-gaap:CondensedFinancialInformationOfParentCompanyOnlyDisclosureTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "C_0cfc6e8b-9777-4fb6-9a26-896432a83a03", "name": "us-gaap:CondensedFinancialInformationOfParentCompanyOnlyDisclosureTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true, "unique": true } }, "R31": { "role": "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/SummaryOfSignificantAccountingPoliciesPolicies", "longName": "995655 - Disclosure - Summary of Significant Accounting Policies (Policies)", "shortName": "Summary of Significant Accounting Policies (Policies)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "policies", "menuCat": "Policies", "order": "31", "firstAnchor": { "contextRef": "C_0cfc6e8b-9777-4fb6-9a26-896432a83a03", "name": "us-gaap:OrganizationConsolidationBasisOfPresentationBusinessDescriptionAndAccountingPoliciesTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "div", "us-gaap:SignificantAccountingPoliciesTextBlock", "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "C_0cfc6e8b-9777-4fb6-9a26-896432a83a03", "name": "us-gaap:OrganizationConsolidationBasisOfPresentationBusinessDescriptionAndAccountingPoliciesTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "div", "us-gaap:SignificantAccountingPoliciesTextBlock", "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true, "unique": true } }, "R32": { "role": "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/AvailableForSaleSecuritiesTables", "longName": "995665 - Disclosure - Available for Sale Securities (Tables)", "shortName": "Available for Sale Securities (Tables)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "tables", "menuCat": "Tables", "order": "32", "firstAnchor": { "contextRef": "C_0cfc6e8b-9777-4fb6-9a26-896432a83a03", "name": "us-gaap:MarketableSecuritiesTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "div", "us-gaap:InvestmentsInDebtAndMarketableEquitySecuritiesAndCertainTradingAssetsDisclosureTextBlock", "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "C_0cfc6e8b-9777-4fb6-9a26-896432a83a03", "name": "us-gaap:MarketableSecuritiesTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "div", "us-gaap:InvestmentsInDebtAndMarketableEquitySecuritiesAndCertainTradingAssetsDisclosureTextBlock", "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true, "unique": true } }, "R33": { "role": "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/LoansTables", "longName": "995675 - Disclosure - Loans (Tables)", "shortName": "Loans (Tables)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "tables", "menuCat": "Tables", "order": "33", "firstAnchor": { "contextRef": "C_0cfc6e8b-9777-4fb6-9a26-896432a83a03", "name": "us-gaap:ScheduleOfAccountsNotesLoansAndFinancingReceivableTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "div", "us-gaap:LoansNotesTradeAndOtherReceivablesDisclosureTextBlock", "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "C_0cfc6e8b-9777-4fb6-9a26-896432a83a03", "name": "us-gaap:ScheduleOfAccountsNotesLoansAndFinancingReceivableTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "div", "us-gaap:LoansNotesTradeAndOtherReceivablesDisclosureTextBlock", "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true, "unique": true } }, "R34": { "role": "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/PremisesAndEquipmentTables", "longName": "995685 - Disclosure - Premises and Equipment (Tables)", "shortName": "Premises and Equipment (Tables)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "tables", "menuCat": "Tables", "order": "34", "firstAnchor": { "contextRef": "C_0cfc6e8b-9777-4fb6-9a26-896432a83a03", "name": "us-gaap:PropertyPlantAndEquipmentTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "div", "us-gaap:PropertyPlantAndEquipmentDisclosureTextBlock", "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "C_0cfc6e8b-9777-4fb6-9a26-896432a83a03", "name": "us-gaap:PropertyPlantAndEquipmentTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "div", "us-gaap:PropertyPlantAndEquipmentDisclosureTextBlock", "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true, "unique": true } }, "R35": { "role": "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/MortgageServicingRightsTables", "longName": "995695 - Disclosure - Mortgage Servicing Rights (Tables)", "shortName": "Mortgage Servicing Rights (Tables)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "tables", "menuCat": "Tables", "order": "35", "firstAnchor": { "contextRef": "C_0cfc6e8b-9777-4fb6-9a26-896432a83a03", "name": "us-gaap:ScheduleOfServicingAssetsAtAmortizedValueTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "div", "us-gaap:TransfersAndServicingOfFinancialAssetsTextBlock", "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "C_0cfc6e8b-9777-4fb6-9a26-896432a83a03", "name": "us-gaap:ScheduleOfServicingAssetsAtAmortizedValueTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "div", "us-gaap:TransfersAndServicingOfFinancialAssetsTextBlock", "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true, "unique": true } }, "R36": { "role": "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DepositsTables", "longName": "995705 - Disclosure - Deposits (Tables)", "shortName": "Deposits (Tables)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "tables", "menuCat": "Tables", "order": "36", "firstAnchor": { "contextRef": "C_0cfc6e8b-9777-4fb6-9a26-896432a83a03", "name": "us-gaap:DepositLiabilitiesTypeTableTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "div", "us-gaap:DepositLiabilitiesDisclosuresTextBlock", "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "C_0cfc6e8b-9777-4fb6-9a26-896432a83a03", "name": "us-gaap:DepositLiabilitiesTypeTableTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "div", "us-gaap:DepositLiabilitiesDisclosuresTextBlock", "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true, "unique": true } }, "R37": { "role": "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/FhlbAdvancesAndOtherBorrowingsTables", "longName": "995715 - Disclosure - FHLB Advances and Other Borrowings (Tables)", "shortName": "FHLB Advances and Other Borrowings (Tables)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "tables", "menuCat": "Tables", "order": "37", "firstAnchor": { "contextRef": "C_0cfc6e8b-9777-4fb6-9a26-896432a83a03", "name": "us-gaap:FederalHomeLoanBankAdvancesTableTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "div", "us-gaap:FederalHomeLoanBankAdvancesTextBlock", "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "C_0cfc6e8b-9777-4fb6-9a26-896432a83a03", "name": "us-gaap:FederalHomeLoanBankAdvancesTableTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "div", "us-gaap:FederalHomeLoanBankAdvancesTextBlock", "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true, "unique": true } }, "R38": { "role": "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/IncomeTaxesTables", "longName": "995725 - Disclosure - Income Taxes (Tables)", "shortName": "Income Taxes (Tables)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "tables", "menuCat": "Tables", "order": "38", "firstAnchor": { "contextRef": "C_0cfc6e8b-9777-4fb6-9a26-896432a83a03", "name": "us-gaap:ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "div", "us-gaap:IncomeTaxDisclosureTextBlock", "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "C_0cfc6e8b-9777-4fb6-9a26-896432a83a03", "name": "us-gaap:ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "div", "us-gaap:IncomeTaxDisclosureTextBlock", "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true, "unique": true } }, "R39": { "role": "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/CommitmentsAndContingenciesTables", "longName": "995735 - Disclosure - Commitments and Contingencies (Tables)", "shortName": "Commitments and Contingencies (Tables)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "tables", "menuCat": "Tables", "order": "39", "firstAnchor": { "contextRef": "C_0cfc6e8b-9777-4fb6-9a26-896432a83a03", "name": "us-gaap:ScheduleOfFairValueOffBalanceSheetRisksTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "div", "us-gaap:CommitmentsAndContingenciesDisclosureTextBlock", "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "C_0cfc6e8b-9777-4fb6-9a26-896432a83a03", "name": "us-gaap:ScheduleOfFairValueOffBalanceSheetRisksTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "div", "us-gaap:CommitmentsAndContingenciesDisclosureTextBlock", "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true, "unique": true } }, "R40": { "role": "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/EmployeeStockOwnershipPlanTable", "longName": "995745 - Disclosure - Employee Stock Ownership Plan (Table)", "shortName": "Employee Stock Ownership Plan (Table)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "tables", "menuCat": "Tables", "order": "40", "firstAnchor": { "contextRef": "C_0cfc6e8b-9777-4fb6-9a26-896432a83a03", "name": "us-gaap:ScheduleOfEmployeeStockOwnershipPlanESOPDisclosuresTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "div", "us-gaap:DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock", "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "C_0cfc6e8b-9777-4fb6-9a26-896432a83a03", "name": "us-gaap:ScheduleOfEmployeeStockOwnershipPlanESOPDisclosuresTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "div", "us-gaap:DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock", "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true, "unique": true } }, "R41": { "role": "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/RelatedPartyTransactionsTables", "longName": "995755 - Disclosure - Related Party Transactions (Tables)", "shortName": "Related Party Transactions (Tables)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "tables", "menuCat": "Tables", "order": "41", "firstAnchor": { "contextRef": "C_0cfc6e8b-9777-4fb6-9a26-896432a83a03", "name": "us-gaap:ScheduleOfRelatedPartyTransactionsTableTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "div", "us-gaap:RelatedPartyTransactionsDisclosureTextBlock", "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "C_0cfc6e8b-9777-4fb6-9a26-896432a83a03", "name": "us-gaap:ScheduleOfRelatedPartyTransactionsTableTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "div", "us-gaap:RelatedPartyTransactionsDisclosureTextBlock", "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true, "unique": true } }, "R42": { "role": "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/FairValueTables", "longName": "995765 - Disclosure - Fair Value (Tables)", "shortName": "Fair Value (Tables)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "tables", "menuCat": "Tables", "order": "42", "firstAnchor": { "contextRef": "C_0cfc6e8b-9777-4fb6-9a26-896432a83a03", "name": "us-gaap:FairValueAssetsMeasuredOnRecurringBasisTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "div", "us-gaap:FairValueDisclosuresTextBlock", "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "C_0cfc6e8b-9777-4fb6-9a26-896432a83a03", "name": "us-gaap:FairValueAssetsMeasuredOnRecurringBasisTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "div", "us-gaap:FairValueDisclosuresTextBlock", "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true, "unique": true } }, "R43": { "role": "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/EquityAndRegulatoryMattersTables", "longName": "995775 - Disclosure - Equity and Regulatory Matters (Tables)", "shortName": "Equity and Regulatory Matters (Tables)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "tables", "menuCat": "Tables", "order": "43", "firstAnchor": { "contextRef": "C_0cfc6e8b-9777-4fb6-9a26-896432a83a03", "name": "us-gaap:ScheduleOfComplianceWithRegulatoryCapitalRequirementsUnderBankingRegulationsTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "div", "us-gaap:RegulatoryCapitalRequirementsUnderBankingRegulationsTextBlock", "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "C_0cfc6e8b-9777-4fb6-9a26-896432a83a03", "name": "us-gaap:ScheduleOfComplianceWithRegulatoryCapitalRequirementsUnderBankingRegulationsTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "div", "us-gaap:RegulatoryCapitalRequirementsUnderBankingRegulationsTextBlock", "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true, "unique": true } }, "R44": { "role": "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureEarningsLossPerShareEpsTables", "longName": "995785 - Disclosure - Earnings (Loss) Per Share (EPS) (Tables)", "shortName": "Earnings (Loss) Per Share (EPS) (Tables)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "tables", "menuCat": "Tables", "order": "44", "firstAnchor": { "contextRef": "C_0cfc6e8b-9777-4fb6-9a26-896432a83a03", "name": "us-gaap:ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "div", "us-gaap:EarningsPerShareTextBlock", "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "C_0cfc6e8b-9777-4fb6-9a26-896432a83a03", "name": "us-gaap:ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "div", "us-gaap:EarningsPerShareTextBlock", "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true, "unique": true } }, "R45": { "role": "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/StockBasedCompensationTables", "longName": "995795 - Disclosure - Stock Based Compensation (Tables)", "shortName": "Stock Based Compensation (Tables)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "tables", "menuCat": "Tables", "order": "45", "firstAnchor": { "contextRef": "C_0cfc6e8b-9777-4fb6-9a26-896432a83a03", "name": "us-gaap:ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "span", "p", "us-gaap:DisclosureOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTextBlock", "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "C_0cfc6e8b-9777-4fb6-9a26-896432a83a03", "name": "us-gaap:ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "span", "p", "us-gaap:DisclosureOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTextBlock", "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true, "unique": true } }, "R46": { "role": "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureParentCompanyOnlyFinancialStatementsTables", "longName": "995805 - Disclosure - Parent Company Only Financial Statements (Tables)", "shortName": "Parent Company Only Financial Statements (Tables)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "parenthetical", "menuCat": "Tables", "order": "46", "firstAnchor": { "contextRef": "C_0cfc6e8b-9777-4fb6-9a26-896432a83a03", "name": "srt:ScheduleOfCondensedFinancialStatementsTableTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "div", "us-gaap:CondensedFinancialInformationOfParentCompanyOnlyDisclosureTextBlock", "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "C_0cfc6e8b-9777-4fb6-9a26-896432a83a03", "name": "srt:ScheduleOfCondensedFinancialStatementsTableTextBlock", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "div", "us-gaap:CondensedFinancialInformationOfParentCompanyOnlyDisclosureTextBlock", "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true, "unique": true } }, "R47": { "role": "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/SummaryOfSignificantAccountingPoliciesAdditionalInformationDetail", "longName": "995815 - Disclosure - Summary of Significant Accounting Policies - Additional Information (Detail)", "shortName": "Summary of Significant Accounting Policies - Additional Information (Detail)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "47", "firstAnchor": { "contextRef": "C_58733e0d-1091-473e-88d0-0793fdd5cfbe", "name": "us-gaap:ForeclosedAssets", "unitRef": "U_USD", "xsiNil": "false", "lang": null, "decimals": "INF", "ancestors": [ "span", "p", "bcow:ForeClosedAssetsPolicyTextBlock", "div", "us-gaap:SignificantAccountingPoliciesTextBlock", "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "C_58733e0d-1091-473e-88d0-0793fdd5cfbe", "name": "us-gaap:ForeclosedAssets", "unitRef": "U_USD", "xsiNil": "false", "lang": null, "decimals": "INF", "ancestors": [ "span", "p", "bcow:ForeClosedAssetsPolicyTextBlock", "div", "us-gaap:SignificantAccountingPoliciesTextBlock", "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true, "unique": true } }, "R48": { "role": "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/CashAndDueFromBanksAdditionalInformationDetail", "longName": "995825 - Disclosure - Cash and Due from Banks - Additional Information (Detail)", "shortName": "Cash and Due from Banks - Additional Information (Detail)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "48", "firstAnchor": { "contextRef": "C_58733e0d-1091-473e-88d0-0793fdd5cfbe", "name": "us-gaap:CashFDICInsuredAmount", "unitRef": "U_USD", "xsiNil": "false", "lang": null, "decimals": "0", "ancestors": [ "span", "p", "us-gaap:CashAndCashEquivalentsDisclosureTextBlock", "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true }, "uniqueAnchor": { "contextRef": "C_96d0c8c6-5896-45b6-9cbe-277e625b2bc0", "name": "bcow:CashReserveRequirementPercentage", "unitRef": "U_pure", "xsiNil": "false", "lang": null, "decimals": "0", "ancestors": [ "span", "p", "us-gaap:CashAndCashEquivalentsDisclosureTextBlock", "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "unique": true } }, "R49": { "role": "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/AvailableForSaleSecuritiesSummaryOfAmortizedCostsAndFairValueOfSecuritiesAvailableForSaleDetail", "longName": "995845 - Disclosure - Available for Sale Securities - Summary of Amortized Costs and Fair Value of Securities Available-for-sale (Detail)", "shortName": "Available for Sale Securities - Summary of Amortized Costs and Fair Value of Securities Available-for-sale (Detail)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "49", "firstAnchor": { "contextRef": "C_58733e0d-1091-473e-88d0-0793fdd5cfbe", "name": "us-gaap:DebtSecuritiesAvailableForSaleAmortizedCostAfterAllowanceForCreditLoss", "unitRef": "U_USD", "xsiNil": "false", "lang": null, "decimals": "-3", "ancestors": [ "span", "p", "td", "tr", "table", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true }, "uniqueAnchor": { "contextRef": "C_58733e0d-1091-473e-88d0-0793fdd5cfbe", "name": "us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax", "unitRef": "U_USD", "xsiNil": "false", "lang": null, "decimals": "-3", "ancestors": [ "span", "p", "td", "tr", "table", "us-gaap:MarketableSecuritiesTextBlock", "div", "us-gaap:InvestmentsInDebtAndMarketableEquitySecuritiesAndCertainTradingAssetsDisclosureTextBlock", "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "unique": true } }, "R50": { "role": "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/AvailableForSaleSecuritiesSummaryOfGrossUnrealizedLossesOnSecuritiesAvailableForSaleAndFairValuesDetail", "longName": "995855 - Disclosure - Available for Sale Securities - Summary of Gross Unrealized Losses on Securities Available-for-sale and Fair Values (Detail)", "shortName": "Available for Sale Securities - Summary of Gross Unrealized Losses on Securities Available-for-sale and Fair Values (Detail)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "50", "firstAnchor": { "contextRef": "C_58733e0d-1091-473e-88d0-0793fdd5cfbe", "name": "us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months", "unitRef": "U_USD", "xsiNil": "false", "lang": null, "decimals": "-3", "ancestors": [ "span", "p", "td", "tr", "table", "us-gaap:DebtSecuritiesAvailableForSaleUnrealizedLossPositionFairValueTableTextBlock", "div", "us-gaap:InvestmentsInDebtAndMarketableEquitySecuritiesAndCertainTradingAssetsDisclosureTextBlock", "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "C_58733e0d-1091-473e-88d0-0793fdd5cfbe", "name": "us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months", "unitRef": "U_USD", "xsiNil": "false", "lang": null, "decimals": "-3", "ancestors": [ "span", "p", "td", "tr", "table", "us-gaap:DebtSecuritiesAvailableForSaleUnrealizedLossPositionFairValueTableTextBlock", "div", "us-gaap:InvestmentsInDebtAndMarketableEquitySecuritiesAndCertainTradingAssetsDisclosureTextBlock", "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true, "unique": true } }, "R51": { "role": "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/AvailableForSaleSecuritiesSummaryOfAmortizedCostsAndFairValuesOfSecuritiesAvailableForSaleByContractualMaturityDetail", "longName": "995865 - Disclosure - Available for Sale Securities - Summary of Amortized Costs and Fair Values of Securities Available-for-sale, by Contractual Maturity (Detail)", "shortName": "Available for Sale Securities - Summary of Amortized Costs and Fair Values of Securities Available-for-sale, by Contractual Maturity (Detail)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "51", "firstAnchor": { "contextRef": "C_58733e0d-1091-473e-88d0-0793fdd5cfbe", "name": "us-gaap:AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue", "unitRef": "U_USD", "xsiNil": "false", "lang": null, "decimals": "-3", "ancestors": [ "span", "p", "td", "tr", "table", "us-gaap:InvestmentsClassifiedByContractualMaturityDateTableTextBlock", "div", "us-gaap:InvestmentsInDebtAndMarketableEquitySecuritiesAndCertainTradingAssetsDisclosureTextBlock", "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "C_58733e0d-1091-473e-88d0-0793fdd5cfbe", "name": "us-gaap:AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue", "unitRef": "U_USD", "xsiNil": "false", "lang": null, "decimals": "-3", "ancestors": [ "span", "p", "td", "tr", "table", "us-gaap:InvestmentsClassifiedByContractualMaturityDateTableTextBlock", "div", "us-gaap:InvestmentsInDebtAndMarketableEquitySecuritiesAndCertainTradingAssetsDisclosureTextBlock", "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true, "unique": true } }, "R52": { "role": "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/AvailableForSaleSecuritiesAdditionalInformationDetail", "longName": "995875 - Disclosure - Available for Sale Securities - Additional Information (Detail)", "shortName": "Available for Sale Securities - Additional Information (Detail)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "52", "firstAnchor": { "contextRef": "C_58733e0d-1091-473e-88d0-0793fdd5cfbe", "name": "us-gaap:DepositLiabilitiesCollateralIssuedFinancialInstruments", "unitRef": "U_USD", "xsiNil": "false", "lang": null, "decimals": "-3", "ancestors": [ "span", "p", "us-gaap:InvestmentsInDebtAndMarketableEquitySecuritiesAndCertainTradingAssetsDisclosureTextBlock", "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "C_58733e0d-1091-473e-88d0-0793fdd5cfbe", "name": "us-gaap:DepositLiabilitiesCollateralIssuedFinancialInstruments", "unitRef": "U_USD", "xsiNil": "false", "lang": null, "decimals": "-3", "ancestors": [ "span", "p", "us-gaap:InvestmentsInDebtAndMarketableEquitySecuritiesAndCertainTradingAssetsDisclosureTextBlock", "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true, "unique": true } }, "R53": { "role": "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/AvailableForSaleSecuritiesSummaryOfProceedsFromSalesOfSecuritiesAvailableForSaleAsWellAsGrossGainsAndLossesDetail", "longName": "995885 - Disclosure - Available for Sale Securities - Summary of Proceeds from Sales of Securities Available-for-sale, as well as Gross Gains and Losses (Detail)", "shortName": "Available for Sale Securities - Summary of Proceeds from Sales of Securities Available-for-sale, as well as Gross Gains and Losses (Detail)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "53", "firstAnchor": { "contextRef": "C_0cfc6e8b-9777-4fb6-9a26-896432a83a03", "name": "us-gaap:ProceedsFromSaleOfAvailableForSaleSecuritiesDebt", "unitRef": "U_USD", "xsiNil": "false", "lang": null, "decimals": "-3", "ancestors": [ "span", "p", "td", "tr", "table", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true }, "uniqueAnchor": { "contextRef": "C_0cfc6e8b-9777-4fb6-9a26-896432a83a03", "name": "us-gaap:DebtSecuritiesAvailableForSaleRealizedGain", "unitRef": "U_USD", "xsiNil": "false", "lang": null, "decimals": "-3", "ancestors": [ "span", "p", "td", "tr", "table", "ix:continuation", "div", "us-gaap:InvestmentsInDebtAndMarketableEquitySecuritiesAndCertainTradingAssetsDisclosureTextBlock", "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "unique": true } }, "R54": { "role": "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureAvailableForSaleSecuritiesSummaryOfNumberOfDebtSecuritiesInAnUnrealizedLossPositionAndTheAggregateDepreciationDetails", "longName": "995895 - Disclosure - Available for Sale Securities - Summary of Number of Debt Securities in an Unrealized Loss Position and the Aggregate Depreciation (Details)", "shortName": "Available for Sale Securities - Summary of Number of Debt Securities in an Unrealized Loss Position and the Aggregate Depreciation (Details)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "54", "firstAnchor": { "contextRef": "C_58733e0d-1091-473e-88d0-0793fdd5cfbe", "name": "us-gaap:DebtSecuritiesAvailableForSaleUnrealizedLossPositionNumberOfPositions", "unitRef": "U_Security", "xsiNil": "false", "lang": null, "decimals": "INF", "ancestors": [ "span", "p", "td", "tr", "table", "bcow:DebtSecuritiesAvailableForSaleUnrealizedLossPositionAndAggregateDepreciationTableTextBlock", "div", "us-gaap:InvestmentsInDebtAndMarketableEquitySecuritiesAndCertainTradingAssetsDisclosureTextBlock", "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "C_58733e0d-1091-473e-88d0-0793fdd5cfbe", "name": "us-gaap:DebtSecuritiesAvailableForSaleUnrealizedLossPositionNumberOfPositions", "unitRef": "U_Security", "xsiNil": "false", "lang": null, "decimals": "INF", "ancestors": [ "span", "p", "td", "tr", "table", "bcow:DebtSecuritiesAvailableForSaleUnrealizedLossPositionAndAggregateDepreciationTableTextBlock", "div", "us-gaap:InvestmentsInDebtAndMarketableEquitySecuritiesAndCertainTradingAssetsDisclosureTextBlock", "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true, "unique": true } }, "R55": { "role": "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/LoansSummaryOfMajorClassificationsOfLoansDetail", "longName": "995905 - Disclosure - Loans - Summary of Major Classifications of Loans (Detail)", "shortName": "Loans - Summary of Major Classifications of Loans (Detail)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "55", "firstAnchor": { "contextRef": "C_58733e0d-1091-473e-88d0-0793fdd5cfbe", "name": "us-gaap:LoansAndLeasesReceivableGrossCarryingAmount", "unitRef": "U_USD", "xsiNil": "false", "lang": null, "decimals": "-3", "ancestors": [ "span", "p", "td", "tr", "table", "us-gaap:ScheduleOfAccountsNotesLoansAndFinancingReceivableTextBlock", "div", "us-gaap:LoansNotesTradeAndOtherReceivablesDisclosureTextBlock", "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true }, "uniqueAnchor": { "contextRef": "C_58733e0d-1091-473e-88d0-0793fdd5cfbe", "name": "us-gaap:UnamortizedLoanCommitmentAndOriginationFeesAndUnamortizedDiscountsOrPremiums", "unitRef": "U_USD", "xsiNil": "false", "lang": null, "decimals": "-3", "ancestors": [ "span", "p", "td", "tr", "table", "us-gaap:ScheduleOfAccountsNotesLoansAndFinancingReceivableTextBlock", "div", "us-gaap:LoansNotesTradeAndOtherReceivablesDisclosureTextBlock", "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "unique": true } }, "R56": { "role": "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/LoansAdditionalInformationDetail", "longName": "995915 - Disclosure - Loans - Additional Information (Detail)", "shortName": "Loans - Additional Information (Detail)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "56", "firstAnchor": { "contextRef": "C_58733e0d-1091-473e-88d0-0793fdd5cfbe", "name": "us-gaap:LoansAndLeasesReceivableGrossCarryingAmount", "unitRef": "U_USD", "xsiNil": "false", "lang": null, "decimals": "-3", "ancestors": [ "span", "p", "td", "tr", "table", "us-gaap:ScheduleOfAccountsNotesLoansAndFinancingReceivableTextBlock", "div", "us-gaap:LoansNotesTradeAndOtherReceivablesDisclosureTextBlock", "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true }, "uniqueAnchor": { "contextRef": "C_d3118c89-3ab6-4f8b-b19d-16588736d445", "name": "us-gaap:FinancingReceivableModificationsPostModificationRecordedInvestment2", "unitRef": "U_USD", "xsiNil": "false", "lang": null, "decimals": "-3", "ancestors": [ "span", "p", "us-gaap:LoansNotesTradeAndOtherReceivablesDisclosureTextBlock", "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "unique": true } }, "R57": { "role": "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureLoansSummaryOfActivityInAllowanceForLoanAndLeaseLossesDetail", "longName": "995925 - Disclosure - Loans - Summary of Activity in Allowance for Loan and Lease Losses (Detail)", "shortName": "Loans - Summary of Activity in Allowance for Loan and Lease Losses (Detail)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "57", "firstAnchor": { "contextRef": "C_2422bf70-69c2-4886-b058-3935814ad545", "name": "us-gaap:LoansAndLeasesReceivableAllowance", "unitRef": "U_USD", "xsiNil": "false", "lang": null, "decimals": "-3", "ancestors": [ "span", "p", "td", "tr", "table", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true }, "uniqueAnchor": { "contextRef": "C_0cfc6e8b-9777-4fb6-9a26-896432a83a03", "name": "bcow:CeclAdoptionAdjustment", "unitRef": "U_USD", "xsiNil": "false", "lang": null, "decimals": "-3", "ancestors": [ "span", "p", "td", "tr", "table", "us-gaap:AllowanceForCreditLossesOnFinancingReceivablesTableTextBlock", "div", "us-gaap:LoansNotesTradeAndOtherReceivablesDisclosureTextBlock", "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "unique": true } }, "R58": { "role": "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureLoansScheduleOfComponentsOfProvisionForCreditLossesDetail", "longName": "995935 - Disclosure - Loans - Schedule of Components of Provision For Credit Losses (Detail)", "shortName": "Loans - Schedule of Components of Provision For Credit Losses (Detail)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "58", "firstAnchor": { "contextRef": "C_0cfc6e8b-9777-4fb6-9a26-896432a83a03", "name": "us-gaap:ProvisionForLoanAndLeaseLosses", "unitRef": "U_USD", "xsiNil": "false", "lang": null, "decimals": "-3", "ancestors": [ "span", "p", "td", "tr", "table", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true }, "uniqueAnchor": null }, "R59": { "role": "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/LoansSummaryOfAllowanceForLoanAndLeaseLossesForLoansEvaluatedIndividuallyAndCollectivelyForImpairmentDetail", "longName": "995945 - Disclosure - Loans - Summary of Allowance for Loan and Lease Losses for Loans Evaluated Individually and Collectively for Impairment (Detail)", "shortName": "Loans - Summary of Allowance for Loan and Lease Losses for Loans Evaluated Individually and Collectively for Impairment (Detail)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "59", "firstAnchor": { "contextRef": "C_2422bf70-69c2-4886-b058-3935814ad545", "name": "us-gaap:FinancingReceivableIndividuallyEvaluatedForImpairment", "unitRef": "U_USD", "xsiNil": "false", "lang": null, "decimals": "-3", "ancestors": [ "span", "p", "td", "tr", "table", "bcow:ScheduleOfLoansClassIndividuallyAndCollectivelyEvaluatedForImpairmentTableTextBlock", "div", "us-gaap:LoansNotesTradeAndOtherReceivablesDisclosureTextBlock", "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true }, "uniqueAnchor": null }, "R60": { "role": "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureLoansSummaryOfAmortizedCostBasisOfLoansByCreditQualityIndicatorAndOriginationYearDetails", "longName": "995955 - Disclosure - Loans - Summary of Amortized Cost Basis of Loans By Credit Quality Indicator and Origination Year (Details)", "shortName": "Loans - Summary of Amortized Cost Basis of Loans By Credit Quality Indicator and Origination Year (Details)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "60", "firstAnchor": { "contextRef": "C_58733e0d-1091-473e-88d0-0793fdd5cfbe", "name": "us-gaap:FinancingReceivableOriginatedInCurrentFiscalYear", "unitRef": "U_USD", "xsiNil": "false", "lang": null, "decimals": "-3", "ancestors": [ "span", "p", "td", "tr", "table", "bcow:SummaryOfAmortizedCostBasisOfLoansByCreditQualityIndicatorAndOriginationYearTableTextBlock", "div", "us-gaap:LoansNotesTradeAndOtherReceivablesDisclosureTextBlock", "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true }, "uniqueAnchor": { "contextRef": "C_58733e0d-1091-473e-88d0-0793fdd5cfbe", "name": "us-gaap:FinancingReceivableOriginatedFourYearsBeforeLatestFiscalYear", "unitRef": "U_USD", "xsiNil": "false", "lang": null, "decimals": "-3", "ancestors": [ "span", "p", "td", "tr", "table", "bcow:SummaryOfAmortizedCostBasisOfLoansByCreditQualityIndicatorAndOriginationYearTableTextBlock", "div", "us-gaap:LoansNotesTradeAndOtherReceivablesDisclosureTextBlock", "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "unique": true } }, "R61": { "role": "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/LoansSummaryOfInformationRegardingImpairedLoansDetail", "longName": "995965 - Disclosure - Loans - Summary of Information Regarding Impaired Loans (Detail)", "shortName": "Loans - Summary of Information Regarding Impaired Loans (Detail)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "61", "firstAnchor": { "contextRef": "C_2422bf70-69c2-4886-b058-3935814ad545", "name": "us-gaap:ImpairedFinancingReceivableRecordedInvestment", "unitRef": "U_USD", "xsiNil": "false", "lang": null, "decimals": "-3", "ancestors": [ "span", "p", "td", "tr", "table", "us-gaap:ImpairedFinancingReceivablesTableTextBlock", "div", "us-gaap:LoansNotesTradeAndOtherReceivablesDisclosureTextBlock", "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true }, "uniqueAnchor": null }, "R62": { "role": "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/LoansSummaryOfInternalRiskRatingsOfLoansDetail", "longName": "995975 - Disclosure - Loans - Summary of Internal Risk Ratings of Loans (Detail)", "shortName": "Loans - Summary of Internal Risk Ratings of Loans (Detail)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "62", "firstAnchor": { "contextRef": "C_58733e0d-1091-473e-88d0-0793fdd5cfbe", "name": "us-gaap:LoansAndLeasesReceivableGrossCarryingAmount", "unitRef": "U_USD", "xsiNil": "false", "lang": null, "decimals": "-3", "ancestors": [ "span", "p", "td", "tr", "table", "us-gaap:ScheduleOfAccountsNotesLoansAndFinancingReceivableTextBlock", "div", "us-gaap:LoansNotesTradeAndOtherReceivablesDisclosureTextBlock", "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true }, "uniqueAnchor": { "contextRef": "C_f3afec35-a89a-45ce-889c-87d84fe43d5a", "name": "us-gaap:LoansAndLeasesReceivableGrossCarryingAmount", "unitRef": "U_USD", "xsiNil": "false", "lang": null, "decimals": "-3", "ancestors": [ "span", "p", "td", "tr", "table", "bcow:SummaryOfInternalRiskRatingOfLoansTableTextBlock", "div", "us-gaap:LoansNotesTradeAndOtherReceivablesDisclosureTextBlock", "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "unique": true } }, "R63": { "role": "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/LoansSummaryOfInformationRegardingTheCreditQualityIndicatorsForResidentialRealEstateAndConsumerLoansDetail", "longName": "995985 - Disclosure - Loans - Summary of Information Regarding the Credit Quality Indicators for Residential Real Estate and Consumer Loans (Detail)", "shortName": "Loans - Summary of Information Regarding the Credit Quality Indicators for Residential Real Estate and Consumer Loans (Detail)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "63", "firstAnchor": { "contextRef": "C_58733e0d-1091-473e-88d0-0793fdd5cfbe", "name": "us-gaap:LoansAndLeasesReceivableGrossCarryingAmount", "unitRef": "U_USD", "xsiNil": "false", "lang": null, "decimals": "-3", "ancestors": [ "span", "p", "td", "tr", "table", "us-gaap:ScheduleOfAccountsNotesLoansAndFinancingReceivableTextBlock", "div", "us-gaap:LoansNotesTradeAndOtherReceivablesDisclosureTextBlock", "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true }, "uniqueAnchor": { "contextRef": "C_e2fb98c4-e630-4ecd-9e66-09df3b06aab4", "name": "us-gaap:LoansAndLeasesReceivableGrossCarryingAmount", "unitRef": "U_USD", "xsiNil": "false", "lang": null, "decimals": "-3", "ancestors": [ "span", "p", "td", "tr", "table", "us-gaap:FinancingReceivableCreditQualityIndicatorsTableTextBlock", "div", "us-gaap:LoansNotesTradeAndOtherReceivablesDisclosureTextBlock", "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "unique": true } }, "R64": { "role": "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureLoansSummaryOfGrossChargeoffsOfLoansForPortfolioClassByOriginationYearDetails", "longName": "995995 - Disclosure - Loans - Summary of Gross Charge-offs of Loans for Portfolio Class By Origination Year (Details)", "shortName": "Loans - Summary of Gross Charge-offs of Loans for Portfolio Class By Origination Year (Details)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "64", "firstAnchor": { "contextRef": "C_58733e0d-1091-473e-88d0-0793fdd5cfbe", "name": "us-gaap:FinancingReceivableOriginatedInCurrentFiscalYear", "unitRef": "U_USD", "xsiNil": "false", "lang": null, "decimals": "-3", "ancestors": [ "span", "p", "td", "tr", "table", "bcow:SummaryOfAmortizedCostBasisOfLoansByCreditQualityIndicatorAndOriginationYearTableTextBlock", "div", "us-gaap:LoansNotesTradeAndOtherReceivablesDisclosureTextBlock", "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true }, "uniqueAnchor": { "contextRef": "C_2f30d151-c804-4dfd-b722-0355c93ffa35", "name": "us-gaap:FinancingReceivableOriginatedInCurrentFiscalYear", "unitRef": "U_USD", "xsiNil": "false", "lang": null, "decimals": "-3", "ancestors": [ "span", "p", "td", "tr", "table", "bcow:SummaryOfGrossChargeOffsOfLoansForPortfolioClassByOriginationYearTableTextBlock", "div", "us-gaap:LoansNotesTradeAndOtherReceivablesDisclosureTextBlock", "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "unique": true } }, "R65": { "role": "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/LoansScheduleOfAnalysisOfPastDueLoansDetail", "longName": "996005 - Disclosure - Loans - Schedule of Analysis of Past due Loans (Detail)", "shortName": "Loans - Schedule of Analysis of Past due Loans (Detail)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "65", "firstAnchor": { "contextRef": "C_58733e0d-1091-473e-88d0-0793fdd5cfbe", "name": "us-gaap:NotesReceivableGross", "unitRef": "U_USD", "xsiNil": "false", "lang": null, "decimals": "-3", "ancestors": [ "span", "p", "td", "tr", "table", "us-gaap:PastDueFinancingReceivablesTableTextBlock", "div", "us-gaap:LoansNotesTradeAndOtherReceivablesDisclosureTextBlock", "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "C_58733e0d-1091-473e-88d0-0793fdd5cfbe", "name": "us-gaap:NotesReceivableGross", "unitRef": "U_USD", "xsiNil": "false", "lang": null, "decimals": "-3", "ancestors": [ "span", "p", "td", "tr", "table", "us-gaap:PastDueFinancingReceivablesTableTextBlock", "div", "us-gaap:LoansNotesTradeAndOtherReceivablesDisclosureTextBlock", "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true, "unique": true } }, "R66": { "role": "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureLoansSummaryOfInformationOnNonaccrualLoansDetail", "longName": "996015 - Disclosure - Loans - Summary of Information on Non-accrual Loans (Detail)", "shortName": "Loans - Summary of Information on Non-accrual Loans (Detail)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "66", "firstAnchor": { "contextRef": "C_58733e0d-1091-473e-88d0-0793fdd5cfbe", "name": "us-gaap:FinancingReceivableRecordedInvestmentNonaccrualStatus", "unitRef": "U_USD", "xsiNil": "false", "lang": null, "decimals": "-3", "ancestors": [ "span", "p", "td", "tr", "table", "us-gaap:TroubledDebtRestructuringsOnFinancingReceivablesTableTextBlock", "div", "us-gaap:LoansNotesTradeAndOtherReceivablesDisclosureTextBlock", "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true }, "uniqueAnchor": { "contextRef": "C_58733e0d-1091-473e-88d0-0793fdd5cfbe", "name": "us-gaap:LoansAndLeasesReceivableRatioOfNonperformingLoansToAllLoans", "unitRef": "U_pure", "xsiNil": "false", "lang": null, "decimals": "4", "ancestors": [ "span", "p", "td", "tr", "table", "us-gaap:TroubledDebtRestructuringsOnFinancingReceivablesTableTextBlock", "div", "us-gaap:LoansNotesTradeAndOtherReceivablesDisclosureTextBlock", "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "unique": true } }, "R67": { "role": "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureLoansSummaryOfCollateralDependentLoansAndRelatedAclDetails", "longName": "996025 - Disclosure - Loans - Summary of Collateral Dependent Loans and Related ACL (Details)", "shortName": "Loans - Summary of Collateral Dependent Loans and Related ACL (Details)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "67", "firstAnchor": { "contextRef": "C_58733e0d-1091-473e-88d0-0793fdd5cfbe", "name": "bcow:CollateralDependentLoans", "unitRef": "U_USD", "xsiNil": "false", "lang": null, "decimals": "-3", "ancestors": [ "span", "p", "td", "tr", "table", "bcow:ScheduleOfCollateralDependentLoansTableTextBlock", "div", "us-gaap:LoansNotesTradeAndOtherReceivablesDisclosureTextBlock", "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "C_58733e0d-1091-473e-88d0-0793fdd5cfbe", "name": "bcow:CollateralDependentLoans", "unitRef": "U_USD", "xsiNil": "false", "lang": null, "decimals": "-3", "ancestors": [ "span", "p", "td", "tr", "table", "bcow:ScheduleOfCollateralDependentLoansTableTextBlock", "div", "us-gaap:LoansNotesTradeAndOtherReceivablesDisclosureTextBlock", "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true, "unique": true } }, "R68": { "role": "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureLoansSummaryOfAllowanceForLoanAndLeaseLossesForLoansEvaluatedIndividuallyAndCollectivelyForImpairmentDetails", "longName": "996035 - Disclosure - Loans - Summary of Allowance for Loan and Lease Losses for Loans Evaluated Individually and Collectively for Impairment (Details)", "shortName": "Loans - Summary of Allowance for Loan and Lease Losses for Loans Evaluated Individually and Collectively for Impairment (Details)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "68", "firstAnchor": { "contextRef": "C_2422bf70-69c2-4886-b058-3935814ad545", "name": "us-gaap:FinancingReceivableIndividuallyEvaluatedForImpairment", "unitRef": "U_USD", "xsiNil": "false", "lang": null, "decimals": "-3", "ancestors": [ "span", "p", "td", "tr", "table", "bcow:ScheduleOfLoansClassIndividuallyAndCollectivelyEvaluatedForImpairmentTableTextBlock", "div", "us-gaap:LoansNotesTradeAndOtherReceivablesDisclosureTextBlock", "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true }, "uniqueAnchor": null }, "R69": { "role": "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureLoansSummaryOfInformationRegardingImpairedLoansDetails", "longName": "996045 - Disclosure - Loans - Summary of Information Regarding Impaired Loans (Details)", "shortName": "Loans - Summary of Information Regarding Impaired Loans (Details)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "69", "firstAnchor": { "contextRef": "C_2422bf70-69c2-4886-b058-3935814ad545", "name": "us-gaap:ImpairedFinancingReceivableRecordedInvestment", "unitRef": "U_USD", "xsiNil": "false", "lang": null, "decimals": "-3", "ancestors": [ "span", "p", "td", "tr", "table", "us-gaap:ImpairedFinancingReceivablesTableTextBlock", "div", "us-gaap:LoansNotesTradeAndOtherReceivablesDisclosureTextBlock", "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true }, "uniqueAnchor": null }, "R70": { "role": "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosurePremisesAndEquipmentSummaryOfPremisesAndEquipmentDetail", "longName": "996055 - Disclosure - Premises and Equipment - Summary of Premises and Equipment (Detail)", "shortName": "Premises and Equipment - Summary of Premises and Equipment (Detail)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "70", "firstAnchor": { "contextRef": "C_58733e0d-1091-473e-88d0-0793fdd5cfbe", "name": "us-gaap:PropertyPlantAndEquipmentGross", "unitRef": "U_USD", "xsiNil": "false", "lang": null, "decimals": "-3", "ancestors": [ "span", "p", "td", "tr", "table", "us-gaap:PropertyPlantAndEquipmentTextBlock", "div", "us-gaap:PropertyPlantAndEquipmentDisclosureTextBlock", "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "C_58733e0d-1091-473e-88d0-0793fdd5cfbe", "name": "us-gaap:PropertyPlantAndEquipmentGross", "unitRef": "U_USD", "xsiNil": "false", "lang": null, "decimals": "-3", "ancestors": [ "span", "p", "td", "tr", "table", "us-gaap:PropertyPlantAndEquipmentTextBlock", "div", "us-gaap:PropertyPlantAndEquipmentDisclosureTextBlock", "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true, "unique": true } }, "R71": { "role": "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosurePremisesAndEquipmentAdditionalInformationDetail", "longName": "996065 - Disclosure - Premises and Equipment - Additional Information (Detail)", "shortName": "Premises and Equipment - Additional Information (Detail)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "71", "firstAnchor": { "contextRef": "C_0cfc6e8b-9777-4fb6-9a26-896432a83a03", "name": "us-gaap:Depreciation", "unitRef": "U_USD", "xsiNil": "false", "lang": null, "decimals": "-3", "ancestors": [ "span", "p", "td", "tr", "table", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true }, "uniqueAnchor": { "contextRef": "C_58733e0d-1091-473e-88d0-0793fdd5cfbe", "name": "us-gaap:LesseeOperatingLeaseRemainingLeaseTerm", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "span", "p", "us-gaap:PropertyPlantAndEquipmentDisclosureTextBlock", "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "unique": true } }, "R72": { "role": "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosurePremisesAndEquipmentSummaryOfNetLeaseCostDetail", "longName": "996075 - Disclosure - Premises and Equipment - Summary of Net Lease Cost (Detail)", "shortName": "Premises and Equipment - Summary of Net Lease Cost (Detail)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "72", "firstAnchor": { "contextRef": "C_0cfc6e8b-9777-4fb6-9a26-896432a83a03", "name": "us-gaap:OperatingLeaseCost", "unitRef": "U_USD", "xsiNil": "false", "lang": null, "decimals": "-3", "ancestors": [ "span", "p", "td", "tr", "table", "us-gaap:LeaseCostTableTextBlock", "div", "us-gaap:PropertyPlantAndEquipmentDisclosureTextBlock", "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "C_0cfc6e8b-9777-4fb6-9a26-896432a83a03", "name": "us-gaap:OperatingLeaseCost", "unitRef": "U_USD", "xsiNil": "false", "lang": null, "decimals": "-3", "ancestors": [ "span", "p", "td", "tr", "table", "us-gaap:LeaseCostTableTextBlock", "div", "us-gaap:PropertyPlantAndEquipmentDisclosureTextBlock", "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true, "unique": true } }, "R73": { "role": "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosurePremisesAndEquipmentSummaryOfMaturityOfRemainingLeaseLiabilitiesDetail3", "longName": "996085 - Disclosure - Premises and Equipment - Summary of Maturity of Remaining Lease Liabilities (Detail)", "shortName": "Premises and Equipment - Summary of Maturity of Remaining Lease Liabilities (Detail)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "73", "firstAnchor": { "contextRef": "C_58733e0d-1091-473e-88d0-0793fdd5cfbe", "name": "us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths", "unitRef": "U_USD", "xsiNil": "false", "lang": null, "decimals": "-3", "ancestors": [ "span", "p", "td", "tr", "table", "us-gaap:LesseeOperatingLeaseLiabilityMaturityTableTextBlock", "div", "us-gaap:PropertyPlantAndEquipmentDisclosureTextBlock", "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "C_58733e0d-1091-473e-88d0-0793fdd5cfbe", "name": "us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths", "unitRef": "U_USD", "xsiNil": "false", "lang": null, "decimals": "-3", "ancestors": [ "span", "p", "td", "tr", "table", "us-gaap:LesseeOperatingLeaseLiabilityMaturityTableTextBlock", "div", "us-gaap:PropertyPlantAndEquipmentDisclosureTextBlock", "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true, "unique": true } }, "R74": { "role": "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/MortgageServicingRightsAdditionalInformationDetail", "longName": "996095 - Disclosure - Mortgage Servicing Rights - Additional Information (Detail)", "shortName": "Mortgage Servicing Rights - Additional Information (Detail)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "74", "firstAnchor": { "contextRef": "C_58733e0d-1091-473e-88d0-0793fdd5cfbe", "name": "bcow:UnpaidPrincipalBalanceOfLoansServicedForOthers", "unitRef": "U_USD", "xsiNil": "false", "lang": null, "decimals": "-5", "ancestors": [ "span", "p", "us-gaap:TransfersAndServicingOfFinancialAssetsTextBlock", "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "C_58733e0d-1091-473e-88d0-0793fdd5cfbe", "name": "bcow:UnpaidPrincipalBalanceOfLoansServicedForOthers", "unitRef": "U_USD", "xsiNil": "false", "lang": null, "decimals": "-5", "ancestors": [ "span", "p", "us-gaap:TransfersAndServicingOfFinancialAssetsTextBlock", "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true, "unique": true } }, "R75": { "role": "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureMortgageServicingRightsSummaryOfChangesInBalanceOfMortgageServicingRightsDetail", "longName": "996105 - Disclosure - Mortgage Servicing Rights - Summary of Changes in Balance of Mortgage Servicing Rights (Detail)", "shortName": "Mortgage Servicing Rights - Summary of Changes in Balance of Mortgage Servicing Rights (Detail)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "75", "firstAnchor": { "contextRef": "C_2422bf70-69c2-4886-b058-3935814ad545", "name": "us-gaap:ServicingAssetAtAmortizedValue", "unitRef": "U_USD", "xsiNil": "false", "lang": null, "decimals": "-3", "ancestors": [ "span", "p", "td", "tr", "table", "us-gaap:ScheduleOfServicingAssetsAtAmortizedValueTextBlock", "div", "us-gaap:TransfersAndServicingOfFinancialAssetsTextBlock", "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true }, "uniqueAnchor": { "contextRef": "C_2c21b588-dbc2-4cba-9637-fb994da005d9", "name": "us-gaap:ServicingAssetAtAmortizedValue", "unitRef": "U_USD", "xsiNil": "false", "lang": null, "decimals": "-3", "ancestors": [ "span", "p", "td", "tr", "table", "us-gaap:ScheduleOfServicingAssetsAtAmortizedValueTextBlock", "div", "us-gaap:TransfersAndServicingOfFinancialAssetsTextBlock", "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "unique": true } }, "R76": { "role": "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/MortgageServicingRightsSummaryOfEstimatedFutureAmortizationExpenseForMortgageServicingRightsDetail", "longName": "996115 - Disclosure - Mortgage Servicing Rights - Summary of Estimated Future Amortization Expense for Mortgage Servicing Rights (Detail)", "shortName": "Mortgage Servicing Rights - Summary of Estimated Future Amortization Expense for Mortgage Servicing Rights (Detail)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "76", "firstAnchor": { "contextRef": "C_58733e0d-1091-473e-88d0-0793fdd5cfbe", "name": "us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths", "unitRef": "U_USD", "xsiNil": "false", "lang": null, "decimals": "-3", "ancestors": [ "span", "p", "td", "tr", "table", "us-gaap:ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseTableTextBlock", "div", "us-gaap:TransfersAndServicingOfFinancialAssetsTextBlock", "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "C_58733e0d-1091-473e-88d0-0793fdd5cfbe", "name": "us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths", "unitRef": "U_USD", "xsiNil": "false", "lang": null, "decimals": "-3", "ancestors": [ "span", "p", "td", "tr", "table", "us-gaap:ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseTableTextBlock", "div", "us-gaap:TransfersAndServicingOfFinancialAssetsTextBlock", "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true, "unique": true } }, "R77": { "role": "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DepositsCompositionOfDepositsDetail", "longName": "996125 - Disclosure - Deposits - Composition of Deposits (Detail)", "shortName": "Deposits - Composition of Deposits (Detail)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "77", "firstAnchor": { "contextRef": "C_58733e0d-1091-473e-88d0-0793fdd5cfbe", "name": "us-gaap:NoninterestBearingDepositLiabilities", "unitRef": "U_USD", "xsiNil": "false", "lang": null, "decimals": "-3", "ancestors": [ "span", "p", "td", "tr", "table", "us-gaap:DepositLiabilitiesTypeTableTextBlock", "div", "us-gaap:DepositLiabilitiesDisclosuresTextBlock", "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "C_58733e0d-1091-473e-88d0-0793fdd5cfbe", "name": "us-gaap:NoninterestBearingDepositLiabilities", "unitRef": "U_USD", "xsiNil": "false", "lang": null, "decimals": "-3", "ancestors": [ "span", "p", "td", "tr", "table", "us-gaap:DepositLiabilitiesTypeTableTextBlock", "div", "us-gaap:DepositLiabilitiesDisclosuresTextBlock", "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true, "unique": true } }, "R78": { "role": "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DepositsCompositionOfDepositsParentheticalDetail", "longName": "996135 - Disclosure - Deposits - Composition of Deposits (Parenthetical) (Detail)", "shortName": "Deposits - Composition of Deposits (Parenthetical) (Detail)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "parenthetical", "menuCat": "Details", "order": "78", "firstAnchor": { "contextRef": "C_58733e0d-1091-473e-88d0-0793fdd5cfbe", "name": "us-gaap:InterestBearingDomesticDepositBrokered", "unitRef": "U_USD", "xsiNil": "false", "lang": null, "decimals": "INF", "ancestors": [ "span", "p", "us-gaap:DepositLiabilitiesTypeTableTextBlock", "div", "us-gaap:DepositLiabilitiesDisclosuresTextBlock", "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "C_58733e0d-1091-473e-88d0-0793fdd5cfbe", "name": "us-gaap:InterestBearingDomesticDepositBrokered", "unitRef": "U_USD", "xsiNil": "false", "lang": null, "decimals": "INF", "ancestors": [ "span", "p", "us-gaap:DepositLiabilitiesTypeTableTextBlock", "div", "us-gaap:DepositLiabilitiesDisclosuresTextBlock", "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true, "unique": true } }, "R79": { "role": "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DepositsAdditionalInformationDetail", "longName": "996145 - Disclosure - Deposits - Additional Information (Detail)", "shortName": "Deposits - Additional Information (Detail)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "79", "firstAnchor": { "contextRef": "C_58733e0d-1091-473e-88d0-0793fdd5cfbe", "name": "us-gaap:TimeDepositsAtOrAboveFDICInsuranceLimit", "unitRef": "U_USD", "xsiNil": "false", "lang": null, "decimals": "-5", "ancestors": [ "span", "p", "us-gaap:DepositLiabilitiesDisclosuresTextBlock", "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "C_58733e0d-1091-473e-88d0-0793fdd5cfbe", "name": "us-gaap:TimeDepositsAtOrAboveFDICInsuranceLimit", "unitRef": "U_USD", "xsiNil": "false", "lang": null, "decimals": "-5", "ancestors": [ "span", "p", "us-gaap:DepositLiabilitiesDisclosuresTextBlock", "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true, "unique": true } }, "R80": { "role": "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DepositsInterestExpenseOnDepositsDetail", "longName": "996155 - Disclosure - Deposits - Interest Expense On Deposits (Detail)", "shortName": "Deposits - Interest Expense On Deposits (Detail)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "80", "firstAnchor": { "contextRef": "C_0cfc6e8b-9777-4fb6-9a26-896432a83a03", "name": "us-gaap:InterestExpenseDomesticDepositLiabilitiesChecking", "unitRef": "U_USD", "xsiNil": "false", "lang": null, "decimals": "-3", "ancestors": [ "span", "p", "td", "tr", "table", "bcow:ScheduleOfInterestExpenseOnDepositsTableTextBlock", "div", "us-gaap:DepositLiabilitiesDisclosuresTextBlock", "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "C_0cfc6e8b-9777-4fb6-9a26-896432a83a03", "name": "us-gaap:InterestExpenseDomesticDepositLiabilitiesChecking", "unitRef": "U_USD", "xsiNil": "false", "lang": null, "decimals": "-3", "ancestors": [ "span", "p", "td", "tr", "table", "bcow:ScheduleOfInterestExpenseOnDepositsTableTextBlock", "div", "us-gaap:DepositLiabilitiesDisclosuresTextBlock", "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true, "unique": true } }, "R81": { "role": "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DepositsScheduledMaturitiesOfCertificatesOfDepositDetail", "longName": "996165 - Disclosure - Deposits - Scheduled Maturities of Certificates of Deposit (Detail)", "shortName": "Deposits - Scheduled Maturities of Certificates of Deposit (Detail)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "81", "firstAnchor": { "contextRef": "C_58733e0d-1091-473e-88d0-0793fdd5cfbe", "name": "us-gaap:TimeDepositMaturitiesYearOne", "unitRef": "U_USD", "xsiNil": "false", "lang": null, "decimals": "-3", "ancestors": [ "span", "p", "td", "tr", "table", "us-gaap:TimeDepositMaturitiesTableTextBlock", "div", "us-gaap:DepositLiabilitiesDisclosuresTextBlock", "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "C_58733e0d-1091-473e-88d0-0793fdd5cfbe", "name": "us-gaap:TimeDepositMaturitiesYearOne", "unitRef": "U_USD", "xsiNil": "false", "lang": null, "decimals": "-3", "ancestors": [ "span", "p", "td", "tr", "table", "us-gaap:TimeDepositMaturitiesTableTextBlock", "div", "us-gaap:DepositLiabilitiesDisclosuresTextBlock", "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true, "unique": true } }, "R82": { "role": "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/FhlbAdvancesAndOtherBorrowingsSummaryOfFederalHomeLoanBankAdvancesDetail", "longName": "996175 - Disclosure - FHLB Advances and Other Borrowings - Summary of Federal Home Loan Bank Advances (Detail)", "shortName": "FHLB Advances and Other Borrowings - Summary of Federal Home Loan Bank Advances (Detail)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "82", "firstAnchor": { "contextRef": "C_58733e0d-1091-473e-88d0-0793fdd5cfbe", "name": "us-gaap:AdvancesFromFederalHomeLoanBanks", "unitRef": "U_USD", "xsiNil": "false", "lang": null, "decimals": "-3", "ancestors": [ "span", "p", "td", "tr", "table", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true }, "uniqueAnchor": { "contextRef": "C_11232575-9081-40fc-9594-3307814d4e70", "name": "us-gaap:FederalHomeLoanBankAdvancesInterestRate", "unitRef": "U_pure", "xsiNil": "false", "lang": null, "decimals": "4", "ancestors": [ "span", "p", "td", "tr", "table", "us-gaap:FederalHomeLoanBankAdvancesTableTextBlock", "div", "us-gaap:FederalHomeLoanBankAdvancesTextBlock", "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "unique": true } }, "R83": { "role": "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/FhlbAdvancesAndOtherBorrowingsScheduleOfMaturitiesOfFederalHomeLoanBankAdvancesDetail", "longName": "996185 - Disclosure - FHLB Advances and Other Borrowings - Schedule of Maturities of Federal Home Loan Bank Advances (Detail)", "shortName": "FHLB Advances and Other Borrowings - Schedule of Maturities of Federal Home Loan Bank Advances (Detail)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "83", "firstAnchor": { "contextRef": "C_58733e0d-1091-473e-88d0-0793fdd5cfbe", "name": "us-gaap:FederalHomeLoanBankAdvancesWeightedAverageInterestRateMaturingInNextTwelveRollingMonths", "unitRef": "U_pure", "xsiNil": "false", "lang": null, "decimals": "4", "ancestors": [ "span", "p", "td", "tr", "table", "us-gaap:ScheduleOfMaturitiesOfLongTermDebtTableTextBlock", "div", "us-gaap:FederalHomeLoanBankAdvancesTextBlock", "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "C_58733e0d-1091-473e-88d0-0793fdd5cfbe", "name": "us-gaap:FederalHomeLoanBankAdvancesWeightedAverageInterestRateMaturingInNextTwelveRollingMonths", "unitRef": "U_pure", "xsiNil": "false", "lang": null, "decimals": "4", "ancestors": [ "span", "p", "td", "tr", "table", "us-gaap:ScheduleOfMaturitiesOfLongTermDebtTableTextBlock", "div", "us-gaap:FederalHomeLoanBankAdvancesTextBlock", "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true, "unique": true } }, "R84": { "role": "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/FhlbAdvancesAndOtherBorrowingsAdditionalInformationDetail", "longName": "996195 - Disclosure - FHLB Advances and Other Borrowings - Additional Information (Detail)", "shortName": "FHLB Advances and Other Borrowings - Additional Information (Detail)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "84", "firstAnchor": { "contextRef": "C_0cfc6e8b-9777-4fb6-9a26-896432a83a03", "name": "bcow:DescriptionOfMaximumBorrowingCapacity", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "span", "p", "us-gaap:FederalHomeLoanBankAdvancesTextBlock", "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "C_0cfc6e8b-9777-4fb6-9a26-896432a83a03", "name": "bcow:DescriptionOfMaximumBorrowingCapacity", "unitRef": null, "xsiNil": "false", "lang": "en-US", "decimals": null, "ancestors": [ "span", "p", "us-gaap:FederalHomeLoanBankAdvancesTextBlock", "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true, "unique": true } }, "R85": { "role": "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/EmployeeBenefitPlansAdditionalInformationDetail", "longName": "996205 - Disclosure - Employee Benefit Plans - Additional Information (Detail)", "shortName": "Employee Benefit Plans - Additional Information (Detail)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "85", "firstAnchor": { "contextRef": "C_0cfc6e8b-9777-4fb6-9a26-896432a83a03", "name": "us-gaap:DefinedContributionPlanCostRecognized", "unitRef": "U_USD", "xsiNil": "false", "lang": null, "decimals": "-3", "ancestors": [ "span", "p", "us-gaap:PensionAndOtherPostretirementBenefitsDisclosureTextBlock", "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "C_0cfc6e8b-9777-4fb6-9a26-896432a83a03", "name": "us-gaap:DefinedContributionPlanCostRecognized", "unitRef": "U_USD", "xsiNil": "false", "lang": null, "decimals": "-3", "ancestors": [ "span", "p", "us-gaap:PensionAndOtherPostretirementBenefitsDisclosureTextBlock", "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true, "unique": true } }, "R86": { "role": "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/IncomeTaxesProvisionForIncomeTaxesDetail", "longName": "996215 - Disclosure - Income Taxes - Provision For Income taxes (Detail)", "shortName": "Income Taxes - Provision For Income taxes (Detail)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "86", "firstAnchor": { "contextRef": "C_0cfc6e8b-9777-4fb6-9a26-896432a83a03", "name": "us-gaap:DeferredFederalIncomeTaxExpenseBenefit", "unitRef": "U_USD", "xsiNil": "false", "lang": null, "decimals": "-3", "ancestors": [ "span", "p", "td", "tr", "table", "us-gaap:ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock", "div", "us-gaap:IncomeTaxDisclosureTextBlock", "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "C_0cfc6e8b-9777-4fb6-9a26-896432a83a03", "name": "us-gaap:DeferredFederalIncomeTaxExpenseBenefit", "unitRef": "U_USD", "xsiNil": "false", "lang": null, "decimals": "-3", "ancestors": [ "span", "p", "td", "tr", "table", "us-gaap:ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock", "div", "us-gaap:IncomeTaxDisclosureTextBlock", "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true, "unique": true } }, "R87": { "role": "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/IncomeTaxesSummaryOfTheSourcesOfDifferencesBetweenIncomeTaxesAtTheFederalStatutoryRateAndTheProvisionCreditForIncomeTaxesDetail", "longName": "996225 - Disclosure - Income Taxes - Summary of the Sources of Differences Between Income Taxes At the Federal Statutory Rate and the Provision (Credit) for Income Taxes (Detail)", "shortName": "Income Taxes - Summary of the Sources of Differences Between Income Taxes At the Federal Statutory Rate and the Provision (Credit) for Income Taxes (Detail)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "87", "firstAnchor": { "contextRef": "C_0cfc6e8b-9777-4fb6-9a26-896432a83a03", "name": "us-gaap:IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate", "unitRef": "U_USD", "xsiNil": "false", "lang": null, "decimals": "-3", "ancestors": [ "span", "p", "td", "tr", "table", "us-gaap:ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock", "div", "us-gaap:IncomeTaxDisclosureTextBlock", "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "C_0cfc6e8b-9777-4fb6-9a26-896432a83a03", "name": "us-gaap:IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate", "unitRef": "U_USD", "xsiNil": "false", "lang": null, "decimals": "-3", "ancestors": [ "span", "p", "td", "tr", "table", "us-gaap:ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock", "div", "us-gaap:IncomeTaxDisclosureTextBlock", "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true, "unique": true } }, "R88": { "role": "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/IncomeTaxesNetDeferredTaxAssetAndLiabilitiesDetail", "longName": "996235 - Disclosure - Income Taxes - Net Deferred Tax Asset and Liabilities (Detail)", "shortName": "Income Taxes - Net Deferred Tax Asset and Liabilities (Detail)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "88", "firstAnchor": { "contextRef": "C_58733e0d-1091-473e-88d0-0793fdd5cfbe", "name": "us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsProvisionForLoanLosses", "unitRef": "U_USD", "xsiNil": "false", "lang": null, "decimals": "-3", "ancestors": [ "span", "p", "td", "tr", "table", "us-gaap:ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock", "div", "us-gaap:IncomeTaxDisclosureTextBlock", "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "C_58733e0d-1091-473e-88d0-0793fdd5cfbe", "name": "us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsProvisionForLoanLosses", "unitRef": "U_USD", "xsiNil": "false", "lang": null, "decimals": "-3", "ancestors": [ "span", "p", "td", "tr", "table", "us-gaap:ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock", "div", "us-gaap:IncomeTaxDisclosureTextBlock", "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true, "unique": true } }, "R89": { "role": "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/IncomeTaxesAdditionalInformationDetail", "longName": "996245 - Disclosure - Income Taxes - Additional Information (Detail)", "shortName": "Income Taxes - Additional Information (Detail)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "89", "firstAnchor": { "contextRef": "C_58733e0d-1091-473e-88d0-0793fdd5cfbe", "name": "us-gaap:DeferredTaxAssetsValuationAllowance", "unitRef": "U_USD", "xsiNil": "false", "lang": null, "decimals": "-3", "ancestors": [ "span", "p", "td", "tr", "table", "us-gaap:ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock", "div", "us-gaap:IncomeTaxDisclosureTextBlock", "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true }, "uniqueAnchor": { "contextRef": "C_00469386-ced1-4ec3-b431-6b9b059eeaf3", "name": "us-gaap:TaxAdjustmentsSettlementsAndUnusualProvisions", "unitRef": "U_USD", "xsiNil": "false", "lang": null, "decimals": "-3", "ancestors": [ "us-gaap:TaxAdjustmentsSettlementsAndUnusualProvisions", "span", "p", "us-gaap:IncomeTaxDisclosureTextBlock", "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "unique": true } }, "R90": { "role": "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureCommitmentsAndContingenciesSummaryOfContractAmountsOfCreditrelatedFinancialInstrumentsDetail", "longName": "996255 - Disclosure - Commitments and Contingencies - Summary of Contract Amounts of Credit-related Financial Instruments (Detail)", "shortName": "Commitments and Contingencies - Summary of Contract Amounts of Credit-related Financial Instruments (Detail)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "90", "firstAnchor": { "contextRef": "C_8ba9cf1d-49d1-491d-9610-34aeeb06aa06", "name": "us-gaap:FairValueDisclosureOffbalanceSheetRisksAmountLiability", "unitRef": "U_USD", "xsiNil": "false", "lang": null, "decimals": "-3", "ancestors": [ "span", "p", "td", "tr", "table", "us-gaap:ScheduleOfFairValueOffBalanceSheetRisksTextBlock", "div", "us-gaap:CommitmentsAndContingenciesDisclosureTextBlock", "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "C_8ba9cf1d-49d1-491d-9610-34aeeb06aa06", "name": "us-gaap:FairValueDisclosureOffbalanceSheetRisksAmountLiability", "unitRef": "U_USD", "xsiNil": "false", "lang": null, "decimals": "-3", "ancestors": [ "span", "p", "td", "tr", "table", "us-gaap:ScheduleOfFairValueOffBalanceSheetRisksTextBlock", "div", "us-gaap:CommitmentsAndContingenciesDisclosureTextBlock", "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true, "unique": true } }, "R91": { "role": "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/CommitmentsAndContingenciesAdditionalInformationDetail", "longName": "996265 - Disclosure - Commitments and Contingencies - Additional Information (Detail)", "shortName": "Commitments and Contingencies - Additional Information (Detail)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "91", "firstAnchor": { "contextRef": "C_7e4a8927-8702-415f-92a9-108b521b39fe", "name": "us-gaap:ContractualObligation", "unitRef": "U_USD", "xsiNil": "false", "lang": null, "decimals": "INF", "ancestors": [ "span", "p", "us-gaap:CommitmentsAndContingenciesDisclosureTextBlock", "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "C_7e4a8927-8702-415f-92a9-108b521b39fe", "name": "us-gaap:ContractualObligation", "unitRef": "U_USD", "xsiNil": "false", "lang": null, "decimals": "INF", "ancestors": [ "span", "p", "us-gaap:CommitmentsAndContingenciesDisclosureTextBlock", "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true, "unique": true } }, "R92": { "role": "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/EmployeeStockOwnershipPlanEmployeeStockOwnershipPlanEsopDisclosuresDetail", "longName": "996275 - Disclosure - Employee Stock Ownership Plan - Employee Stock Ownership Plan (ESOP) Disclosures (Detail)", "shortName": "Employee Stock Ownership Plan - Employee Stock Ownership Plan (ESOP) Disclosures (Detail)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "92", "firstAnchor": { "contextRef": "C_58733e0d-1091-473e-88d0-0793fdd5cfbe", "name": "bcow:SharesCommittedToBeReleased", "unitRef": "U_shares", "xsiNil": "false", "lang": null, "decimals": "0", "ancestors": [ "span", "p", "td", "tr", "table", "us-gaap:ScheduleOfEmployeeStockOwnershipPlanESOPDisclosuresTextBlock", "div", "us-gaap:DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock", "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "C_58733e0d-1091-473e-88d0-0793fdd5cfbe", "name": "bcow:SharesCommittedToBeReleased", "unitRef": "U_shares", "xsiNil": "false", "lang": null, "decimals": "0", "ancestors": [ "span", "p", "td", "tr", "table", "us-gaap:ScheduleOfEmployeeStockOwnershipPlanESOPDisclosuresTextBlock", "div", "us-gaap:DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock", "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true, "unique": true } }, "R93": { "role": "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/EmployeeStockOwnershipPlanEmployeeStockOwnershipPlanEsopDisclosuresParentheticalDetail", "longName": "996285 - Disclosure - Employee Stock Ownership Plan - Employee Stock Ownership Plan (ESOP) Disclosures (Parenthetical) (Detail)", "shortName": "Employee Stock Ownership Plan - Employee Stock Ownership Plan (ESOP) Disclosures (Parenthetical) (Detail)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "parenthetical", "menuCat": "Details", "order": "93", "firstAnchor": { "contextRef": "C_58733e0d-1091-473e-88d0-0793fdd5cfbe", "name": "bcow:CommonStockSharesConversionRatioAsPartOfOfferingPursuantToShareBasedScheme", "unitRef": "U_pure", "xsiNil": "false", "lang": null, "decimals": "2", "ancestors": [ "span", "p", "td", "tr", "table", "us-gaap:ScheduleOfEmployeeStockOwnershipPlanESOPDisclosuresTextBlock", "div", "us-gaap:DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock", "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "C_58733e0d-1091-473e-88d0-0793fdd5cfbe", "name": "bcow:CommonStockSharesConversionRatioAsPartOfOfferingPursuantToShareBasedScheme", "unitRef": "U_pure", "xsiNil": "false", "lang": null, "decimals": "2", "ancestors": [ "span", "p", "td", "tr", "table", "us-gaap:ScheduleOfEmployeeStockOwnershipPlanESOPDisclosuresTextBlock", "div", "us-gaap:DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock", "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true, "unique": true } }, "R94": { "role": "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/EmployeeStockOwnershipPlanAdditionalInformationDetail", "longName": "996295 - Disclosure - Employee Stock Ownership Plan - Additional Information (Detail)", "shortName": "Employee Stock Ownership Plan - Additional Information (Detail)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "94", "firstAnchor": { "contextRef": "C_d3118c89-3ab6-4f8b-b19d-16588736d445", "name": "us-gaap:EmployeeStockOwnershipPlanESOPSharesContributedToESOP", "unitRef": "U_shares", "xsiNil": "false", "lang": null, "decimals": "INF", "ancestors": [ "span", "p", "td", "tr", "table", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true }, "uniqueAnchor": { "contextRef": "C_3b0e56fd-d596-4673-b884-9942ae4ec862", "name": "bcow:NumberOfAdditionalSharesContributedToEmployeeStockOwnershipPlan", "unitRef": "U_shares", "xsiNil": "false", "lang": null, "decimals": "INF", "ancestors": [ "span", "p", "us-gaap:DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock", "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "unique": true } }, "R95": { "role": "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/RelatedPartyTransactionsSummaryOfLoansToDirectorsExecutiveOfficersAndAffiliatesDetail", "longName": "996305 - Disclosure - Related Party Transactions - Summary of Loans to Directors, Executive Officers and Affiliates (Detail)", "shortName": "Related Party Transactions - Summary of Loans to Directors, Executive Officers and Affiliates (Detail)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "95", "firstAnchor": { "contextRef": "C_2422bf70-69c2-4886-b058-3935814ad545", "name": "us-gaap:LoansAndLeasesReceivableRelatedParties", "unitRef": "U_USD", "xsiNil": "false", "lang": null, "decimals": "-3", "ancestors": [ "span", "p", "td", "tr", "table", "us-gaap:ScheduleOfRelatedPartyTransactionsTableTextBlock", "div", "us-gaap:RelatedPartyTransactionsDisclosureTextBlock", "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true }, "uniqueAnchor": { "contextRef": "C_2c21b588-dbc2-4cba-9637-fb994da005d9", "name": "us-gaap:LoansAndLeasesReceivableRelatedParties", "unitRef": "U_USD", "xsiNil": "false", "lang": null, "decimals": "-3", "ancestors": [ "span", "p", "td", "tr", "table", "us-gaap:ScheduleOfRelatedPartyTransactionsTableTextBlock", "div", "us-gaap:RelatedPartyTransactionsDisclosureTextBlock", "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "unique": true } }, "R96": { "role": "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/RelatedPartyTransactionsAdditionalInformationDetail", "longName": "996315 - Disclosure - Related Party Transactions - Additional Information (Detail)", "shortName": "Related Party Transactions - Additional Information (Detail)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "96", "firstAnchor": { "contextRef": "C_9509cee4-ee8e-4fe6-a46f-3d331006ac64", "name": "us-gaap:RelatedPartyDepositLiabilities", "unitRef": "U_USD", "xsiNil": "false", "lang": null, "decimals": "-3", "ancestors": [ "span", "p", "us-gaap:RelatedPartyTransactionsDisclosureTextBlock", "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "C_9509cee4-ee8e-4fe6-a46f-3d331006ac64", "name": "us-gaap:RelatedPartyDepositLiabilities", "unitRef": "U_USD", "xsiNil": "false", "lang": null, "decimals": "-3", "ancestors": [ "span", "p", "us-gaap:RelatedPartyTransactionsDisclosureTextBlock", "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true, "unique": true } }, "R97": { "role": "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/FairValueSummaryOfAssetsMeasuredAtFairValueOnARecurringBasisDetail", "longName": "996325 - Disclosure - Fair Value - Summary of Assets Measured at Fair Value on a Recurring Basis (Detail)", "shortName": "Fair Value - Summary of Assets Measured at Fair Value on a Recurring Basis (Detail)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "97", "firstAnchor": { "contextRef": "C_58733e0d-1091-473e-88d0-0793fdd5cfbe", "name": "us-gaap:AvailableForSaleSecuritiesDebtSecurities", "unitRef": "U_USD", "xsiNil": "false", "lang": null, "decimals": "-3", "ancestors": [ "span", "p", "td", "tr", "table", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true }, "uniqueAnchor": { "contextRef": "C_58733e0d-1091-473e-88d0-0793fdd5cfbe", "name": "us-gaap:AssetsFairValueDisclosure", "unitRef": "U_USD", "xsiNil": "false", "lang": null, "decimals": "-3", "ancestors": [ "span", "p", "td", "tr", "table", "us-gaap:FairValueAssetsMeasuredOnRecurringBasisTextBlock", "div", "us-gaap:FairValueDisclosuresTextBlock", "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "unique": true } }, "R98": { "role": "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/FairValueScheduleOfQuantitativeInformationAboutNonrecurringLevel3FairValueMeasurementsDetail", "longName": "996335 - Disclosure - Fair Value - Schedule of Quantitative Information about Nonrecurring Level 3 Fair Value Measurements (Detail)", "shortName": "Fair Value - Schedule of Quantitative Information about Nonrecurring Level 3 Fair Value Measurements (Detail)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "98", "firstAnchor": { "contextRef": "C_58733e0d-1091-473e-88d0-0793fdd5cfbe", "name": "bcow:FairValueDisclosureOfRateLockCommitments", "unitRef": "U_USD", "xsiNil": "false", "lang": null, "decimals": "-3", "ancestors": [ "span", "p", "td", "tr", "table", "us-gaap:FairValueAssetsMeasuredOnNonrecurringBasisValuationTechniquesTextBlock", "div", "us-gaap:FairValueDisclosuresTextBlock", "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "C_58733e0d-1091-473e-88d0-0793fdd5cfbe", "name": "bcow:FairValueDisclosureOfRateLockCommitments", "unitRef": "U_USD", "xsiNil": "false", "lang": null, "decimals": "-3", "ancestors": [ "span", "p", "td", "tr", "table", "us-gaap:FairValueAssetsMeasuredOnNonrecurringBasisValuationTechniquesTextBlock", "div", "us-gaap:FairValueDisclosuresTextBlock", "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true, "unique": true } }, "R99": { "role": "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/FairValueSummaryOfCarryingValuesAndEstimatedFairValuesOfFinancialInstrumentsDetail", "longName": "996345 - Disclosure - Fair Value - Summary of Carrying Values and Estimated Fair Values of Financial Instruments (Detail)", "shortName": "Fair Value - Summary of Carrying Values and Estimated Fair Values of Financial Instruments (Detail)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "99", "firstAnchor": { "contextRef": "C_58733e0d-1091-473e-88d0-0793fdd5cfbe", "name": "us-gaap:AvailableForSaleSecuritiesDebtSecurities", "unitRef": "U_USD", "xsiNil": "false", "lang": null, "decimals": "-3", "ancestors": [ "span", "p", "td", "tr", "table", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true }, "uniqueAnchor": { "contextRef": "C_edadd15f-f83e-4d1e-ac95-387e065c89bc", "name": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "unitRef": "U_USD", "xsiNil": "false", "lang": null, "decimals": "-3", "ancestors": [ "span", "p", "td", "tr", "table", "us-gaap:FairValueByBalanceSheetGroupingTextBlock", "div", "us-gaap:FairValueDisclosuresTextBlock", "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "unique": true } }, "R100": { "role": "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/FairValueAdditionalInformationDetail", "longName": "996355 - Disclosure - Fair Value - Additional Information (Detail)", "shortName": "Fair Value - Additional Information (Detail)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "100", "firstAnchor": { "contextRef": "C_58733e0d-1091-473e-88d0-0793fdd5cfbe", "name": "bcow:ImpairmentLoanOnMortgageServicingRights", "unitRef": "U_USD", "xsiNil": "false", "lang": null, "decimals": "-3", "ancestors": [ "span", "p", "us-gaap:FairValueDisclosuresTextBlock", "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "C_58733e0d-1091-473e-88d0-0793fdd5cfbe", "name": "bcow:ImpairmentLoanOnMortgageServicingRights", "unitRef": "U_USD", "xsiNil": "false", "lang": null, "decimals": "-3", "ancestors": [ "span", "p", "us-gaap:FairValueDisclosuresTextBlock", "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true, "unique": true } }, "R101": { "role": "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/EquityAndRegulatoryMattersScheduleOfBanksActualAndRequiredCapitalAmountsAndRatiosDetail", "longName": "996365 - Disclosure - Equity and Regulatory Matters - Schedule of Banks Actual and Required Capital Amounts and Ratios (Detail)", "shortName": "Equity and Regulatory Matters - Schedule of Banks Actual and Required Capital Amounts and Ratios (Detail)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "101", "firstAnchor": { "contextRef": "C_58733e0d-1091-473e-88d0-0793fdd5cfbe", "name": "us-gaap:CommonEquityTierOneCapital", "unitRef": "U_USD", "xsiNil": "false", "lang": null, "decimals": "-3", "ancestors": [ "span", "p", "td", "tr", "table", "us-gaap:ScheduleOfComplianceWithRegulatoryCapitalRequirementsUnderBankingRegulationsTextBlock", "div", "us-gaap:RegulatoryCapitalRequirementsUnderBankingRegulationsTextBlock", "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "C_58733e0d-1091-473e-88d0-0793fdd5cfbe", "name": "us-gaap:CommonEquityTierOneCapital", "unitRef": "U_USD", "xsiNil": "false", "lang": null, "decimals": "-3", "ancestors": [ "span", "p", "td", "tr", "table", "us-gaap:ScheduleOfComplianceWithRegulatoryCapitalRequirementsUnderBankingRegulationsTextBlock", "div", "us-gaap:RegulatoryCapitalRequirementsUnderBankingRegulationsTextBlock", "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true, "unique": true } }, "R102": { "role": "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureEquityAndRegulatoryMattersAdditionalInformationDetail", "longName": "996375 - Disclosure - Equity and Regulatory Matters - Additional Information (Detail)", "shortName": "Equity and Regulatory Matters - Additional Information (Detail)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "102", "firstAnchor": { "contextRef": "C_38f46f29-a826-4c3a-9dbc-8e55d82f0a38", "name": "bcow:PercentageOfRepurchaseOfOutstandingShares", "unitRef": "U_pure", "xsiNil": "false", "lang": null, "decimals": "2", "ancestors": [ "span", "p", "us-gaap:RegulatoryCapitalRequirementsUnderBankingRegulationsTextBlock", "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "C_38f46f29-a826-4c3a-9dbc-8e55d82f0a38", "name": "bcow:PercentageOfRepurchaseOfOutstandingShares", "unitRef": "U_pure", "xsiNil": "false", "lang": null, "decimals": "2", "ancestors": [ "span", "p", "us-gaap:RegulatoryCapitalRequirementsUnderBankingRegulationsTextBlock", "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true, "unique": true } }, "R103": { "role": "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DeferredCompensationAdditionalInformationDetail", "longName": "996385 - Disclosure - Deferred Compensation - Additional Information (Detail)", "shortName": "Deferred Compensation - Additional Information (Detail)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "103", "firstAnchor": { "contextRef": "C_58733e0d-1091-473e-88d0-0793fdd5cfbe", "name": "us-gaap:DeferredCompensationLiabilityCurrent", "unitRef": "U_USD", "xsiNil": "false", "lang": null, "decimals": "-5", "ancestors": [ "span", "p", "bcow:DisclosureOfDeferredCompensationTextBlock", "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "C_58733e0d-1091-473e-88d0-0793fdd5cfbe", "name": "us-gaap:DeferredCompensationLiabilityCurrent", "unitRef": "U_USD", "xsiNil": "false", "lang": null, "decimals": "-5", "ancestors": [ "span", "p", "bcow:DisclosureOfDeferredCompensationTextBlock", "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true, "unique": true } }, "R104": { "role": "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureEarningsLossPerShareEpsAdditionalInformationDetail", "longName": "996395 - Disclosure - Earnings (Loss) Per Share (EPS) - Additional Information (Detail)", "shortName": "Earnings (Loss) Per Share (EPS) - Additional Information (Detail)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "104", "firstAnchor": { "contextRef": "C_0cfc6e8b-9777-4fb6-9a26-896432a83a03", "name": "us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount", "unitRef": "U_shares", "xsiNil": "false", "lang": null, "decimals": "INF", "ancestors": [ "span", "p", "us-gaap:EarningsPerShareTextBlock", "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "C_0cfc6e8b-9777-4fb6-9a26-896432a83a03", "name": "us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount", "unitRef": "U_shares", "xsiNil": "false", "lang": null, "decimals": "INF", "ancestors": [ "span", "p", "us-gaap:EarningsPerShareTextBlock", "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true, "unique": true } }, "R105": { "role": "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureEarningsLossPerShareEpsEarningsPerCommonShareDetail", "longName": "996405 - Disclosure - Earnings (Loss) Per Share (EPS) - Earnings Per Common Share (Detail)", "shortName": "Earnings (Loss) Per Share (EPS) - Earnings Per Common Share (Detail)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "105", "firstAnchor": { "contextRef": "C_0cfc6e8b-9777-4fb6-9a26-896432a83a03", "name": "us-gaap:NetIncomeLoss", "unitRef": "U_USD", "xsiNil": "false", "lang": null, "decimals": "-3", "ancestors": [ "span", "p", "td", "tr", "table", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true }, "uniqueAnchor": { "contextRef": "C_0cfc6e8b-9777-4fb6-9a26-896432a83a03", "name": "us-gaap:WeightedAverageNumberOfSharesIssuedBasic", "unitRef": "U_shares", "xsiNil": "false", "lang": null, "decimals": "0", "ancestors": [ "span", "p", "td", "tr", "table", "us-gaap:ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock", "div", "us-gaap:EarningsPerShareTextBlock", "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "unique": true } }, "R106": { "role": "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureEarningsLossPerShareEpsScheduleOfEarningsPerShareBasicAndDilutedParentheticalDetail", "longName": "996415 - Disclosure - Earnings (Loss) Per Share (EPS) - Schedule of Earnings Per Share, Basic and Diluted (Parenthetical) (Detail)", "shortName": "Earnings (Loss) Per Share (EPS) - Schedule of Earnings Per Share, Basic and Diluted (Parenthetical) (Detail)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "parenthetical", "menuCat": "Details", "order": "106", "firstAnchor": { "contextRef": "C_0cfc6e8b-9777-4fb6-9a26-896432a83a03", "name": "us-gaap:WeightedAverageNumberDilutedSharesOutstandingAdjustment", "unitRef": "U_shares", "xsiNil": "false", "lang": null, "decimals": "INF", "ancestors": [ "span", "link:footnote", "p", "us-gaap:ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock", "div", "us-gaap:EarningsPerShareTextBlock", "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true }, "uniqueAnchor": null }, "R107": { "role": "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/StockBasedCompensationAdditionalInformationDetail", "longName": "996425 - Disclosure - Stock Based Compensation - Additional Information (Detail)", "shortName": "Stock Based Compensation - Additional Information (Detail)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "107", "firstAnchor": { "contextRef": "C_58733e0d-1091-473e-88d0-0793fdd5cfbe", "name": "us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized", "unitRef": "U_USD", "xsiNil": "false", "lang": null, "decimals": "-3", "ancestors": [ "span", "p", "us-gaap:DisclosureOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTextBlock", "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "C_58733e0d-1091-473e-88d0-0793fdd5cfbe", "name": "us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized", "unitRef": "U_USD", "xsiNil": "false", "lang": null, "decimals": "-3", "ancestors": [ "span", "p", "us-gaap:DisclosureOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTextBlock", "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true, "unique": true } }, "R108": { "role": "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/StockBasedCompensationSummaryOfAssumptionsUsedInEstimatingTheFairValueOfOptionsGrantedDetail", "longName": "996435 - Disclosure - Stock Based Compensation - Summary of Assumptions Used in Estimating the Fair Value of Options Granted (Detail)", "shortName": "Stock Based Compensation - Summary of Assumptions Used in Estimating the Fair Value of Options Granted (Detail)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "108", "firstAnchor": { "contextRef": "C_0cfc6e8b-9777-4fb6-9a26-896432a83a03", "name": "us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate", "unitRef": "U_pure", "xsiNil": "false", "lang": null, "decimals": "4", "ancestors": [ "span", "p", "td", "tr", "table", "ix:continuation", "div", "us-gaap:DisclosureOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTextBlock", "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true, "unique": true }, "uniqueAnchor": { "contextRef": "C_0cfc6e8b-9777-4fb6-9a26-896432a83a03", "name": "us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate", "unitRef": "U_pure", "xsiNil": "false", "lang": null, "decimals": "4", "ancestors": [ "span", "p", "td", "tr", "table", "ix:continuation", "div", "us-gaap:DisclosureOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTextBlock", "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true, "unique": true } }, "R109": { "role": "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/StockBasedCompensationSummaryOfStockOptionActivityDetail", "longName": "996445 - Disclosure - Stock Based Compensation - Summary of Stock Option Activity (Detail)", "shortName": "Stock Based Compensation - Summary of Stock Option Activity (Detail)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "109", "firstAnchor": { "contextRef": "C_2422bf70-69c2-4886-b058-3935814ad545", "name": "us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber", "unitRef": "U_shares", "xsiNil": "false", "lang": null, "decimals": "INF", "ancestors": [ "span", "p", "td", "tr", "table", "us-gaap:ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock", "div", "us-gaap:DisclosureOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTextBlock", "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true }, "uniqueAnchor": { "contextRef": "C_0cfc6e8b-9777-4fb6-9a26-896432a83a03", "name": "us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross", "unitRef": "U_shares", "xsiNil": "false", "lang": null, "decimals": "INF", "ancestors": [ "span", "p", "td", "tr", "table", "us-gaap:ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock", "div", "us-gaap:DisclosureOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTextBlock", "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "unique": true } }, "R110": { "role": "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/StockBasedCompensationSummaryOfNonvestedStockOptionActivityDetail", "longName": "996455 - Disclosure - Stock Based Compensation - Summary of Nonvested Stock option Activity (Detail)", "shortName": "Stock Based Compensation - Summary of Nonvested Stock option Activity (Detail)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "110", "firstAnchor": { "contextRef": "C_2422bf70-69c2-4886-b058-3935814ad545", "name": "us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares", "unitRef": "U_shares", "xsiNil": "false", "lang": null, "decimals": "INF", "ancestors": [ "span", "p", "td", "tr", "table", "bcow:ScheduleOfShareBasedCompensationNonvestedStockOptionsActivityTableTextBlock", "div", "us-gaap:DisclosureOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTextBlock", "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true }, "uniqueAnchor": { "contextRef": "C_2c21b588-dbc2-4cba-9637-fb994da005d9", "name": "us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares", "unitRef": "U_shares", "xsiNil": "false", "lang": null, "decimals": "INF", "ancestors": [ "span", "p", "td", "tr", "table", "bcow:ScheduleOfShareBasedCompensationNonvestedStockOptionsActivityTableTextBlock", "div", "us-gaap:DisclosureOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTextBlock", "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "unique": true } }, "R111": { "role": "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/StockBasedCompensationSummaryOfNonvestedStockOptionActivityParentheticalDetail", "longName": "996465 - Disclosure - Stock Based Compensation - Summary of Nonvested Stock option Activity (Parenthetical) (Detail)", "shortName": "Stock Based Compensation - Summary of Nonvested Stock option Activity (Parenthetical) (Detail)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "parenthetical", "menuCat": "Details", "order": "111", "firstAnchor": { "contextRef": "C_0cfc6e8b-9777-4fb6-9a26-896432a83a03", "name": "us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod", "unitRef": "U_shares", "xsiNil": "false", "lang": null, "decimals": "INF", "ancestors": [ "span", "p", "td", "tr", "table", "us-gaap:ScheduleOfShareBasedCompensationRestrictedStockUnitsAwardActivityTableTextBlock", "div", "us-gaap:DisclosureOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTextBlock", "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true }, "uniqueAnchor": null }, "R112": { "role": "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/StockBasedCompensationSummaryOfRestrictedStockUnitActivityDetail", "longName": "996475 - Disclosure - Stock Based Compensation - Summary of Restricted Stock Unit Activity (Detail)", "shortName": "Stock Based Compensation - Summary of Restricted Stock Unit Activity (Detail)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "details", "menuCat": "Details", "order": "112", "firstAnchor": { "contextRef": "C_2422bf70-69c2-4886-b058-3935814ad545", "name": "us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber", "unitRef": "U_shares", "xsiNil": "false", "lang": null, "decimals": "INF", "ancestors": [ "span", "p", "td", "tr", "table", "us-gaap:ScheduleOfShareBasedCompensationRestrictedStockUnitsAwardActivityTableTextBlock", "div", "us-gaap:DisclosureOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTextBlock", "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true }, "uniqueAnchor": { "contextRef": "C_2c21b588-dbc2-4cba-9637-fb994da005d9", "name": "us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber", "unitRef": "U_shares", "xsiNil": "false", "lang": null, "decimals": "INF", "ancestors": [ "span", "p", "td", "tr", "table", "us-gaap:ScheduleOfShareBasedCompensationRestrictedStockUnitsAwardActivityTableTextBlock", "div", "us-gaap:DisclosureOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTextBlock", "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "unique": true } }, "R113": { "role": "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/StockBasedCompensationSummaryOfRestrictedStockUnitActivityParentheticalDetail", "longName": "996485 - Disclosure - Stock Based Compensation - Summary of Restricted Stock Unit Activity (Parenthetical) (Detail)", "shortName": "Stock Based Compensation - Summary of Restricted Stock Unit Activity (Parenthetical) (Detail)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "parenthetical", "menuCat": "Details", "order": "113", "firstAnchor": { "contextRef": "C_0cfc6e8b-9777-4fb6-9a26-896432a83a03", "name": "us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod", "unitRef": "U_shares", "xsiNil": "false", "lang": null, "decimals": "INF", "ancestors": [ "span", "p", "td", "tr", "table", "us-gaap:ScheduleOfShareBasedCompensationRestrictedStockUnitsAwardActivityTableTextBlock", "div", "us-gaap:DisclosureOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTextBlock", "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true }, "uniqueAnchor": { "contextRef": "C_0cfc6e8b-9777-4fb6-9a26-896432a83a03", "name": "bcow:SharebasedCompensationArrangementEquityInstrumentsOtherThanOptionsVestedRealtedToSharesSurrendersToCoverPayrollTaxesInPeriod", "unitRef": "U_shares", "xsiNil": "false", "lang": null, "decimals": "INF", "ancestors": [ "span", "link:footnote", "p", "us-gaap:ScheduleOfShareBasedCompensationRestrictedStockUnitsAwardActivityTableTextBlock", "div", "us-gaap:DisclosureOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTextBlock", "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "unique": true } }, "R114": { "role": "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureParentCompanyOnlyFinancialStatementsSummaryOfCondensedFinancialStatementsOfParentHoldingCompanyDetail", "longName": "996495 - Disclosure - Parent Company Only Financial Statements - Summary of Condensed Financial Statements of Parent Holding Company (Detail)", "shortName": "Parent Company Only Financial Statements - Summary of Condensed Financial Statements of Parent Holding Company (Detail)", "isDefault": "false", "groupType": "disclosure", "subGroupType": "parenthetical", "menuCat": "Details", "order": "114", "firstAnchor": { "contextRef": "C_58733e0d-1091-473e-88d0-0793fdd5cfbe", "name": "us-gaap:CashAndDueFromBanks", "unitRef": "U_USD", "xsiNil": "false", "lang": null, "decimals": "-3", "ancestors": [ "span", "p", "td", "tr", "table", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "first": true }, "uniqueAnchor": { "contextRef": "C_a70defa8-3976-4d96-bb71-17c523f9592f", "name": "us-gaap:CashAndDueFromBanks", "unitRef": "U_USD", "xsiNil": "false", "lang": null, "decimals": "-3", "ancestors": [ "span", "p", "td", "tr", "table", "srt:ScheduleOfCondensedFinancialStatementsTableTextBlock", "div", "us-gaap:CondensedFinancialInformationOfParentCompanyOnlyDisclosureTextBlock", "div", "div", "body", "html" ], "reportCount": 1, "baseRef": "bcow-20231231.htm", "unique": true } } }, "tag": { "us-gaap_AccountingPoliciesAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "AccountingPoliciesAbstract", "lang": { "en-us": { "role": { "label": "Accounting Policies [Abstract]" } } }, "auth_ref": [] }, "us-gaap_AccountingStandardsUpdate201602Member": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "AccountingStandardsUpdate201602Member", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/SummaryOfSignificantAccountingPoliciesAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "label": "Accounting Standards Update 2016-02 [Member]", "terseLabel": "ASU 2016-02, ASC 842 [Member]", "documentation": "Accounting Standards Update 2016-02 Leases (Topic 842)." } } }, "auth_ref": [ "r656" ] }, "us-gaap_AccountingStandardsUpdate201613Member": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "AccountingStandardsUpdate201613Member", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfChangesInStockholdersEquity", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/SummaryOfSignificantAccountingPoliciesAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "terseLabel": "ASU 2016-13", "label": "Accounting Standards Update 2016-13 [Member]", "documentation": "Accounting Standards Update 2016-13 Financial Instruments-Credit Losses (Topic 326): Measurement of Credit Losses on Financial Instruments." } } }, "auth_ref": [ "r409" ] }, "us-gaap_AccountingStandardsUpdateExtensibleList": { "xbrltype": "enumerationSetItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "AccountingStandardsUpdateExtensibleList", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfChangesInStockholdersEquity" ], "lang": { "en-us": { "role": { "terseLabel": "Accounting Standards Update [Extensible List]", "label": "Accounting Standards Update [Extensible Enumeration]", "documentation": "Indicates amendment to accounting standards." } } }, "auth_ref": [ "r262", "r263", "r264", "r265", "r266", "r318", "r319", "r320", "r370", "r371", "r411", "r412", "r413", "r414", "r415", "r416", "r417", "r418", "r419", "r444", "r553", "r554", "r555", "r575", "r576", "r587", "r588", "r589", "r599", "r600", "r601", "r611", "r612", "r613", "r614", "r615", "r616", "r617", "r618", "r619", "r620", "r621", "r622", "r633", "r634", "r640", "r641", "r642", "r643", "r652", "r653", "r657", "r658", "r659", "r672", "r673", "r674", "r675", "r676", "r806", "r807", "r808", "r809", "r810", "r811", "r812", "r813", "r814", "r815", "r816", "r817", "r1126" ] }, "us-gaap_AccountsNotesLoansAndFinancingReceivableGrossAllowanceAndNetAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "AccountsNotesLoansAndFinancingReceivableGrossAllowanceAndNetAbstract", "lang": { "en-us": { "role": { "label": "Accounts, Notes, Loans and Financing Receivable, Gross, Allowance, and Net [Abstract]" } } }, "auth_ref": [] }, "bcow_AccruedInterestOnLoansExcludedFromAmortizedCostBasisOfLoan": { "xbrltype": "monetaryItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "AccruedInterestOnLoansExcludedFromAmortizedCostBasisOfLoan", "crdr": "debit", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/SummaryOfSignificantAccountingPoliciesAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Accrued interest on loans excluded from amortized cost basis of loan", "label": "Accrued Interest On Loans Excluded From Amortized Cost Basis Of Loan", "documentation": "Accrued interest on loans excluded from amortized cost basis of loan." } } }, "auth_ref": [] }, "bcow_AccruedInterestOnSecuritiesAvailableForSale": { "xbrltype": "monetaryItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "AccruedInterestOnSecuritiesAvailableForSale", "crdr": "credit", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/SummaryOfSignificantAccountingPoliciesAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Accrued interest on securities available for sale", "label": "Accrued Interest On Securities Available For Sale", "documentation": "Accrued Interest On Securities Available For Sale" } } }, "auth_ref": [] }, "bcow_AccruedInterestPayable": { "xbrltype": "monetaryItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "AccruedInterestPayable", "crdr": "credit", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/FairValueSummaryOfCarryingValuesAndEstimatedFairValuesOfFinancialInstrumentsDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Accrued interest payable", "label": "Accrued Interest Payable", "documentation": "Accrued interest payable." } } }, "auth_ref": [] }, "us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment", "crdr": "credit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosurePremisesAndEquipmentSummaryOfPremisesAndEquipmentDetail": { "parentTag": "us-gaap_PropertyPlantAndEquipmentNet", "weight": -1.0, "order": 1.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosurePremisesAndEquipmentSummaryOfPremisesAndEquipmentDetail" ], "lang": { "en-us": { "role": { "verboseLabel": "Less: Accumulated depreciation", "label": "Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment", "totalLabel": "Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment, Total", "periodStartLabel": "Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment, Beginning Balance", "periodEndLabel": "Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment, Ending Balance", "documentation": "Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services." } } }, "auth_ref": [ "r92", "r271", "r788" ] }, "us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "AccumulatedOtherComprehensiveIncomeLossNetOfTax", "crdr": "credit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedBalanceSheets": { "parentTag": "us-gaap_StockholdersEquity", "weight": 1.0, "order": 1.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedBalanceSheets" ], "lang": { "en-us": { "role": { "terseLabel": "Accumulated other comprehensive loss, net of income taxes", "label": "Accumulated Other Comprehensive Income (Loss), Net of Tax", "totalLabel": "Accumulated Other Comprehensive Income (Loss), Net of Tax, Total", "documentation": "Amount, after tax, of accumulated increase (decrease) in equity from transaction and other event and circumstance from nonowner source." } } }, "auth_ref": [ "r52", "r53", "r148", "r279", "r784", "r813", "r817" ] }, "us-gaap_AccumulatedOtherComprehensiveIncomeMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "AccumulatedOtherComprehensiveIncomeMember", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfChangesInStockholdersEquity" ], "lang": { "en-us": { "role": { "verboseLabel": "Accumulated other comprehensive income (loss)", "label": "AOCI Attributable to Parent [Member]", "documentation": "Accumulated increase (decrease) in equity from transactions and other events and circumstances from non-owner sources, attributable to the parent. Excludes net income (loss), and accumulated changes in equity from transactions resulting from investments by owners and distributions to owners." } } }, "auth_ref": [ "r4", "r27", "r53", "r604", "r607", "r676", "r808", "r809", "r1105", "r1106", "r1107", "r1123", "r1124", "r1125" ] }, "ecd_Additional402vDisclosureTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://xbrl.sec.gov/ecd/2023", "localname": "Additional402vDisclosureTextBlock", "presentation": [ "http://xbrl.sec.gov/ecd/role/PvpDisclosure" ], "lang": { "en-us": { "role": { "label": "Additional 402(v) Disclosure [Text Block]", "terseLabel": "Additional 402(v) Disclosure" } } }, "auth_ref": [ "r1019" ] }, "bcow_AdditionalCommittedImpairedLoans": { "xbrltype": "monetaryItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "AdditionalCommittedImpairedLoans", "crdr": "debit", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/LoansAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Additional committed impared loans", "label": "Additional committed impaired loans", "documentation": "Additional committed impaired loans." } } }, "auth_ref": [] }, "us-gaap_AdditionalPaidInCapital": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "AdditionalPaidInCapital", "crdr": "credit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedBalanceSheets": { "parentTag": "us-gaap_StockholdersEquity", "weight": 1.0, "order": 3.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedBalanceSheets" ], "lang": { "en-us": { "role": { "verboseLabel": "Additional\u00a0paid-in\u00a0capital", "label": "Additional Paid in Capital", "totalLabel": "Additional Paid in Capital, Total", "documentation": "Amount of excess of issue price over par or stated value of stock and from other transaction involving stock or stockholder. Includes, but is not limited to, additional paid-in capital (APIC) for common and preferred stock." } } }, "auth_ref": [ "r143", "r963", "r1244" ] }, "us-gaap_AdditionalPaidInCapitalMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "AdditionalPaidInCapitalMember", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfChangesInStockholdersEquity" ], "lang": { "en-us": { "role": { "verboseLabel": "Additional paid-in capital", "label": "Additional Paid-in Capital [Member]", "documentation": "Excess of issue price over par or stated value of the entity's capital stock and amounts received from other transactions involving the entity's stock or stockholders." } } }, "auth_ref": [ "r553", "r554", "r555", "r833", "r1123", "r1124", "r1125", "r1211", "r1246" ] }, "ecd_AdjToCompAmt": { "xbrltype": "monetaryItemType", "nsuri": "http://xbrl.sec.gov/ecd/2023", "localname": "AdjToCompAmt", "presentation": [ "http://xbrl.sec.gov/ecd/role/PvpDisclosure" ], "lang": { "en-us": { "role": { "label": "Adjustment to Compensation Amount", "terseLabel": "Adjustment to Compensation, Amount" } } }, "auth_ref": [ "r1025" ] }, "ecd_AdjToCompAxis": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/ecd/2023", "localname": "AdjToCompAxis", "presentation": [ "http://xbrl.sec.gov/ecd/role/PvpDisclosure" ], "lang": { "en-us": { "role": { "label": "Adjustment to Compensation [Axis]", "terseLabel": "Adjustment to Compensation:" } } }, "auth_ref": [ "r1025" ] }, "ecd_AdjToNonPeoNeoCompFnTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://xbrl.sec.gov/ecd/2023", "localname": "AdjToNonPeoNeoCompFnTextBlock", "presentation": [ "http://xbrl.sec.gov/ecd/role/PvpDisclosure" ], "lang": { "en-us": { "role": { "label": "Adjustment to Non-PEO NEO Compensation Footnote [Text Block]", "terseLabel": "Adjustment to Non-PEO NEO Compensation Footnote" } } }, "auth_ref": [ "r1025" ] }, "ecd_AdjToPeoCompFnTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://xbrl.sec.gov/ecd/2023", "localname": "AdjToPeoCompFnTextBlock", "presentation": [ "http://xbrl.sec.gov/ecd/role/PvpDisclosure" ], "lang": { "en-us": { "role": { "label": "Adjustment To PEO Compensation, Footnote [Text Block]", "terseLabel": "Adjustment To PEO Compensation, Footnote" } } }, "auth_ref": [ "r1025" ] }, "bcow_AdjustmentToMortgageServicingRightsValuation": { "xbrltype": "monetaryItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "AdjustmentToMortgageServicingRightsValuation", "crdr": "debit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfCashFlows": { "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": 1.0, "order": 6.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfCashFlows" ], "lang": { "en-us": { "role": { "terseLabel": "Adjustment to mortgage servicing rights valuation", "label": "Adjustment To Mortgage Servicing Rights Valuation", "documentation": "Adjustment to mortgage servicing rights valuation." } } }, "auth_ref": [] }, "bcow_AdjustmentToRetainedEarningsTransactionalRounding": { "xbrltype": "monetaryItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "AdjustmentToRetainedEarningsTransactionalRounding", "crdr": "credit", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfChangesInStockholdersEquity" ], "lang": { "en-us": { "role": { "documentation": "Adjustment to retained earnings transactional rounding.", "label": "Adjustment To Retained Earnings Transactional Rounding", "terseLabel": "Transactional rounding" } } }, "auth_ref": [] }, "us-gaap_AdjustmentsForNewAccountingPronouncementsAxis": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "AdjustmentsForNewAccountingPronouncementsAxis", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfChangesInStockholdersEquity", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/SummaryOfSignificantAccountingPoliciesAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "label": "Accounting Standards Update [Axis]", "documentation": "Information by amendment to accounting standards." } } }, "auth_ref": [ "r262", "r263", "r264", "r265", "r266", "r318", "r319", "r320", "r321", "r332", "r370", "r371", "r411", "r412", "r413", "r414", "r415", "r416", "r417", "r418", "r419", "r420", "r444", "r553", "r554", "r555", "r573", "r574", "r575", "r576", "r587", "r588", "r589", "r599", "r600", "r601", "r602", "r603", "r604", "r605", "r606", "r607", "r608", "r609", "r611", "r612", "r613", "r614", "r615", "r616", "r617", "r618", "r619", "r620", "r621", "r622", "r633", "r634", "r640", "r641", "r642", "r643", "r652", "r653", "r657", "r658", "r659", "r660", "r672", "r673", "r674", "r675", "r676", "r740", "r741", "r742", "r806", "r807", "r808", "r809", "r810", "r811", "r812", "r813", "r814", "r815", "r816", "r817" ] }, "bcow_AdjustmentsToAdditionalPaidInCapitalPurchaseAndRetirementOfCommonStock": { "xbrltype": "monetaryItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "AdjustmentsToAdditionalPaidInCapitalPurchaseAndRetirementOfCommonStock", "crdr": "debit", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfChangesInStockholdersEquity" ], "lang": { "en-us": { "role": { "terseLabel": "Purchase and retirement of common stock", "label": "Adjustments To Additional Paid In Capital, Purchase And Retirement Of Common Stock", "documentation": "Adjustments to additional paid in capital, purchase and retirement of common stock." } } }, "auth_ref": [] }, "bcow_AdjustmentsToAdditionalPaidInCapitalRepurchaseAndCancellationOfCommonStockStockRepurchaseProgramShares": { "xbrltype": "sharesItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "AdjustmentsToAdditionalPaidInCapitalRepurchaseAndCancellationOfCommonStockStockRepurchaseProgramShares", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfChangesInStockholdersEquityParenthetical" ], "lang": { "en-us": { "role": { "terseLabel": "Repurchase and cancellation of common stock-stock repurchase program", "label": "Adjustments To Additional Paid In Capital, Repurchase And Cancellation Of Common Stock-Stock Repurchase Program, Shares", "documentation": "Adjustments to additional paid in capital, repurchase and cancellation of common stock-stock repurchase program, shares." } } }, "auth_ref": [] }, "bcow_AdjustmentsToAdditionalPaidInCapitalRepurchaseAndCancellationOfCommonStockStockRepurchaseProgramValue": { "xbrltype": "monetaryItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "AdjustmentsToAdditionalPaidInCapitalRepurchaseAndCancellationOfCommonStockStockRepurchaseProgramValue", "crdr": "debit", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfChangesInStockholdersEquity" ], "lang": { "en-us": { "role": { "terseLabel": "Repurchase and cancellation of common stock-stock repurchase program", "label": "Adjustments To Additional Paid In Capital, Repurchase And Cancellation Of Common Stock-Stock Repurchase Program Value", "documentation": "Adjustments to additional paid in capital, repurchase and cancellation of common stock-stock repurchase program value." } } }, "auth_ref": [] }, "bcow_AdjustmentsToAdditionalPaidInCapitalRepurchaseAndCancellationOfSharesStockRepurchaseProgramShares": { "xbrltype": "sharesItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "AdjustmentsToAdditionalPaidInCapitalRepurchaseAndCancellationOfSharesStockRepurchaseProgramShares", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfChangesInStockholdersEquityParenthetical" ], "lang": { "en-us": { "role": { "terseLabel": "Repurchase and cancellation of shares-stock repurchase program", "label": "Adjustments To Additional Paid In Capital Repurchase And Cancellation Of Shares Stock Repurchase Program Shares", "documentation": "Adjustments to additional paid in capital repurchase and cancellation of shares stock repurchase program shares." } } }, "auth_ref": [] }, "bcow_AdjustmentsToAdditionalPaidInCapitalRepurchaseAndCancellationOfSharesStockRepurchaseProgramValue": { "xbrltype": "monetaryItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "AdjustmentsToAdditionalPaidInCapitalRepurchaseAndCancellationOfSharesStockRepurchaseProgramValue", "crdr": "debit", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfChangesInStockholdersEquity" ], "lang": { "en-us": { "role": { "terseLabel": "Repurchase and cancellation of shares-stock repurchase program", "label": "Adjustments To Additional Paid In Capital Repurchase And Cancellation Of Shares Stock Repurchase Program Value", "documentation": "Adjustments to additional paid in capital repurchase and cancellation of shares stock repurchase program value." } } }, "auth_ref": [] }, "us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue", "crdr": "credit", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfChangesInStockholdersEquity" ], "lang": { "en-us": { "role": { "terseLabel": "Stock compensation expense", "label": "APIC, Share-Based Payment Arrangement, Increase for Cost Recognition", "totalLabel": "APIC, Share-Based Payment Arrangement, Increase for Cost Recognition, Total", "documentation": "Amount of increase to additional paid-in capital (APIC) for recognition of cost for award under share-based payment arrangement." } } }, "auth_ref": [ "r101", "r102", "r519" ] }, "us-gaap_AdjustmentsToAdditionalPaidInCapitalStockIssuedIssuanceCosts": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "AdjustmentsToAdditionalPaidInCapitalStockIssuedIssuanceCosts", "crdr": "debit", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfChangesInStockholdersEquity" ], "lang": { "en-us": { "role": { "negatedLabel": "Stock offering costs", "label": "Adjustments to Additional Paid in Capital, Stock Issued, Issuance Costs", "documentation": "Amount of decrease in additional paid in capital (APIC) resulting from direct costs associated with issuing stock. Includes, but is not limited to, legal and accounting fees and direct costs associated with stock issues under a shelf registration." } } }, "auth_ref": [ "r28", "r169" ] }, "us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfCashFlows", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureParentCompanyOnlyFinancialStatementsSummaryOfCondensedFinancialStatementsOfParentHoldingCompanyDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Adjustments to reconcile net loss to net cash from operating activities:", "label": "Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract]" } } }, "auth_ref": [] }, "us-gaap_AdvancePaymentsByBorrowersForTaxesAndInsurance": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "AdvancePaymentsByBorrowersForTaxesAndInsurance", "crdr": "credit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedBalanceSheets": { "parentTag": "us-gaap_Liabilities", "weight": 1.0, "order": 1.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedBalanceSheets", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/FairValueSummaryOfCarryingValuesAndEstimatedFairValuesOfFinancialInstrumentsDetail" ], "lang": { "en-us": { "role": { "verboseLabel": "Advance payments by borrowers for taxes and insurance", "terseLabel": "Advance payments by borrowers for taxes and insurance", "label": "Advance Payments by Borrowers for Taxes and Insurance", "documentation": "Carrying amount of accumulated prepayments received by financial institutions from borrowers for taxes (for example, property taxes) and insurance (for example, property and catastrophe) which will periodically be remitted to the appropriate governmental agency or vendor on behalf of the borrower." } } }, "auth_ref": [ "r130" ] }, "bcow_AdvancedStructuredNotePaymentsDueMonthlyMaturingApril2030Member": { "xbrltype": "domainItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "AdvancedStructuredNotePaymentsDueMonthlyMaturingApril2030Member", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/FhlbAdvancesAndOtherBorrowingsSummaryOfFederalHomeLoanBankAdvancesDetail" ], "lang": { "en-us": { "role": { "label": "Advanced structured note, payments due monthly, maturing April 2030 [Member]", "documentation": "Advanced structured note, payments due monthly, maturing April 2030." } } }, "auth_ref": [] }, "bcow_AdvancedStructuredNotePaymentsDueMonthlyMaturingMay2030Member": { "xbrltype": "domainItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "AdvancedStructuredNotePaymentsDueMonthlyMaturingMay2030Member", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/FhlbAdvancesAndOtherBorrowingsSummaryOfFederalHomeLoanBankAdvancesDetail" ], "lang": { "en-us": { "role": { "label": "Advanced structured note, payments due monthly, maturing May 2030 [Member]", "documentation": "Advanced structured note, payments due monthly, maturing May 2030." } } }, "auth_ref": [] }, "us-gaap_AdvancesFromFederalHomeLoanBanks": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "AdvancesFromFederalHomeLoanBanks", "crdr": "credit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedBalanceSheets": { "parentTag": "us-gaap_Liabilities", "weight": 1.0, "order": 2.0 }, "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/FhlbAdvancesAndOtherBorrowingsScheduleOfMaturitiesOfFederalHomeLoanBankAdvancesDetail": { "parentTag": null, "weight": null, "order": null, "root": true } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedBalanceSheets", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/FairValueSummaryOfCarryingValuesAndEstimatedFairValuesOfFinancialInstrumentsDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/FhlbAdvancesAndOtherBorrowingsScheduleOfMaturitiesOfFederalHomeLoanBankAdvancesDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/FhlbAdvancesAndOtherBorrowingsSummaryOfFederalHomeLoanBankAdvancesDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/SummaryOfSignificantAccountingPoliciesAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "verboseLabel": "FHLB Advances, total", "totalLabel": "Total", "terseLabel": "FHLB advances", "label": "Advance from Federal Home Loan Bank", "documentation": "Amount of borrowings as of the balance sheet date from the Federal Home Loan Bank, which are primarily used to cover shortages in the required reserve balance and liquidity shortages." } } }, "auth_ref": [ "r212" ] }, "bcow_AdvancesPaidInFullAsOfFilingMember": { "xbrltype": "domainItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "AdvancesPaidInFullAsOfFilingMember", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/SummaryOfSignificantAccountingPoliciesAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "documentation": "Advances paid in full as of filing.", "label": "Advances Paid In Full As Of Filing [Member]", "terseLabel": "Advances paid in full as of Filing" } } }, "auth_ref": [] }, "us-gaap_AdvertisingCostsPolicyTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "AdvertisingCostsPolicyTextBlock", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/SummaryOfSignificantAccountingPoliciesPolicies" ], "lang": { "en-us": { "role": { "verboseLabel": "Advertising", "label": "Advertising Cost [Policy Text Block]", "documentation": "Disclosure of accounting policy for advertising cost." } } }, "auth_ref": [ "r227" ] }, "ecd_AggtErrCompAmt": { "xbrltype": "monetaryItemType", "nsuri": "http://xbrl.sec.gov/ecd/2023", "localname": "AggtErrCompAmt", "presentation": [ "http://xbrl.sec.gov/ecd/role/ErrCompDisclosure" ], "lang": { "en-us": { "role": { "label": "Aggregate Erroneous Compensation Amount", "terseLabel": "Aggregate Erroneous Compensation Amount" } } }, "auth_ref": [ "r989", "r1001", "r1011", "r1037" ] }, "ecd_AggtErrCompNotYetDeterminedTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://xbrl.sec.gov/ecd/2023", "localname": "AggtErrCompNotYetDeterminedTextBlock", "presentation": [ "http://xbrl.sec.gov/ecd/role/ErrCompDisclosure" ], "lang": { "en-us": { "role": { "label": "Aggregate Erroneous Compensation Not Yet Determined [Text Block]", "terseLabel": "Aggregate Erroneous Compensation Not Yet Determined" } } }, "auth_ref": [ "r992", "r1004", "r1014", "r1040" ] }, "ecd_AllAdjToCompMember": { "xbrltype": "domainItemType", "nsuri": "http://xbrl.sec.gov/ecd/2023", "localname": "AllAdjToCompMember", "presentation": [ "http://xbrl.sec.gov/ecd/role/PvpDisclosure" ], "lang": { "en-us": { "role": { "label": "All Adjustments to Compensation [Member]", "terseLabel": "All Adjustments to Compensation" } } }, "auth_ref": [ "r1025" ] }, "ecd_AllExecutiveCategoriesMember": { "xbrltype": "domainItemType", "nsuri": "http://xbrl.sec.gov/ecd/2023", "localname": "AllExecutiveCategoriesMember", "presentation": [ "http://xbrl.sec.gov/ecd/role/PvpDisclosure" ], "lang": { "en-us": { "role": { "label": "All Executive Categories [Member]", "terseLabel": "All Executive Categories" } } }, "auth_ref": [ "r1032" ] }, "ecd_AllIndividualsMember": { "xbrltype": "domainItemType", "nsuri": "http://xbrl.sec.gov/ecd/2023", "localname": "AllIndividualsMember", "presentation": [ "http://xbrl.sec.gov/ecd/role/AwardTimingDisclosure", "http://xbrl.sec.gov/ecd/role/ErrCompDisclosure", "http://xbrl.sec.gov/ecd/role/InsiderTradingArrangements", "http://xbrl.sec.gov/ecd/role/PvpDisclosure" ], "lang": { "en-us": { "role": { "label": "All Individuals [Member]", "terseLabel": "All Individuals" } } }, "auth_ref": [ "r996", "r1005", "r1015", "r1032", "r1041", "r1045", "r1053" ] }, "ecd_AllTradingArrangementsMember": { "xbrltype": "domainItemType", "nsuri": "http://xbrl.sec.gov/ecd/2023", "localname": "AllTradingArrangementsMember", "presentation": [ "http://xbrl.sec.gov/ecd/role/InsiderTradingArrangements" ], "lang": { "en-us": { "role": { "label": "All Trading Arrangements [Member]", "terseLabel": "All Trading Arrangements" } } }, "auth_ref": [ "r1051" ] }, "us-gaap_AllocatedShareBasedCompensationExpense": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "AllocatedShareBasedCompensationExpense", "crdr": "debit", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/StockBasedCompensationAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Stock option expense recognised", "label": "Share-Based Payment Arrangement, Expense", "documentation": "Amount of expense for award under share-based payment arrangement. Excludes amount capitalized." } } }, "auth_ref": [ "r548", "r556" ] }, "bcow_AllowanceForCreditLossesForLoansAndUnfundedLoanCommitmentsAmount": { "xbrltype": "monetaryItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "AllowanceForCreditLossesForLoansAndUnfundedLoanCommitmentsAmount", "crdr": "credit", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureLoansSummaryOfActivityInAllowanceForLoanAndLeaseLossesDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Total Allowance for credit losses for loans and unfunded loan commitments", "label": "Allowance For Credit Losses For Loans and Unfunded Loan Commitments Amount", "documentation": "Allowance for credit losses for loans and unfunded loan commitments amount." } } }, "auth_ref": [] }, "us-gaap_AllowanceForCreditLossesOnFinancingReceivablesTableTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "AllowanceForCreditLossesOnFinancingReceivablesTableTextBlock", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/LoansTables" ], "lang": { "en-us": { "role": { "verboseLabel": "Summary of Activity in Allowance for Loan and Lease Losses", "terseLabel": "Summary of Activity in Allowance for Loan and Lease Losses and Allowance for Credit Losses for Unfunded Loan Commitments", "label": "Financing Receivable, Allowance for Credit Loss [Table Text Block]", "documentation": "Tabular disclosure of allowance for credit loss on financing receivable." } } }, "auth_ref": [ "r75", "r1158" ] }, "us-gaap_AlternativeInvestmentMeasurementInput": { "xbrltype": "decimalItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "AlternativeInvestmentMeasurementInput", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/FairValueScheduleOfQuantitativeInformationAboutNonrecurringLevel3FairValueMeasurementsDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Discount rates", "label": "Alternative Investment, Measurement Input", "documentation": "Value of input used to measure alternative investment." } } }, "auth_ref": [ "r628" ] }, "dei_AmendmentFlag": { "xbrltype": "booleanItemType", "nsuri": "http://xbrl.sec.gov/dei/2023", "localname": "AmendmentFlag", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/CoverPage" ], "lang": { "en-us": { "role": { "terseLabel": "Amendment Flag", "label": "Amendment Flag", "documentation": "Boolean flag that is true when the XBRL content amends previously-filed or accepted submission." } } }, "auth_ref": [] }, "bcow_AmountOfIncreaseInCreditLossAllowance": { "xbrltype": "monetaryItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "AmountOfIncreaseInCreditLossAllowance", "crdr": "debit", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/SummaryOfSignificantAccountingPoliciesAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Amount of increase in credit loss for loans allowance", "documentation": "Amount of increase in credit loss allowance", "label": "Amount Of Increase In Credit Loss Allowance" } } }, "auth_ref": [] }, "bcow_AnnualGrossRevenueBenchmarkToQualifyAsEmergingGrowthCompany": { "xbrltype": "monetaryItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "AnnualGrossRevenueBenchmarkToQualifyAsEmergingGrowthCompany", "crdr": "credit", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/SummaryOfSignificantAccountingPoliciesAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Annual gross revenue benchmark to qualify as emerging growth company", "label": "Annual Gross Revenue Benchmark To Qualify As Emerging Growth Company", "documentation": "Annual gross revenue benchmark to qualify as emerging growth company." } } }, "auth_ref": [] }, "us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount": { "xbrltype": "sharesItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureEarningsLossPerShareEpsAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount", "label": "Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount", "documentation": "Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented." } } }, "auth_ref": [ "r342" ] }, "us-gaap_AssetBackedSecuritiesMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "AssetBackedSecuritiesMember", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/AvailableForSaleSecuritiesSummaryOfAmortizedCostsAndFairValueOfSecuritiesAvailableForSaleDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/AvailableForSaleSecuritiesSummaryOfAmortizedCostsAndFairValuesOfSecuritiesAvailableForSaleByContractualMaturityDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/AvailableForSaleSecuritiesSummaryOfGrossUnrealizedLossesOnSecuritiesAvailableForSaleAndFairValuesDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureAvailableForSaleSecuritiesSummaryOfNumberOfDebtSecuritiesInAnUnrealizedLossPositionAndTheAggregateDepreciationDetails", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/FairValueSummaryOfAssetsMeasuredAtFairValueOnARecurringBasisDetail" ], "lang": { "en-us": { "role": { "verboseLabel": "Asset-backed securities [Member]", "terseLabel": "Asset-backed Securities [Member]", "label": "Asset-Backed Securities [Member]", "documentation": "Securities that are primarily serviced by the cash flows of a discrete pool of receivables or other financial assets for example, but not limited to, credit card receivables, car loans, recreational vehicle loans, and mobile home loans." } } }, "auth_ref": [ "r953", "r1142", "r1147", "r1148" ] }, "us-gaap_AssetPledgedAsCollateralWithoutRightMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "AssetPledgedAsCollateralWithoutRightMember", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/FhlbAdvancesAndOtherBorrowingsAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "label": "Asset Pledged as Collateral without Right [Member]", "documentation": "Asset pledged as collateral for which secured party (transferee) does not have right to sell or repledge by contract or custom." } } }, "auth_ref": [ "r591", "r710", "r711" ] }, "us-gaap_Assets": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "Assets", "crdr": "debit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedBalanceSheets": { "parentTag": null, "weight": null, "order": null, "root": true }, "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureParentCompanyOnlyFinancialStatementsSummaryOfCondensedFinancialStatementsOfParentHoldingCompanyDetail": { "parentTag": null, "weight": null, "order": null, "root": true } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedBalanceSheets", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureParentCompanyOnlyFinancialStatementsSummaryOfCondensedFinancialStatementsOfParentHoldingCompanyDetail" ], "lang": { "en-us": { "role": { "totalLabel": "TOTAL ASSETS", "label": "Assets", "documentation": "Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events." } } }, "auth_ref": [ "r188", "r273", "r306", "r349", "r353", "r355", "r407", "r453", "r454", "r455", "r456", "r457", "r458", "r459", "r460", "r461", "r591", "r595", "r638", "r780", "r868", "r963", "r977", "r1170", "r1171", "r1222" ] }, "us-gaap_AssetsAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "AssetsAbstract", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedBalanceSheets", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureParentCompanyOnlyFinancialStatementsSummaryOfCondensedFinancialStatementsOfParentHoldingCompanyDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/FairValueSummaryOfCarryingValuesAndEstimatedFairValuesOfFinancialInstrumentsDetail" ], "lang": { "en-us": { "role": { "verboseLabel": "Financial assets:", "terseLabel": "Assets", "label": "Assets [Abstract]" } } }, "auth_ref": [] }, "us-gaap_AssetsFairValueDisclosure": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "AssetsFairValueDisclosure", "crdr": "debit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/FairValueSummaryOfAssetsMeasuredAtFairValueOnARecurringBasisDetail": { "parentTag": null, "weight": null, "order": null, "root": true } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/FairValueSummaryOfAssetsMeasuredAtFairValueOnARecurringBasisDetail" ], "lang": { "en-us": { "role": { "totalLabel": "Total", "terseLabel": "Total", "label": "Assets, Fair Value Disclosure", "documentation": "Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events." } } }, "auth_ref": [ "r118" ] }, "dei_AuditorFirmId": { "xbrltype": "nonemptySequenceNumberItemType", "nsuri": "http://xbrl.sec.gov/dei/2023", "localname": "AuditorFirmId", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/CoverPage" ], "lang": { "en-us": { "role": { "label": "Auditor Firm ID", "documentation": "PCAOB issued Audit Firm Identifier" } } }, "auth_ref": [ "r983", "r984", "r997" ] }, "dei_AuditorLocation": { "xbrltype": "internationalNameItemType", "nsuri": "http://xbrl.sec.gov/dei/2023", "localname": "AuditorLocation", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/CoverPage" ], "lang": { "en-us": { "role": { "label": "Auditor Location" } } }, "auth_ref": [ "r983", "r984", "r997" ] }, "dei_AuditorName": { "xbrltype": "internationalNameItemType", "nsuri": "http://xbrl.sec.gov/dei/2023", "localname": "AuditorName", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/CoverPage" ], "lang": { "en-us": { "role": { "label": "Auditor Name" } } }, "auth_ref": [ "r983", "r984", "r997" ] }, "us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax", "crdr": "credit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/AvailableForSaleSecuritiesSummaryOfAmortizedCostsAndFairValueOfSecuritiesAvailableForSaleDetail": { "parentTag": "us-gaap_DebtSecuritiesAvailableForSaleAmortizedCostAfterAllowanceForCreditLoss", "weight": -1.0, "order": 0.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/AvailableForSaleSecuritiesSummaryOfAmortizedCostsAndFairValueOfSecuritiesAvailableForSaleDetail" ], "lang": { "en-us": { "role": { "label": "Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Gain, before Tax", "terseLabel": "Securities Available for Sale, Gross Unrealized Gains", "documentation": "Amount, before tax, of unrealized gain in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale)." } } }, "auth_ref": [ "r379" ] }, "us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax", "crdr": "debit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/AvailableForSaleSecuritiesSummaryOfAmortizedCostsAndFairValueOfSecuritiesAvailableForSaleDetail": { "parentTag": "us-gaap_DebtSecuritiesAvailableForSaleAmortizedCostAfterAllowanceForCreditLoss", "weight": 1.0, "order": 1.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/AvailableForSaleSecuritiesSummaryOfAmortizedCostsAndFairValueOfSecuritiesAvailableForSaleDetail" ], "lang": { "en-us": { "role": { "label": "Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Loss, before Tax", "terseLabel": "Securities Available for Sale, Gross Unrealized Losses", "negatedLabel": "Securities Available for Sale, Gross Unrealized Losses", "documentation": "Amount, before tax, of unrealized loss in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale)." } } }, "auth_ref": [ "r380" ] }, "us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "AvailableForSaleDebtSecuritiesAmortizedCostBasis", "crdr": "debit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/AvailableForSaleSecuritiesSummaryOfAmortizedCostsAndFairValuesOfSecuritiesAvailableForSaleByContractualMaturityDetail": { "parentTag": null, "weight": null, "order": null, "root": true } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/AvailableForSaleSecuritiesSummaryOfAmortizedCostsAndFairValuesOfSecuritiesAvailableForSaleByContractualMaturityDetail" ], "lang": { "en-us": { "role": { "totalLabel": "Total", "label": "Debt Securities, Available-for-Sale, Amortized Cost", "documentation": "Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale)." } } }, "auth_ref": [ "r376", "r435", "r778" ] }, "us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost", "crdr": "debit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/AvailableForSaleSecuritiesSummaryOfAmortizedCostsAndFairValuesOfSecuritiesAvailableForSaleByContractualMaturityDetail": { "parentTag": "us-gaap_AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDateAmortizedCostBasis", "weight": 1.0, "order": 2.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/AvailableForSaleSecuritiesSummaryOfAmortizedCostsAndFairValuesOfSecuritiesAvailableForSaleByContractualMaturityDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Due after 5 through 10 years", "label": "Debt Securities, Available-for-Sale, Amortized Cost, Maturity, Allocated and Single Maturity Date, after Year 5 Through 10", "documentation": "Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity date, maturing in sixth through tenth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach)." } } }, "auth_ref": [ "r1145" ] }, "us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue", "crdr": "debit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/AvailableForSaleSecuritiesSummaryOfAmortizedCostsAndFairValuesOfSecuritiesAvailableForSaleByContractualMaturityDetail": { "parentTag": "us-gaap_AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDate", "weight": 1.0, "order": 2.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/AvailableForSaleSecuritiesSummaryOfAmortizedCostsAndFairValuesOfSecuritiesAvailableForSaleByContractualMaturityDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Due after 5 through 10 years", "label": "Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, after Year 5 Through 10", "documentation": "Fair value of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity date, maturing in sixth through tenth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach)." } } }, "auth_ref": [ "r385", "r763" ] }, "us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost", "crdr": "debit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/AvailableForSaleSecuritiesSummaryOfAmortizedCostsAndFairValuesOfSecuritiesAvailableForSaleByContractualMaturityDetail": { "parentTag": "us-gaap_AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDateAmortizedCostBasis", "weight": 1.0, "order": 1.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/AvailableForSaleSecuritiesSummaryOfAmortizedCostsAndFairValuesOfSecuritiesAvailableForSaleByContractualMaturityDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Due after one through 5 years", "label": "Debt Securities, Available-for-Sale, Amortized Cost, Maturity, Allocated and Single Maturity Date, after Year One Through Five", "documentation": "Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity date, maturing in second through fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach)." } } }, "auth_ref": [ "r1144" ] }, "us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue", "crdr": "debit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/AvailableForSaleSecuritiesSummaryOfAmortizedCostsAndFairValuesOfSecuritiesAvailableForSaleByContractualMaturityDetail": { "parentTag": "us-gaap_AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDate", "weight": 1.0, "order": 1.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/AvailableForSaleSecuritiesSummaryOfAmortizedCostsAndFairValuesOfSecuritiesAvailableForSaleByContractualMaturityDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Due after one through 5 years", "label": "Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, after Year One Through Five", "documentation": "Fair value of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity date, maturing in second through fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach)." } } }, "auth_ref": [ "r384", "r762" ] }, "us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost", "crdr": "debit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/AvailableForSaleSecuritiesSummaryOfAmortizedCostsAndFairValuesOfSecuritiesAvailableForSaleByContractualMaturityDetail": { "parentTag": "us-gaap_AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDateAmortizedCostBasis", "weight": 1.0, "order": 3.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/AvailableForSaleSecuritiesSummaryOfAmortizedCostsAndFairValuesOfSecuritiesAvailableForSaleByContractualMaturityDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Due after 10 years", "label": "Debt Securities, Available-for-Sale, Amortized Cost, Maturity, Allocated and Single Maturity Date, after Year 10", "documentation": "Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity date, maturing after tenth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach)." } } }, "auth_ref": [ "r1146" ] }, "us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue", "crdr": "debit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/AvailableForSaleSecuritiesSummaryOfAmortizedCostsAndFairValuesOfSecuritiesAvailableForSaleByContractualMaturityDetail": { "parentTag": "us-gaap_AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDate", "weight": 1.0, "order": 3.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/AvailableForSaleSecuritiesSummaryOfAmortizedCostsAndFairValuesOfSecuritiesAvailableForSaleByContractualMaturityDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Due after 10 years", "label": "Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, after Year 10", "documentation": "Fair value of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity date, maturing after tenth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach)." } } }, "auth_ref": [ "r386", "r764" ] }, "us-gaap_AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDate": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDate", "crdr": "debit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/AvailableForSaleSecuritiesSummaryOfAmortizedCostsAndFairValuesOfSecuritiesAvailableForSaleByContractualMaturityDetail": { "parentTag": "us-gaap_AvailableForSaleSecuritiesDebtSecurities", "weight": 1.0, "order": 0.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/AvailableForSaleSecuritiesSummaryOfAmortizedCostsAndFairValuesOfSecuritiesAvailableForSaleByContractualMaturityDetail" ], "lang": { "en-us": { "role": { "totalLabel": "Total debt and other securities, Fair Value", "label": "Debt Securities, Available-for-Sale, Maturity, Allocated and Single Maturity Date, Fair Value", "terseLabel": "Total debt and other securities, Fair Value", "documentation": "Fair value of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity date." } } }, "auth_ref": [ "r1141", "r1142", "r1235" ] }, "us-gaap_AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDateAmortizedCostBasis": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDateAmortizedCostBasis", "crdr": "debit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/AvailableForSaleSecuritiesSummaryOfAmortizedCostsAndFairValuesOfSecuritiesAvailableForSaleByContractualMaturityDetail": { "parentTag": "us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis", "weight": 1.0, "order": 0.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/AvailableForSaleSecuritiesSummaryOfAmortizedCostsAndFairValuesOfSecuritiesAvailableForSaleByContractualMaturityDetail" ], "lang": { "en-us": { "role": { "totalLabel": "Total debt and other securities, Amortized Cost", "label": "Debt Securities, Available-for-Sale, Maturity, Allocated and Single Maturity Date, Amortized Cost", "terseLabel": "Total debt and other securities, Amortized Cost", "documentation": "Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity date." } } }, "auth_ref": [ "r1141", "r1142", "r1234" ] }, "us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost", "crdr": "debit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/AvailableForSaleSecuritiesSummaryOfAmortizedCostsAndFairValuesOfSecuritiesAvailableForSaleByContractualMaturityDetail": { "parentTag": "us-gaap_AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDateAmortizedCostBasis", "weight": 1.0, "order": 0.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/AvailableForSaleSecuritiesSummaryOfAmortizedCostsAndFairValuesOfSecuritiesAvailableForSaleByContractualMaturityDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Due in one year or less", "label": "Debt Securities, Available-for-Sale, Amortized Cost, Maturity, Allocated and Single Maturity Date, Year One", "documentation": "Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity date, maturing in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach)." } } }, "auth_ref": [ "r1143" ] }, "us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue", "crdr": "debit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/AvailableForSaleSecuritiesSummaryOfAmortizedCostsAndFairValuesOfSecuritiesAvailableForSaleByContractualMaturityDetail": { "parentTag": "us-gaap_AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDate", "weight": 1.0, "order": 0.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/AvailableForSaleSecuritiesSummaryOfAmortizedCostsAndFairValuesOfSecuritiesAvailableForSaleByContractualMaturityDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Due in one year or less", "label": "Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, Year One", "documentation": "Fair value of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity date, maturing in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach)." } } }, "auth_ref": [ "r383", "r761" ] }, "us-gaap_AvailableForSaleSecuritiesDebtSecurities": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "AvailableForSaleSecuritiesDebtSecurities", "crdr": "debit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/FairValueSummaryOfAssetsMeasuredAtFairValueOnARecurringBasisDetail": { "parentTag": "us-gaap_AssetsFairValueDisclosure", "weight": 1.0, "order": 0.0 }, "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/AvailableForSaleSecuritiesSummaryOfAmortizedCostsAndFairValueOfSecuritiesAvailableForSaleDetail": { "parentTag": "us-gaap_DebtSecuritiesAvailableForSaleAmortizedCostAfterAllowanceForCreditLoss", "weight": 1.0, "order": 2.0 }, "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedBalanceSheets": { "parentTag": "us-gaap_Assets", "weight": 1.0, "order": 3.0 }, "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/AvailableForSaleSecuritiesSummaryOfAmortizedCostsAndFairValuesOfSecuritiesAvailableForSaleByContractualMaturityDetail": { "parentTag": null, "weight": null, "order": null, "root": true } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/AvailableForSaleSecuritiesSummaryOfAmortizedCostsAndFairValueOfSecuritiesAvailableForSaleDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/AvailableForSaleSecuritiesSummaryOfAmortizedCostsAndFairValuesOfSecuritiesAvailableForSaleByContractualMaturityDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedBalanceSheets", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/FairValueSummaryOfAssetsMeasuredAtFairValueOnARecurringBasisDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/FairValueSummaryOfCarryingValuesAndEstimatedFairValuesOfFinancialInstrumentsDetail" ], "lang": { "en-us": { "role": { "verboseLabel": "Available-for-sale securities, stated at fair value (amortized cost $119,055 and $130,233)", "label": "Securities available-for-sale", "totalLabel": "Total", "terseLabel": "Available for sale securities", "documentation": "Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale)." } } }, "auth_ref": [ "r377", "r435", "r755", "r1138" ] }, "us-gaap_AvailableForSaleSecuritiesPurchasedOptionsPricePolicy": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "AvailableForSaleSecuritiesPurchasedOptionsPricePolicy", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/SummaryOfSignificantAccountingPoliciesPolicies" ], "lang": { "en-us": { "role": { "terseLabel": "Credit Losses for Available-for-Sale Securities", "label": "Debt Securities, Available-for-Sale, Premium on Purchased Options [Policy Text Block]", "documentation": "Disclosure of accounting policy for premium paid to acquire option for investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale)." } } }, "auth_ref": [ "r115" ] }, "bcow_AvailableFutureDrawings": { "xbrltype": "monetaryItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "AvailableFutureDrawings", "crdr": "credit", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/LoansAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Available future draws", "label": "Available Future Drawings", "documentation": "Available future drawings" } } }, "auth_ref": [] }, "ecd_AwardExrcPrice": { "xbrltype": "perShareItemType", "nsuri": "http://xbrl.sec.gov/ecd/2023", "localname": "AwardExrcPrice", "presentation": [ "http://xbrl.sec.gov/ecd/role/AwardTimingDisclosure" ], "lang": { "en-us": { "role": { "label": "Award Exercise Price", "terseLabel": "Exercise Price" } } }, "auth_ref": [ "r1048" ] }, "ecd_AwardGrantDateFairValue": { "xbrltype": "monetaryItemType", "nsuri": "http://xbrl.sec.gov/ecd/2023", "localname": "AwardGrantDateFairValue", "presentation": [ "http://xbrl.sec.gov/ecd/role/AwardTimingDisclosure" ], "lang": { "en-us": { "role": { "label": "Award Grant Date Fair Value", "terseLabel": "Fair Value as of Grant Date" } } }, "auth_ref": [ "r1049" ] }, "ecd_AwardTmgDiscLineItems": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/ecd/2023", "localname": "AwardTmgDiscLineItems", "lang": { "en-us": { "role": { "label": "Award Timing Disclosures [Line Items]", "terseLabel": "Award Timing Disclosures" } } }, "auth_ref": [ "r1044" ] }, "ecd_AwardTmgHowMnpiCnsdrdTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://xbrl.sec.gov/ecd/2023", "localname": "AwardTmgHowMnpiCnsdrdTextBlock", "presentation": [ "http://xbrl.sec.gov/ecd/role/AwardTimingDisclosure" ], "lang": { "en-us": { "role": { "label": "Award Timing, How MNPI Considered [Text Block]", "terseLabel": "Award Timing, How MNPI Considered" } } }, "auth_ref": [ "r1044" ] }, "ecd_AwardTmgMethodTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://xbrl.sec.gov/ecd/2023", "localname": "AwardTmgMethodTextBlock", "presentation": [ "http://xbrl.sec.gov/ecd/role/AwardTimingDisclosure" ], "lang": { "en-us": { "role": { "label": "Award Timing Method [Text Block]", "terseLabel": "Award Timing Method" } } }, "auth_ref": [ "r1044" ] }, "ecd_AwardTmgMnpiCnsdrdFlag": { "xbrltype": "booleanItemType", "nsuri": "http://xbrl.sec.gov/ecd/2023", "localname": "AwardTmgMnpiCnsdrdFlag", "presentation": [ "http://xbrl.sec.gov/ecd/role/AwardTimingDisclosure" ], "lang": { "en-us": { "role": { "label": "Award Timing MNPI Considered [Flag]", "terseLabel": "Award Timing MNPI Considered" } } }, "auth_ref": [ "r1044" ] }, "ecd_AwardTmgMnpiDiscTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://xbrl.sec.gov/ecd/2023", "localname": "AwardTmgMnpiDiscTextBlock", "presentation": [ "http://xbrl.sec.gov/ecd/role/AwardTimingDisclosure" ], "lang": { "en-us": { "role": { "label": "Award Timing MNPI Disclosure [Text Block]", "terseLabel": "Award Timing MNPI Disclosure" } } }, "auth_ref": [ "r1044" ] }, "ecd_AwardTmgPredtrmndFlag": { "xbrltype": "booleanItemType", "nsuri": "http://xbrl.sec.gov/ecd/2023", "localname": "AwardTmgPredtrmndFlag", "presentation": [ "http://xbrl.sec.gov/ecd/role/AwardTimingDisclosure" ], "lang": { "en-us": { "role": { "label": "Award Timing Predetermined [Flag]", "terseLabel": "Award Timing Predetermined" } } }, "auth_ref": [ "r1044" ] }, "us-gaap_AwardTypeAxis": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "AwardTypeAxis", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/StockBasedCompensationAdditionalInformationDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/StockBasedCompensationSummaryOfRestrictedStockUnitActivityParentheticalDetail", "http://xbrl.sec.gov/ecd/role/AwardTimingDisclosure" ], "lang": { "en-us": { "role": { "label": "Award Type [Axis]", "terseLabel": "Award Type", "documentation": "Information by type of award under share-based payment arrangement." } } }, "auth_ref": [ "r522", "r523", "r524", "r525", "r526", "r527", "r528", "r529", "r530", "r531", "r532", "r533", "r534", "r535", "r536", "r537", "r538", "r539", "r540", "r541", "r542", "r543", "r544", "r545", "r546", "r547" ] }, "ecd_AwardUndrlygSecuritiesAmt": { "xbrltype": "decimalItemType", "nsuri": "http://xbrl.sec.gov/ecd/2023", "localname": "AwardUndrlygSecuritiesAmt", "presentation": [ "http://xbrl.sec.gov/ecd/role/AwardTimingDisclosure" ], "lang": { "en-us": { "role": { "label": "Award Underlying Securities Amount", "terseLabel": "Underlying Securities" } } }, "auth_ref": [ "r1047" ] }, "ecd_AwardsCloseToMnpiDiscIndName": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/ecd/2023", "localname": "AwardsCloseToMnpiDiscIndName", "presentation": [ "http://xbrl.sec.gov/ecd/role/AwardTimingDisclosure" ], "lang": { "en-us": { "role": { "label": "Awards Close in Time to MNPI Disclosures, Individual Name", "terseLabel": "Name" } } }, "auth_ref": [ "r1046" ] }, "ecd_AwardsCloseToMnpiDiscTable": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/ecd/2023", "localname": "AwardsCloseToMnpiDiscTable", "presentation": [ "http://xbrl.sec.gov/ecd/role/AwardTimingDisclosure" ], "lang": { "en-us": { "role": { "label": "Awards Close in Time to MNPI Disclosures [Table]", "terseLabel": "Awards Close in Time to MNPI Disclosures" } } }, "auth_ref": [ "r1045" ] }, "ecd_AwardsCloseToMnpiDiscTableTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://xbrl.sec.gov/ecd/2023", "localname": "AwardsCloseToMnpiDiscTableTextBlock", "presentation": [ "http://xbrl.sec.gov/ecd/role/AwardTimingDisclosure" ], "lang": { "en-us": { "role": { "label": "Awards Close in Time to MNPI Disclosures [Table Text Block]", "terseLabel": "Awards Close in Time to MNPI Disclosures, Table" } } }, "auth_ref": [ "r1045" ] }, "us-gaap_BalanceSheetLocationAxis": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "BalanceSheetLocationAxis", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosurePremisesAndEquipmentAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "label": "Balance Sheet Location [Axis]", "documentation": "Information by location on balance sheet (statement of financial position)." } } }, "auth_ref": [] }, "us-gaap_BalanceSheetLocationDomain": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "BalanceSheetLocationDomain", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosurePremisesAndEquipmentAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "label": "Balance Sheet Location [Domain]", "documentation": "Location in the balance sheet (statement of financial position)." } } }, "auth_ref": [ "r113", "r114" ] }, "bcow_BmoHarrisBankMember": { "xbrltype": "domainItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "BmoHarrisBankMember", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/FhlbAdvancesAndOtherBorrowingsAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "label": "BMO Harris Bank [Member]", "documentation": "BMO harris bank." } } }, "auth_ref": [] }, "us-gaap_BuildingMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "BuildingMember", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosurePremisesAndEquipmentSummaryOfPremisesAndEquipmentDetail" ], "lang": { "en-us": { "role": { "label": "Building [Member]", "documentation": "Facility held for productive use including, but not limited to, office, production, storage and distribution facilities." } } }, "auth_ref": [ "r167" ] }, "us-gaap_Capital": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "Capital", "crdr": "credit", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/EquityAndRegulatoryMattersScheduleOfBanksActualAndRequiredCapitalAmountsAndRatiosDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Common Equity Tier 1 risk based capital actual amount", "label": "Banking Regulation, Total Capital, Actual", "documentation": "Amount of total capital as defined by regulatory framework." } } }, "auth_ref": [ "r769" ] }, "bcow_CapitalContributionToBankSubsidiary": { "xbrltype": "monetaryItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "CapitalContributionToBankSubsidiary", "crdr": "credit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureParentCompanyOnlyFinancialStatementsSummaryOfCondensedFinancialStatementsOfParentHoldingCompanyDetail3": { "parentTag": "us-gaap_NetCashProvidedByUsedInInvestingActivities", "weight": -1.0, "order": 0.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureParentCompanyOnlyFinancialStatementsSummaryOfCondensedFinancialStatementsOfParentHoldingCompanyDetail" ], "lang": { "en-us": { "role": { "documentation": "Capital contribution to bank subsidiary.", "label": "Capital Contribution To Bank Subsidiary", "negatedLabel": "Capital contribution to bank subsidiary" } } }, "auth_ref": [] }, "us-gaap_CapitalRequiredForCapitalAdequacy": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "CapitalRequiredForCapitalAdequacy", "crdr": "credit", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/EquityAndRegulatoryMattersScheduleOfBanksActualAndRequiredCapitalAmountsAndRatiosDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Common Equity Tier 1 risk based capital for capital adequacy purposes amount", "label": "Banking Regulation, Total Risk-Based Capital, Capital Adequacy, Minimum", "documentation": "Amount of minimum total risk-based capital required for capital adequacy as defined by regulatory framework." } } }, "auth_ref": [ "r769", "r773" ] }, "us-gaap_CapitalRequiredForCapitalAdequacyToRiskWeightedAssets": { "xbrltype": "pureItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "CapitalRequiredForCapitalAdequacyToRiskWeightedAssets", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/EquityAndRegulatoryMattersScheduleOfBanksActualAndRequiredCapitalAmountsAndRatiosDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Common Equity Tier 1 risk based capital for capital adequacy purposes ratio", "label": "Banking Regulation, Total Risk-Based Capital Ratio, Capital Adequacy, Minimum", "documentation": "Ratio of minimum total risk-based capital to risk-weighted assets required for capital adequacy as defined by regulatory framework." } } }, "auth_ref": [ "r769", "r773" ] }, "us-gaap_CapitalRequiredToBeWellCapitalized": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "CapitalRequiredToBeWellCapitalized", "crdr": "credit", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/EquityAndRegulatoryMattersScheduleOfBanksActualAndRequiredCapitalAmountsAndRatiosDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Common Equity Tier 1 risk based capital to be well capitalized under prompt corrective action provisions amount", "label": "Banking Regulation, Total Risk-Based Capital, Well Capitalized, Minimum", "documentation": "Amount of minimum total risk-based capital categorized as well capitalized as defined by regulatory framework for prompt corrective action." } } }, "auth_ref": [ "r769" ] }, "us-gaap_CapitalRequiredToBeWellCapitalizedToRiskWeightedAssets": { "xbrltype": "pureItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "CapitalRequiredToBeWellCapitalizedToRiskWeightedAssets", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/EquityAndRegulatoryMattersScheduleOfBanksActualAndRequiredCapitalAmountsAndRatiosDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Common Equity Tier 1 risk based capital to be well capitalized under prompt corrective action provisions ratio", "label": "Banking Regulation, Total Risk-Based Capital Ratio, Well Capitalized, Minimum", "documentation": "Ratio of minimum total risk-based capital to risk-weighted assets categorized as well capitalized as defined by regulatory framework for prompt corrective action." } } }, "auth_ref": [ "r769" ] }, "us-gaap_CapitalToRiskWeightedAssets": { "xbrltype": "pureItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "CapitalToRiskWeightedAssets", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/EquityAndRegulatoryMattersScheduleOfBanksActualAndRequiredCapitalAmountsAndRatiosDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Common Equity Tier 1 risk based capital actual ratio", "label": "Banking Regulation, Total Risk-Based Capital Ratio, Actual", "documentation": "Ratio of total risk-based capital to risk-weighted assets as defined by regulatory framework." } } }, "auth_ref": [ "r769" ] }, "us-gaap_CarryingReportedAmountFairValueDisclosureMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "CarryingReportedAmountFairValueDisclosureMember", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/FairValueSummaryOfCarryingValuesAndEstimatedFairValuesOfFinancialInstrumentsDetail" ], "lang": { "en-us": { "role": { "label": "Reported Value Measurement [Member]", "documentation": "Measured as reported on the statement of financial position (balance sheet)." } } }, "auth_ref": [ "r120", "r121" ] }, "us-gaap_CashAndCashEquivalentsAtCarryingValue": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "CashAndCashEquivalentsAtCarryingValue", "crdr": "debit", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/FairValueSummaryOfCarryingValuesAndEstimatedFairValuesOfFinancialInstrumentsDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Cash and cash equivalents", "label": "Cash and Cash Equivalents, at Carrying Value", "totalLabel": "Cash and Cash Equivalents, at Carrying Value, Total", "documentation": "Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation." } } }, "auth_ref": [ "r62", "r269", "r924" ] }, "us-gaap_CashAndCashEquivalentsDisclosureTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "CashAndCashEquivalentsDisclosureTextBlock", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/CashAndDueFromBanks" ], "lang": { "en-us": { "role": { "terseLabel": "Cash and Due from Banks", "label": "Cash and Cash Equivalents Disclosure [Text Block]", "documentation": "The entire disclosure for cash and cash equivalent footnotes, which may include the types of deposits and money market instruments, applicable carrying amounts, restricted amounts and compensating balance arrangements. Cash and equivalents include: (1) currency on hand (2) demand deposits with banks or financial institutions (3) other kinds of accounts that have the general characteristics of demand deposits (4) short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Generally, only investments maturing within three months from the date of acquisition qualify." } } }, "auth_ref": [ "r269", "r781" ] }, "us-gaap_CashAndCashEquivalentsPolicyTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "CashAndCashEquivalentsPolicyTextBlock", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/SummaryOfSignificantAccountingPoliciesPolicies" ], "lang": { "en-us": { "role": { "verboseLabel": "Cash and Cash Equivalents", "label": "Cash and Cash Equivalents, Policy [Policy Text Block]", "documentation": "Disclosure of accounting policy for cash and cash equivalents, including the policy for determining which items are treated as cash equivalents. Other information that may be disclosed includes (1) the nature of any restrictions on the entity's use of its cash and cash equivalents, (2) whether the entity's cash and cash equivalents are insured or expose the entity to credit risk, (3) the classification of any negative balance accounts (overdrafts), and (4) the carrying basis of cash equivalents (for example, at cost) and whether the carrying amount of cash equivalents approximates fair value." } } }, "auth_ref": [ "r64" ] }, "us-gaap_CashAndDueFromBanks": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "CashAndDueFromBanks", "crdr": "debit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedBalanceSheets": { "parentTag": "us-gaap_CashCashEquivalentsAndFederalFundsSold", "weight": 1.0, "order": 0.0 }, "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureParentCompanyOnlyFinancialStatementsSummaryOfCondensedFinancialStatementsOfParentHoldingCompanyDetail": { "parentTag": "us-gaap_Assets", "weight": 1.0, "order": 1.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedBalanceSheets", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureParentCompanyOnlyFinancialStatementsSummaryOfCondensedFinancialStatementsOfParentHoldingCompanyDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Cash and due from banks", "label": "Cash and Due from Banks", "totalLabel": "Cash and Due from Banks, Total", "verboseLabel": "Cash in bank subsidiary", "documentation": "For banks and other depository institutions: Includes cash on hand (currency and coin), cash items in process of collection, noninterest bearing deposits due from other financial institutions (including corporate credit unions), and noninterest bearing balances with the Federal Reserve Banks, Federal Home Loan Banks and central banks." } } }, "auth_ref": [ "r186" ] }, "us-gaap_CashCashEquivalentsAndFederalFundsSold": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "CashCashEquivalentsAndFederalFundsSold", "crdr": "debit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedBalanceSheets": { "parentTag": "us-gaap_Assets", "weight": 1.0, "order": 0.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedBalanceSheets" ], "lang": { "en-us": { "role": { "totalLabel": "Cash and cash equivalents", "label": "Cash, Cash Equivalents, and Federal Funds Sold", "documentation": "The sum of cash and cash equivalents plus Federal Funds Sold. Cash and cash equivalents consist of short term, highly liquid investments that are readily convertible to known amounts of cash and are so near their maturity that they present negligible risk of changes in value due to changes in interest rates -- usually with an original maturity less than 90 days." } } }, "auth_ref": [ "r128" ] }, "us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations", "crdr": "debit", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfCashFlows", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureParentCompanyOnlyFinancialStatementsSummaryOfCondensedFinancialStatementsOfParentHoldingCompanyDetail" ], "lang": { "en-us": { "role": { "periodEndLabel": "Cash and cash equivalents at end of period", "periodStartLabel": "Cash and cash equivalents at beginning of period", "label": "Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Including Disposal Group and Discontinued Operations", "totalLabel": "Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Including Disposal Group and Discontinued Operations, Total", "documentation": "Amount of cash and cash equivalents, and cash and cash equivalents restricted to withdrawal or usage; including, but not limited to, disposal group and discontinued operations. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates." } } }, "auth_ref": [ "r62", "r155", "r304" ] }, "us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect", "crdr": "debit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureParentCompanyOnlyFinancialStatementsSummaryOfCondensedFinancialStatementsOfParentHoldingCompanyDetail3": { "parentTag": null, "weight": null, "order": null, "root": true }, "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfCashFlows": { "parentTag": null, "weight": null, "order": null, "root": true } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfCashFlows", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureParentCompanyOnlyFinancialStatementsSummaryOfCondensedFinancialStatementsOfParentHoldingCompanyDetail" ], "lang": { "en-us": { "role": { "totalLabel": "Net decrease in cash and cash equivalents", "label": "Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect", "documentation": "Amount of increase (decrease) in cash, cash equivalents, and cash and cash equivalents restricted to withdrawal or usage; including effect from exchange rate change. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates." } } }, "auth_ref": [ "r3", "r155" ] }, "us-gaap_CashFDICInsuredAmount": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "CashFDICInsuredAmount", "crdr": "debit", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/CashAndDueFromBanksAdditionalInformationDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DepositsAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Certificates of deposit federally insured", "label": "Cash, FDIC Insured Amount", "documentation": "The amount of cash deposited in financial institutions as of the balance sheet date that is insured by the Federal Deposit Insurance Corporation." } } }, "auth_ref": [] }, "bcow_CashReceivedInMhcMerger": { "xbrltype": "monetaryItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "CashReceivedInMhcMerger", "crdr": "credit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfCashFlows": { "parentTag": "us-gaap_NetCashProvidedByUsedInInvestingActivities", "weight": -1.0, "order": 12.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfCashFlows" ], "lang": { "en-us": { "role": { "negatedLabel": "Cash Received In MHC Merger", "label": "Cash Received In MHC Merger", "documentation": "Cash received in MHC merger." } } }, "auth_ref": [] }, "bcow_CashReserveRequirementPercentage": { "xbrltype": "percentItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "CashReserveRequirementPercentage", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/CashAndDueFromBanksAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Cash Reserve Requirement Percentage", "label": "Cash Reserve Requirement Percentage", "documentation": "Cash Reserve Requirement Percentage" } } }, "auth_ref": [] }, "us-gaap_CashSurrenderValueOfLifeInsurance": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "CashSurrenderValueOfLifeInsurance", "crdr": "debit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedBalanceSheets": { "parentTag": "us-gaap_Assets", "weight": 1.0, "order": 10.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedBalanceSheets", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/FairValueSummaryOfCarryingValuesAndEstimatedFairValuesOfFinancialInstrumentsDetail" ], "lang": { "en-us": { "role": { "verboseLabel": "Cash value of life insurance", "terseLabel": "Cash value of life insurance", "label": "Cash Surrender Value of Life Insurance", "documentation": "Carrying amount as of the balance sheet date of amounts which could be received based on the terms of the insurance contract upon surrendering life policies owned by the entity." } } }, "auth_ref": [ "r1102" ] }, "bcow_CeclAdoptionAdjustment": { "xbrltype": "monetaryItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "CeclAdoptionAdjustment", "crdr": "credit", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureLoansSummaryOfActivityInAllowanceForLoanAndLeaseLossesDetail" ], "lang": { "en-us": { "role": { "terseLabel": "CECL Adoption Adjustment", "label": "CECL Adoption Adjustment", "documentation": "CECL adoption adjustment." } } }, "auth_ref": [] }, "us-gaap_CertificatesOfDepositMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "CertificatesOfDepositMember", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/AvailableForSaleSecuritiesSummaryOfAmortizedCostsAndFairValueOfSecuritiesAvailableForSaleDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/AvailableForSaleSecuritiesSummaryOfGrossUnrealizedLossesOnSecuritiesAvailableForSaleAndFairValuesDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureAvailableForSaleSecuritiesSummaryOfNumberOfDebtSecuritiesInAnUnrealizedLossPositionAndTheAggregateDepreciationDetails", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/FairValueSummaryOfAssetsMeasuredAtFairValueOnARecurringBasisDetail" ], "lang": { "en-us": { "role": { "verboseLabel": "Certificates of deposit [Member]", "terseLabel": "Certificates of Deposit [Member]", "label": "Certificates of Deposit [Member]", "documentation": "Short to medium-term investment available at banks and savings and loan institutions where a customer agrees to lend money to the institution for a certain amount of time and is paid a predetermined rate of interest. Certificates of deposit (CD) are typically Federal Deposit Insurance Corporation (FDIC) insured." } } }, "auth_ref": [ "r17", "r971", "r972", "r973", "r974" ] }, "us-gaap_ChangeInAccountingPrincipleAccountingStandardsUpdateAdopted": { "xbrltype": "booleanItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "ChangeInAccountingPrincipleAccountingStandardsUpdateAdopted", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/SummaryOfSignificantAccountingPoliciesAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "label": "Change in Accounting Principle, Accounting Standards Update, Adopted [true false]", "documentation": "Indicates (true false) whether accounting standards update was adopted." } } }, "auth_ref": [ "r238", "r239", "r240", "r262", "r263", "r317", "r370", "r371", "r410", "r411", "r412", "r417", "r418", "r444", "r573", "r587", "r588", "r598", "r599", "r600", "r611", "r612", "r622", "r633", "r634", "r639", "r640", "r641", "r652", "r657", "r658", "r659", "r672", "r740", "r741", "r806", "r807" ] }, "us-gaap_ChangeInAccountingPrincipleAccountingStandardsUpdateAdoptionDate": { "xbrltype": "dateItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "ChangeInAccountingPrincipleAccountingStandardsUpdateAdoptionDate", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/SummaryOfSignificantAccountingPoliciesAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "label": "Change in Accounting Principle, Accounting Standards Update, Adoption Date", "documentation": "Date accounting standards update was adopted, in YYYY-MM-DD format." } } }, "auth_ref": [ "r238", "r239", "r240", "r262", "r263", "r370", "r371", "r410", "r411", "r412", "r417", "r418", "r419", "r444", "r573", "r587", "r588", "r589", "r598", "r599", "r600", "r601", "r611", "r612", "r613", "r616", "r622", "r633", "r634", "r639", "r640", "r641", "r652", "r657", "r658", "r659", "r672", "r740", "r741", "r806", "r807", "r1064" ] }, "bcow_ChangeInRightOfUseLeaseAssetAndLiability": { "xbrltype": "monetaryItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "ChangeInRightOfUseLeaseAssetAndLiability", "crdr": "credit", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfCashFlows" ], "lang": { "en-us": { "role": { "terseLabel": "Change in right-of-use lease asset and liability", "label": "Change in Right-of-Use Lease Asset and Liability", "documentation": "Change in right-of-use lease asset and liability." } } }, "auth_ref": [] }, "ecd_ChangedPeerGroupFnTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://xbrl.sec.gov/ecd/2023", "localname": "ChangedPeerGroupFnTextBlock", "presentation": [ "http://xbrl.sec.gov/ecd/role/PvpDisclosure" ], "lang": { "en-us": { "role": { "label": "Changed Peer Group, Footnote [Text Block]", "terseLabel": "Changed Peer Group, Footnote" } } }, "auth_ref": [ "r1023" ] }, "bcow_CharitableContributionCarryforwardMember": { "xbrltype": "domainItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "CharitableContributionCarryforwardMember", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/IncomeTaxesAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "documentation": "Charitable Contribution Carryforward Member", "terseLabel": "Charitable contribution carryforward [Member]", "label": "Charitable contribution carryforward [Member]" } } }, "auth_ref": [] }, "dei_CityAreaCode": { "xbrltype": "normalizedStringItemType", "nsuri": "http://xbrl.sec.gov/dei/2023", "localname": "CityAreaCode", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/CoverPage" ], "lang": { "en-us": { "role": { "terseLabel": "City Area Code", "label": "City Area Code", "documentation": "Area code of city" } } }, "auth_ref": [] }, "us-gaap_ClassOfStockDomain": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "ClassOfStockDomain", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/CashAndDueFromBanksAdditionalInformationDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DeferredCompensationAdditionalInformationDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosurePremisesAndEquipmentSummaryOfPremisesAndEquipmentDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/IncomeTaxesAdditionalInformationDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/NatureOfOperationsAndBasisOfPresentationAdditionalInformationDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/StockBasedCompensationSummaryOfNonvestedStockOptionActivityParentheticalDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/StockBasedCompensationSummaryOfRestrictedStockUnitActivityParentheticalDetail" ], "lang": { "en-us": { "role": { "label": "Class of Stock [Domain]", "documentation": "Share of stock differentiated by the voting rights the holder receives. Examples include, but are not limited to, common stock, redeemable preferred stock, nonredeemable preferred stock, and convertible stock." } } }, "auth_ref": [ "r244", "r275", "r276", "r277", "r306", "r336", "r337", "r339", "r341", "r347", "r348", "r407", "r453", "r455", "r456", "r457", "r460", "r461", "r479", "r480", "r482", "r483", "r485", "r638", "r821", "r822", "r823", "r824", "r833", "r834", "r835", "r836", "r837", "r838", "r839", "r840", "r841", "r842", "r843", "r844", "r855", "r877", "r900", "r911", "r912", "r913", "r914", "r915", "r1061", "r1116", "r1128" ] }, "ecd_CoSelectedMeasureAmt": { "xbrltype": "decimalItemType", "nsuri": "http://xbrl.sec.gov/ecd/2023", "localname": "CoSelectedMeasureAmt", "presentation": [ "http://xbrl.sec.gov/ecd/role/PvpDisclosure" ], "lang": { "en-us": { "role": { "label": "Company Selected Measure Amount", "terseLabel": "Company Selected Measure Amount" } } }, "auth_ref": [ "r1024" ] }, "ecd_CoSelectedMeasureName": { "xbrltype": "normalizedStringItemType", "nsuri": "http://xbrl.sec.gov/ecd/2023", "localname": "CoSelectedMeasureName", "presentation": [ "http://xbrl.sec.gov/ecd/role/PvpDisclosure" ], "lang": { "en-us": { "role": { "label": "Company Selected Measure Name", "terseLabel": "Company Selected Measure Name" } } }, "auth_ref": [ "r1024" ] }, "us-gaap_CollateralAxis": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "CollateralAxis", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/SummaryOfSignificantAccountingPoliciesAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "label": "Collateral Held [Axis]", "documentation": "Information by category of collateral or no collateral, from lender's perspective." } } }, "auth_ref": [ "r939" ] }, "bcow_CollateralDependentFinancialAssetsPolicyTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "CollateralDependentFinancialAssetsPolicyTextBlock", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/SummaryOfSignificantAccountingPoliciesPolicies" ], "lang": { "en-us": { "role": { "documentation": "Collateral dependent financial assets.", "terseLabel": "Collateral Dependent Financial Assets", "label": "Collateral Dependent Financial Assets [Policy Text Block]" } } }, "auth_ref": [] }, "bcow_CollateralDependentLoans": { "xbrltype": "monetaryItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "CollateralDependentLoans", "crdr": "debit", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureLoansSummaryOfCollateralDependentLoansAndRelatedAclDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Loans", "label": "Collateral Dependent Loans", "documentation": "Collateral dependent loans." } } }, "auth_ref": [] }, "us-gaap_CollateralDomain": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "CollateralDomain", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/SummaryOfSignificantAccountingPoliciesAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "label": "Collateral Held [Domain]", "documentation": "Category of collateral or no collateral, from lender's perspective." } } }, "auth_ref": [] }, "bcow_CommercialLandDevelopmentMember": { "xbrltype": "domainItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "CommercialLandDevelopmentMember", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureLoansSummaryOfInformationRegardingImpairedLoansDetails", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/LoansScheduleOfAnalysisOfPastDueLoansDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/LoansSummaryOfInformationRegardingImpairedLoansDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/LoansSummaryOfInternalRiskRatingsOfLoansDetail" ], "lang": { "en-us": { "role": { "documentation": "Commercial Land Development Member", "terseLabel": "Commercial Land Development [Member]", "label": "Commercial Land development [Member]" } } }, "auth_ref": [] }, "us-gaap_CommercialLoanMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "CommercialLoanMember", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureLoansSummaryOfActivityInAllowanceForLoanAndLeaseLossesDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureLoansSummaryOfAllowanceForLoanAndLeaseLossesForLoansEvaluatedIndividuallyAndCollectivelyForImpairmentDetails", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureLoansSummaryOfAmortizedCostBasisOfLoansByCreditQualityIndicatorAndOriginationYearDetails", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureLoansSummaryOfCollateralDependentLoansAndRelatedAclDetails", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/LoansAdditionalInformationDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/LoansSummaryOfAllowanceForLoanAndLeaseLossesForLoansEvaluatedIndividuallyAndCollectivelyForImpairmentDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/LoansSummaryOfMajorClassificationsOfLoansDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Commercial [Member]", "label": "Commercial Loan [Member]", "documentation": "A loan, whether secured or unsecured, to a company for purposes such as seasonal working capital needs, inventory financing, equipment purchases and acquisitions." } } }, "auth_ref": [] }, "bcow_CommercialOtherMember": { "xbrltype": "domainItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "CommercialOtherMember", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureLoansSummaryOfCollateralDependentLoansAndRelatedAclDetails", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureLoansSummaryOfInformationRegardingImpairedLoansDetails", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/LoansScheduleOfAnalysisOfPastDueLoansDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/LoansSummaryOfInformationRegardingImpairedLoansDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/LoansSummaryOfInternalRiskRatingsOfLoansDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Commercial Other [Member]", "label": "Commercial Other [Member]", "documentation": "Commercial other." } } }, "auth_ref": [] }, "us-gaap_CommercialRealEstateMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "CommercialRealEstateMember", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureLoansSummaryOfCollateralDependentLoansAndRelatedAclDetails", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureLoansSummaryOfInformationOnNonaccrualLoansDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/LoansScheduleOfAnalysisOfPastDueLoansDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/LoansSummaryOfInternalRiskRatingsOfLoansDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Commercial Real Estate [Member]", "label": "Commercial Real Estate [Member]", "documentation": "Property that is solely used for business purposes." } } }, "auth_ref": [ "r934", "r941", "r1177" ] }, "us-gaap_CommercialRealEstatePortfolioSegmentMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "CommercialRealEstatePortfolioSegmentMember", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureLoansSummaryOfAmortizedCostBasisOfLoansByCreditQualityIndicatorAndOriginationYearDetails" ], "lang": { "en-us": { "role": { "label": "Commercial Real Estate Portfolio Segment [Member]", "documentation": "Portfolio segment of the company's total financing receivables related to commercial real estate." } } }, "auth_ref": [] }, "us-gaap_CommitmentsAndContingenciesDisclosureAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "CommitmentsAndContingenciesDisclosureAbstract", "lang": { "en-us": { "role": { "label": "Commitments and Contingencies Disclosure [Abstract]" } } }, "auth_ref": [] }, "us-gaap_CommitmentsAndContingenciesDisclosureTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "CommitmentsAndContingenciesDisclosureTextBlock", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/CommitmentsAndContingencies" ], "lang": { "en-us": { "role": { "terseLabel": "Commitments and Contingencies", "label": "Commitments and Contingencies Disclosure [Text Block]", "documentation": "The entire disclosure for commitments and contingencies." } } }, "auth_ref": [ "r168", "r445", "r446", "r918", "r1163" ] }, "us-gaap_CommitmentsToExtendCreditMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "CommitmentsToExtendCreditMember", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureCommitmentsAndContingenciesSummaryOfContractAmountsOfCreditrelatedFinancialInstrumentsDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Commitments to Extend Credit [Member]", "label": "Commitments to Extend Credit [Member]", "documentation": "Loan commitments are legally binding commitments to extend credit to a counterparty under certain terms and conditions." } } }, "auth_ref": [] }, "us-gaap_CommonEquityTierOneCapital": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "CommonEquityTierOneCapital", "crdr": "credit", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/EquityAndRegulatoryMattersScheduleOfBanksActualAndRequiredCapitalAmountsAndRatiosDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Leverage tier 1 capital actual amount", "label": "Banking Regulation, Common Equity Tier 1 Risk-Based Capital, Actual", "documentation": "Amount of Common Equity Tier 1 risk-based capital as defined by regulatory framework." } } }, "auth_ref": [ "r769" ] }, "us-gaap_CommonEquityTierOneCapitalRatio": { "xbrltype": "pureItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "CommonEquityTierOneCapitalRatio", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/EquityAndRegulatoryMattersScheduleOfBanksActualAndRequiredCapitalAmountsAndRatiosDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Leverage tier 1 capital actual ratio", "label": "Banking Regulation, Common Equity Tier 1 Risk-Based Capital Ratio, Actual", "documentation": "Ratio of Common Equity Tier 1 risk-based capital to risk-weighted assets as defined by regulatory framework." } } }, "auth_ref": [ "r769" ] }, "us-gaap_CommonEquityTierOneCapitalRequiredToBeWellCapitalized": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "CommonEquityTierOneCapitalRequiredToBeWellCapitalized", "crdr": "credit", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/EquityAndRegulatoryMattersScheduleOfBanksActualAndRequiredCapitalAmountsAndRatiosDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Leverage tier 1 capital to be well capitalized under prompt corrective action provisions amount", "label": "Banking Regulation, Common Equity Tier 1 Risk-Based Capital, Well Capitalized, Minimum", "documentation": "Amount of minimum Common Equity Tier 1 risk-based capital categorized as well capitalized as defined by regulatory framework for prompt corrective action." } } }, "auth_ref": [ "r769" ] }, "bcow_CommonEquityTierOneCapitalRequiredToBeWellCapitalizedToRiskWeightedAssets": { "xbrltype": "percentItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "CommonEquityTierOneCapitalRequiredToBeWellCapitalizedToRiskWeightedAssets", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/EquityAndRegulatoryMattersScheduleOfBanksActualAndRequiredCapitalAmountsAndRatiosDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Leverage tier 1 capital to be well capitalized under prompt corrective action provisions ratio", "label": "Common Equity Tier One Capital Required To Be Well Capitalized To Risk Weighted Assets", "documentation": "Common Equity Tier One Capital Required To Be Well Capitalized To Risk Weighted Assets" } } }, "auth_ref": [] }, "bcow_CommonEquityTierOneRiskBasedCapitalRequiredForCapitalAdequacy": { "xbrltype": "monetaryItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "CommonEquityTierOneRiskBasedCapitalRequiredForCapitalAdequacy", "crdr": "credit", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/EquityAndRegulatoryMattersScheduleOfBanksActualAndRequiredCapitalAmountsAndRatiosDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Leverage tier 1 capital for capital adequacy purposes amount", "label": "Common Equity Tier One Risk Based Capital Required For Capital Adequacy", "documentation": "Common Equity Tier One Risk Based Capital Required For Capital Adequacy" } } }, "auth_ref": [] }, "bcow_CommonStockHeldByPublic": { "xbrltype": "percentItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "CommonStockHeldByPublic", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/SummaryOfSignificantAccountingPoliciesAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Common Stock Held By Public", "label": "Common Stock Held By Public", "documentation": "Common stock held by public." } } }, "auth_ref": [] }, "bcow_CommonStockHeldReclassifiedToTreasuryStock": { "xbrltype": "monetaryItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "CommonStockHeldReclassifiedToTreasuryStock", "crdr": "credit", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfCashFlows" ], "lang": { "en-us": { "role": { "terseLabel": "1895 Bancorp of Wisconsin, Inc. common stock held by PyraMax Bank reclassified to treasury stock", "label": "Common Stock Held Reclassified To Treasury Stock", "documentation": "Common stock held reclassified to treasury stock." } } }, "auth_ref": [] }, "us-gaap_CommonStockMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "CommonStockMember", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfChangesInStockholdersEquity" ], "lang": { "en-us": { "role": { "verboseLabel": "Common\u00a0stock", "label": "Common Stock [Member]", "documentation": "Stock that is subordinate to all other stock of the issuer." } } }, "auth_ref": [ "r967", "r968", "r969", "r971", "r972", "r973", "r974", "r1123", "r1124", "r1211", "r1242", "r1246" ] }, "us-gaap_CommonStockParOrStatedValuePerShare": { "xbrltype": "perShareItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "CommonStockParOrStatedValuePerShare", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedBalanceSheetsParenthetical" ], "lang": { "en-us": { "role": { "label": "Common Stock, Par or Stated Value Per Share", "documentation": "Face amount or stated value per share of common stock." } } }, "auth_ref": [ "r142" ] }, "us-gaap_CommonStockSharesAuthorized": { "xbrltype": "sharesItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "CommonStockSharesAuthorized", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedBalanceSheetsParenthetical" ], "lang": { "en-us": { "role": { "label": "Common Stock, Shares Authorized", "documentation": "The maximum number of common shares permitted to be issued by an entity's charter and bylaws." } } }, "auth_ref": [ "r142", "r855" ] }, "bcow_CommonStockSharesConversionRatioAsPartOfOfferingPursuantToShareBasedScheme": { "xbrltype": "pureItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "CommonStockSharesConversionRatioAsPartOfOfferingPursuantToShareBasedScheme", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/EmployeeStockOwnershipPlanEmployeeStockOwnershipPlanEsopDisclosuresParentheticalDetail" ], "lang": { "en-us": { "role": { "verboseLabel": "Common stock shares conversion ratio as part of offering pursuant to share based scheme", "terseLabel": "Common stock shares conversion ratio as part of offering pursuant to share based scheme", "label": "Common Stock Shares Conversion Ratio As Part Of Offering Pursuant To Share Based Scheme", "documentation": "Common stock shares conversion ratio as part of offering pursuant to share based scheme." } } }, "auth_ref": [] }, "us-gaap_CommonStockSharesIssued": { "xbrltype": "sharesItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "CommonStockSharesIssued", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedBalanceSheetsParenthetical" ], "lang": { "en-us": { "role": { "label": "Common Stock, Shares, Issued", "documentation": "Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury." } } }, "auth_ref": [ "r142" ] }, "us-gaap_CommonStockSharesOutstanding": { "xbrltype": "sharesItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "CommonStockSharesOutstanding", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedBalanceSheetsParenthetical" ], "lang": { "en-us": { "role": { "terseLabel": "Common Stock, Shares, Outstanding", "label": "Common Stock, Shares, Outstanding", "periodStartLabel": "Common Stock, Shares, Outstanding, Beginning Balance", "periodEndLabel": "Common Stock, Shares, Outstanding, Ending Balance", "documentation": "Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation." } } }, "auth_ref": [ "r28", "r142", "r855", "r874", "r1246", "r1247" ] }, "us-gaap_CommonStockValue": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "CommonStockValue", "crdr": "credit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedBalanceSheets": { "parentTag": "us-gaap_StockholdersEquity", "weight": 1.0, "order": 2.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedBalanceSheets" ], "lang": { "en-us": { "role": { "terseLabel": "Common stock (par value $0.01 per share) Authorized - 90,000,000 shares at December 31, 2023 and December 31, 2022; Issued - 6,114,183 at December 31, 2023 and 6,236,168 at December 31, 2022 (includes 144,297 and 211,349 unvested shares, respectively); Outstanding - 6,084,665 at December 31, 2023 and 6,206,105 at December 31, 2022 (includes 144,297 and 211,349 unvested shares, respectively)", "label": "Common Stock, Value, Issued", "documentation": "Aggregate par or stated value of issued nonredeemable common stock (or common stock redeemable solely at the option of the issuer). This item includes treasury stock repurchased by the entity. Note: elements for number of nonredeemable common shares, par value and other disclosure concepts are in another section within stockholders' equity." } } }, "auth_ref": [ "r142", "r783", "r963" ] }, "bcow_CommonTierOneRiskBasedCapitalRequiredForCapitalAdequacyToRiskWeightedAssets": { "xbrltype": "percentItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "CommonTierOneRiskBasedCapitalRequiredForCapitalAdequacyToRiskWeightedAssets", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/EquityAndRegulatoryMattersScheduleOfBanksActualAndRequiredCapitalAmountsAndRatiosDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Leverage tier 1 capital for capital adequacy purposes ratio", "label": "Common Tier One Risk Based Capital Required for Capital Adequacy to Risk Weighted Assets", "documentation": "The minimum Common Tier One Capital Ratio (Common Tier one capital divided by risk-weighted assets) required for capital adequacy purposes under the regulatory framework for prompt corrective action." } } }, "auth_ref": [] }, "ecd_CompActuallyPaidVsCoSelectedMeasureTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://xbrl.sec.gov/ecd/2023", "localname": "CompActuallyPaidVsCoSelectedMeasureTextBlock", "presentation": [ "http://xbrl.sec.gov/ecd/role/PvpDisclosure" ], "lang": { "en-us": { "role": { "label": "Compensation Actually Paid vs. Company Selected Measure [Text Block]", "terseLabel": "Compensation Actually Paid vs. Company Selected Measure" } } }, "auth_ref": [ "r1029" ] }, "ecd_CompActuallyPaidVsNetIncomeTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://xbrl.sec.gov/ecd/2023", "localname": "CompActuallyPaidVsNetIncomeTextBlock", "presentation": [ "http://xbrl.sec.gov/ecd/role/PvpDisclosure" ], "lang": { "en-us": { "role": { "label": "Compensation Actually Paid vs. Net Income [Text Block]", "terseLabel": "Compensation Actually Paid vs. Net Income" } } }, "auth_ref": [ "r1028" ] }, "ecd_CompActuallyPaidVsOtherMeasureTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://xbrl.sec.gov/ecd/2023", "localname": "CompActuallyPaidVsOtherMeasureTextBlock", "presentation": [ "http://xbrl.sec.gov/ecd/role/PvpDisclosure" ], "lang": { "en-us": { "role": { "label": "Compensation Actually Paid vs. Other Measure [Text Block]", "terseLabel": "Compensation Actually Paid vs. Other Measure" } } }, "auth_ref": [ "r1030" ] }, "ecd_CompActuallyPaidVsTotalShareholderRtnTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://xbrl.sec.gov/ecd/2023", "localname": "CompActuallyPaidVsTotalShareholderRtnTextBlock", "presentation": [ "http://xbrl.sec.gov/ecd/role/PvpDisclosure" ], "lang": { "en-us": { "role": { "label": "Compensation Actually Paid vs. Total Shareholder Return [Text Block]", "terseLabel": "Compensation Actually Paid vs. Total Shareholder Return" } } }, "auth_ref": [ "r1027" ] }, "us-gaap_CompensationAndRetirementDisclosureAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "CompensationAndRetirementDisclosureAbstract", "lang": { "en-us": { "role": { "label": "Retirement Benefits [Abstract]" } } }, "auth_ref": [] }, "us-gaap_CompensationRelatedCostsAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "CompensationRelatedCostsAbstract", "lang": { "en-us": { "role": { "label": "Compensation Related Costs [Abstract]" } } }, "auth_ref": [] }, "us-gaap_ComponentsOfDeferredTaxAssetsAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "ComponentsOfDeferredTaxAssetsAbstract", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/IncomeTaxesNetDeferredTaxAssetAndLiabilitiesDetail" ], "lang": { "en-us": { "role": { "verboseLabel": "Deferred tax assets:", "label": "Components of Deferred Tax Assets [Abstract]" } } }, "auth_ref": [] }, "us-gaap_ComponentsOfDeferredTaxLiabilitiesAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "ComponentsOfDeferredTaxLiabilitiesAbstract", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/IncomeTaxesNetDeferredTaxAssetAndLiabilitiesDetail" ], "lang": { "en-us": { "role": { "verboseLabel": "Deferred tax liabilities:", "label": "Components of Deferred Tax Liabilities [Abstract]" } } }, "auth_ref": [] }, "us-gaap_ComprehensiveIncomeNetOfTax": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "ComprehensiveIncomeNetOfTax", "crdr": "credit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/StatementConsolidatedStatementsOfComprehensiveLoss": { "parentTag": null, "weight": null, "order": null, "root": true } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/StatementConsolidatedStatementsOfComprehensiveLoss" ], "lang": { "en-us": { "role": { "totalLabel": "Comprehensive loss", "label": "Comprehensive Income (Loss), Net of Tax, Attributable to Parent", "documentation": "Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners." } } }, "auth_ref": [ "r54", "r285", "r287", "r294", "r757", "r795" ] }, "us-gaap_ComprehensiveIncomePolicyPolicyTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "ComprehensiveIncomePolicyPolicyTextBlock", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/SummaryOfSignificantAccountingPoliciesPolicies" ], "lang": { "en-us": { "role": { "verboseLabel": "Other Comprehensive Loss", "label": "Comprehensive Income, Policy [Policy Text Block]", "documentation": "Disclosure of accounting policy for comprehensive income." } } }, "auth_ref": [] }, "us-gaap_ConcentrationRiskDisclosureTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "ConcentrationRiskDisclosureTextBlock", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConcentrationOfCreditRisk" ], "lang": { "en-us": { "role": { "terseLabel": "Concentration of Credit Risk", "label": "Concentration Risk Disclosure [Text Block]", "documentation": "The entire disclosure for any concentrations existing at the date of the financial statements that make an entity vulnerable to a reasonably possible, near-term, severe impact. This disclosure informs financial statement users about the general nature of the risk associated with the concentration, and may indicate the percentage of concentration risk as of the balance sheet date." } } }, "auth_ref": [ "r160" ] }, "srt_CondensedFinancialInformationOfParentCompanyOnlyDisclosureAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/srt/2023", "localname": "CondensedFinancialInformationOfParentCompanyOnlyDisclosureAbstract", "lang": { "en-us": { "role": { "label": "Condensed Financial Information Disclosure [Abstract]" } } }, "auth_ref": [] }, "us-gaap_CondensedFinancialInformationOfParentCompanyOnlyDisclosureTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "CondensedFinancialInformationOfParentCompanyOnlyDisclosureTextBlock", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureParentCompanyOnlyFinancialStatements" ], "lang": { "en-us": { "role": { "label": "Condensed Financial Information of Parent Company Only Disclosure [Text Block]", "terseLabel": "Parent Company Only Financial Statements", "documentation": "The entire disclosure for condensed financial information, including the financial position, cash flows, and the results of operations of the registrant (parent company) as of the same dates or for the same periods for which audited consolidated financial statements are being presented. Alternatively, the details of this disclosure can be reported by the specific parent company taxonomy elements, indicating the appropriate date and period contexts in an instance document." } } }, "auth_ref": [ "r267", "r312", "r1062" ] }, "srt_CondensedFinancialStatementsCaptionsLineItems": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/srt/2023", "localname": "CondensedFinancialStatementsCaptionsLineItems", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureParentCompanyOnlyFinancialStatementsSummaryOfCondensedFinancialStatementsOfParentHoldingCompanyDetail" ], "lang": { "en-us": { "role": { "label": "Condensed Financial Statements, Captions [Line Items]", "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table." } } }, "auth_ref": [ "r256", "r259", "r260", "r261", "r312", "r1062" ] }, "srt_ConsolidatedEntitiesAxis": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/srt/2023", "localname": "ConsolidatedEntitiesAxis", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureParentCompanyOnlyFinancialStatementsSummaryOfCondensedFinancialStatementsOfParentHoldingCompanyDetail" ], "lang": { "en-us": { "role": { "label": "Consolidated Entities [Axis]", "documentation": "Information by consolidated entity or group of entities." } } }, "auth_ref": [ "r257", "r312", "r591", "r592", "r595", "r596", "r685", "r919", "r1098", "r1099", "r1100", "r1169", "r1172", "r1173" ] }, "srt_ConsolidatedEntitiesDomain": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/srt/2023", "localname": "ConsolidatedEntitiesDomain", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureParentCompanyOnlyFinancialStatementsSummaryOfCondensedFinancialStatementsOfParentHoldingCompanyDetail" ], "lang": { "en-us": { "role": { "label": "Consolidated Entities [Domain]", "documentation": "Entity or group of entities consolidated into reporting entity." } } }, "auth_ref": [ "r257", "r312", "r591", "r592", "r595", "r596", "r685", "r919", "r1098", "r1099", "r1100", "r1169", "r1172", "r1173" ] }, "us-gaap_ConstructionLoansMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "ConstructionLoansMember", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/LoansSummaryOfMajorClassificationsOfLoansDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Construction Loans [Member]", "label": "Construction Loans [Member]", "documentation": "A borrowing arrangement which provides the entity constructing a facility (such as a building and a landfill) with funds to effect construction, generally on a draw down, or as needed, basis." } } }, "auth_ref": [ "r978" ] }, "bcow_ConsumerAndOtherMember": { "xbrltype": "domainItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "ConsumerAndOtherMember", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/LoansScheduleOfAnalysisOfPastDueLoansDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Consumer Other [Member]", "label": "Consumer And Other [Member]", "documentation": "Consumer other." } } }, "auth_ref": [] }, "bcow_ConsumerHomeEquityAndLinesOfCreditMember": { "xbrltype": "domainItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "ConsumerHomeEquityAndLinesOfCreditMember", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureLoansSummaryOfAmortizedCostBasisOfLoansByCreditQualityIndicatorAndOriginationYearDetails", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureLoansSummaryOfCollateralDependentLoansAndRelatedAclDetails", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureLoansSummaryOfInformationOnNonaccrualLoansDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/LoansScheduleOfAnalysisOfPastDueLoansDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/LoansSummaryOfInformationRegardingTheCreditQualityIndicatorsForResidentialRealEstateAndConsumerLoansDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Consumer Home Equity and Lines of Credit [Member]", "label": "Consumer Home equity and lines of credit [Member]", "documentation": "Consumer home equity and lines of credit." } } }, "auth_ref": [] }, "us-gaap_ConsumerLoanMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "ConsumerLoanMember", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureLoansSummaryOfActivityInAllowanceForLoanAndLeaseLossesDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureLoansSummaryOfAllowanceForLoanAndLeaseLossesForLoansEvaluatedIndividuallyAndCollectivelyForImpairmentDetails", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureLoansSummaryOfAmortizedCostBasisOfLoansByCreditQualityIndicatorAndOriginationYearDetails", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureLoansSummaryOfCollateralDependentLoansAndRelatedAclDetails", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureLoansSummaryOfGrossChargeoffsOfLoansForPortfolioClassByOriginationYearDetails", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/LoansSummaryOfAllowanceForLoanAndLeaseLossesForLoansEvaluatedIndividuallyAndCollectivelyForImpairmentDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/LoansSummaryOfMajorClassificationsOfLoansDetail" ], "lang": { "en-us": { "role": { "verboseLabel": "Consumer [Member]", "terseLabel": "Consumer [Member]", "label": "Consumer Loan [Member]", "documentation": "Loan or extension of credit for personal, family, or household use excluding real estate." } } }, "auth_ref": [ "r943" ] }, "bcow_ConsumerOtherMember": { "xbrltype": "domainItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "ConsumerOtherMember", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureLoansSummaryOfAmortizedCostBasisOfLoansByCreditQualityIndicatorAndOriginationYearDetails", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureLoansSummaryOfGrossChargeoffsOfLoansForPortfolioClassByOriginationYearDetails", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/LoansSummaryOfInformationRegardingTheCreditQualityIndicatorsForResidentialRealEstateAndConsumerLoansDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Consumer Other [Member]", "label": "Consumer Other [Member]", "documentation": "Consumer Other [Member]" } } }, "auth_ref": [] }, "us-gaap_ContractualObligation": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "ContractualObligation", "crdr": "credit", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/CommitmentsAndContingenciesAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Commitments", "label": "Contractual Obligation", "totalLabel": "Contractual Obligation, Total", "documentation": "Amount of contractual obligation, including, but not limited to, long-term debt, lease obligation, purchase obligation, and other commitments." } } }, "auth_ref": [ "r1121" ] }, "bcow_ContributionFrom1895BancorpOfWisconsinMhc": { "xbrltype": "monetaryItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "ContributionFrom1895BancorpOfWisconsinMhc", "crdr": "debit", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfChangesInStockholdersEquity" ], "lang": { "en-us": { "role": { "label": "Contribution from 1895 Bancorp of Wisconsin, MHC", "documentation": "Contribution from 1895 bancorp of wisconsin, MHC." } } }, "auth_ref": [] }, "us-gaap_CostOfGoodsAndServicesSold": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "CostOfGoodsAndServicesSold", "crdr": "debit", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/FairValueScheduleOfQuantitativeInformationAboutNonrecurringLevel3FairValueMeasurementsDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Cost of Goods and Services Sold", "label": "Cost of Goods and Services Sold", "totalLabel": "Cost of Goods and Services Sold, Total", "documentation": "The aggregate costs related to goods produced and sold and services rendered by an entity during the reporting period. This excludes costs incurred during the reporting period related to financial services rendered and other revenue generating activities." } } }, "auth_ref": [ "r153", "r738" ] }, "srt_CounterpartyNameAxis": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/srt/2023", "localname": "CounterpartyNameAxis", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/LoansAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Counterparty Name [Axis]", "label": "Counterparty Name [Axis]", "documentation": "Information by name of counterparty. A counterparty is the other party that participates in a financial transaction. Examples include, but not limited to, the name of the financial institution." } } }, "auth_ref": [ "r258", "r310", "r311", "r465", "r481", "r683", "r926", "r928" ] }, "dei_CoverAbstract": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/dei/2023", "localname": "CoverAbstract", "lang": { "en-us": { "role": { "terseLabel": "Cover", "label": "Cover [Abstract]", "documentation": "Cover page." } } }, "auth_ref": [] }, "bcow_CovidNineteenMember": { "xbrltype": "domainItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "CovidNineteenMember", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/LoansAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Covid Nineteen [Member]", "label": "Covid Nineteen [Member]", "documentation": "Covid nineteen [Member]." } } }, "auth_ref": [] }, "bcow_CreditEnhancementUnderFHLBOfChicagoMortgagePartnershipFinanceProgramMember": { "xbrltype": "domainItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "CreditEnhancementUnderFHLBOfChicagoMortgagePartnershipFinanceProgramMember", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureCommitmentsAndContingenciesSummaryOfContractAmountsOfCreditrelatedFinancialInstrumentsDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Credit Enhancement Under FHLB of Chicago Mortgage Partnership Finance Program [Member]", "label": "Credit enhancement under F- H- L- B- of Chicago Mortgage Partnership Finance Program [Member]", "documentation": "Credit enhancement under FHLB of chicago mortgage partnership finance program." } } }, "auth_ref": [] }, "bcow_CreditQualityMember": { "xbrltype": "domainItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "CreditQualityMember", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/LoansSummaryOfInformationRegardingTheCreditQualityIndicatorsForResidentialRealEstateAndConsumerLoansDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Credit Quality [Member]", "label": "Credit Quality [Member]", "documentation": "Credit quality." } } }, "auth_ref": [] }, "bcow_CumulativeEffectOnAdjustmentOfRetainedEarningsAfterTax": { "xbrltype": "monetaryItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "CumulativeEffectOnAdjustmentOfRetainedEarningsAfterTax", "crdr": "debit", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/SummaryOfSignificantAccountingPoliciesAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Cumulative effect on adjustment of retained earnings after tax", "label": "Cumulative Effect on Adjustment of Retained Earnings, after Tax", "documentation": "Cumulative effect on adjustment of retained earnings, after tax." } } }, "auth_ref": [] }, "us-gaap_CurrentFederalTaxExpenseBenefit": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "CurrentFederalTaxExpenseBenefit", "crdr": "debit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/IncomeTaxesProvisionForIncomeTaxesDetail": { "parentTag": "us-gaap_CurrentIncomeTaxExpenseBenefit", "weight": 1.0, "order": 0.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/IncomeTaxesProvisionForIncomeTaxesDetail" ], "lang": { "en-us": { "role": { "verboseLabel": "Federal", "label": "Current Federal Tax Expense (Benefit)", "documentation": "Amount of current federal tax expense (benefit) attributable to income (loss) from continuing operations. Includes, but is not limited to, current national tax expense (benefit) for non-US (United States of America) jurisdiction." } } }, "auth_ref": [ "r1069", "r1119", "r1208" ] }, "dei_CurrentFiscalYearEndDate": { "xbrltype": "gMonthDayItemType", "nsuri": "http://xbrl.sec.gov/dei/2023", "localname": "CurrentFiscalYearEndDate", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/CoverPage" ], "lang": { "en-us": { "role": { "terseLabel": "Current Fiscal Year End Date", "label": "Current Fiscal Year End Date", "documentation": "End date of current fiscal year in the format --MM-DD." } } }, "auth_ref": [] }, "us-gaap_CurrentIncomeTaxExpenseBenefit": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "CurrentIncomeTaxExpenseBenefit", "crdr": "debit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/IncomeTaxesProvisionForIncomeTaxesDetail": { "parentTag": "us-gaap_IncomeTaxExpenseBenefit", "weight": 1.0, "order": 0.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/IncomeTaxesProvisionForIncomeTaxesDetail" ], "lang": { "en-us": { "role": { "totalLabel": "Total current tax expense (benefit)", "label": "Current Income Tax Expense (Benefit)", "documentation": "Amount of current income tax expense (benefit) pertaining to taxable income (loss) from continuing operations." } } }, "auth_ref": [ "r178", "r571", "r580", "r1119" ] }, "us-gaap_CurrentIncomeTaxExpenseBenefitContinuingOperationsAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "CurrentIncomeTaxExpenseBenefitContinuingOperationsAbstract", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/IncomeTaxesProvisionForIncomeTaxesDetail" ], "lang": { "en-us": { "role": { "verboseLabel": "Current tax expense (benefit):", "label": "Current Income Tax Expense (Benefit), Continuing Operations [Abstract]" } } }, "auth_ref": [] }, "us-gaap_DebtInstrumentAxis": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "DebtInstrumentAxis", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/FhlbAdvancesAndOtherBorrowingsSummaryOfFederalHomeLoanBankAdvancesDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/NatureOfOperationsAndBasisOfPresentationAdditionalInformationDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/SummaryOfSignificantAccountingPoliciesAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Debt Instrument [Axis]", "label": "Debt Instrument [Axis]", "documentation": "Information by type of debt instrument, including, but not limited to, draws against credit facilities." } } }, "auth_ref": [ "r41", "r139", "r140", "r189", "r190", "r312", "r462", "r463", "r464", "r465", "r466", "r467", "r468", "r469", "r470", "r471", "r472", "r473", "r474", "r475", "r476", "r477", "r655", "r946", "r947", "r948", "r949", "r950", "r1117" ] }, "us-gaap_DebtInstrumentInterestRateIncreaseDecrease": { "xbrltype": "percentItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "DebtInstrumentInterestRateIncreaseDecrease", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/NatureOfOperationsAndBasisOfPresentationAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Increase decrease in interest rate", "label": "Debt Instrument, Interest Rate, Increase (Decrease)", "documentation": "Incremental percentage increase (decrease) in the stated rate on a debt instrument." } } }, "auth_ref": [] }, "us-gaap_DebtInstrumentInterestRateStatedPercentage": { "xbrltype": "percentItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "DebtInstrumentInterestRateStatedPercentage", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/NatureOfOperationsAndBasisOfPresentationAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Debt instrument interest rate", "label": "Debt Instrument, Interest Rate, Stated Percentage", "documentation": "Contractual interest rate for funds borrowed, under the debt agreement." } } }, "auth_ref": [ "r47", "r463" ] }, "us-gaap_DebtInstrumentNameDomain": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "DebtInstrumentNameDomain", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/FhlbAdvancesAndOtherBorrowingsSummaryOfFederalHomeLoanBankAdvancesDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/NatureOfOperationsAndBasisOfPresentationAdditionalInformationDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/SummaryOfSignificantAccountingPoliciesAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Debt Instrument, Name [Domain]", "label": "Debt Instrument, Name [Domain]", "documentation": "The name for the particular debt instrument or borrowing that distinguishes it from other debt instruments or borrowings, including draws against credit facilities." } } }, "auth_ref": [ "r48", "r312", "r462", "r463", "r464", "r465", "r466", "r467", "r468", "r469", "r470", "r471", "r472", "r473", "r474", "r475", "r476", "r477", "r655", "r946", "r947", "r948", "r949", "r950", "r1117" ] }, "us-gaap_DebtSecuritiesAvailableForSaleAccruedInterestWriteoff": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "DebtSecuritiesAvailableForSaleAccruedInterestWriteoff", "crdr": "debit", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/SummaryOfSignificantAccountingPoliciesAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Security available for sale accrued interest Written off", "label": "Debt Securities, Available-for-Sale, Accrued Interest Writeoff", "documentation": "Amount of writeoff of accrued interest on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), recognized by reversing interest income." } } }, "auth_ref": [ "r436" ] }, "us-gaap_DebtSecuritiesAvailableForSaleAmortizedCostAfterAllowanceForCreditLoss": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "DebtSecuritiesAvailableForSaleAmortizedCostAfterAllowanceForCreditLoss", "crdr": "debit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/AvailableForSaleSecuritiesSummaryOfAmortizedCostsAndFairValueOfSecuritiesAvailableForSaleDetail": { "parentTag": null, "weight": null, "order": null, "root": true } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/AvailableForSaleSecuritiesSummaryOfAmortizedCostsAndFairValueOfSecuritiesAvailableForSaleDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedBalanceSheetsParenthetical" ], "lang": { "en-us": { "role": { "verboseLabel": "Amortized cost", "label": "Debt Securities, Available-for-Sale, Amortized Cost, after Allowance for Credit Loss", "terseLabel": "Securities Available for Sale, Amortized Cost", "totalLabel": "Securities Available for Sale, Amortized Cost", "documentation": "Amortized cost, after allowance for credit loss, of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale)." } } }, "auth_ref": [ "r1140" ] }, "us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss", "crdr": "debit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/AvailableForSaleSecuritiesSummaryOfGrossUnrealizedLossesOnSecuritiesAvailableForSaleAndFairValuesDetail": { "parentTag": "us-gaap_DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss", "weight": 1.0, "order": 1.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/AvailableForSaleSecuritiesSummaryOfGrossUnrealizedLossesOnSecuritiesAvailableForSaleAndFairValuesDetail" ], "lang": { "en-us": { "role": { "negatedLabel": "Unrealized Loss", "label": "Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss", "documentation": "Amount of accumulated unrealized loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous unrealized loss position for 12 months or longer, without allowance for credit loss. Includes beneficial interest in securitized financial asset." } } }, "auth_ref": [ "r220", "r441" ] }, "us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months", "crdr": "debit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/AvailableForSaleSecuritiesSummaryOfGrossUnrealizedLossesOnSecuritiesAvailableForSaleAndFairValuesDetail": { "parentTag": "us-gaap_DebtSecuritiesAvailableForSaleUnrealizedLossPosition", "weight": 1.0, "order": 0.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/AvailableForSaleSecuritiesSummaryOfGrossUnrealizedLossesOnSecuritiesAvailableForSaleAndFairValuesDetail" ], "lang": { "en-us": { "role": { "label": "Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, Less than 12 Months", "terseLabel": "Fair Value", "documentation": "Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous unrealized loss position for less than 12 months, without allowance for credit loss. Includes beneficial interest in securitized financial asset." } } }, "auth_ref": [ "r220", "r441", "r945" ] }, "us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss", "crdr": "debit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/AvailableForSaleSecuritiesSummaryOfGrossUnrealizedLossesOnSecuritiesAvailableForSaleAndFairValuesDetail": { "parentTag": "us-gaap_DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss", "weight": 1.0, "order": 0.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/AvailableForSaleSecuritiesSummaryOfGrossUnrealizedLossesOnSecuritiesAvailableForSaleAndFairValuesDetail" ], "lang": { "en-us": { "role": { "negatedLabel": "Unrealized Loss", "label": "Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss", "documentation": "Amount of accumulated unrealized loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous unrealized loss position for less than 12 months, without allowance for credit loss. Includes beneficial interest in securitized financial asset." } } }, "auth_ref": [ "r220", "r441" ] }, "us-gaap_DebtSecuritiesAvailableForSaleGainLoss": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "DebtSecuritiesAvailableForSaleGainLoss", "crdr": "credit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfCashFlows": { "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": -1.0, "order": 16.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfCashFlows" ], "lang": { "en-us": { "role": { "negatedLabel": "Net loss on sale of available-for-sale securities", "totalLabel": "Debt Securities, Available-for-Sale, Gain (Loss), Total", "label": "Debt Securities, Available-for-Sale, Gain (Loss)", "documentation": "Amount of unrealized and realized gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale)." } } }, "auth_ref": [ "r1108", "r1109" ] }, "us-gaap_DebtSecuritiesAvailableForSaleRealizedGain": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "DebtSecuritiesAvailableForSaleRealizedGain", "crdr": "credit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/AvailableForSaleSecuritiesSummaryOfProceedsFromSalesOfSecuritiesAvailableForSaleAsWellAsGrossGainsAndLossesDetail": { "parentTag": "us-gaap_DebtSecuritiesAvailableForSaleRealizedGainLoss", "weight": 1.0, "order": 0.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/AvailableForSaleSecuritiesSummaryOfProceedsFromSalesOfSecuritiesAvailableForSaleAsWellAsGrossGainsAndLossesDetail" ], "lang": { "en-us": { "role": { "label": "Debt Securities, Available-for-Sale, Realized Gain", "terseLabel": "Gross realized gains", "documentation": "Amount of realized gain on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale)." } } }, "auth_ref": [ "r405" ] }, "us-gaap_DebtSecuritiesAvailableForSaleRealizedGainLoss": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "DebtSecuritiesAvailableForSaleRealizedGainLoss", "crdr": "credit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/AvailableForSaleSecuritiesSummaryOfProceedsFromSalesOfSecuritiesAvailableForSaleAsWellAsGrossGainsAndLossesDetail": { "parentTag": null, "weight": null, "order": null, "root": true } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/AvailableForSaleSecuritiesSummaryOfProceedsFromSalesOfSecuritiesAvailableForSaleAsWellAsGrossGainsAndLossesDetail" ], "lang": { "en-us": { "role": { "totalLabel": "Net realized loss", "label": "Debt Securities, Available-for-Sale, Realized Gain (Loss)", "documentation": "Amount of realized gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale)." } } }, "auth_ref": [ "r1149" ] }, "us-gaap_DebtSecuritiesAvailableForSaleRealizedLoss": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "DebtSecuritiesAvailableForSaleRealizedLoss", "crdr": "debit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/AvailableForSaleSecuritiesSummaryOfProceedsFromSalesOfSecuritiesAvailableForSaleAsWellAsGrossGainsAndLossesDetail": { "parentTag": "us-gaap_DebtSecuritiesAvailableForSaleRealizedGainLoss", "weight": -1.0, "order": 1.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/AvailableForSaleSecuritiesSummaryOfProceedsFromSalesOfSecuritiesAvailableForSaleAsWellAsGrossGainsAndLossesDetail" ], "lang": { "en-us": { "role": { "label": "Debt Securities, Available-for-Sale, Realized Loss", "negatedTerseLabel": "Gross realized losses", "documentation": "Amount of realized loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale)." } } }, "auth_ref": [ "r405" ] }, "us-gaap_DebtSecuritiesAvailableForSaleTable": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "DebtSecuritiesAvailableForSaleTable", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/AvailableForSaleSecuritiesSummaryOfAmortizedCostsAndFairValuesOfSecuritiesAvailableForSaleByContractualMaturityDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/AvailableForSaleSecuritiesSummaryOfGrossUnrealizedLossesOnSecuritiesAvailableForSaleAndFairValuesDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureAvailableForSaleSecuritiesSummaryOfNumberOfDebtSecuritiesInAnUnrealizedLossPositionAndTheAggregateDepreciationDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Debt Securities, Available-for-sale [Table]", "label": "Debt Securities, Available-for-Sale [Table]", "documentation": "Disclosure of information about investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale)." } } }, "auth_ref": [ "r375", "r376", "r377", "r378", "r379", "r380", "r381", "r382", "r383", "r384", "r385", "r386" ] }, "us-gaap_DebtSecuritiesAvailableForSaleUnrealizedLossPosition": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "DebtSecuritiesAvailableForSaleUnrealizedLossPosition", "crdr": "debit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/AvailableForSaleSecuritiesSummaryOfGrossUnrealizedLossesOnSecuritiesAvailableForSaleAndFairValuesDetail": { "parentTag": null, "weight": null, "order": null, "root": true } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/AvailableForSaleSecuritiesSummaryOfGrossUnrealizedLossesOnSecuritiesAvailableForSaleAndFairValuesDetail" ], "lang": { "en-us": { "role": { "label": "Debt Securities, Available-for-Sale, Unrealized Loss Position", "totalLabel": "Fair Value", "terseLabel": "Fair Value", "documentation": "Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in unrealized loss position without allowance for credit loss." } } }, "auth_ref": [ "r217", "r438", "r945" ] }, "us-gaap_DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss", "crdr": "debit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/AvailableForSaleSecuritiesSummaryOfGrossUnrealizedLossesOnSecuritiesAvailableForSaleAndFairValuesDetail": { "parentTag": null, "weight": null, "order": null, "root": true } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/AvailableForSaleSecuritiesSummaryOfGrossUnrealizedLossesOnSecuritiesAvailableForSaleAndFairValuesDetail" ], "lang": { "en-us": { "role": { "negatedTotalLabel": "Unrealized Loss", "label": "Debt Securities, Available-for-Sale, Unrealized Loss Position, Accumulated Loss", "totalLabel": "Debt Securities, Available-for-Sale, Unrealized Loss Position, Accumulated Loss, Total", "negatedLabel": "Unrealized Loss", "documentation": "Amount of accumulated unrealized loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in unrealized loss position, without allowance for credit loss. Includes beneficial interest in securitized financial asset." } } }, "auth_ref": [ "r218", "r439" ] }, "bcow_DebtSecuritiesAvailableForSaleUnrealizedLossPositionAggregateDepreciation": { "xbrltype": "percentItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "DebtSecuritiesAvailableForSaleUnrealizedLossPositionAggregateDepreciation", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureAvailableForSaleSecuritiesSummaryOfNumberOfDebtSecuritiesInAnUnrealizedLossPositionAndTheAggregateDepreciationDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Aggregate Depreciation", "label": "Debt Securities Available For Sale Unrealized Loss Position Aggregate Depreciation", "documentation": "Debt securities available for sale unrealized loss position aggregate depreciation." } } }, "auth_ref": [] }, "bcow_DebtSecuritiesAvailableForSaleUnrealizedLossPositionAndAggregateDepreciationTableTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "DebtSecuritiesAvailableForSaleUnrealizedLossPositionAndAggregateDepreciationTableTextBlock", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/AvailableForSaleSecuritiesTables" ], "lang": { "en-us": { "role": { "label": "Debt Securities Available For Sale Unrealized Loss Position And Aggregate Depreciation [Table Text Block]", "documentation": "Debt securities available for sale unrealized loss position and aggregate depreciation." } } }, "auth_ref": [] }, "us-gaap_DebtSecuritiesAvailableForSaleUnrealizedLossPositionFairValueTableTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "DebtSecuritiesAvailableForSaleUnrealizedLossPositionFairValueTableTextBlock", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/AvailableForSaleSecuritiesTables" ], "lang": { "en-us": { "role": { "label": "Debt Securities, Available-for-Sale, Unrealized Loss Position, Fair Value [Table Text Block]", "terseLabel": "Summary of Gross Unrealized Losses on Securities Available-for-sale and Fair Values", "documentation": "Tabular disclosure of fair value of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in unrealized loss position, without allowance for credit loss. Includes beneficial interest in securitized financial asset." } } }, "auth_ref": [ "r216", "r945", "r1161" ] }, "us-gaap_DebtSecuritiesAvailableForSaleUnrealizedLossPositionNumberOfPositions": { "xbrltype": "integerItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "DebtSecuritiesAvailableForSaleUnrealizedLossPositionNumberOfPositions", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureAvailableForSaleSecuritiesSummaryOfNumberOfDebtSecuritiesInAnUnrealizedLossPositionAndTheAggregateDepreciationDetails" ], "lang": { "en-us": { "role": { "verboseLabel": "Number of Securities", "terseLabel": "Number of debt securities with unrealized losses", "label": "Debt Securities, Available-for-Sale, Unrealized Loss Position, Number of Positions", "documentation": "Number of investments in debt securities measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in unrealized loss position, without allowance for credit loss. Includes beneficial interest in securitized financial asset." } } }, "auth_ref": [ "r219", "r440" ] }, "us-gaap_DeferredCompensationLiabilityCurrent": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "DeferredCompensationLiabilityCurrent", "crdr": "credit", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DeferredCompensationAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "verboseLabel": "Deferred Compensation Obligations", "label": "Deferred Compensation Liability, Current", "totalLabel": "Deferred Compensation Liability, Current, Total", "documentation": "Aggregate carrying value as of the balance sheet date of the liabilities for all deferred compensation arrangements payable within one year (or the operating cycle, if longer). Represents currently earned compensation under compensation arrangements that is not actually paid until a later date." } } }, "auth_ref": [ "r97", "r170" ] }, "us-gaap_DeferredCompensationLiabilityCurrentAndNoncurrent": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "DeferredCompensationLiabilityCurrentAndNoncurrent", "crdr": "credit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureParentCompanyOnlyFinancialStatementsSummaryOfCondensedFinancialStatementsOfParentHoldingCompanyDetail": { "parentTag": "us-gaap_Liabilities", "weight": 1.0, "order": 1.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureParentCompanyOnlyFinancialStatementsSummaryOfCondensedFinancialStatementsOfParentHoldingCompanyDetail" ], "lang": { "en-us": { "role": { "totalLabel": "Deferred Compensation Liability, Current and Noncurrent, Total", "label": "Deferred Compensation Liability, Current and Noncurrent", "terseLabel": "Deferred compensation liability", "documentation": "Aggregate carrying value as of the balance sheet date of the liabilities for all deferred compensation arrangements. Represents currently earned compensation under compensation arrangements that is not actually paid until a later date." } } }, "auth_ref": [] }, "bcow_DeferredCompensationOutstandingLiability": { "xbrltype": "monetaryItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "DeferredCompensationOutstandingLiability", "crdr": "credit", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DeferredCompensationAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "verboseLabel": "Liability outstanding", "label": "Deferred Compensation Outstanding Liability", "documentation": "Amount of value of Deferred Compensation Outstanding Liability." } } }, "auth_ref": [] }, "bcow_DeferredCompensationPlanMember": { "xbrltype": "domainItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "DeferredCompensationPlanMember", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DeferredCompensationAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "label": "Deferred Compensation Plan [Member]", "documentation": "Deferred compensation plan(member)." } } }, "auth_ref": [] }, "bcow_DeferredCostsLoansNet": { "xbrltype": "monetaryItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "DeferredCostsLoansNet", "crdr": "debit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedBalanceSheets": { "parentTag": "us-gaap_LoansAndLeasesReceivableNetReportedAmount", "weight": 1.0, "order": 0.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedBalanceSheets" ], "lang": { "en-us": { "role": { "terseLabel": "Loans, net of deferred costs", "label": "Deferred Costs Loans Net", "documentation": "Deferred costs loans net." } } }, "auth_ref": [] }, "us-gaap_DeferredFederalIncomeTaxExpenseBenefit": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "DeferredFederalIncomeTaxExpenseBenefit", "crdr": "debit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/IncomeTaxesProvisionForIncomeTaxesDetail": { "parentTag": "us-gaap_DeferredIncomeTaxExpenseBenefit", "weight": 1.0, "order": 0.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/IncomeTaxesProvisionForIncomeTaxesDetail" ], "lang": { "en-us": { "role": { "verboseLabel": "Federal", "label": "Deferred Federal Income Tax Expense (Benefit)", "documentation": "Amount of deferred federal tax expense (benefit) attributable to income (loss) from continuing operations. Includes, but is not limited to, deferred national tax expense (benefit) for non-US (United States of America) jurisdiction." } } }, "auth_ref": [ "r1119", "r1207", "r1208" ] }, "us-gaap_DeferredIncomeTaxExpenseBenefit": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "DeferredIncomeTaxExpenseBenefit", "crdr": "debit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/IncomeTaxesProvisionForIncomeTaxesDetail": { "parentTag": "us-gaap_IncomeTaxExpenseBenefit", "weight": 1.0, "order": 1.0 }, "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureParentCompanyOnlyFinancialStatementsSummaryOfCondensedFinancialStatementsOfParentHoldingCompanyDetail3": { "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": 1.0, "order": 6.0 }, "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfCashFlows": { "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": 1.0, "order": 15.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfCashFlows", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureParentCompanyOnlyFinancialStatementsSummaryOfCondensedFinancialStatementsOfParentHoldingCompanyDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/IncomeTaxesProvisionForIncomeTaxesDetail" ], "lang": { "en-us": { "role": { "verboseLabel": "Deferred income tax benefit", "terseLabel": "Deferred income tax expense (benefit)", "totalLabel": "Total deferred tax expense", "label": "Deferred Income Tax Expense (Benefit)", "documentation": "Amount of deferred income tax expense (benefit) pertaining to income (loss) from continuing operations." } } }, "auth_ref": [ "r11", "r178", "r237", "r579", "r580", "r1119" ] }, "us-gaap_DeferredIncomeTaxExpenseBenefitContinuingOperationsAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "DeferredIncomeTaxExpenseBenefitContinuingOperationsAbstract", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/IncomeTaxesProvisionForIncomeTaxesDetail" ], "lang": { "en-us": { "role": { "verboseLabel": "Deferred tax expense:", "label": "Deferred Income Tax Expense (Benefit), Continuing Operations [Abstract]" } } }, "auth_ref": [] }, "us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "DeferredStateAndLocalIncomeTaxExpenseBenefit", "crdr": "debit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/IncomeTaxesProvisionForIncomeTaxesDetail": { "parentTag": "us-gaap_DeferredIncomeTaxExpenseBenefit", "weight": 1.0, "order": 1.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/IncomeTaxesProvisionForIncomeTaxesDetail" ], "lang": { "en-us": { "role": { "verboseLabel": "State", "label": "Deferred State and Local Income Tax Expense (Benefit)", "documentation": "Amount of deferred state and local tax expense (benefit) attributable to income (loss) from continuing operations. Includes, but is not limited to, deferred regional, territorial, and provincial tax expense (benefit) for non-US (United States of America) jurisdiction." } } }, "auth_ref": [ "r1119", "r1207", "r1208" ] }, "us-gaap_DeferredTaxAssetsGross": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "DeferredTaxAssetsGross", "crdr": "debit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/IncomeTaxesNetDeferredTaxAssetAndLiabilitiesDetail": { "parentTag": "us-gaap_DeferredTaxAssetsLiabilitiesNet", "weight": 1.0, "order": 1.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/IncomeTaxesNetDeferredTaxAssetAndLiabilitiesDetail" ], "lang": { "en-us": { "role": { "totalLabel": "Total deferred tax assets", "label": "Deferred Tax Assets, Gross", "documentation": "Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards." } } }, "auth_ref": [ "r566" ] }, "us-gaap_DeferredTaxAssetsLiabilitiesNet": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "DeferredTaxAssetsLiabilitiesNet", "crdr": "debit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureIncomeTaxesNetDeferredTaxAssetAndLiabilitiesDetail2": { "parentTag": null, "weight": null, "order": null, "root": true }, "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/IncomeTaxesNetDeferredTaxAssetAndLiabilitiesDetail": { "parentTag": null, "weight": null, "order": null, "root": true } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/IncomeTaxesNetDeferredTaxAssetAndLiabilitiesDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Net deferred tax asset/liability", "label": "Deferred Tax Assets, Net", "totalLabel": "Net deferred tax asset/liability", "documentation": "Amount, after allocation of valuation allowances and deferred tax liability, of deferred tax asset attributable to deductible differences and carryforwards, without jurisdictional netting." } } }, "auth_ref": [ "r1205" ] }, "us-gaap_DeferredTaxAssetsNet": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "DeferredTaxAssetsNet", "crdr": "debit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureIncomeTaxesNetDeferredTaxAssetAndLiabilitiesDetail2": { "parentTag": "us-gaap_DeferredTaxAssetsLiabilitiesNet", "weight": 1.0, "order": 1.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/IncomeTaxesAdditionalInformationDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/IncomeTaxesNetDeferredTaxAssetAndLiabilitiesDetail" ], "lang": { "en-us": { "role": { "verboseLabel": "Net deferred tax assets", "terseLabel": "Deferred tax asset net of valuation allowance", "label": "Deferred Tax Assets, Net of Valuation Allowance", "totalLabel": "Net deferred tax assets", "documentation": "Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards." } } }, "auth_ref": [ "r1205" ] }, "bcow_DeferredTaxAssetsNolAndCharitableContributionCarryforwards": { "xbrltype": "monetaryItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "DeferredTaxAssetsNolAndCharitableContributionCarryforwards", "crdr": "debit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/IncomeTaxesNetDeferredTaxAssetAndLiabilitiesDetail": { "parentTag": "us-gaap_DeferredTaxAssetsGross", "weight": 1.0, "order": 2.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/IncomeTaxesNetDeferredTaxAssetAndLiabilitiesDetail" ], "lang": { "en-us": { "role": { "terseLabel": "NOL and charitable contribution carryforwards", "label": "Deferred Tax Assets NOL And Charitable Contribution Carryforwards", "documentation": "Deferred Tax Assets NOL And Charitable Contribution Carryforwards." } } }, "auth_ref": [] }, "us-gaap_DeferredTaxAssetsOther": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "DeferredTaxAssetsOther", "crdr": "debit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/IncomeTaxesNetDeferredTaxAssetAndLiabilitiesDetail": { "parentTag": "us-gaap_DeferredTaxAssetsGross", "weight": 1.0, "order": 3.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/IncomeTaxesNetDeferredTaxAssetAndLiabilitiesDetail" ], "lang": { "en-us": { "role": { "verboseLabel": "Other", "label": "Deferred Tax Assets, Other", "documentation": "Amount, before allocation of valuation allowance, of deferred tax asset attributable to deductible temporary differences, classified as other." } } }, "auth_ref": [ "r112", "r1206" ] }, "us-gaap_DeferredTaxAssetsPropertyPlantAndEquipment": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "DeferredTaxAssetsPropertyPlantAndEquipment", "crdr": "debit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/IncomeTaxesNetDeferredTaxAssetAndLiabilitiesDetail": { "parentTag": "us-gaap_DeferredTaxAssetsGross", "weight": 1.0, "order": 5.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/IncomeTaxesNetDeferredTaxAssetAndLiabilitiesDetail" ], "lang": { "en-us": { "role": { "verboseLabel": "Premises and equipment", "label": "Deferred Tax Assets, Property, Plant and Equipment", "documentation": "Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from property, plant, and equipment." } } }, "auth_ref": [] }, "us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeBenefits": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeBenefits", "crdr": "debit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/IncomeTaxesNetDeferredTaxAssetAndLiabilitiesDetail": { "parentTag": "us-gaap_DeferredTaxAssetsGross", "weight": 1.0, "order": 0.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/IncomeTaxesNetDeferredTaxAssetAndLiabilitiesDetail" ], "lang": { "en-us": { "role": { "verboseLabel": "Accrued employee benefits", "label": "Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Employee Benefits", "documentation": "Amount, before allocation of valuation allowance, of deferred tax asset attributable to deductible temporary differences from employee benefits, classified as other." } } }, "auth_ref": [ "r112", "r1206" ] }, "us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeCompensation": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeCompensation", "crdr": "debit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/IncomeTaxesNetDeferredTaxAssetAndLiabilitiesDetail": { "parentTag": "us-gaap_DeferredTaxAssetsGross", "weight": 1.0, "order": 1.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/IncomeTaxesNetDeferredTaxAssetAndLiabilitiesDetail" ], "lang": { "en-us": { "role": { "verboseLabel": "Deferred compensation", "label": "Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Employee Compensation", "documentation": "Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from employee compensation." } } }, "auth_ref": [ "r112", "r1206" ] }, "bcow_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsReleaseOfShares": { "xbrltype": "monetaryItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsReleaseOfShares", "crdr": "debit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/IncomeTaxesNetDeferredTaxAssetAndLiabilitiesDetail": { "parentTag": "us-gaap_DeferredTaxAssetsGross", "weight": 1.0, "order": 4.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/IncomeTaxesNetDeferredTaxAssetAndLiabilitiesDetail" ], "lang": { "en-us": { "role": { "terseLabel": "ESOP release of shares", "label": "Deferred Tax Assets Tax Deferred Expense Compensation And Benefits release of shares", "documentation": "Deferred Tax Assets Tax Deferred Expense Compensation And Benefits release of shares." } } }, "auth_ref": [] }, "us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsProvisionForLoanLosses": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsProvisionForLoanLosses", "crdr": "debit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/IncomeTaxesNetDeferredTaxAssetAndLiabilitiesDetail": { "parentTag": "us-gaap_DeferredTaxAssetsGross", "weight": 1.0, "order": 6.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/IncomeTaxesNetDeferredTaxAssetAndLiabilitiesDetail" ], "lang": { "en-us": { "role": { "verboseLabel": "Allowance for credit losses", "label": "Deferred Tax Asset, Tax Deferred Expense, Reserve and Accrual, Financing Receivable, Allowance for Credit Loss", "documentation": "Amount, before allocation of valuation allowance, of deferred tax asset attributable to deductible temporary difference from allowance for credit loss on financing receivable." } } }, "auth_ref": [ "r112", "r1206" ] }, "bcow_DeferredTaxAssetsUnrealizedLossesGainOnAvailableForSaleSecuritiesGross": { "xbrltype": "monetaryItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "DeferredTaxAssetsUnrealizedLossesGainOnAvailableForSaleSecuritiesGross", "crdr": "debit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/IncomeTaxesNetDeferredTaxAssetAndLiabilitiesDetail": { "parentTag": "us-gaap_DeferredTaxAssetsGross", "weight": 1.0, "order": 7.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/IncomeTaxesNetDeferredTaxAssetAndLiabilitiesDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Net unrealized losses on available for sale securities", "documentation": "Deferred tax assets unrealized (losses) gain on available for sale securities gross.", "label": "Deferred Tax Assets Unrealized (Losses) Gain On Available for Sale Securities Gross", "negatedLabel": "Net unrealized losses (gains) on available for sale securities" } } }, "auth_ref": [] }, "us-gaap_DeferredTaxAssetsValuationAllowance": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "DeferredTaxAssetsValuationAllowance", "crdr": "credit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureIncomeTaxesNetDeferredTaxAssetAndLiabilitiesDetail2": { "parentTag": "us-gaap_DeferredTaxAssetsLiabilitiesNet", "weight": -1.0, "order": 0.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/IncomeTaxesAdditionalInformationDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/IncomeTaxesNetDeferredTaxAssetAndLiabilitiesDetail" ], "lang": { "en-us": { "role": { "negatedLabel": "Valuation allowance", "terseLabel": "Valuation allowance", "label": "Deferred Tax Assets, Valuation Allowance", "documentation": "Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized." } } }, "auth_ref": [ "r567" ] }, "us-gaap_DeferredTaxLiabilities": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "DeferredTaxLiabilities", "crdr": "credit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/IncomeTaxesNetDeferredTaxAssetAndLiabilitiesDetail": { "parentTag": "us-gaap_DeferredTaxAssetsLiabilitiesNet", "weight": -1.0, "order": 0.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/IncomeTaxesNetDeferredTaxAssetAndLiabilitiesDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Total deferred tax liabilities", "label": "Deferred Tax Liabilities, Net", "totalLabel": "Total deferred tax liabilities", "documentation": "Amount, after deferred tax asset, of deferred tax liability attributable to taxable differences without jurisdictional netting." } } }, "auth_ref": [ "r109", "r1205" ] }, "bcow_DeferredTaxLiabilitiesFHLBStockDividends": { "xbrltype": "monetaryItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "DeferredTaxLiabilitiesFHLBStockDividends", "crdr": "credit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/IncomeTaxesNetDeferredTaxAssetAndLiabilitiesDetail": { "parentTag": "us-gaap_DeferredTaxLiabilities", "weight": 1.0, "order": 0.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/IncomeTaxesNetDeferredTaxAssetAndLiabilitiesDetail" ], "lang": { "en-us": { "role": { "verboseLabel": "FHLB stock dividends", "label": "Deferred Tax Liabilities FHLB stock dividends", "documentation": "Amount of deferred tax liability attributable to taxable temporary differences from FHLB stock dividends." } } }, "auth_ref": [] }, "bcow_DeferredTaxLiabilitiesLoanFees": { "xbrltype": "monetaryItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "DeferredTaxLiabilitiesLoanFees", "crdr": "credit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/IncomeTaxesNetDeferredTaxAssetAndLiabilitiesDetail": { "parentTag": "us-gaap_DeferredTaxLiabilities", "weight": 1.0, "order": 1.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/IncomeTaxesNetDeferredTaxAssetAndLiabilitiesDetail" ], "lang": { "en-us": { "role": { "verboseLabel": "Loan fees", "label": "Deferred Tax Liabilities Loan Fees", "documentation": "Amount of deferred tax liability attributable to taxable temporary differences from loan fees." } } }, "auth_ref": [] }, "us-gaap_DeferredTaxLiabilitiesMortgageServicingRights": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "DeferredTaxLiabilitiesMortgageServicingRights", "crdr": "credit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/IncomeTaxesNetDeferredTaxAssetAndLiabilitiesDetail": { "parentTag": "us-gaap_DeferredTaxLiabilities", "weight": 1.0, "order": 3.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/IncomeTaxesNetDeferredTaxAssetAndLiabilitiesDetail" ], "lang": { "en-us": { "role": { "verboseLabel": "Mortgage servicing rights", "label": "Deferred Tax Liabilities, Mortgage Servicing Rights", "documentation": "Amount of deferred tax liability attributable to taxable temporary differences from mortgage servicing rights." } } }, "auth_ref": [ "r112", "r1206" ] }, "us-gaap_DefinedBenefitPlanBenefitObligationBenefitsPaid": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "DefinedBenefitPlanBenefitObligationBenefitsPaid", "crdr": "credit", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DeferredCompensationAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Benefits paid", "label": "Defined Benefit Plan, Benefit Obligation, Benefits Paid", "documentation": "Amount of payment to participant of defined benefit plan which decreases benefit obligation. For pension plan, payment includes, but is not limited to, pension benefits and death benefits. For other postretirement plan, payment includes, but is not limited to, prescription drug benefits, health care benefits, life insurance benefits, and legal, educational and advisory services." } } }, "auth_ref": [ "r496", "r514" ] }, "us-gaap_DefinedContributionPlanCostRecognized": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "DefinedContributionPlanCostRecognized", "crdr": "debit", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/EmployeeBenefitPlansAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Matching contributions", "label": "Defined Contribution Plan, Cost", "documentation": "Amount of cost for defined contribution plan." } } }, "auth_ref": [ "r515" ] }, "us-gaap_DepositLiabilitiesCollateralIssuedFinancialInstruments": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "DepositLiabilitiesCollateralIssuedFinancialInstruments", "crdr": "debit", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/AvailableForSaleSecuritiesAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Collateral to secure customer deposit accounts", "label": "Deposit Liabilities, Collateral Issued, Financial Instruments", "documentation": "Amount of securities, mortgage loans, or other financial instruments pledged as collateral for deposits." } } }, "auth_ref": [ "r138" ] }, "us-gaap_DepositLiabilitiesDisclosuresTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "DepositLiabilitiesDisclosuresTextBlock", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/Deposits" ], "lang": { "en-us": { "role": { "terseLabel": "Deposits", "label": "Deposit Liabilities Disclosures [Text Block]", "documentation": "The entire disclosure for deposit liabilities including data and tables. It may include a description of the entity's deposit liabilities, the aggregate amount of time deposits (including certificates of deposit) in denominations of $100,000 or more at the balance sheet date; the aggregate amount of any demand deposits that have been reclassified as loan balances, such as overdrafts, at the balance sheet date; deposits that are received on terms other than those in the normal course of business, the amount of accrued interest on deposit liabilities; securities, mortgage loans or other financial instruments that serve as collateral for deposits; for time deposits having a remaining term of more than one year, the aggregate amount of maturities for each of the five years following the balance sheet date; and the weighted average interest rate for all deposit liabilities held by the entity." } } }, "auth_ref": [ "r17", "r129", "r254", "r255" ] }, "us-gaap_DepositLiabilitiesReclassifiedAsLoansReceivable1": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "DepositLiabilitiesReclassifiedAsLoansReceivable1", "crdr": "debit", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/LoansAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Overdrawn deposit account reclassified as loan", "label": "Deposit Liabilities Reclassified as Loans Receivable", "documentation": "Amount of deposits held by the entity that have been reclassified as loan balances receivable, for example, but not limited to, overdrafts receivable." } } }, "auth_ref": [ "r19" ] }, "us-gaap_DepositLiabilitiesTypeTableTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "DepositLiabilitiesTypeTableTextBlock", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DepositsTables" ], "lang": { "en-us": { "role": { "terseLabel": "Composition of Deposits", "label": "Deposit Liabilities, Type [Table Text Block]", "documentation": "Tabular disclosure of type of deposit liability." } } }, "auth_ref": [ "r1082", "r1083", "r1084", "r1085", "r1086", "r1087", "r1088", "r1089", "r1090", "r1091", "r1092", "r1093", "r1094", "r1095", "r1096" ] }, "us-gaap_Deposits": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "Deposits", "crdr": "credit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedBalanceSheets": { "parentTag": "us-gaap_Liabilities", "weight": 1.0, "order": 0.0 }, "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DepositsCompositionOfDepositsDetail": { "parentTag": null, "weight": null, "order": null, "root": true } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedBalanceSheets", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DepositsCompositionOfDepositsDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/FairValueSummaryOfCarryingValuesAndEstimatedFairValuesOfFinancialInstrumentsDetail" ], "lang": { "en-us": { "role": { "totalLabel": "Total", "terseLabel": "Deposits", "label": "Deposits", "documentation": "The aggregate of all deposit liabilities held by the entity, including foreign and domestic, interest and noninterest bearing; may include demand deposits, saving deposits, Negotiable Order of Withdrawal (NOW) and time deposits among others." } } }, "auth_ref": [ "r129" ] }, "us-gaap_DepositsAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "DepositsAbstract", "lang": { "en-us": { "role": { "terseLabel": "Banking And Thrift [Abstract]", "label": "Deposits [Abstract]" } } }, "auth_ref": [] }, "us-gaap_Depreciation": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "Depreciation", "crdr": "debit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfCashFlows": { "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": 1.0, "order": 0.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfCashFlows", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosurePremisesAndEquipmentAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "verboseLabel": "Depreciation expense", "terseLabel": "Depreciation", "label": "Depreciation", "totalLabel": "Depreciation, Total", "documentation": "The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation." } } }, "auth_ref": [ "r11", "r91" ] }, "bcow_DescriptionOfMaximumBorrowingCapacity": { "xbrltype": "stringItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "DescriptionOfMaximumBorrowingCapacity", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/FhlbAdvancesAndOtherBorrowingsAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Federal Home Loan Bank stock to maximum borrowing capacity", "label": "Description of Maximum Borrowing Capacity", "documentation": "Description of maximum borrowing capacity." } } }, "auth_ref": [] }, "bcow_DirectorsExecutiveOfficersAndAffiliatesMember": { "xbrltype": "domainItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "DirectorsExecutiveOfficersAndAffiliatesMember", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/RelatedPartyTransactionsAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Directors, Executive Officers and Affiliates [Member]", "label": "Directors, Executive Officers And Affiliates [Member]", "documentation": "Directors, executive officers and affiliates." } } }, "auth_ref": [] }, "us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/EmployeeStockOwnershipPlan" ], "lang": { "en-us": { "role": { "verboseLabel": "Employee Stock Ownership Plan", "label": "Share-Based Payment Arrangement [Text Block]", "documentation": "The entire disclosure for share-based payment arrangement." } } }, "auth_ref": [ "r517", "r521", "r549", "r550", "r552", "r957" ] }, "us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract", "lang": { "en-us": { "role": { "verboseLabel": "Employee stock ownership plan [Abstract]", "terseLabel": "Disclosure of Compensation Related Costs, Share-based Payments [Abstract]", "label": "Share-Based Payment Arrangement [Abstract]" } } }, "auth_ref": [] }, "bcow_DisclosureOfDeferredCompensationTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "DisclosureOfDeferredCompensationTextBlock", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DeferredCompensation" ], "lang": { "en-us": { "role": { "terseLabel": "Deferred Compensation", "label": "Disclosure Of Deferred Compensation", "documentation": "xxx_Disclosure Of Deferred Compensation [Text Block]" } } }, "auth_ref": [] }, "us-gaap_DisclosureOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "DisclosureOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTextBlock", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/StockBasedCompensation" ], "lang": { "en-us": { "role": { "terseLabel": "Stock Based Compensation", "label": "Disclosure of Share-Based Compensation Arrangements by Share-Based Payment Award [Table Text Block]", "documentation": "Tabular disclosure of share-based payment arrangement." } } }, "auth_ref": [ "r14", "r99" ] }, "dei_DocumentAnnualReport": { "xbrltype": "booleanItemType", "nsuri": "http://xbrl.sec.gov/dei/2023", "localname": "DocumentAnnualReport", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/CoverPage" ], "lang": { "en-us": { "role": { "label": "Document Annual Report", "documentation": "Boolean flag that is true only for a form used as an annual report." } } }, "auth_ref": [ "r983", "r984", "r997" ] }, "dei_DocumentFinStmtErrorCorrectionFlag": { "xbrltype": "booleanItemType", "nsuri": "http://xbrl.sec.gov/dei/2023", "localname": "DocumentFinStmtErrorCorrectionFlag", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/CoverPage" ], "lang": { "en-us": { "role": { "terseLabel": "Document Financial Statement Error Correction", "label": "Document Financial Statement Error Correction [Flag]", "documentation": "Indicates whether any of the financial statement period in the filing include a restatement due to error correction." } } }, "auth_ref": [ "r983", "r984", "r997", "r1033" ] }, "dei_DocumentFiscalPeriodFocus": { "xbrltype": "fiscalPeriodItemType", "nsuri": "http://xbrl.sec.gov/dei/2023", "localname": "DocumentFiscalPeriodFocus", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/CoverPage" ], "lang": { "en-us": { "role": { "terseLabel": "Document Fiscal Period Focus", "label": "Document Fiscal Period Focus", "documentation": "Fiscal period values are FY, Q1, Q2, and Q3. 1st, 2nd and 3rd quarter 10-Q or 10-QT statements have value Q1, Q2, and Q3 respectively, with 10-K, 10-KT or other fiscal year statements having FY." } } }, "auth_ref": [] }, "dei_DocumentFiscalYearFocus": { "xbrltype": "gYearItemType", "nsuri": "http://xbrl.sec.gov/dei/2023", "localname": "DocumentFiscalYearFocus", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/CoverPage" ], "lang": { "en-us": { "role": { "terseLabel": "Document Fiscal Year Focus", "label": "Document Fiscal Year Focus", "documentation": "This is focus fiscal year of the document report in YYYY format. For a 2006 annual report, which may also provide financial information from prior periods, fiscal 2006 should be given as the fiscal year focus. Example: 2006." } } }, "auth_ref": [] }, "dei_DocumentPeriodEndDate": { "xbrltype": "dateItemType", "nsuri": "http://xbrl.sec.gov/dei/2023", "localname": "DocumentPeriodEndDate", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/CoverPage" ], "lang": { "en-us": { "role": { "terseLabel": "Document Period End Date", "label": "Document Period End Date", "documentation": "For the EDGAR submission types of Form 8-K: the date of the report, the date of the earliest event reported; for the EDGAR submission types of Form N-1A: the filing date; for all other submission types: the end of the reporting or transition period. The format of the date is YYYY-MM-DD." } } }, "auth_ref": [] }, "dei_DocumentTransitionReport": { "xbrltype": "booleanItemType", "nsuri": "http://xbrl.sec.gov/dei/2023", "localname": "DocumentTransitionReport", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/CoverPage" ], "lang": { "en-us": { "role": { "terseLabel": "Document Transition Report", "label": "Document Transition Report", "documentation": "Boolean flag that is true only for a form used as a transition report." } } }, "auth_ref": [ "r1018" ] }, "dei_DocumentType": { "xbrltype": "submissionTypeItemType", "nsuri": "http://xbrl.sec.gov/dei/2023", "localname": "DocumentType", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/CoverPage" ], "lang": { "en-us": { "role": { "terseLabel": "Document Type", "label": "Document Type", "documentation": "The type of document being provided (such as 10-K, 10-Q, 485BPOS, etc). The document type is limited to the same value as the supporting SEC submission type, or the word 'Other'." } } }, "auth_ref": [] }, "dei_DocumentsIncorporatedByReferenceTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://xbrl.sec.gov/dei/2023", "localname": "DocumentsIncorporatedByReferenceTextBlock", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/CoverPage" ], "lang": { "en-us": { "role": { "terseLabel": "Documents Incorporated by Reference", "label": "Documents Incorporated by Reference [Text Block]", "documentation": "Documents incorporated by reference." } } }, "auth_ref": [ "r981" ] }, "us-gaap_DomesticCountryMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "DomesticCountryMember", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/IncomeTaxesAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "label": "Domestic Tax Authority [Member]", "documentation": "Designated tax department of the government that is entitled to levy and collect income taxes from the entity in its country of domicile." } } }, "auth_ref": [] }, "us-gaap_DoubtfulMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "DoubtfulMember", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/LoansAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Doubtful [Member]", "label": "Doubtful [Member]", "documentation": "A category of financing receivables that have all the weaknesses inherent in those classified as substandard, with the added characteristic that the weaknesses make collection or liquidation in full, on the basis of currently existing facts, conditions, and values, highly questionable and improbable." } } }, "auth_ref": [ "r83", "r1160" ] }, "bcow_DueToSubsidiaryBank": { "xbrltype": "monetaryItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "DueToSubsidiaryBank", "crdr": "credit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureParentCompanyOnlyFinancialStatementsSummaryOfCondensedFinancialStatementsOfParentHoldingCompanyDetail": { "parentTag": "us-gaap_Liabilities", "weight": 1.0, "order": 2.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureParentCompanyOnlyFinancialStatementsSummaryOfCondensedFinancialStatementsOfParentHoldingCompanyDetail" ], "lang": { "en-us": { "role": { "documentation": "Due to subsidiary bank.", "label": "Due to Subsidiary Bank", "terseLabel": "Due to subsidiary bank" } } }, "auth_ref": [] }, "us-gaap_EarningsPerShareAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "EarningsPerShareAbstract", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfOperations" ], "lang": { "en-us": { "role": { "terseLabel": "Loss per share:", "label": "Earnings Per Share [Abstract]" } } }, "auth_ref": [] }, "us-gaap_EarningsPerShareBasic": { "xbrltype": "perShareItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "EarningsPerShareBasic", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfOperations", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureEarningsLossPerShareEpsEarningsPerCommonShareDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Basic (loss) per share", "verboseLabel": "Basic", "label": "Earnings Per Share, Basic", "totalLabel": "Earnings Per Share, Basic, Total", "documentation": "The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period." } } }, "auth_ref": [ "r295", "r322", "r323", "r325", "r326", "r328", "r334", "r336", "r339", "r340", "r341", "r345", "r620", "r621", "r758", "r796", "r931" ] }, "us-gaap_EarningsPerShareDiluted": { "xbrltype": "perShareItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "EarningsPerShareDiluted", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfOperations", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureEarningsLossPerShareEpsEarningsPerCommonShareDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Diluted (loss) per share", "verboseLabel": "Diluted", "label": "Earnings Per Share, Diluted", "totalLabel": "Earnings Per Share, Diluted, Total", "documentation": "The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period." } } }, "auth_ref": [ "r295", "r322", "r323", "r325", "r326", "r328", "r336", "r339", "r340", "r341", "r345", "r620", "r621", "r758", "r796", "r931" ] }, "us-gaap_EarningsPerShareTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "EarningsPerShareTextBlock", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureEarningsLossPerShareEps1" ], "lang": { "en-us": { "role": { "terseLabel": "Earnings (Loss) Per Share (EPS)", "label": "Earnings Per Share [Text Block]", "documentation": "The entire disclosure for earnings per share." } } }, "auth_ref": [ "r333", "r342", "r343", "r344" ] }, "us-gaap_EffectiveIncomeTaxRateContinuingOperations": { "xbrltype": "percentItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "EffectiveIncomeTaxRateContinuingOperations", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/IncomeTaxesSummaryOfTheSourcesOfDifferencesBetweenIncomeTaxesAtTheFederalStatutoryRateAndTheProvisionCreditForIncomeTaxesDetail": { "parentTag": null, "weight": null, "order": null, "root": true } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/IncomeTaxesSummaryOfTheSourcesOfDifferencesBetweenIncomeTaxesAtTheFederalStatutoryRateAndTheProvisionCreditForIncomeTaxesDetail" ], "lang": { "en-us": { "role": { "totalLabel": "Total income tax expense (benefit), Percentage", "label": "Effective Income Tax Rate Reconciliation, Percent", "documentation": "Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations." } } }, "auth_ref": [ "r561" ] }, "us-gaap_EffectiveIncomeTaxRateContinuingOperationsTaxRateReconciliationAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "EffectiveIncomeTaxRateContinuingOperationsTaxRateReconciliationAbstract", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/IncomeTaxesSummaryOfTheSourcesOfDifferencesBetweenIncomeTaxesAtTheFederalStatutoryRateAndTheProvisionCreditForIncomeTaxesDetail" ], "lang": { "en-us": { "role": { "verboseLabel": "Reconciliation of statutory to effective rates: Percentage", "label": "Effective Income Tax Rate Reconciliation, Percent [Abstract]" } } }, "auth_ref": [] }, "us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate": { "xbrltype": "percentItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/IncomeTaxesSummaryOfTheSourcesOfDifferencesBetweenIncomeTaxesAtTheFederalStatutoryRateAndTheProvisionCreditForIncomeTaxesDetail": { "parentTag": "us-gaap_EffectiveIncomeTaxRateContinuingOperations", "weight": 1.0, "order": 0.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/IncomeTaxesSummaryOfTheSourcesOfDifferencesBetweenIncomeTaxesAtTheFederalStatutoryRateAndTheProvisionCreditForIncomeTaxesDetail" ], "lang": { "en-us": { "role": { "verboseLabel": "Federal income taxes at statutory rate, Percentage", "label": "Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent", "documentation": "Percentage of domestic federal statutory tax rate applicable to pretax income (loss)." } } }, "auth_ref": [ "r307", "r561", "r581" ] }, "bcow_EffectiveIncomeTaxRateReconciliationCashValueOfLifeInsurancePercent": { "xbrltype": "percentItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "EffectiveIncomeTaxRateReconciliationCashValueOfLifeInsurancePercent", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/IncomeTaxesSummaryOfTheSourcesOfDifferencesBetweenIncomeTaxesAtTheFederalStatutoryRateAndTheProvisionCreditForIncomeTaxesDetail": { "parentTag": "us-gaap_EffectiveIncomeTaxRateContinuingOperations", "weight": 1.0, "order": 1.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/IncomeTaxesSummaryOfTheSourcesOfDifferencesBetweenIncomeTaxesAtTheFederalStatutoryRateAndTheProvisionCreditForIncomeTaxesDetail" ], "lang": { "en-us": { "role": { "verboseLabel": "Increase in cash value of life insurance, Percentage", "label": "Effective Income Tax Rate Reconciliation Cash Value Of Life Insurance Percent", "documentation": "Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to cash value of life insurance." } } }, "auth_ref": [] }, "us-gaap_EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance": { "xbrltype": "percentItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/IncomeTaxesSummaryOfTheSourcesOfDifferencesBetweenIncomeTaxesAtTheFederalStatutoryRateAndTheProvisionCreditForIncomeTaxesDetail": { "parentTag": "us-gaap_EffectiveIncomeTaxRateContinuingOperations", "weight": 1.0, "order": 2.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/IncomeTaxesSummaryOfTheSourcesOfDifferencesBetweenIncomeTaxesAtTheFederalStatutoryRateAndTheProvisionCreditForIncomeTaxesDetail" ], "lang": { "en-us": { "role": { "verboseLabel": "Change in valuation allowance, Percentage", "label": "Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Percent", "documentation": "Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to changes in the valuation allowance for deferred tax assets." } } }, "auth_ref": [ "r1204", "r1209" ] }, "us-gaap_EffectiveIncomeTaxRateReconciliationOtherAdjustments": { "xbrltype": "percentItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "EffectiveIncomeTaxRateReconciliationOtherAdjustments", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/IncomeTaxesSummaryOfTheSourcesOfDifferencesBetweenIncomeTaxesAtTheFederalStatutoryRateAndTheProvisionCreditForIncomeTaxesDetail": { "parentTag": "us-gaap_EffectiveIncomeTaxRateContinuingOperations", "weight": 1.0, "order": 3.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/IncomeTaxesSummaryOfTheSourcesOfDifferencesBetweenIncomeTaxesAtTheFederalStatutoryRateAndTheProvisionCreditForIncomeTaxesDetail" ], "lang": { "en-us": { "role": { "verboseLabel": "Other net, Percentage", "label": "Effective Income Tax Rate Reconciliation, Other Adjustments, Percent", "documentation": "Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to other adjustments." } } }, "auth_ref": [ "r1204", "r1209" ] }, "us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized", "crdr": "debit", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/StockBasedCompensationAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Unrecognized compensation expense related to stock compensation plans", "label": "Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount", "totalLabel": "Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount, Total", "documentation": "Amount of cost not yet recognized for nonvested award under share-based payment arrangement." } } }, "auth_ref": [ "r551" ] }, "us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1": { "xbrltype": "durationItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/StockBasedCompensationAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Share-based payment arrangement, nonvested award, cost not yet recognized, period for recognition", "label": "Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition", "documentation": "Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days." } } }, "auth_ref": [ "r551" ] }, "us-gaap_EmployeeStockOptionMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "EmployeeStockOptionMember", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/StockBasedCompensationAdditionalInformationDetail", "http://xbrl.sec.gov/ecd/role/AwardTimingDisclosure" ], "lang": { "en-us": { "role": { "label": "Employee Stock Option [Member]", "terseLabel": "Employee Stock Option", "verboseLabel": "Employee Stock Option [Member]", "documentation": "Share-based payment arrangement granting right, subject to vesting and other restrictions, to purchase or sell certain number of shares at predetermined price for specified period of time." } } }, "auth_ref": [] }, "us-gaap_EmployeeStockOwnershipPlanESOPCompensationExpense": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "EmployeeStockOwnershipPlanESOPCompensationExpense", "crdr": "debit", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/EmployeeStockOwnershipPlanAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Compensation Expense", "label": "Employee Stock Ownership Plan (ESOP), Compensation Expense", "documentation": "The amount of plan compensation cost recognized during the period." } } }, "auth_ref": [ "r106" ] }, "us-gaap_EmployeeStockOwnershipPlanESOPDeferredSharesFairValue": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "EmployeeStockOwnershipPlanESOPDeferredSharesFairValue", "crdr": "debit", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/EmployeeStockOwnershipPlanEmployeeStockOwnershipPlanEsopDisclosuresDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Fair value of unallocated shares ( based on $6.99 and $10.00 share price as of December 31, 2023 and December 31, 2022, respectively)", "label": "Employee Stock Ownership Plan (ESOP), Deferred Shares, Fair Value", "documentation": "Fair value of unearned shares held by the employee stock ownership plan (ESOP)." } } }, "auth_ref": [ "r108" ] }, "us-gaap_EmployeeStockOwnershipPlanESOPNumberOfAllocatedShares": { "xbrltype": "sharesItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "EmployeeStockOwnershipPlanESOPNumberOfAllocatedShares", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/EmployeeStockOwnershipPlanEmployeeStockOwnershipPlanEsopDisclosuresDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Total allocated shares", "label": "Employee Stock Ownership Plan (ESOP), Number of Allocated Shares", "documentation": "The shares or units in an ESOP trust that have been assigned to individual participant accounts based on a known formula. IRS rules require allocations to be nondiscriminatory generally based on compensation, length of service, or a combination of both. For any particular participant such shares or units may be vested, unvested, or partially vested." } } }, "auth_ref": [ "r107" ] }, "us-gaap_EmployeeStockOwnershipPlanESOPSharesContributedToESOP": { "xbrltype": "sharesItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "EmployeeStockOwnershipPlanESOPSharesContributedToESOP", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfChangesInStockholdersEquityParenthetical", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/EmployeeStockOwnershipPlanAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "terseLabel": "ESOP Purchased", "label": "Employee Stock Ownership Plan (ESOP), Shares Contributed to ESOP", "verboseLabel": "Purchase of shares by ESOP", "documentation": "This item represents the number of shares provided to the Employee Stock Ownership Plan (ESOP) during the period." } } }, "auth_ref": [ "r105" ] }, "us-gaap_EmployeeStockOwnershipPlanESOPSharesInESOP": { "xbrltype": "sharesItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "EmployeeStockOwnershipPlanESOPSharesInESOP", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/EmployeeStockOwnershipPlanEmployeeStockOwnershipPlanEsopDisclosuresDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Total ESOP shares", "label": "Employee Stock Ownership Plan (ESOP), Shares in ESOP", "totalLabel": "Employee Stock Ownership Plan (ESOP), Shares in ESOP, Total", "documentation": "Sum of the allocated, committed-to-be-released and suspense shares of the entity held by the plan." } } }, "auth_ref": [ "r107" ] }, "bcow_EmployeeStockOwnershipPlanEsopNumberOfCommittedToBeReleasedSharesDuringPeriod": { "xbrltype": "sharesItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "EmployeeStockOwnershipPlanEsopNumberOfCommittedToBeReleasedSharesDuringPeriod", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfChangesInStockholdersEquityParenthetical" ], "lang": { "en-us": { "role": { "documentation": "Employee stock ownership plan ESOP number of committed to be released shares during period.", "label": "Employee Stock Ownership Plan ESOP Number Of Committed To Be Released Shares During Period", "terseLabel": "ESOP shares committed to be released" } } }, "auth_ref": [] }, "bcow_EmployeeStockOwnershipPlanEsopNumberOfUnallocatedShares": { "xbrltype": "sharesItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "EmployeeStockOwnershipPlanEsopNumberOfUnallocatedShares", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedBalanceSheetsParenthetical", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/EmployeeStockOwnershipPlanEmployeeStockOwnershipPlanEsopDisclosuresDetail" ], "lang": { "en-us": { "role": { "verboseLabel": "Unallocated common stock of Employee Stock Ownership Plan", "terseLabel": "Total unallocated shares", "label": "Employee Stock Ownership Plan ESOP Number of Unallocated Shares", "documentation": "Represents number of shares for which compensation cost not allocated." } } }, "auth_ref": [] }, "bcow_EmployeeStockOwnershipPlanEsopSharesAdjustedForTheConversion": { "xbrltype": "sharesItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "EmployeeStockOwnershipPlanEsopSharesAdjustedForTheConversion", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/EmployeeStockOwnershipPlanAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "terseLabel": "ESOP Purchased shares adjusted for the conversion", "label": "Employee Stock Ownership Plan ESOP Shares Adjusted For The Conversion", "documentation": "Employee Stock Ownership Plan ESOP Shares Adjusted For The Conversion." } } }, "auth_ref": [] }, "bcow_EmployeeStockOwnershipPlanEsopUnallocatedCompensation": { "xbrltype": "monetaryItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "EmployeeStockOwnershipPlanEsopUnallocatedCompensation", "crdr": "debit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedBalanceSheets": { "parentTag": "us-gaap_StockholdersEquity", "weight": -1.0, "order": 4.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedBalanceSheets" ], "lang": { "en-us": { "role": { "negatedLabel": "Unallocated common stock of Employee Stock Ownership Plan (ESOP), 434,062 and 453,792 shares at December 31, 2023 and December 31, 2022, respectively", "label": "Employee Stock Ownership Plan ESOP Unallocated Compensation", "documentation": "Represents unallocated ESOP plan expense.", "negatedTerseLabel": "Unallocated common stock of Employee Stock Ownership Plan (ESOP), 463,658 and 377,077 shares at June 30, 2022 and December 31, 2021, respectively" } } }, "auth_ref": [] }, "bcow_EmployeeStockOwnershipPlanEsopWeightedAveragePurchasePriceOfAdditionalSharesPurchased": { "xbrltype": "perShareItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "EmployeeStockOwnershipPlanEsopWeightedAveragePurchasePriceOfAdditionalSharesPurchased", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/EmployeeStockOwnershipPlanAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "documentation": "Employee stock ownership plan ESOP weighted average purchase price of additional shares purchased.", "label": "Employee Stock Ownership Plan ESOP Weighted Average Purchase Price Of Additional Shares Purchased", "terseLabel": "Employee stock ownership plan weighted average price of additional shares purchased" } } }, "auth_ref": [] }, "bcow_EmployeeStockOwnershipPlanValueCommittedToBeReleased": { "xbrltype": "monetaryItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "EmployeeStockOwnershipPlanValueCommittedToBeReleased", "crdr": "debit", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfChangesInStockholdersEquity" ], "lang": { "en-us": { "role": { "label": "Employee Stock Ownership Plan Value Committed To be Released", "documentation": "Represents Employee Stock Ownership Plan Value Committed To be Released.", "verboseLabel": "ESOP shares committed to be released" } } }, "auth_ref": [] }, "dei_EntityAddressAddressLine1": { "xbrltype": "normalizedStringItemType", "nsuri": "http://xbrl.sec.gov/dei/2023", "localname": "EntityAddressAddressLine1", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/CoverPage" ], "lang": { "en-us": { "role": { "terseLabel": "Entity Address, Address Line One", "label": "Entity Address, Address Line One", "documentation": "Address Line 1 such as Attn, Building Name, Street Name" } } }, "auth_ref": [] }, "dei_EntityAddressCityOrTown": { "xbrltype": "normalizedStringItemType", "nsuri": "http://xbrl.sec.gov/dei/2023", "localname": "EntityAddressCityOrTown", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/CoverPage" ], "lang": { "en-us": { "role": { "terseLabel": "Entity Address, City or Town", "label": "Entity Address, City or Town", "documentation": "Name of the City or Town" } } }, "auth_ref": [] }, "dei_EntityAddressPostalZipCode": { "xbrltype": "normalizedStringItemType", "nsuri": "http://xbrl.sec.gov/dei/2023", "localname": "EntityAddressPostalZipCode", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/CoverPage" ], "lang": { "en-us": { "role": { "terseLabel": "Entity Address, Postal Zip Code", "label": "Entity Address, Postal Zip Code", "documentation": "Code for the postal or zip code" } } }, "auth_ref": [] }, "dei_EntityAddressStateOrProvince": { "xbrltype": "stateOrProvinceItemType", "nsuri": "http://xbrl.sec.gov/dei/2023", "localname": "EntityAddressStateOrProvince", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/CoverPage" ], "lang": { "en-us": { "role": { "terseLabel": "Entity Address, State or Province", "label": "Entity Address, State or Province", "documentation": "Name of the state or province." } } }, "auth_ref": [] }, "dei_EntityCentralIndexKey": { "xbrltype": "centralIndexKeyItemType", "nsuri": "http://xbrl.sec.gov/dei/2023", "localname": "EntityCentralIndexKey", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/CoverPage" ], "lang": { "en-us": { "role": { "terseLabel": "Entity Central Index Key", "label": "Entity Central Index Key", "documentation": "A unique 10-digit SEC-issued value to identify entities that have filed disclosures with the SEC. It is commonly abbreviated as CIK." } } }, "auth_ref": [ "r980" ] }, "dei_EntityCommonStockSharesOutstanding": { "xbrltype": "sharesItemType", "nsuri": "http://xbrl.sec.gov/dei/2023", "localname": "EntityCommonStockSharesOutstanding", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/CoverPage" ], "lang": { "en-us": { "role": { "terseLabel": "Entity Common Stock, Shares Outstanding", "label": "Entity Common Stock, Shares Outstanding", "documentation": "Indicate number of shares or other units outstanding of each of registrant's classes of capital or common stock or other ownership interests, if and as stated on cover of related periodic report. Where multiple classes or units exist define each class/interest by adding class of stock items such as Common Class A [Member], Common Class B [Member] or Partnership Interest [Member] onto the Instrument [Domain] of the Entity Listings, Instrument." } } }, "auth_ref": [] }, "dei_EntityCurrentReportingStatus": { "xbrltype": "yesNoItemType", "nsuri": "http://xbrl.sec.gov/dei/2023", "localname": "EntityCurrentReportingStatus", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/CoverPage" ], "lang": { "en-us": { "role": { "terseLabel": "Entity Current Reporting Status", "label": "Entity Current Reporting Status", "documentation": "Indicate 'Yes' or 'No' whether registrants (1) have filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that registrants were required to file such reports), and (2) have been subject to such filing requirements for the past 90 days. This information should be based on the registrant's current or most recent filing containing the related disclosure." } } }, "auth_ref": [] }, "dei_EntityDomain": { "xbrltype": "domainItemType", "nsuri": "http://xbrl.sec.gov/dei/2023", "localname": "EntityDomain", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/NatureOfOperationsAndBasisOfPresentationAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "terseLabel": "All Entities", "label": "Entity [Domain]", "documentation": "All the names of the entities being reported upon in a document. Any legal structure used to conduct activities or to hold assets. Some examples of such structures are corporations, partnerships, limited liability companies, grantor trusts, and other trusts. This item does not include business and geographical segments which are included in the geographical or business segments domains." } } }, "auth_ref": [] }, "dei_EntityEmergingGrowthCompany": { "xbrltype": "booleanItemType", "nsuri": "http://xbrl.sec.gov/dei/2023", "localname": "EntityEmergingGrowthCompany", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/CoverPage" ], "lang": { "en-us": { "role": { "terseLabel": "Entity Emerging Growth Company", "label": "Entity Emerging Growth Company", "documentation": "Indicate if registrant meets the emerging growth company criteria." } } }, "auth_ref": [ "r980" ] }, "dei_EntityExTransitionPeriod": { "xbrltype": "booleanItemType", "nsuri": "http://xbrl.sec.gov/dei/2023", "localname": "EntityExTransitionPeriod", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/CoverPage" ], "lang": { "en-us": { "role": { "terseLabel": "Entity Ex Transition Period", "label": "Entity Ex Transition Period", "documentation": "Indicate if an emerging growth company has elected not to use the extended transition period for complying with any new or revised financial accounting standards." } } }, "auth_ref": [ "r1060" ] }, "dei_EntityFileNumber": { "xbrltype": "fileNumberItemType", "nsuri": "http://xbrl.sec.gov/dei/2023", "localname": "EntityFileNumber", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/CoverPage" ], "lang": { "en-us": { "role": { "terseLabel": "Entity File Number", "label": "Entity File Number", "documentation": "Commission file number. The field allows up to 17 characters. The prefix may contain 1-3 digits, the sequence number may contain 1-8 digits, the optional suffix may contain 1-4 characters, and the fields are separated with a hyphen." } } }, "auth_ref": [] }, "dei_EntityFilerCategory": { "xbrltype": "filerCategoryItemType", "nsuri": "http://xbrl.sec.gov/dei/2023", "localname": "EntityFilerCategory", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/CoverPage" ], "lang": { "en-us": { "role": { "terseLabel": "Entity Filer Category", "label": "Entity Filer Category", "documentation": "Indicate whether the registrant is one of the following: Large Accelerated Filer, Accelerated Filer, Non-accelerated Filer. Definitions of these categories are stated in Rule 12b-2 of the Exchange Act. This information should be based on the registrant's current or most recent filing containing the related disclosure." } } }, "auth_ref": [ "r980" ] }, "dei_EntityIncorporationStateCountryCode": { "xbrltype": "edgarStateCountryItemType", "nsuri": "http://xbrl.sec.gov/dei/2023", "localname": "EntityIncorporationStateCountryCode", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/CoverPage" ], "lang": { "en-us": { "role": { "terseLabel": "Entity Incorporation, State or Country Code", "label": "Entity Incorporation, State or Country Code", "documentation": "Two-character EDGAR code representing the state or country of incorporation." } } }, "auth_ref": [] }, "dei_EntityInteractiveDataCurrent": { "xbrltype": "yesNoItemType", "nsuri": "http://xbrl.sec.gov/dei/2023", "localname": "EntityInteractiveDataCurrent", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/CoverPage" ], "lang": { "en-us": { "role": { "terseLabel": "Entity Interactive Data Current", "label": "Entity Interactive Data Current", "documentation": "Boolean flag that is true when the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T during the preceding 12 months (or for such shorter period that the registrant was required to submit such files)." } } }, "auth_ref": [ "r1058" ] }, "dei_EntityPublicFloat": { "xbrltype": "monetaryItemType", "nsuri": "http://xbrl.sec.gov/dei/2023", "localname": "EntityPublicFloat", "crdr": "credit", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/CoverPage" ], "lang": { "en-us": { "role": { "label": "Entity Public Float", "documentation": "The aggregate market value of the voting and non-voting common equity held by non-affiliates computed by reference to the price at which the common equity was last sold, or the average bid and asked price of such common equity, as of the last business day of the registrant's most recently completed second fiscal quarter." } } }, "auth_ref": [] }, "dei_EntityRegistrantName": { "xbrltype": "normalizedStringItemType", "nsuri": "http://xbrl.sec.gov/dei/2023", "localname": "EntityRegistrantName", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/CoverPage" ], "lang": { "en-us": { "role": { "terseLabel": "Entity Registrant Name", "label": "Entity Registrant Name", "documentation": "The exact name of the entity filing the report as specified in its charter, which is required by forms filed with the SEC." } } }, "auth_ref": [ "r980" ] }, "dei_EntityShellCompany": { "xbrltype": "booleanItemType", "nsuri": "http://xbrl.sec.gov/dei/2023", "localname": "EntityShellCompany", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/CoverPage" ], "lang": { "en-us": { "role": { "terseLabel": "Entity Shell Company", "label": "Entity Shell Company", "documentation": "Boolean flag that is true when the registrant is a shell company as defined in Rule 12b-2 of the Exchange Act." } } }, "auth_ref": [ "r980" ] }, "dei_EntitySmallBusiness": { "xbrltype": "booleanItemType", "nsuri": "http://xbrl.sec.gov/dei/2023", "localname": "EntitySmallBusiness", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/CoverPage" ], "lang": { "en-us": { "role": { "terseLabel": "Entity Small Business", "label": "Entity Small Business", "documentation": "Indicates that the company is a Smaller Reporting Company (SRC)." } } }, "auth_ref": [ "r980" ] }, "dei_EntityTaxIdentificationNumber": { "xbrltype": "employerIdItemType", "nsuri": "http://xbrl.sec.gov/dei/2023", "localname": "EntityTaxIdentificationNumber", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/CoverPage" ], "lang": { "en-us": { "role": { "terseLabel": "Entity Tax Identification Number", "label": "Entity Tax Identification Number", "documentation": "The Tax Identification Number (TIN), also known as an Employer Identification Number (EIN), is a unique 9-digit value assigned by the IRS." } } }, "auth_ref": [ "r980" ] }, "dei_EntityVoluntaryFilers": { "xbrltype": "yesNoItemType", "nsuri": "http://xbrl.sec.gov/dei/2023", "localname": "EntityVoluntaryFilers", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/CoverPage" ], "lang": { "en-us": { "role": { "label": "Entity Voluntary Filers", "documentation": "Indicate 'Yes' or 'No' if the registrant is not required to file reports pursuant to Section 13 or Section 15(d) of the Act." } } }, "auth_ref": [] }, "dei_EntityWellKnownSeasonedIssuer": { "xbrltype": "yesNoItemType", "nsuri": "http://xbrl.sec.gov/dei/2023", "localname": "EntityWellKnownSeasonedIssuer", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/CoverPage" ], "lang": { "en-us": { "role": { "label": "Entity Well-known Seasoned Issuer", "documentation": "Indicate 'Yes' or 'No' if the registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities Act. Is used on Form Type: 10-K, 10-Q, 8-K, 20-F, 6-K, 10-K/A, 10-Q/A, 20-F/A, 6-K/A, N-CSR, N-Q, N-1A." } } }, "auth_ref": [ "r1059" ] }, "us-gaap_EquipmentExpense": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "EquipmentExpense", "crdr": "debit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfOperations": { "parentTag": "us-gaap_NoninterestExpense", "weight": 1.0, "order": 4.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfOperations" ], "lang": { "en-us": { "role": { "terseLabel": "Occupancy and equipment", "label": "Equipment Expense", "documentation": "This element represents equipment expense including depreciation, repairs, rentals, and service contract costs. This item also includes equipment purchases which do not qualify for capitalization in accordance with the entity's accounting policy. This item may also include furniture expenses." } } }, "auth_ref": [] }, "us-gaap_EquityComponentDomain": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "EquityComponentDomain", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfChangesInStockholdersEquity", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/NatureOfOperationsAndBasisOfPresentationAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "label": "Equity Component [Domain]", "documentation": "Components of equity are the parts of the total Equity balance including that which is allocated to common, preferred, treasury stock, retained earnings, etc." } } }, "auth_ref": [ "r28", "r264", "r289", "r290", "r291", "r313", "r314", "r315", "r319", "r329", "r331", "r346", "r414", "r420", "r486", "r553", "r554", "r555", "r575", "r576", "r602", "r604", "r605", "r606", "r607", "r609", "r619", "r644", "r646", "r647", "r648", "r649", "r650", "r676", "r808", "r809", "r810", "r833", "r900" ] }, "bcow_EquityInUndistributedIncomeLossOfBank": { "xbrltype": "monetaryItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "EquityInUndistributedIncomeLossOfBank", "crdr": "credit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureParentCompanyOnlyFinancialStatementsSummaryOfCondensedFinancialStatementsOfParentHoldingCompanyDetail3": { "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": -1.0, "order": 0.0 }, "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureParentCompanyOnlyFinancialStatementsSummaryOfCondensedFinancialStatementsOfParentHoldingCompanyDetail4": { "parentTag": "us-gaap_NetIncomeLoss", "weight": 1.0, "order": 1.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureParentCompanyOnlyFinancialStatementsSummaryOfCondensedFinancialStatementsOfParentHoldingCompanyDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Equity in undistributed earnings of bank", "negatedLabel": "Equity in undistributed loss (income) of bank", "label": "Equity In Undistributed Income (Loss) Of Bank", "documentation": "Equity in undistributed income (loss) of bank." } } }, "auth_ref": [] }, "us-gaap_EquitySecuritiesFvNi": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "EquitySecuritiesFvNi", "crdr": "debit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedBalanceSheets": { "parentTag": "us-gaap_Assets", "weight": 1.0, "order": 2.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedBalanceSheets" ], "lang": { "en-us": { "role": { "terseLabel": "Marketable equity securities, stated at fair value", "label": "Equity Securities, FV-NI, Current", "documentation": "Amount of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI), classified as current." } } }, "auth_ref": [ "r274", "r635", "r925" ] }, "us-gaap_EquitySecuritiesFvNiRealizedGainLoss": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "EquitySecuritiesFvNiRealizedGainLoss", "crdr": "credit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfCashFlows": { "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": -1.0, "order": 3.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfCashFlows" ], "lang": { "en-us": { "role": { "negatedLabel": "Net change in fair value of marketable equity securities", "label": "Equity Securities, FV-NI, Realized Gain (Loss)", "totalLabel": "Equity Securities, FV-NI, Realized Gain (Loss), Total", "documentation": "Amount of realized gain (loss) from sale of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI)." } } }, "auth_ref": [ "r797", "r1153" ] }, "ecd_EquityValuationAssumptionDifferenceFnTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://xbrl.sec.gov/ecd/2023", "localname": "EquityValuationAssumptionDifferenceFnTextBlock", "presentation": [ "http://xbrl.sec.gov/ecd/role/PvpDisclosure" ], "lang": { "en-us": { "role": { "label": "Equity Valuation Assumption Difference, Footnote [Text Block]", "terseLabel": "Equity Valuation Assumption Difference, Footnote" } } }, "auth_ref": [ "r1026" ] }, "ecd_ErrCompAnalysisTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://xbrl.sec.gov/ecd/2023", "localname": "ErrCompAnalysisTextBlock", "presentation": [ "http://xbrl.sec.gov/ecd/role/ErrCompDisclosure" ], "lang": { "en-us": { "role": { "label": "Erroneous Compensation Analysis [Text Block]", "terseLabel": "Erroneous Compensation Analysis" } } }, "auth_ref": [ "r989", "r1001", "r1011", "r1037" ] }, "ecd_ErrCompRecoveryTable": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/ecd/2023", "localname": "ErrCompRecoveryTable", "presentation": [ "http://xbrl.sec.gov/ecd/role/ErrCompDisclosure" ], "lang": { "en-us": { "role": { "label": "Erroneously Awarded Compensation Recovery [Table]", "terseLabel": "Erroneously Awarded Compensation Recovery" } } }, "auth_ref": [ "r986", "r998", "r1008", "r1034" ] }, "bcow_EstablishmentOfAllowanceForCreditLossesUnfundedLoanCommitments": { "xbrltype": "monetaryItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "EstablishmentOfAllowanceForCreditLossesUnfundedLoanCommitments", "crdr": "credit", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/SummaryOfSignificantAccountingPoliciesAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Establishment of allowance for credit losses unfunded loan commitment", "label": "Establishment Of Allowance For Credit Losses Unfunded Loan Commitments", "documentation": "Establishment of allowance for credit losses unfunded loan commitments." } } }, "auth_ref": [] }, "ecd_ExecutiveCategoryAxis": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/ecd/2023", "localname": "ExecutiveCategoryAxis", "presentation": [ "http://xbrl.sec.gov/ecd/role/PvpDisclosure" ], "lang": { "en-us": { "role": { "label": "Executive Category [Axis]", "terseLabel": "Executive Category:" } } }, "auth_ref": [ "r1032" ] }, "us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/FairValueScheduleOfQuantitativeInformationAboutNonrecurringLevel3FairValueMeasurementsDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/FairValueSummaryOfAssetsMeasuredAtFairValueOnARecurringBasisDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/FairValueSummaryOfCarryingValuesAndEstimatedFairValuesOfFinancialInstrumentsDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]", "label": "Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]", "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table." } } }, "auth_ref": [ "r624", "r625", "r629" ] }, "us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/FairValueScheduleOfQuantitativeInformationAboutNonrecurringLevel3FairValueMeasurementsDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/FairValueSummaryOfAssetsMeasuredAtFairValueOnARecurringBasisDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/FairValueSummaryOfCarryingValuesAndEstimatedFairValuesOfFinancialInstrumentsDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Fair Value Measurements, Recurring and Nonrecurring [Table]", "label": "Fair Value, Recurring and Nonrecurring [Table]", "documentation": "Disclosure of information about asset and liability measured at fair value on recurring and nonrecurring basis." } } }, "auth_ref": [ "r624", "r625", "r629" ] }, "us-gaap_FairValueAssetsMeasuredOnNonrecurringBasisValuationTechniquesTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "FairValueAssetsMeasuredOnNonrecurringBasisValuationTechniquesTextBlock", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/FairValueTables" ], "lang": { "en-us": { "role": { "terseLabel": "Schedule of Quantitative Information about Nonrecurring Level 3 Fair Value Measurements", "label": "Fair Value, Assets and Liabilities Measured on Nonrecurring Basis, Valuation Techniques [Table Text Block]", "documentation": "Tabular disclosure of input and valuation technique used to measure fair value and change in valuation approach and technique used to measure similar asset in prior period by class of asset or liability on non-recurring basis." } } }, "auth_ref": [ "r30" ] }, "us-gaap_FairValueAssetsMeasuredOnRecurringBasisTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "FairValueAssetsMeasuredOnRecurringBasisTextBlock", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/FairValueTables" ], "lang": { "en-us": { "role": { "terseLabel": "Summary of Assets Measured at Fair Value on a Recurring Basis", "label": "Fair Value, Assets Measured on Recurring Basis [Table Text Block]", "documentation": "Tabular disclosure of assets, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, by class that are measured at fair value on a recurring basis. The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3)." } } }, "auth_ref": [ "r118", "r182" ] }, "us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/FairValueScheduleOfQuantitativeInformationAboutNonrecurringLevel3FairValueMeasurementsDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/FairValueSummaryOfAssetsMeasuredAtFairValueOnARecurringBasisDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Asset Class [Domain]", "label": "Asset Class [Domain]", "documentation": "Class of asset." } } }, "auth_ref": [ "r31" ] }, "us-gaap_FairValueByAssetClassAxis": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "FairValueByAssetClassAxis", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/FairValueScheduleOfQuantitativeInformationAboutNonrecurringLevel3FairValueMeasurementsDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/FairValueSummaryOfAssetsMeasuredAtFairValueOnARecurringBasisDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Asset Class [Axis]", "label": "Asset Class [Axis]", "documentation": "Information by class of asset." } } }, "auth_ref": [ "r118", "r119" ] }, "us-gaap_FairValueByBalanceSheetGroupingTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "FairValueByBalanceSheetGroupingTextBlock", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/FairValueTables" ], "lang": { "en-us": { "role": { "terseLabel": "Summary of Carrying Values and Estimated Fair Values of Financial Instruments", "label": "Fair Value, by Balance Sheet Grouping [Table Text Block]", "documentation": "Tabular disclosure of the fair value of financial instruments, including financial assets and financial liabilities, and the measurements of those instruments, assets, and liabilities." } } }, "auth_ref": [ "r118", "r120" ] }, "us-gaap_FairValueByFairValueHierarchyLevelAxis": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "FairValueByFairValueHierarchyLevelAxis", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/FairValueSummaryOfAssetsMeasuredAtFairValueOnARecurringBasisDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/FairValueSummaryOfCarryingValuesAndEstimatedFairValuesOfFinancialInstrumentsDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Fair Value Hierarchy and NAV [Axis]", "label": "Fair Value Hierarchy and NAV [Axis]", "documentation": "Information by level within fair value hierarchy and fair value measured at net asset value per share as practical expedient." } } }, "auth_ref": [ "r470", "r499", "r500", "r501", "r502", "r503", "r504", "r625", "r691", "r692", "r693", "r947", "r948", "r953", "r954", "r955" ] }, "us-gaap_FairValueByMeasurementBasisAxis": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "FairValueByMeasurementBasisAxis", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/FairValueSummaryOfCarryingValuesAndEstimatedFairValuesOfFinancialInstrumentsDetail" ], "lang": { "en-us": { "role": { "label": "Measurement Basis [Axis]", "documentation": "Information by measurement basis." } } }, "auth_ref": [ "r37", "r118", "r470", "r947", "r948" ] }, "us-gaap_FairValueByMeasurementFrequencyAxis": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "FairValueByMeasurementFrequencyAxis", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/FairValueSummaryOfAssetsMeasuredAtFairValueOnARecurringBasisDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Measurement Frequency [Axis]", "label": "Measurement Frequency [Axis]", "documentation": "Information by measurement frequency." } } }, "auth_ref": [ "r624", "r625", "r627", "r628", "r630" ] }, "bcow_FairValueDisclosureOfMortgageServicingRights": { "xbrltype": "monetaryItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "FairValueDisclosureOfMortgageServicingRights", "crdr": "debit", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/FairValueScheduleOfQuantitativeInformationAboutNonrecurringLevel3FairValueMeasurementsDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Mortgage servicing rights", "label": "fair value disclosure of Mortgage servicing rights", "documentation": "fair value disclosure of Mortgage servicing rights" } } }, "auth_ref": [] }, "bcow_FairValueDisclosureOfRateLockCommitments": { "xbrltype": "monetaryItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "FairValueDisclosureOfRateLockCommitments", "crdr": "debit", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/FairValueScheduleOfQuantitativeInformationAboutNonrecurringLevel3FairValueMeasurementsDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Rate lock commitments", "label": "Fair value disclosure of Rate lock commitments", "documentation": "Fair value disclosure of Rate lock commitments" } } }, "auth_ref": [] }, "us-gaap_FairValueDisclosureOffbalanceSheetRisksAmountLiability": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "FairValueDisclosureOffbalanceSheetRisksAmountLiability", "crdr": "credit", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureCommitmentsAndContingenciesSummaryOfContractAmountsOfCreditrelatedFinancialInstrumentsDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Fixed Rate", "label": "Fair Value Disclosure, off-Balance-Sheet Risks, Amount, Liability", "documentation": "The fair value of financial liabilities, which are not recognized in the financial statements (off-balance sheet) because they fail to meet some other criterion for recognition." } } }, "auth_ref": [ "r637" ] }, "us-gaap_FairValueDisclosuresAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "FairValueDisclosuresAbstract", "lang": { "en-us": { "role": { "label": "Fair Value Disclosures [Abstract]" } } }, "auth_ref": [] }, "us-gaap_FairValueDisclosuresTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "FairValueDisclosuresTextBlock", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/FairValue" ], "lang": { "en-us": { "role": { "terseLabel": "Fair Value", "label": "Fair Value Disclosures [Text Block]", "documentation": "The entire disclosure for the fair value of financial instruments (as defined), including financial assets and financial liabilities (collectively, as defined), and the measurements of those instruments as well as disclosures related to the fair value of non-financial assets and liabilities. Such disclosures about the financial instruments, assets, and liabilities would include: (1) the fair value of the required items together with their carrying amounts (as appropriate); (2) for items for which it is not practicable to estimate fair value, disclosure would include: (a) information pertinent to estimating fair value (including, carrying amount, effective interest rate, and maturity, and (b) the reasons why it is not practicable to estimate fair value; (3) significant concentrations of credit risk including: (a) information about the activity, region, or economic characteristics identifying a concentration, (b) the maximum amount of loss the entity is exposed to based on the gross fair value of the related item, (c) policy for requiring collateral or other security and information as to accessing such collateral or security, and (d) the nature and brief description of such collateral or security; (4) quantitative information about market risks and how such risks are managed; (5) for items measured on both a recurring and nonrecurring basis information regarding the inputs used to develop the fair value measurement; and (6) for items presented in the financial statement for which fair value measurement is elected: (a) information necessary to understand the reasons for the election, (b) discussion of the effect of fair value changes on earnings, (c) a description of [similar groups] items for which the election is made and the relation thereof to the balance sheet, the aggregate carrying value of items included in the balance sheet that are not eligible for the election; (7) all other required (as defined) and desired information." } } }, "auth_ref": [ "r623" ] }, "us-gaap_FairValueInputsLevel1Member": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "FairValueInputsLevel1Member", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/FairValueSummaryOfAssetsMeasuredAtFairValueOnARecurringBasisDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/FairValueSummaryOfCarryingValuesAndEstimatedFairValuesOfFinancialInstrumentsDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Fair Value, Inputs, Level 1 [Member]", "label": "Fair Value, Inputs, Level 1 [Member]", "documentation": "Quoted prices in active markets for identical assets or liabilities that the reporting entity can access at the measurement date." } } }, "auth_ref": [ "r470", "r499", "r504", "r625", "r691", "r953", "r954", "r955" ] }, "us-gaap_FairValueInputsLevel2Member": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "FairValueInputsLevel2Member", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/FairValueSummaryOfAssetsMeasuredAtFairValueOnARecurringBasisDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/FairValueSummaryOfCarryingValuesAndEstimatedFairValuesOfFinancialInstrumentsDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Fair Value, Inputs, Level 2 [Member]", "label": "Fair Value, Inputs, Level 2 [Member]", "documentation": "Inputs other than quoted prices included within level 1 that are observable for an asset or liability, either directly or indirectly, including, but not limited to, quoted prices for similar assets or liabilities in active markets, or quoted prices for identical or similar assets or liabilities in inactive markets." } } }, "auth_ref": [ "r470", "r499", "r504", "r625", "r692", "r947", "r948", "r953", "r954", "r955" ] }, "us-gaap_FairValueInputsLevel3Member": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "FairValueInputsLevel3Member", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/FairValueSummaryOfCarryingValuesAndEstimatedFairValuesOfFinancialInstrumentsDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Fair Value, Inputs, Level 3 [Member]", "label": "Fair Value, Inputs, Level 3 [Member]", "documentation": "Unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing." } } }, "auth_ref": [ "r470", "r499", "r500", "r501", "r502", "r503", "r504", "r625", "r693", "r947", "r948", "r953", "r954", "r955" ] }, "us-gaap_FairValueMeasurementFrequencyDomain": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "FairValueMeasurementFrequencyDomain", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/FairValueSummaryOfAssetsMeasuredAtFairValueOnARecurringBasisDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Fair Value, Measurement Frequency [Domain]", "label": "Measurement Frequency [Domain]", "documentation": "Measurement frequency." } } }, "auth_ref": [] }, "us-gaap_FairValueMeasurementsFairValueHierarchyDomain": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "FairValueMeasurementsFairValueHierarchyDomain", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/FairValueSummaryOfAssetsMeasuredAtFairValueOnARecurringBasisDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/FairValueSummaryOfCarryingValuesAndEstimatedFairValuesOfFinancialInstrumentsDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Fair Value Hierarchy and NAV [Domain]", "label": "Fair Value Hierarchy and NAV [Domain]", "documentation": "Categories used to prioritize the inputs to valuation techniques to measure fair value." } } }, "auth_ref": [ "r470", "r499", "r500", "r501", "r502", "r503", "r504", "r691", "r692", "r693", "r947", "r948", "r953", "r954", "r955" ] }, "us-gaap_FairValueMeasurementsRecurringMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "FairValueMeasurementsRecurringMember", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/FairValueSummaryOfAssetsMeasuredAtFairValueOnARecurringBasisDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Fair Value, Measurements, Recurring [Member]", "label": "Fair Value, Recurring [Member]", "documentation": "Frequent fair value measurement. Includes, but is not limited to, fair value adjustment for impairment of asset, liability or equity, frequently measured at fair value." } } }, "auth_ref": [ "r623", "r630" ] }, "us-gaap_FairValueOffBalanceSheetRisksDisclosureInformationLineItems": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "FairValueOffBalanceSheetRisksDisclosureInformationLineItems", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureCommitmentsAndContingenciesSummaryOfContractAmountsOfCreditrelatedFinancialInstrumentsDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]", "label": "Fair Value, off-Balance-Sheet Risks, Disclosure Information [Line Items]", "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table." } } }, "auth_ref": [] }, "us-gaap_FederalDepositInsuranceCorporationPremiumExpense": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "FederalDepositInsuranceCorporationPremiumExpense", "crdr": "debit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfOperations": { "parentTag": "us-gaap_NoninterestExpense", "weight": 1.0, "order": 5.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfOperations" ], "lang": { "en-us": { "role": { "terseLabel": "FDIC assessment", "label": "Federal Deposit Insurance Corporation Premium Expense", "documentation": "Amount of expense for Federal Deposit Insurance Corporation (FDIC) insurance." } } }, "auth_ref": [ "r204" ] }, "bcow_FederalFundRateMember": { "xbrltype": "domainItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "FederalFundRateMember", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/FhlbAdvancesAndOtherBorrowingsAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "documentation": "Federal Fund Rate Member", "terseLabel": "Federal Fund Rate [Member]", "label": "Federal Fund Rate [Member]" } } }, "auth_ref": [] }, "us-gaap_FederalFundsEffectiveSwapRateMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "FederalFundsEffectiveSwapRateMember", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/FhlbAdvancesAndOtherBorrowingsAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "label": "Fed Funds Effective Rate Overnight Index Swap Rate [Member]", "documentation": "Fixed rate on U.S. dollar, constant-notional interest rate swap having its variable-rate leg referenced to Federal Funds effective rate with no additional spread over Federal Funds effective rate on that variable-rate leg." } } }, "auth_ref": [ "r1210" ] }, "bcow_FederalFundsRateMember": { "xbrltype": "domainItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "FederalFundsRateMember", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/NatureOfOperationsAndBasisOfPresentationAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "documentation": "Federal Funds Rate Member", "terseLabel": "Federal funds rate [Member]", "label": "Federal Funds Rate [Member]" } } }, "auth_ref": [] }, "us-gaap_FederalFundsSold": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "FederalFundsSold", "crdr": "debit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedBalanceSheets": { "parentTag": "us-gaap_CashCashEquivalentsAndFederalFundsSold", "weight": 1.0, "order": 1.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedBalanceSheets" ], "lang": { "en-us": { "role": { "terseLabel": "Fed funds sold", "label": "Federal Funds Sold", "documentation": "The amount outstanding of funds lent to other depository institutions, securities brokers, or securities dealers in the form of Federal Funds sold; for example, immediately available funds lent under agreements or contracts that mature in one business day or roll over under a continuing contract, regardless of the nature of the transaction or the collateral involved, excluding overnight lending for commercial and industrial purposes. Also include Federal Funds sold under agreements to resell on a gross basis, excluding (1) sales of term Federal Funds, (2) due bills representing purchases of securities or other assets by the reporting bank that have not yet been delivered and similar instruments, (3) resale agreements that mature in more than one business day involving assets other than securities, and (4) yield maintenance dollar repurchase agreements." } } }, "auth_ref": [ "r132" ] }, "us-gaap_FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresAmountOfAvailableUnusedFunds": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresAmountOfAvailableUnusedFunds", "crdr": "credit", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/FhlbAdvancesAndOtherBorrowingsAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Available and unused funds under borrowing agreement", "label": "Federal Home Loan Bank, Advances, General Debt Obligations, Amount of Available, Unused Funds", "documentation": "Amount of advances or credit lines available from the Federal Home Loan Bank (FHLB)." } } }, "auth_ref": [ "r46", "r192", "r212" ] }, "us-gaap_FederalHomeLoanBankAdvancesInterestRate": { "xbrltype": "percentItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "FederalHomeLoanBankAdvancesInterestRate", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/FhlbAdvancesAndOtherBorrowingsSummaryOfFederalHomeLoanBankAdvancesDetail" ], "lang": { "en-us": { "role": { "terseLabel": "FHLB advances, interest rate", "label": "Federal Home Loan Bank, Advances, Interest Rate", "documentation": "Interest rate of advances made and reported by Federal Home Loan Bank (FHLBank)." } } }, "auth_ref": [] }, "us-gaap_FederalHomeLoanBankAdvancesLineItems": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "FederalHomeLoanBankAdvancesLineItems", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/FhlbAdvancesAndOtherBorrowingsAdditionalInformationDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/FhlbAdvancesAndOtherBorrowingsSummaryOfFederalHomeLoanBankAdvancesDetail" ], "lang": { "en-us": { "role": { "label": "Federal Home Loan Bank, Advances [Line Items]", "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table." } } }, "auth_ref": [] }, "us-gaap_FederalHomeLoanBankAdvancesMaturitiesSummaryDueAfterFiveYearsOfBalanceSheetDate": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "FederalHomeLoanBankAdvancesMaturitiesSummaryDueAfterFiveYearsOfBalanceSheetDate", "crdr": "credit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/FhlbAdvancesAndOtherBorrowingsScheduleOfMaturitiesOfFederalHomeLoanBankAdvancesDetail": { "parentTag": "us-gaap_AdvancesFromFederalHomeLoanBanks", "weight": 1.0, "order": 5.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/FhlbAdvancesAndOtherBorrowingsScheduleOfMaturitiesOfFederalHomeLoanBankAdvancesDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Thereafter", "label": "Federal Home Loan Bank, Advance, Maturity, after Year Five", "totalLabel": "Federal Home Loan Bank, Advance, Maturity, after Year Five, Total", "documentation": "Amount of advance from Federal Home Loan Bank (FHLBank) maturing after fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach)." } } }, "auth_ref": [ "r13", "r212" ] }, "us-gaap_FederalHomeLoanBankAdvancesMaturitiesSummaryDueFromFourToFiveYearsOfBalanceSheetDate": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "FederalHomeLoanBankAdvancesMaturitiesSummaryDueFromFourToFiveYearsOfBalanceSheetDate", "crdr": "credit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/FhlbAdvancesAndOtherBorrowingsScheduleOfMaturitiesOfFederalHomeLoanBankAdvancesDetail": { "parentTag": "us-gaap_AdvancesFromFederalHomeLoanBanks", "weight": 1.0, "order": 4.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/FhlbAdvancesAndOtherBorrowingsScheduleOfMaturitiesOfFederalHomeLoanBankAdvancesDetail" ], "lang": { "en-us": { "role": { "terseLabel": "2028", "label": "Federal Home Loan Bank, Advance, Maturity, Year Five", "documentation": "Amount of advance from Federal Home Loan Bank (FHLBank) maturing in fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach)." } } }, "auth_ref": [ "r13", "r212" ] }, "us-gaap_FederalHomeLoanBankAdvancesMaturitiesSummaryDueFromOneToTwoYearsOfBalanceSheetDate": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "FederalHomeLoanBankAdvancesMaturitiesSummaryDueFromOneToTwoYearsOfBalanceSheetDate", "crdr": "credit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/FhlbAdvancesAndOtherBorrowingsScheduleOfMaturitiesOfFederalHomeLoanBankAdvancesDetail": { "parentTag": "us-gaap_AdvancesFromFederalHomeLoanBanks", "weight": 1.0, "order": 1.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/FhlbAdvancesAndOtherBorrowingsScheduleOfMaturitiesOfFederalHomeLoanBankAdvancesDetail" ], "lang": { "en-us": { "role": { "terseLabel": "2025", "label": "Federal Home Loan Bank, Advance, Maturity, Year Two", "documentation": "Amount of advance from Federal Home Loan Bank (FHLBank) maturing in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach)." } } }, "auth_ref": [ "r13", "r212" ] }, "us-gaap_FederalHomeLoanBankAdvancesMaturitiesSummaryDueFromThreeToFourYearsOfBalanceSheetDate": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "FederalHomeLoanBankAdvancesMaturitiesSummaryDueFromThreeToFourYearsOfBalanceSheetDate", "crdr": "credit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/FhlbAdvancesAndOtherBorrowingsScheduleOfMaturitiesOfFederalHomeLoanBankAdvancesDetail": { "parentTag": "us-gaap_AdvancesFromFederalHomeLoanBanks", "weight": 1.0, "order": 3.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/FhlbAdvancesAndOtherBorrowingsScheduleOfMaturitiesOfFederalHomeLoanBankAdvancesDetail" ], "lang": { "en-us": { "role": { "terseLabel": "2027", "label": "Federal Home Loan Bank, Advance, Maturity, Year Four", "documentation": "Amount of advance from Federal Home Loan Bank (FHLBank) maturing in fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach)." } } }, "auth_ref": [ "r13", "r212" ] }, "us-gaap_FederalHomeLoanBankAdvancesMaturitiesSummaryDueFromTwoToThreeYearsOfBalanceSheetDate": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "FederalHomeLoanBankAdvancesMaturitiesSummaryDueFromTwoToThreeYearsOfBalanceSheetDate", "crdr": "credit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/FhlbAdvancesAndOtherBorrowingsScheduleOfMaturitiesOfFederalHomeLoanBankAdvancesDetail": { "parentTag": "us-gaap_AdvancesFromFederalHomeLoanBanks", "weight": 1.0, "order": 2.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/FhlbAdvancesAndOtherBorrowingsScheduleOfMaturitiesOfFederalHomeLoanBankAdvancesDetail" ], "lang": { "en-us": { "role": { "terseLabel": "2026", "label": "Federal Home Loan Bank, Advance, Maturity, Year Three", "documentation": "Amount of advance from Federal Home Loan Bank (FHLBank) maturing in third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach)." } } }, "auth_ref": [ "r13", "r212" ] }, "us-gaap_FederalHomeLoanBankAdvancesMaturitiesSummaryDueWithinOneYearOfBalanceSheetDate": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "FederalHomeLoanBankAdvancesMaturitiesSummaryDueWithinOneYearOfBalanceSheetDate", "crdr": "credit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/FhlbAdvancesAndOtherBorrowingsScheduleOfMaturitiesOfFederalHomeLoanBankAdvancesDetail": { "parentTag": "us-gaap_AdvancesFromFederalHomeLoanBanks", "weight": 1.0, "order": 0.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/FhlbAdvancesAndOtherBorrowingsScheduleOfMaturitiesOfFederalHomeLoanBankAdvancesDetail" ], "lang": { "en-us": { "role": { "terseLabel": "2024", "label": "Federal Home Loan Bank, Advance, Maturity, Year One", "totalLabel": "Federal Home Loan Bank, Advance, Maturity, Year One, Total", "documentation": "Amount of advance from Federal Home Loan Bank (FHLBank) maturing in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach)." } } }, "auth_ref": [ "r13", "r212" ] }, "us-gaap_FederalHomeLoanBankAdvancesMaturityRollingYearParValueAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "FederalHomeLoanBankAdvancesMaturityRollingYearParValueAbstract", "lang": { "en-us": { "role": { "terseLabel": "Federal Home Loan Bank Advances Maturity Rolling Year Par Value [Abstract]", "label": "Federal Home Loan Bank, Advances, Par Value, Maturity, Rolling Year [Abstract]" } } }, "auth_ref": [] }, "bcow_FederalHomeLoanBankAdvancesPolicyPolicyTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "FederalHomeLoanBankAdvancesPolicyPolicyTextBlock", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/SummaryOfSignificantAccountingPoliciesPolicies" ], "lang": { "en-us": { "role": { "verboseLabel": "Federal Home Loan Bank Stock", "label": "Federal Home Loan Bank Advances Policy [Policy Text Block]", "documentation": "Disclosure of accounting policy for federal home loan bank loan stock." } } }, "auth_ref": [] }, "us-gaap_FederalHomeLoanBankAdvancesTable": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "FederalHomeLoanBankAdvancesTable", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/FhlbAdvancesAndOtherBorrowingsAdditionalInformationDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/FhlbAdvancesAndOtherBorrowingsSummaryOfFederalHomeLoanBankAdvancesDetail" ], "lang": { "en-us": { "role": { "label": "Federal Home Loan Bank, Advances [Table]", "documentation": "Disclosure of information about advances made and reported by Federal Home Loan Bank (FHLBank)." } } }, "auth_ref": [] }, "us-gaap_FederalHomeLoanBankAdvancesTableTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "FederalHomeLoanBankAdvancesTableTextBlock", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/FhlbAdvancesAndOtherBorrowingsTables" ], "lang": { "en-us": { "role": { "terseLabel": "Summary of Federal Home Loan Bank Advances", "label": "Federal Home Loan Bank, Advances [Table Text Block]", "documentation": "Tabular disclosure of advances made and reported by Federal Home Loan Bank (FHLBank)." } } }, "auth_ref": [] }, "us-gaap_FederalHomeLoanBankAdvancesTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "FederalHomeLoanBankAdvancesTextBlock", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/FhlbAdvancesAndOtherBorrowings" ], "lang": { "en-us": { "role": { "terseLabel": "FHLB Advances and Other Borrowings", "label": "Federal Home Loan Bank, Advances [Text Block]", "documentation": "The entire disclosure of advances made and reported by Federal Home Loan Bank (FHLBank)." } } }, "auth_ref": [ "r185" ] }, "us-gaap_FederalHomeLoanBankAdvancesWeightedAverageInterestRate": { "xbrltype": "percentItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "FederalHomeLoanBankAdvancesWeightedAverageInterestRate", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/FhlbAdvancesAndOtherBorrowingsScheduleOfMaturitiesOfFederalHomeLoanBankAdvancesDetail" ], "lang": { "en-us": { "role": { "totalLabel": "Total", "label": "Federal Home Loan Bank, Advances, Weighted Average Interest Rate", "documentation": "Weighted average interest rate on advances made and reported by Federal Home Loan Bank (FHLBank)." } } }, "auth_ref": [] }, "us-gaap_FederalHomeLoanBankAdvancesWeightedAverageInterestRateMaturingAfterRollingYearFive": { "xbrltype": "percentItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "FederalHomeLoanBankAdvancesWeightedAverageInterestRateMaturingAfterRollingYearFive", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/FhlbAdvancesAndOtherBorrowingsScheduleOfMaturitiesOfFederalHomeLoanBankAdvancesDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Thereafter", "label": "Federal Home Loan Bank, Advances, Weighted Average Interest Rate, Maturing after Rolling Year Five", "documentation": "Weighted average interest rate on advances made and reported by Federal Home Loan Bank (FHLBank) maturing after the fifth rolling twelve months following the latest balance sheet. For interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date." } } }, "auth_ref": [] }, "us-gaap_FederalHomeLoanBankAdvancesWeightedAverageInterestRateMaturingInNextTwelveRollingMonths": { "xbrltype": "percentItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "FederalHomeLoanBankAdvancesWeightedAverageInterestRateMaturingInNextTwelveRollingMonths", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/FhlbAdvancesAndOtherBorrowingsScheduleOfMaturitiesOfFederalHomeLoanBankAdvancesDetail" ], "lang": { "en-us": { "role": { "terseLabel": "2024", "label": "Federal Home Loan Bank, Advances, Weighted Average Interest Rate, Maturing in Next 12 Rolling Months", "documentation": "Weighted average interest rate on advances made and reported by Federal Home Loan Bank (FHLBank) maturing in the next rolling twelve months following the latest balance sheet. For interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date." } } }, "auth_ref": [] }, "us-gaap_FederalHomeLoanBankAdvancesWeightedAverageInterestRateMaturingInRollingYearFive": { "xbrltype": "percentItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "FederalHomeLoanBankAdvancesWeightedAverageInterestRateMaturingInRollingYearFive", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/FhlbAdvancesAndOtherBorrowingsScheduleOfMaturitiesOfFederalHomeLoanBankAdvancesDetail" ], "lang": { "en-us": { "role": { "terseLabel": "2028", "label": "Federal Home Loan Bank, Advances, Weighted Average Interest Rate, Maturing in Rolling Year Five", "documentation": "Weighted average interest rate on advances made and reported by Federal Home Loan Bank (FHLBank) maturing in the fifth rolling twelve months following the latest balance sheet. For interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date." } } }, "auth_ref": [] }, "us-gaap_FederalHomeLoanBankAdvancesWeightedAverageInterestRateMaturingInRollingYearFour": { "xbrltype": "percentItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "FederalHomeLoanBankAdvancesWeightedAverageInterestRateMaturingInRollingYearFour", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/FhlbAdvancesAndOtherBorrowingsScheduleOfMaturitiesOfFederalHomeLoanBankAdvancesDetail" ], "lang": { "en-us": { "role": { "terseLabel": "2027", "label": "Federal Home Loan Bank, Advances, Weighted Average Interest Rate, Maturing in Rolling Year Four", "documentation": "Weighted average interest rate on advances made and reported by Federal Home Loan Bank (FHLBank) maturing in the fourth rolling twelve months following the latest balance sheet. For interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date." } } }, "auth_ref": [] }, "us-gaap_FederalHomeLoanBankAdvancesWeightedAverageInterestRateMaturingInRollingYearThree": { "xbrltype": "percentItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "FederalHomeLoanBankAdvancesWeightedAverageInterestRateMaturingInRollingYearThree", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/FhlbAdvancesAndOtherBorrowingsScheduleOfMaturitiesOfFederalHomeLoanBankAdvancesDetail" ], "lang": { "en-us": { "role": { "terseLabel": "2026", "label": "Federal Home Loan Bank Advances, Weighted Average Interest Rate, Maturing in Rolling Year Three", "documentation": "Weighted average interest rate on advances made and reported by Federal Home Loan Bank maturing in the third rolling twelve months following the latest balance sheet. For interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date." } } }, "auth_ref": [] }, "us-gaap_FederalHomeLoanBankAdvancesWeightedAverageInterestRateMaturingInRollingYearTwo": { "xbrltype": "percentItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "FederalHomeLoanBankAdvancesWeightedAverageInterestRateMaturingInRollingYearTwo", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/FhlbAdvancesAndOtherBorrowingsScheduleOfMaturitiesOfFederalHomeLoanBankAdvancesDetail" ], "lang": { "en-us": { "role": { "terseLabel": "2025", "label": "Federal Home Loan Bank Advances, Weighted Average Interest Rate, Maturing in Rolling Year Two", "documentation": "Weighted average interest rate on advances made and reported by Federal Home Loan Bank (FHLBank) maturing in the second rolling twelve months following the latest balance sheet. For interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date." } } }, "auth_ref": [] }, "us-gaap_FederalHomeLoanBankStock": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "FederalHomeLoanBankStock", "crdr": "debit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedBalanceSheets": { "parentTag": "us-gaap_Assets", "weight": 1.0, "order": 6.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedBalanceSheets", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/FairValueSummaryOfCarryingValuesAndEstimatedFairValuesOfFinancialInstrumentsDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/FhlbAdvancesAndOtherBorrowingsAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "label": "FHLB Stock", "verboseLabel": "Federal Home Loan Bank stock held", "terseLabel": "Federal Home Loan Bank (FHLB) stock, at cost", "documentation": "Federal Home Loan Bank (FHLB) stock represents an equity interest in a FHLB. It does not have a readily determinable fair value because its ownership is restricted and it lacks a market (liquidity)." } } }, "auth_ref": [ "r211" ] }, "us-gaap_FederalHomeLoanBanksAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "FederalHomeLoanBanksAbstract", "lang": { "en-us": { "role": { "label": "Federal Home Loan Banks [Abstract]" } } }, "auth_ref": [] }, "us-gaap_FederalReserveBankAdvancesMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "FederalReserveBankAdvancesMember", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/CashAndDueFromBanksAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "label": "Federal Reserve Bank Advances [Member]", "documentation": "Borrowings from the Federal Reserve Bank, which are primarily used to cover shortages in the required reserve balance and also in times of liquidity shortages." } } }, "auth_ref": [ "r192" ] }, "us-gaap_FinanceLoanAndLeaseReceivablesHeldForSalePolicy": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "FinanceLoanAndLeaseReceivablesHeldForSalePolicy", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/SummaryOfSignificantAccountingPoliciesPolicies" ], "lang": { "en-us": { "role": { "verboseLabel": "Loans Held for Sale", "label": "Financing Receivable, Held-for-Sale [Policy Text Block]", "documentation": "Disclosure of accounting policy for financing receivables classified as held-for-sale." } } }, "auth_ref": [ "r214", "r215", "r226", "r363" ] }, "us-gaap_FinancialAssetPastDueMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "FinancialAssetPastDueMember", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/LoansScheduleOfAnalysisOfPastDueLoansDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Total Past Due [Member]", "label": "Financial Asset, Past Due [Member]", "documentation": "Financial asset past due." } } }, "auth_ref": [ "r425", "r944", "r1137" ] }, "us-gaap_FinancialInstrumentAxis": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "FinancialInstrumentAxis", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/AvailableForSaleSecuritiesSummaryOfAmortizedCostsAndFairValueOfSecuritiesAvailableForSaleDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/AvailableForSaleSecuritiesSummaryOfAmortizedCostsAndFairValuesOfSecuritiesAvailableForSaleByContractualMaturityDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/AvailableForSaleSecuritiesSummaryOfGrossUnrealizedLossesOnSecuritiesAvailableForSaleAndFairValuesDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureAvailableForSaleSecuritiesSummaryOfNumberOfDebtSecuritiesInAnUnrealizedLossPositionAndTheAggregateDepreciationDetails", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureCommitmentsAndContingenciesSummaryOfContractAmountsOfCreditrelatedFinancialInstrumentsDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureLoansSummaryOfActivityInAllowanceForLoanAndLeaseLossesDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureLoansSummaryOfAllowanceForLoanAndLeaseLossesForLoansEvaluatedIndividuallyAndCollectivelyForImpairmentDetails", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureLoansSummaryOfAmortizedCostBasisOfLoansByCreditQualityIndicatorAndOriginationYearDetails", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureLoansSummaryOfGrossChargeoffsOfLoansForPortfolioClassByOriginationYearDetails", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/FairValueSummaryOfAssetsMeasuredAtFairValueOnARecurringBasisDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/LoansSummaryOfAllowanceForLoanAndLeaseLossesForLoansEvaluatedIndividuallyAndCollectivelyForImpairmentDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Financial Instrument [Axis]", "label": "Financial Instrument [Axis]", "documentation": "Information by type of financial instrument." } } }, "auth_ref": [ "r375", "r376", "r377", "r378", "r379", "r380", "r381", "r382", "r383", "r384", "r385", "r386", "r387", "r388", "r389", "r390", "r391", "r392", "r393", "r394", "r395", "r396", "r397", "r398", "r399", "r400", "r401", "r402", "r403", "r404", "r421", "r422", "r425", "r426", "r431", "r437", "r442", "r443", "r478", "r484", "r610", "r688", "r689", "r690", "r691", "r692", "r693", "r695", "r696", "r697", "r702", "r703", "r704", "r705", "r708", "r713", "r719", "r720", "r721", "r722", "r725", "r726", "r727", "r728", "r729", "r730", "r731", "r732", "r734", "r735", "r736", "r794", "r945", "r1071", "r1072", "r1073", "r1074", "r1075", "r1076", "r1077", "r1149", "r1150", "r1151", "r1152" ] }, "us-gaap_FinancialInstrumentPerformanceStatusAxis": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "FinancialInstrumentPerformanceStatusAxis", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureLoansSummaryOfAmortizedCostBasisOfLoansByCreditQualityIndicatorAndOriginationYearDetails", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/LoansSummaryOfInformationRegardingTheCreditQualityIndicatorsForResidentialRealEstateAndConsumerLoansDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/LoansSummaryOfInternalRiskRatingsOfLoansDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Financial Instrument Performance Status [Axis]", "label": "Financial Instrument Performance Status [Axis]", "documentation": "Information by category of performance or non-performance status of financial instruments." } } }, "auth_ref": [ "r1160" ] }, "us-gaap_FinancialInstrumentPerformanceStatusDomain": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "FinancialInstrumentPerformanceStatusDomain", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureLoansSummaryOfAmortizedCostBasisOfLoansByCreditQualityIndicatorAndOriginationYearDetails", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/LoansSummaryOfInformationRegardingTheCreditQualityIndicatorsForResidentialRealEstateAndConsumerLoansDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/LoansSummaryOfInternalRiskRatingsOfLoansDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Financial Instrument Performance Status [Domain]", "label": "Financial Instrument Performance Status [Domain]", "documentation": "Category of performance or non-performance status of financial instruments, including but not limited to, financing receivables, loans, debt, and investments." } } }, "auth_ref": [] }, "us-gaap_FinancialSupportToNonconsolidatedLegalEntityAxis": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "FinancialSupportToNonconsolidatedLegalEntityAxis", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureCommitmentsAndContingenciesSummaryOfContractAmountsOfCreditrelatedFinancialInstrumentsDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Financial Support to Nonconsolidated Legal Entity [Axis]", "label": "Financial Support to Nonconsolidated Legal Entity [Axis]", "documentation": "Information by financial support arrangement provided to a nonconsolidated legal entity that is required to comply with or operate in accordance with requirements that are similar to those included in Rule 2a-7 of the Investment Company Act of 1940 for registered money market funds." } } }, "auth_ref": [ "r0", "r827", "r828" ] }, "us-gaap_FinancialSupportToNonconsolidatedLegalEntityDomain": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "FinancialSupportToNonconsolidatedLegalEntityDomain", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureCommitmentsAndContingenciesSummaryOfContractAmountsOfCreditrelatedFinancialInstrumentsDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Financial Support to Nonconsolidated Legal Entity [Domain]", "label": "Financial Support to Nonconsolidated Legal Entity [Domain]", "documentation": "Financial support arrangement provided to a nonconsolidated legal entity that is required to comply with or operate in accordance with requirements that are similar to those included in Rule 2a-7 of the Investment Company Act of 1940 for registered money market funds." } } }, "auth_ref": [ "r0", "r827", "r828" ] }, "us-gaap_FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment", "crdr": "credit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/LoansSummaryOfAllowanceForLoanAndLeaseLossesForLoansEvaluatedIndividuallyAndCollectivelyForImpairmentDetail": { "parentTag": "us-gaap_LoansAndLeasesReceivableAllowance", "weight": 1.0, "order": 0.0 }, "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureLoansSummaryOfAllowanceForLoanAndLeaseLossesForLoansEvaluatedIndividuallyAndCollectivelyForImpairmentDetails": { "parentTag": "us-gaap_LoansAndLeasesReceivableAllowance", "weight": 1.0, "order": 0.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureLoansSummaryOfAllowanceForLoanAndLeaseLossesForLoansEvaluatedIndividuallyAndCollectivelyForImpairmentDetails", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/LoansSummaryOfAllowanceForLoanAndLeaseLossesForLoansEvaluatedIndividuallyAndCollectivelyForImpairmentDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Collectively evaluated for impairment", "label": "Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment", "documentation": "The valuation allowance for financing receivables that are expected to be uncollectible that were collectively evaluated for impairment." } } }, "auth_ref": [ "r24" ] }, "us-gaap_FinancingReceivableAllowanceForCreditLossesRecovery": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "FinancingReceivableAllowanceForCreditLossesRecovery", "crdr": "credit", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureLoansSummaryOfActivityInAllowanceForLoanAndLeaseLossesDetail" ], "lang": { "en-us": { "role": { "verboseLabel": "Recoveries of loans previously charged off", "label": "Financing Receivable, Allowance for Credit Loss, Recovery", "documentation": "Amount of increase in allowance for credit loss on financing receivable from recovery." } } }, "auth_ref": [ "r23", "r424", "r943" ] }, "us-gaap_FinancingReceivableAllowanceForCreditLossesWriteOffs": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "FinancingReceivableAllowanceForCreditLossesWriteOffs", "crdr": "debit", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureLoansSummaryOfActivityInAllowanceForLoanAndLeaseLossesDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureLoansSummaryOfGrossChargeoffsOfLoansForPortfolioClassByOriginationYearDetails" ], "lang": { "en-us": { "role": { "verboseLabel": "Total Loans, charge-offs", "totalLabel": "Financing Receivable, Allowance for Credit Loss, Writeoff, Total", "negatedLabel": "Loans charged-off", "label": "Financing Receivable, Allowance for Credit Loss, Writeoff", "documentation": "Amount of writeoff of financing receivable, charged against allowance for credit loss." } } }, "auth_ref": [ "r22", "r423", "r433", "r943" ] }, "us-gaap_FinancingReceivableBeforeAllowanceForCreditLossAndFee": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "FinancingReceivableBeforeAllowanceForCreditLossAndFee", "crdr": "debit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureLoansSummaryOfAmortizedCostBasisOfLoansByCreditQualityIndicatorAndOriginationYearDetails": { "parentTag": null, "weight": null, "order": null, "root": true } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureLoansSummaryOfAmortizedCostBasisOfLoansByCreditQualityIndicatorAndOriginationYearDetails" ], "lang": { "en-us": { "role": { "totalLabel": "Total Loans", "terseLabel": "Total Loans", "label": "Financing Receivable, before Allowance for Credit Loss, Fee and Loan in Process", "documentation": "Amortized cost, before allowance for credit loss, fee, and loan in process, of financing receivable. Excludes financing receivable covered under loss sharing agreement and net investment in lease." } } }, "auth_ref": [ "r432", "r1132", "r1232" ] }, "us-gaap_FinancingReceivableCollectivelyEvaluatedForImpairment": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "FinancingReceivableCollectivelyEvaluatedForImpairment", "crdr": "debit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/LoansSummaryOfAllowanceForLoanAndLeaseLossesForLoansEvaluatedIndividuallyAndCollectivelyForImpairmentDetail": { "parentTag": "us-gaap_NotesReceivableNet", "weight": 1.0, "order": 1.0 }, "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureLoansSummaryOfAllowanceForLoanAndLeaseLossesForLoansEvaluatedIndividuallyAndCollectivelyForImpairmentDetails": { "parentTag": "us-gaap_NotesReceivableNet", "weight": 1.0, "order": 1.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureLoansSummaryOfAllowanceForLoanAndLeaseLossesForLoansEvaluatedIndividuallyAndCollectivelyForImpairmentDetails", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/LoansSummaryOfAllowanceForLoanAndLeaseLossesForLoansEvaluatedIndividuallyAndCollectivelyForImpairmentDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Collectively evaluated for impairment", "label": "Financing Receivable, Collectively Evaluated for Impairment", "documentation": "The balance of financing receivables that were collectively evaluated for impairment." } } }, "auth_ref": [ "r361", "r935" ] }, "us-gaap_FinancingReceivableCreditQualityIndicatorsTableTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "FinancingReceivableCreditQualityIndicatorsTableTextBlock", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/LoansTables" ], "lang": { "en-us": { "role": { "terseLabel": "Summary of Information Regarding the Credit Quality Indicators for Residential Real Estate and Consumer Loans", "label": "Financing Receivable Credit Quality Indicators [Table Text Block]", "documentation": "Tabular disclosure of financing receivables by credit quality indicator. The credit quality indicator is a statistic about the credit quality of financing receivables. Examples include, but not limited to, consumer credit risk scores, credit-rating-agency ratings, an entity's internal credit risk grades, loan-to-value ratios, collateral, collection experience and other internal metrics." } } }, "auth_ref": [ "r83", "r1160" ] }, "bcow_FinancingReceivableDeferralAmount": { "xbrltype": "monetaryItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "FinancingReceivableDeferralAmount", "crdr": "credit", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/LoansAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Financing receivable deferral amount", "label": "Financing Receivable Deferral Amount", "documentation": "Financing receivable, deferral amount." } } }, "auth_ref": [] }, "us-gaap_FinancingReceivableImpairedLineItems": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "FinancingReceivableImpairedLineItems", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureLoansSummaryOfInformationRegardingImpairedLoansDetails", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/LoansSummaryOfInformationRegardingImpairedLoansDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Financing Receivable, Impaired [Line Items]", "label": "Financing Receivable, Impaired [Line Items]", "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table." } } }, "auth_ref": [] }, "us-gaap_FinancingReceivableIndividuallyEvaluatedForImpairment": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "FinancingReceivableIndividuallyEvaluatedForImpairment", "crdr": "debit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/LoansSummaryOfAllowanceForLoanAndLeaseLossesForLoansEvaluatedIndividuallyAndCollectivelyForImpairmentDetail": { "parentTag": "us-gaap_NotesReceivableNet", "weight": 1.0, "order": 0.0 }, "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureLoansSummaryOfAllowanceForLoanAndLeaseLossesForLoansEvaluatedIndividuallyAndCollectivelyForImpairmentDetails": { "parentTag": "us-gaap_NotesReceivableNet", "weight": 1.0, "order": 0.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureLoansSummaryOfAllowanceForLoanAndLeaseLossesForLoansEvaluatedIndividuallyAndCollectivelyForImpairmentDetails", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/LoansSummaryOfAllowanceForLoanAndLeaseLossesForLoansEvaluatedIndividuallyAndCollectivelyForImpairmentDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Individually evaluated for impairment", "label": "Financing Receivable, Individually Evaluated for Impairment", "documentation": "The balance of financing receivables that were individually evaluated for impairment." } } }, "auth_ref": [ "r362", "r935" ] }, "bcow_FinancingReceivableInterestRate": { "xbrltype": "percentItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "FinancingReceivableInterestRate", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/LoansAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Financing Receivable, Interest Rate", "label": "Financing Receivable Interest Rate", "documentation": "Financing Receivable, Interest Rate" } } }, "auth_ref": [] }, "us-gaap_FinancingReceivableModificationsPostModificationRecordedInvestment2": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "FinancingReceivableModificationsPostModificationRecordedInvestment2", "crdr": "debit", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/LoansAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Loans modified as troubled debt restructurings", "label": "Financing Receivable, Modified in Period, Amount", "documentation": "Amortized cost of financing receivable modified during period for debtor experiencing financial difficulty." } } }, "auth_ref": [ "r366", "r934", "r1133" ] }, "us-gaap_FinancingReceivableModificationsRecordedInvestment": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "FinancingReceivableModificationsRecordedInvestment", "crdr": "debit", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/LoansAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "verboseLabel": "Troubled debt restructurings amount", "label": "Financing Receivable, Modified, Accumulated", "terseLabel": "Troubled debt restructurings", "documentation": "Accumulated amortized cost of financing receivable modified for debtor experiencing financial difficulty." } } }, "auth_ref": [ "r163", "r1133", "r1135" ] }, "bcow_FinancingReceivableModificationsRecordedInvestmentNonaccrualAmount": { "xbrltype": "monetaryItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "FinancingReceivableModificationsRecordedInvestmentNonaccrualAmount", "crdr": "debit", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/LoansAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Troubled debt restructurings nonaccrual amount", "label": "Financing Receivable Modifications Recorded Investment Nonaccrual Amount", "documentation": "Financing receivable modifications recorded investment nonaccrual amount." } } }, "auth_ref": [] }, "us-gaap_FinancingReceivableModificationsSubsequentDefaultRecordedInvestment1": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "FinancingReceivableModificationsSubsequentDefaultRecordedInvestment1", "crdr": "debit", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/LoansAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Troubled debt restructurings within past twelve months for which there was a default", "label": "Financing Receivable, Modified, Subsequent Default", "documentation": "Amortized cost of financing receivable with payment default in current period and modified within previous 12 months preceding payment default for debtor experiencing financial difficulty." } } }, "auth_ref": [ "r365", "r369", "r934" ] }, "us-gaap_FinancingReceivableNonaccrualInterestIncome": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "FinancingReceivableNonaccrualInterestIncome", "crdr": "credit", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/LoansAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Interest earned on nonaccrual loans", "label": "Financing Receivable, Nonaccrual, Interest Income", "documentation": "Amount of interest income on financing receivable on nonaccrual status." } } }, "auth_ref": [ "r428" ] }, "bcow_FinancingReceivableNumberOfContracts": { "xbrltype": "integerItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "FinancingReceivableNumberOfContracts", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/LoansAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Financing Receivable, Number Of Contracts", "label": "Financing Receivable Number Of Contracts", "documentation": "Financing Receivable, Number Of Contracts" } } }, "auth_ref": [] }, "us-gaap_FinancingReceivableOriginatedFiveOrMoreYearsBeforeLatestFiscalYear": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "FinancingReceivableOriginatedFiveOrMoreYearsBeforeLatestFiscalYear", "crdr": "debit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureLoansSummaryOfAmortizedCostBasisOfLoansByCreditQualityIndicatorAndOriginationYearDetails": { "parentTag": "us-gaap_FinancingReceivableBeforeAllowanceForCreditLossAndFee", "weight": 1.0, "order": 5.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureLoansSummaryOfAmortizedCostBasisOfLoansByCreditQualityIndicatorAndOriginationYearDetails", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureLoansSummaryOfGrossChargeoffsOfLoansForPortfolioClassByOriginationYearDetails" ], "lang": { "en-us": { "role": { "terseLabel": "2018 and Prior", "label": "Financing Receivable, Originated, More than Five Years before Current Fiscal Year", "documentation": "Amortized cost of financing receivable originated more than five years prior to current fiscal year. Excludes net investment in lease." } } }, "auth_ref": [ "r433", "r943" ] }, "us-gaap_FinancingReceivableOriginatedFourYearsBeforeLatestFiscalYear": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "FinancingReceivableOriginatedFourYearsBeforeLatestFiscalYear", "crdr": "debit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureLoansSummaryOfAmortizedCostBasisOfLoansByCreditQualityIndicatorAndOriginationYearDetails": { "parentTag": "us-gaap_FinancingReceivableBeforeAllowanceForCreditLossAndFee", "weight": 1.0, "order": 4.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureLoansSummaryOfAmortizedCostBasisOfLoansByCreditQualityIndicatorAndOriginationYearDetails" ], "lang": { "en-us": { "role": { "terseLabel": "2019", "label": "Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year", "documentation": "Amortized cost of financing receivable originated four years prior to current fiscal year. Excludes net investment in lease." } } }, "auth_ref": [ "r433", "r943" ] }, "us-gaap_FinancingReceivableOriginatedInCurrentFiscalYear": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "FinancingReceivableOriginatedInCurrentFiscalYear", "crdr": "debit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureLoansSummaryOfAmortizedCostBasisOfLoansByCreditQualityIndicatorAndOriginationYearDetails": { "parentTag": "us-gaap_FinancingReceivableBeforeAllowanceForCreditLossAndFee", "weight": 1.0, "order": 0.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureLoansSummaryOfAmortizedCostBasisOfLoansByCreditQualityIndicatorAndOriginationYearDetails", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureLoansSummaryOfGrossChargeoffsOfLoansForPortfolioClassByOriginationYearDetails" ], "lang": { "en-us": { "role": { "terseLabel": "2023", "label": "Financing Receivable, Year One, Originated, Current Fiscal Year", "documentation": "Amortized cost of financing receivable originated in current fiscal year. Excludes net investment in lease." } } }, "auth_ref": [ "r433", "r943" ] }, "us-gaap_FinancingReceivableOriginatedInFiscalYearBeforeLatestFiscalYear": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "FinancingReceivableOriginatedInFiscalYearBeforeLatestFiscalYear", "crdr": "debit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureLoansSummaryOfAmortizedCostBasisOfLoansByCreditQualityIndicatorAndOriginationYearDetails": { "parentTag": "us-gaap_FinancingReceivableBeforeAllowanceForCreditLossAndFee", "weight": 1.0, "order": 1.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureLoansSummaryOfAmortizedCostBasisOfLoansByCreditQualityIndicatorAndOriginationYearDetails", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureLoansSummaryOfGrossChargeoffsOfLoansForPortfolioClassByOriginationYearDetails" ], "lang": { "en-us": { "role": { "terseLabel": "2022", "label": "Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year", "documentation": "Amortized cost of financing receivable originated in fiscal year prior to current fiscal year. Excludes net investment in lease." } } }, "auth_ref": [ "r433", "r943" ] }, "us-gaap_FinancingReceivableOriginatedThreeYearsBeforeLatestFiscalYear": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "FinancingReceivableOriginatedThreeYearsBeforeLatestFiscalYear", "crdr": "debit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureLoansSummaryOfAmortizedCostBasisOfLoansByCreditQualityIndicatorAndOriginationYearDetails": { "parentTag": "us-gaap_FinancingReceivableBeforeAllowanceForCreditLossAndFee", "weight": 1.0, "order": 3.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureLoansSummaryOfAmortizedCostBasisOfLoansByCreditQualityIndicatorAndOriginationYearDetails", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureLoansSummaryOfGrossChargeoffsOfLoansForPortfolioClassByOriginationYearDetails" ], "lang": { "en-us": { "role": { "terseLabel": "2020", "label": "Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year", "documentation": "Amortized cost of financing receivable originated three years prior to current fiscal year. Excludes net investment in lease." } } }, "auth_ref": [ "r433", "r943" ] }, "us-gaap_FinancingReceivableOriginatedTwoYearsBeforeLatestFiscalYear": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "FinancingReceivableOriginatedTwoYearsBeforeLatestFiscalYear", "crdr": "debit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureLoansSummaryOfAmortizedCostBasisOfLoansByCreditQualityIndicatorAndOriginationYearDetails": { "parentTag": "us-gaap_FinancingReceivableBeforeAllowanceForCreditLossAndFee", "weight": 1.0, "order": 2.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureLoansSummaryOfAmortizedCostBasisOfLoansByCreditQualityIndicatorAndOriginationYearDetails", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureLoansSummaryOfGrossChargeoffsOfLoansForPortfolioClassByOriginationYearDetails" ], "lang": { "en-us": { "role": { "terseLabel": "2021", "label": "Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year", "documentation": "Amortized cost of financing receivable originated two years prior to current fiscal year. Excludes net investment in lease." } } }, "auth_ref": [ "r433", "r943" ] }, "us-gaap_FinancingReceivablePortfolioSegmentAxis": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "FinancingReceivablePortfolioSegmentAxis", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureLoansSummaryOfAmortizedCostBasisOfLoansByCreditQualityIndicatorAndOriginationYearDetails", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureLoansSummaryOfCollateralDependentLoansAndRelatedAclDetails", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureLoansSummaryOfGrossChargeoffsOfLoansForPortfolioClassByOriginationYearDetails", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/LoansAdditionalInformationDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/LoansSummaryOfInformationRegardingTheCreditQualityIndicatorsForResidentialRealEstateAndConsumerLoansDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/LoansSummaryOfMajorClassificationsOfLoansDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Financing Receivable Portfolio Segment [Axis]", "label": "Financing Receivable Portfolio Segment [Axis]", "documentation": "Information by the level at which an entity develops and documents a systematic methodology to determine its allowance for credit losses." } } }, "auth_ref": [ "r247", "r248", "r252", "r253", "r421", "r422", "r936", "r1071", "r1072", "r1073", "r1074", "r1075", "r1076", "r1077", "r1079", "r1080", "r1081" ] }, "us-gaap_FinancingReceivablePortfolioSegmentDomain": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "FinancingReceivablePortfolioSegmentDomain", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureLoansSummaryOfAmortizedCostBasisOfLoansByCreditQualityIndicatorAndOriginationYearDetails", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureLoansSummaryOfCollateralDependentLoansAndRelatedAclDetails", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureLoansSummaryOfGrossChargeoffsOfLoansForPortfolioClassByOriginationYearDetails", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/LoansAdditionalInformationDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/LoansSummaryOfInformationRegardingTheCreditQualityIndicatorsForResidentialRealEstateAndConsumerLoansDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/LoansSummaryOfMajorClassificationsOfLoansDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Financing Receivable Portfolio Segment [Domain]", "label": "Financing Receivable Portfolio Segment [Domain]", "documentation": "Level at which an entity develops and documents a systematic methodology to determine its allowance for credit losses." } } }, "auth_ref": [ "r247", "r248", "r252", "r253", "r1071", "r1072", "r1073", "r1074", "r1075", "r1076", "r1077", "r1079", "r1080", "r1081" ] }, "us-gaap_FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruing": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruing", "crdr": "debit", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/LoansAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Loans 90 or more days past due and accruing interest", "label": "Financing Receivable, 90 Days or More Past Due, Still Accruing", "documentation": "Amortized cost of financing receivable 90 days or more past due and still accruing. Excludes net investment in lease." } } }, "auth_ref": [ "r235", "r429", "r944" ] }, "us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureLoansScheduleOfComponentsOfProvisionForCreditLossesDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureLoansSummaryOfActivityInAllowanceForLoanAndLeaseLossesDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureLoansSummaryOfCollateralDependentLoansAndRelatedAclDetails", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureLoansSummaryOfInformationOnNonaccrualLoansDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureLoansSummaryOfInformationRegardingImpairedLoansDetails", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/LoansAdditionalInformationDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/LoansScheduleOfAnalysisOfPastDueLoansDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/LoansSummaryOfInformationRegardingImpairedLoansDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/LoansSummaryOfInformationRegardingTheCreditQualityIndicatorsForResidentialRealEstateAndConsumerLoansDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/LoansSummaryOfInternalRiskRatingsOfLoansDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/LoansSummaryOfMajorClassificationsOfLoansDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Class of Financing Receivable, Type [Axis]", "label": "Class of Financing Receivable [Axis]", "documentation": "Information by class of financing receivable determined on the basis of initial measurement attribute, risk characteristics and method of monitoring and assessing credit risk." } } }, "auth_ref": [ "r84", "r86", "r247", "r248", "r252", "r253", "r364", "r366", "r367", "r368", "r369", "r425", "r426", "r431", "r934", "r937", "r938", "r943", "r944", "r1071", "r1072", "r1073", "r1074", "r1075", "r1076", "r1077", "r1079", "r1080", "r1081" ] }, "us-gaap_FinancingReceivableRecordedInvestmentClassOfFinancingReceivableDomain": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "FinancingReceivableRecordedInvestmentClassOfFinancingReceivableDomain", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureLoansScheduleOfComponentsOfProvisionForCreditLossesDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureLoansSummaryOfActivityInAllowanceForLoanAndLeaseLossesDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureLoansSummaryOfCollateralDependentLoansAndRelatedAclDetails", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureLoansSummaryOfInformationOnNonaccrualLoansDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureLoansSummaryOfInformationRegardingImpairedLoansDetails", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/LoansAdditionalInformationDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/LoansScheduleOfAnalysisOfPastDueLoansDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/LoansSummaryOfInformationRegardingImpairedLoansDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/LoansSummaryOfInformationRegardingTheCreditQualityIndicatorsForResidentialRealEstateAndConsumerLoansDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/LoansSummaryOfInternalRiskRatingsOfLoansDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/LoansSummaryOfMajorClassificationsOfLoansDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Class of Financing Receivable, Type [Domain]", "label": "Class of Financing Receivable [Domain]", "documentation": "Financing receivables determined on the basis of initial measurement attribute, risk characteristics and method of monitoring and assessing credit risk." } } }, "auth_ref": [ "r247", "r248", "r252", "r253", "r366", "r367", "r368", "r369", "r934", "r1071", "r1072", "r1073", "r1074", "r1075", "r1076", "r1077", "r1079", "r1080", "r1081" ] }, "us-gaap_FinancingReceivableRecordedInvestmentLineItems": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "FinancingReceivableRecordedInvestmentLineItems", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureLoansSummaryOfAmortizedCostBasisOfLoansByCreditQualityIndicatorAndOriginationYearDetails", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureLoansSummaryOfGrossChargeoffsOfLoansForPortfolioClassByOriginationYearDetails", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/LoansSummaryOfInformationRegardingTheCreditQualityIndicatorsForResidentialRealEstateAndConsumerLoansDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/LoansSummaryOfInternalRiskRatingsOfLoansDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Financing Receivable, Recorded Investment [Line Items]", "label": "Financing Receivable, Credit Quality Indicator [Line Items]", "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table." } } }, "auth_ref": [ "r943", "r1160" ] }, "us-gaap_FinancingReceivableRecordedInvestmentNonaccrualStatus": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "FinancingReceivableRecordedInvestmentNonaccrualStatus", "crdr": "debit", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureLoansSummaryOfInformationOnNonaccrualLoansDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/LoansAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "totalLabel": "Total nonaccrual loans", "verboseLabel": "Nonaccrual Loans", "label": "Financing Receivable, Nonaccrual", "documentation": "Amortized cost of financing receivable on nonaccrual status. Excludes net investment in lease." } } }, "auth_ref": [ "r85", "r250", "r251", "r427" ] }, "bcow_FinancingReceivableRecordedInvestmentNonaccrualStatusAccruedInterestReversed": { "xbrltype": "monetaryItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "FinancingReceivableRecordedInvestmentNonaccrualStatusAccruedInterestReversed", "crdr": "credit", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/LoansAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Accrued interest reversed", "label": "Financing Receivable Recorded Investment Nonaccrual Status Accrued Interest Reversed", "documentation": "Financing receivable recorded investment nonaccrual status accrued interest reversed." } } }, "auth_ref": [] }, "us-gaap_FinancingReceivableRevolving": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "FinancingReceivableRevolving", "crdr": "debit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureLoansSummaryOfAmortizedCostBasisOfLoansByCreditQualityIndicatorAndOriginationYearDetails": { "parentTag": "us-gaap_FinancingReceivableBeforeAllowanceForCreditLossAndFee", "weight": 1.0, "order": 6.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureLoansSummaryOfAmortizedCostBasisOfLoansByCreditQualityIndicatorAndOriginationYearDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Revolving Lines of Credit", "label": "Financing Receivable, Revolving", "documentation": "Amortized cost of financing receivable that can be withdrawn, repaid, and redrawn." } } }, "auth_ref": [ "r433", "r943" ] }, "us-gaap_FinancingReceivableRevolvingConvertedToTermLoan": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "FinancingReceivableRevolvingConvertedToTermLoan", "crdr": "debit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureLoansSummaryOfAmortizedCostBasisOfLoansByCreditQualityIndicatorAndOriginationYearDetails": { "parentTag": "us-gaap_FinancingReceivableBeforeAllowanceForCreditLossAndFee", "weight": 1.0, "order": 7.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureLoansSummaryOfAmortizedCostBasisOfLoansByCreditQualityIndicatorAndOriginationYearDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Revolving Lines of Credit Converted to Term Loans", "label": "Financing Receivable, Revolving, Converted to Term Loan", "documentation": "Amortized cost of revolving financing receivable converted to term loan." } } }, "auth_ref": [ "r434", "r943" ] }, "us-gaap_FinancingReceivableThresholdPeriodPastDue": { "xbrltype": "durationItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "FinancingReceivableThresholdPeriodPastDue", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/LoansAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Financing recievable threshold past due", "label": "Financing Receivable, Threshold Period Past Due", "documentation": "Threshold period for when financing receivable is considered past due, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Excludes threshold period past due to write off as uncollectible." } } }, "auth_ref": [ "r425" ] }, "bcow_FinancingReceivables30To89DaysPastDueMember": { "xbrltype": "domainItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "FinancingReceivables30To89DaysPastDueMember", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/LoansScheduleOfAnalysisOfPastDueLoansDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Loans Past Due 30-89 Days [Member]", "label": "Financing Receivables 30 To 89 Days Past Due [Member]", "documentation": "30 to 89 days past due." } } }, "auth_ref": [] }, "us-gaap_FinancingReceivablesEqualToGreaterThan90DaysPastDueMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "FinancingReceivablesEqualToGreaterThan90DaysPastDueMember", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/LoansScheduleOfAnalysisOfPastDueLoansDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Loans Past Due 90+ Days [Member]", "label": "Financial Asset, Equal to or Greater than 90 Days Past Due [Member]", "documentation": "Financial asset equal to or greater than 90 days past due." } } }, "auth_ref": [ "r944" ] }, "us-gaap_FinancingReceivablesPeriodPastDueAxis": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "FinancingReceivablesPeriodPastDueAxis", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/LoansScheduleOfAnalysisOfPastDueLoansDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Financing Receivables, Period Past Due [Axis]", "label": "Financial Asset, Aging [Axis]", "documentation": "Information by period in which financial asset is past due or not past due." } } }, "auth_ref": [ "r236", "r425", "r944" ] }, "us-gaap_FinancingReceivablesPeriodPastDueDomain": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "FinancingReceivablesPeriodPastDueDomain", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/LoansScheduleOfAnalysisOfPastDueLoansDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Financing Receivables, Period Past Due [Domain]", "label": "Financial Asset, Aging [Domain]", "documentation": "Period in which financial asset is past due or not past due. For past due, element name and standard label in Financial Asset, [numeric lower end] to [numeric higher end] [date measure] Past Due [Member] or Financial Asset, Greater than [low end numeric value] [date measure] Past Due [Member] or Financial Asset, Less than [high end numeric value] [date measure] Past Due [Member] formats." } } }, "auth_ref": [ "r236", "r425", "r944" ] }, "us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive", "crdr": "debit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/MortgageServicingRightsSummaryOfEstimatedFutureAmortizationExpenseForMortgageServicingRightsDetail": { "parentTag": "us-gaap_FiniteLivedIntangibleAssetsNet", "weight": 1.0, "order": 5.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/MortgageServicingRightsSummaryOfEstimatedFutureAmortizationExpenseForMortgageServicingRightsDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Thereafter", "label": "Finite-Lived Intangible Asset, Expected Amortization, after Year Five", "documentation": "Amount of amortization for asset, excluding financial asset and goodwill, lacking physical substance with finite life expected to be recognized after fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach)." } } }, "auth_ref": [] }, "us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths", "crdr": "debit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/MortgageServicingRightsSummaryOfEstimatedFutureAmortizationExpenseForMortgageServicingRightsDetail": { "parentTag": "us-gaap_FiniteLivedIntangibleAssetsNet", "weight": 1.0, "order": 0.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/MortgageServicingRightsSummaryOfEstimatedFutureAmortizationExpenseForMortgageServicingRightsDetail" ], "lang": { "en-us": { "role": { "terseLabel": "2024", "label": "Finite-Lived Intangible Asset, Expected Amortization, Year One", "documentation": "Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach)." } } }, "auth_ref": [ "r165" ] }, "us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "FiniteLivedIntangibleAssetsAmortizationExpenseYearFive", "crdr": "debit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/MortgageServicingRightsSummaryOfEstimatedFutureAmortizationExpenseForMortgageServicingRightsDetail": { "parentTag": "us-gaap_FiniteLivedIntangibleAssetsNet", "weight": 1.0, "order": 4.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/MortgageServicingRightsSummaryOfEstimatedFutureAmortizationExpenseForMortgageServicingRightsDetail" ], "lang": { "en-us": { "role": { "terseLabel": "2028", "label": "Finite-Lived Intangible Asset, Expected Amortization, Year Five", "documentation": "Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach)." } } }, "auth_ref": [ "r165" ] }, "us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "FiniteLivedIntangibleAssetsAmortizationExpenseYearFour", "crdr": "debit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/MortgageServicingRightsSummaryOfEstimatedFutureAmortizationExpenseForMortgageServicingRightsDetail": { "parentTag": "us-gaap_FiniteLivedIntangibleAssetsNet", "weight": 1.0, "order": 3.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/MortgageServicingRightsSummaryOfEstimatedFutureAmortizationExpenseForMortgageServicingRightsDetail" ], "lang": { "en-us": { "role": { "terseLabel": "2027", "label": "Finite-Lived Intangible Asset, Expected Amortization, Year Four", "documentation": "Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach)." } } }, "auth_ref": [ "r165" ] }, "us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "FiniteLivedIntangibleAssetsAmortizationExpenseYearThree", "crdr": "debit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/MortgageServicingRightsSummaryOfEstimatedFutureAmortizationExpenseForMortgageServicingRightsDetail": { "parentTag": "us-gaap_FiniteLivedIntangibleAssetsNet", "weight": 1.0, "order": 2.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/MortgageServicingRightsSummaryOfEstimatedFutureAmortizationExpenseForMortgageServicingRightsDetail" ], "lang": { "en-us": { "role": { "terseLabel": "2026", "label": "Finite-Lived Intangible Asset, Expected Amortization, Year Three", "documentation": "Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach)." } } }, "auth_ref": [ "r165" ] }, "us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo", "crdr": "debit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/MortgageServicingRightsSummaryOfEstimatedFutureAmortizationExpenseForMortgageServicingRightsDetail": { "parentTag": "us-gaap_FiniteLivedIntangibleAssetsNet", "weight": 1.0, "order": 1.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/MortgageServicingRightsSummaryOfEstimatedFutureAmortizationExpenseForMortgageServicingRightsDetail" ], "lang": { "en-us": { "role": { "terseLabel": "2025", "label": "Finite-Lived Intangible Asset, Expected Amortization, Year Two", "documentation": "Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach)." } } }, "auth_ref": [ "r165" ] }, "us-gaap_FiniteLivedIntangibleAssetsFutureAmortizationExpenseAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "FiniteLivedIntangibleAssetsFutureAmortizationExpenseAbstract", "lang": { "en-us": { "role": { "verboseLabel": "Finite Lived Intangible Assets Future Amortization Expense [Abstract]", "label": "Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract]" } } }, "auth_ref": [] }, "us-gaap_FiniteLivedIntangibleAssetsNet": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "FiniteLivedIntangibleAssetsNet", "crdr": "debit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/MortgageServicingRightsSummaryOfEstimatedFutureAmortizationExpenseForMortgageServicingRightsDetail": { "parentTag": null, "weight": null, "order": null, "root": true } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/MortgageServicingRightsSummaryOfEstimatedFutureAmortizationExpenseForMortgageServicingRightsDetail" ], "lang": { "en-us": { "role": { "totalLabel": "Total", "label": "Finite-Lived Intangible Assets, Net", "periodStartLabel": "Finite-Lived Intangible Assets, Net, Beginning Balance", "periodEndLabel": "Finite-Lived Intangible Assets, Net, Ending Balance", "documentation": "Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life." } } }, "auth_ref": [ "r164", "r739" ] }, "us-gaap_FirstMortgageMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "FirstMortgageMember", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/LoansSummaryOfMajorClassificationsOfLoansDetail" ], "lang": { "en-us": { "role": { "terseLabel": "First Mortgage [Member]", "label": "First Mortgage [Member]", "documentation": "Loan secured by real property that has a first (highest) lien on such property in the event of default by the borrower." } } }, "auth_ref": [ "r978" ] }, "bcow_FixedRateFixedTermAdvanceMaturingFebruaryTwoThousandTwentyThreeMember": { "xbrltype": "domainItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "FixedRateFixedTermAdvanceMaturingFebruaryTwoThousandTwentyThreeMember", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/FhlbAdvancesAndOtherBorrowingsSummaryOfFederalHomeLoanBankAdvancesDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Fixed rate, fixed term advance, maturing February 2023 [Member]", "label": "Fixed Rate Fixed Term Advance Maturing February Two Thousand Twenty Three [Member]", "documentation": "Fixed rate fixed term advance maturing february two thousand twenty three." } } }, "auth_ref": [] }, "bcow_FixedRateFixedTermAdvanceMaturingJuly2027Member": { "xbrltype": "domainItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "FixedRateFixedTermAdvanceMaturingJuly2027Member", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/FhlbAdvancesAndOtherBorrowingsSummaryOfFederalHomeLoanBankAdvancesDetail" ], "lang": { "en-us": { "role": { "documentation": "Fixed rate fixed term advance maturing july 2027.", "label": "Fixed Rate Fixed Term Advance Maturing July 2027 [Member]", "terseLabel": "Fixed rate, fixed term advance, maturing July 2027 [Member]" } } }, "auth_ref": [] }, "bcow_FixedRateMember": { "xbrltype": "domainItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "FixedRateMember", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureCommitmentsAndContingenciesSummaryOfContractAmountsOfCreditrelatedFinancialInstrumentsDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Fixed Rate [Member]", "label": "Fixed Rate [Member]", "documentation": "Fixed rate." } } }, "auth_ref": [] }, "bcow_ForeClosedAssetsPolicyTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "ForeClosedAssetsPolicyTextBlock", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/SummaryOfSignificantAccountingPoliciesPolicies" ], "lang": { "en-us": { "role": { "verboseLabel": "Foreclosed Assets", "label": "Fore closed Assets [Policy Text Block]", "documentation": "Disclosure of accounting policy for foreclosed assets." } } }, "auth_ref": [] }, "us-gaap_ForeclosedAssets": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "ForeclosedAssets", "crdr": "debit", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/SummaryOfSignificantAccountingPoliciesAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Foreclosed assets", "label": "Repossessed Assets", "totalLabel": "Repossessed Assets, Total", "documentation": "Carrying amount as of the balance sheet date of all assets obtained in full or partial satisfaction of a debt arrangement through foreclosure proceedings or defeasance; includes real and personal property; equity interests in corporations, partnerships, and joint ventures; and beneficial interests in trusts." } } }, "auth_ref": [ "r359", "r360" ] }, "bcow_ForeclosedAssetsOperatingExpenses": { "xbrltype": "monetaryItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "ForeclosedAssetsOperatingExpenses", "crdr": "debit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfOperations": { "parentTag": "us-gaap_NoninterestExpense", "weight": 1.0, "order": 7.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfOperations" ], "lang": { "en-us": { "role": { "terseLabel": "Foreclosed assets, net", "label": "Foreclosed Assets Operating Expenses", "documentation": "Foreclosed assets, operating expenses." } } }, "auth_ref": [] }, "ecd_ForgoneRecoveryDueToDisqualificationOfTaxBenefitsAmt": { "xbrltype": "monetaryItemType", "nsuri": "http://xbrl.sec.gov/ecd/2023", "localname": "ForgoneRecoveryDueToDisqualificationOfTaxBenefitsAmt", "presentation": [ "http://xbrl.sec.gov/ecd/role/ErrCompDisclosure" ], "lang": { "en-us": { "role": { "label": "Forgone Recovery due to Disqualification of Tax Benefits, Amount", "terseLabel": "Forgone Recovery due to Disqualification of Tax Benefits, Amount" } } }, "auth_ref": [ "r993", "r1005", "r1015", "r1041" ] }, "ecd_ForgoneRecoveryDueToExpenseOfEnforcementAmt": { "xbrltype": "monetaryItemType", "nsuri": "http://xbrl.sec.gov/ecd/2023", "localname": "ForgoneRecoveryDueToExpenseOfEnforcementAmt", "presentation": [ "http://xbrl.sec.gov/ecd/role/ErrCompDisclosure" ], "lang": { "en-us": { "role": { "label": "Forgone Recovery due to Expense of Enforcement, Amount", "terseLabel": "Forgone Recovery due to Expense of Enforcement, Amount" } } }, "auth_ref": [ "r993", "r1005", "r1015", "r1041" ] }, "ecd_ForgoneRecoveryDueToViolationOfHomeCountryLawAmt": { "xbrltype": "monetaryItemType", "nsuri": "http://xbrl.sec.gov/ecd/2023", "localname": "ForgoneRecoveryDueToViolationOfHomeCountryLawAmt", "presentation": [ "http://xbrl.sec.gov/ecd/role/ErrCompDisclosure" ], "lang": { "en-us": { "role": { "label": "Forgone Recovery due to Violation of Home Country Law, Amount", "terseLabel": "Forgone Recovery due to Violation of Home Country Law, Amount" } } }, "auth_ref": [ "r993", "r1005", "r1015", "r1041" ] }, "ecd_ForgoneRecoveryExplanationOfImpracticabilityTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://xbrl.sec.gov/ecd/2023", "localname": "ForgoneRecoveryExplanationOfImpracticabilityTextBlock", "presentation": [ "http://xbrl.sec.gov/ecd/role/ErrCompDisclosure" ], "lang": { "en-us": { "role": { "label": "Forgone Recovery, Explanation of Impracticability [Text Block]", "terseLabel": "Forgone Recovery, Explanation of Impracticability" } } }, "auth_ref": [ "r993", "r1005", "r1015", "r1041" ] }, "ecd_ForgoneRecoveryIndName": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/ecd/2023", "localname": "ForgoneRecoveryIndName", "presentation": [ "http://xbrl.sec.gov/ecd/role/ErrCompDisclosure" ], "lang": { "en-us": { "role": { "label": "Forgone Recovery, Individual Name", "terseLabel": "Name" } } }, "auth_ref": [ "r993", "r1005", "r1015", "r1041" ] }, "bcow_FurnitureAndEquipmentMember": { "xbrltype": "domainItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "FurnitureAndEquipmentMember", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosurePremisesAndEquipmentSummaryOfPremisesAndEquipmentDetail" ], "lang": { "en-us": { "role": { "documentation": "Furniture And Equipment Member", "label": "Furniture and Equipment [Member]" } } }, "auth_ref": [] }, "us-gaap_GainLossOnSaleOfInvestments": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "GainLossOnSaleOfInvestments", "crdr": "credit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfOperations": { "parentTag": "us-gaap_NoninterestIncome", "weight": 1.0, "order": 3.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfOperations" ], "lang": { "en-us": { "role": { "terseLabel": "Net loss on sale of securities", "label": "Gain (Loss) on Sale of Investments", "totalLabel": "Gain (Loss) on Sale of Investments, Total", "documentation": "The net realized gain (loss) on investments sold during the period, not including gains (losses) on securities separately or otherwise categorized as trading, available-for-sale, or held-to-maturity, which, for cash flow reporting, is a component of proceeds from investing activities." } } }, "auth_ref": [ "r11" ] }, "us-gaap_GainLossOnSaleOfMortgageLoans": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "GainLossOnSaleOfMortgageLoans", "crdr": "credit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfCashFlows": { "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": -1.0, "order": 10.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfCashFlows" ], "lang": { "en-us": { "role": { "negatedLabel": "Net gain on sale of mortgage loans held for sale", "label": "Gain (Loss) on Sale of Mortgage Loans", "documentation": "The gains (losses) included in earnings that represent the difference between the sale price and the carrying value of loans made to finance real estate acquisitions. This element refers to the gain (loss) and not to the cash proceeds of the sale. This element is a noncash adjustment to net income when calculating net cash generated by operating activities using the indirect method." } } }, "auth_ref": [ "r11", "r222", "r223", "r225" ] }, "us-gaap_GainLossOnSalesOfLoansNet": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "GainLossOnSalesOfLoansNet", "crdr": "credit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfOperations": { "parentTag": "us-gaap_NoninterestIncome", "weight": 1.0, "order": 2.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfOperations" ], "lang": { "en-us": { "role": { "verboseLabel": "Net gain on sale of loans", "label": "Gain (Loss) on Sales of Loans, Net", "totalLabel": "Gain (Loss) on Sales of Loans, Net, Total", "documentation": "The net gain (loss) resulting from a sale of loans, including adjustments to record loans classified as held-for-sale at the lower-of-cost-or-market and fair value adjustments to loan held for investment purposes." } } }, "auth_ref": [ "r11", "r201" ] }, "us-gaap_GainsLossesOnSalesOfOtherRealEstate": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "GainsLossesOnSalesOfOtherRealEstate", "crdr": "credit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureParentCompanyOnlyFinancialStatementsSummaryOfCondensedFinancialStatementsOfParentHoldingCompanyDetail3": { "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": -1.0, "order": 1.0 }, "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfCashFlows": { "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": -1.0, "order": 13.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfCashFlows", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureParentCompanyOnlyFinancialStatementsSummaryOfCondensedFinancialStatementsOfParentHoldingCompanyDetail" ], "lang": { "en-us": { "role": { "negatedTerseLabel": "Gain on sale of other real estate", "negatedLabel": "Gain on sale of other real estate owned", "label": "Gains (Losses) on Sales of Other Real Estate", "documentation": "The net gain (loss) resulting from sales and other disposals of other real estate owned, increases (decreases) in the valuation allowance for foreclosed real estate, and write-downs of other real estate owned after acquisition or physical possession." } } }, "auth_ref": [ "r203" ] }, "bcow_GovernmentSponsoredMortgageBackedSecuritiesMember": { "xbrltype": "domainItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "GovernmentSponsoredMortgageBackedSecuritiesMember", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/AvailableForSaleSecuritiesSummaryOfAmortizedCostsAndFairValueOfSecuritiesAvailableForSaleDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Government-sponsored Mortgage-backed Securities [Member]", "label": "Government Sponsored Mortgage Backed Securities [Member]", "documentation": "Government sponsored mortgage backed securities." } } }, "auth_ref": [] }, "us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "HeldToMaturitySecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue", "crdr": "debit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/AvailableForSaleSecuritiesSummaryOfGrossUnrealizedLossesOnSecuritiesAvailableForSaleAndFairValuesDetail": { "parentTag": "us-gaap_DebtSecuritiesAvailableForSaleUnrealizedLossPosition", "weight": 1.0, "order": 1.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/AvailableForSaleSecuritiesSummaryOfGrossUnrealizedLossesOnSecuritiesAvailableForSaleAndFairValuesDetail" ], "lang": { "en-us": { "role": { "label": "Debt Securities, Held-to-Maturity, Continuous Unrealized Loss Position, 12 Months or Longer, Fair Value", "terseLabel": "Fair Value", "documentation": "Fair value of investment in debt security measured at amortized cost (held-to-maturity), in continuous unrealized loss position for 12 months or longer." } } }, "auth_ref": [ "r220" ] }, "bcow_HomeEquityLinesOfCreditMember": { "xbrltype": "domainItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "HomeEquityLinesOfCreditMember", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/LoansSummaryOfMajorClassificationsOfLoansDetail" ], "lang": { "en-us": { "role": { "label": "Home Equity Lines Of Credit [Member]", "documentation": "Home Equity Lines Of Credit [Member]" } } }, "auth_ref": [] }, "dei_IcfrAuditorAttestationFlag": { "xbrltype": "booleanItemType", "nsuri": "http://xbrl.sec.gov/dei/2023", "localname": "IcfrAuditorAttestationFlag", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/CoverPage" ], "lang": { "en-us": { "role": { "label": "ICFR Auditor Attestation Flag" } } }, "auth_ref": [ "r983", "r984", "r997" ] }, "us-gaap_ImpairedFinancingReceivableAverageRecordedInvestment": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "ImpairedFinancingReceivableAverageRecordedInvestment", "crdr": "debit", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureLoansSummaryOfInformationRegardingImpairedLoansDetails", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/LoansSummaryOfInformationRegardingImpairedLoansDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Average Investment", "label": "Impaired Financing Receivable, Average Recorded Investment", "documentation": "Average amount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses." } } }, "auth_ref": [ "r80", "r82" ] }, "us-gaap_ImpairedFinancingReceivableInterestIncomeAccrualMethod": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "ImpairedFinancingReceivableInterestIncomeAccrualMethod", "crdr": "credit", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureLoansSummaryOfInformationRegardingImpairedLoansDetails", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/LoansSummaryOfInformationRegardingImpairedLoansDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Interest Recognized", "label": "Impaired Financing Receivable, Interest Income, Accrual Method", "documentation": "Amount of interest income recognized that the financing receivables (with related allowance for credit losses and without a related allowance for credit losses) were impaired." } } }, "auth_ref": [ "r81" ] }, "us-gaap_ImpairedFinancingReceivableRecordedInvestment": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "ImpairedFinancingReceivableRecordedInvestment", "crdr": "debit", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureLoansSummaryOfInformationRegardingImpairedLoansDetails", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/LoansSummaryOfInformationRegardingImpairedLoansDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Recorded Investment", "label": "Impaired Financing Receivable, Recorded Investment", "documentation": "Amount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses." } } }, "auth_ref": [ "r76" ] }, "us-gaap_ImpairedFinancingReceivableRelatedAllowance": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "ImpairedFinancingReceivableRelatedAllowance", "crdr": "credit", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureLoansSummaryOfInformationRegardingImpairedLoansDetails", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/LoansSummaryOfInformationRegardingImpairedLoansDetail" ], "lang": { "en-us": { "role": { "verboseLabel": "Valuation allowance against impaired loans", "terseLabel": "Reserve", "label": "Impaired Financing Receivable, Related Allowance", "documentation": "Amount of allowance for credit losses related to recorded investment." } } }, "auth_ref": [ "r78" ] }, "us-gaap_ImpairedFinancingReceivableWithNoRelatedAllowanceAverageRecordedInvestment": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "ImpairedFinancingReceivableWithNoRelatedAllowanceAverageRecordedInvestment", "crdr": "debit", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureLoansSummaryOfInformationRegardingImpairedLoansDetails", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/LoansSummaryOfInformationRegardingImpairedLoansDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Average Investment", "label": "Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment", "documentation": "Amount of average investment of impaired financing receivables for which there is no related allowance for credit losses." } } }, "auth_ref": [ "r80", "r82" ] }, "us-gaap_ImpairedFinancingReceivableWithNoRelatedAllowanceInterestIncomeAccrualMethod": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "ImpairedFinancingReceivableWithNoRelatedAllowanceInterestIncomeAccrualMethod", "crdr": "credit", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureLoansSummaryOfInformationRegardingImpairedLoansDetails", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/LoansSummaryOfInformationRegardingImpairedLoansDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Interest Recognized", "label": "Impaired Financing Receivable, with No Related Allowance, Interest Income, Accrual Method", "documentation": "Amount of interest income, recognized on accrual basis, on financing receivables that are recognized as impaired, for which there is no related allowance for credit losses." } } }, "auth_ref": [ "r81" ] }, "us-gaap_ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment", "crdr": "debit", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureLoansSummaryOfInformationRegardingImpairedLoansDetails", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/LoansSummaryOfInformationRegardingImpairedLoansDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Recorded Investment", "label": "Impaired Financing Receivable, with No Related Allowance, Recorded Investment", "documentation": "Amount of investment in impaired financing receivables for which there is no related allowance for credit losses." } } }, "auth_ref": [ "r76" ] }, "us-gaap_ImpairedFinancingReceivableWithNoRelatedAllowanceUnpaidPrincipalBalance": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "ImpairedFinancingReceivableWithNoRelatedAllowanceUnpaidPrincipalBalance", "crdr": "debit", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureLoansSummaryOfInformationRegardingImpairedLoansDetails", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/LoansSummaryOfInformationRegardingImpairedLoansDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Principal Balance", "label": "Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance", "documentation": "Amount of unpaid principal balance of impaired financing receivables for which there is no related allowance for credit losses." } } }, "auth_ref": [ "r79" ] }, "us-gaap_ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment", "crdr": "debit", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/LoansSummaryOfInformationRegardingImpairedLoansDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Recorded Investment", "label": "Impaired Financing Receivable, with Related Allowance, Recorded Investment", "documentation": "Amount of investment in impaired financing receivables for which there is a related allowance for credit losses." } } }, "auth_ref": [ "r76" ] }, "us-gaap_ImpairedFinancingReceivablesTableTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "ImpairedFinancingReceivablesTableTextBlock", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/LoansTables" ], "lang": { "en-us": { "role": { "terseLabel": "Summary of Information Regarding Impaired Loans", "label": "Impaired Financing Receivables [Table Text Block]", "documentation": "Tabular disclosure of impaired financing receivables." } } }, "auth_ref": [ "r77" ] }, "bcow_ImpairmentLoanOnMortgageServicingRights": { "xbrltype": "monetaryItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "ImpairmentLoanOnMortgageServicingRights", "crdr": "credit", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/FairValueAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "label": "impairment Loan on mortgage servicing rights", "documentation": "impairment Loan on mortgage servicing rights", "terseLabel": "Impairment loan on mortgage servicing rights" } } }, "auth_ref": [] }, "us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest", "crdr": "credit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureParentCompanyOnlyFinancialStatementsSummaryOfCondensedFinancialStatementsOfParentHoldingCompanyDetail4": { "parentTag": "bcow_LossBeforeEquityInUndistributedEarningsOfBank", "weight": -1.0, "order": 0.0 }, "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfOperations": { "parentTag": "us-gaap_NetIncomeLoss", "weight": 1.0, "order": 1.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfOperations", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureParentCompanyOnlyFinancialStatementsSummaryOfCondensedFinancialStatementsOfParentHoldingCompanyDetail" ], "lang": { "en-us": { "role": { "totalLabel": "Loss before income taxes", "label": "Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest", "documentation": "Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest." } } }, "auth_ref": [ "r2", "r150", "r194", "r349", "r352", "r354", "r356", "r760", "r790", "r933" ] }, "us-gaap_IncomeStatementAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "IncomeStatementAbstract", "lang": { "en-us": { "role": { "label": "Income Statement [Abstract]" } } }, "auth_ref": [] }, "us-gaap_IncomeTaxAuthorityAxis": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "IncomeTaxAuthorityAxis", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/IncomeTaxesAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "label": "Income Tax Authority [Axis]", "documentation": "Information by tax jurisdiction." } } }, "auth_ref": [ "r25" ] }, "us-gaap_IncomeTaxAuthorityDomain": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "IncomeTaxAuthorityDomain", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/IncomeTaxesAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "label": "Income Tax Authority [Domain]", "documentation": "Agency, division or body classification that levies income taxes, examines tax returns for compliance, or grants exemptions from or makes other decisions pertaining to income taxes." } } }, "auth_ref": [] }, "us-gaap_IncomeTaxDisclosureAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "IncomeTaxDisclosureAbstract", "lang": { "en-us": { "role": { "label": "Income Tax Disclosure [Abstract]" } } }, "auth_ref": [] }, "us-gaap_IncomeTaxDisclosureTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "IncomeTaxDisclosureTextBlock", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/IncomeTaxes" ], "lang": { "en-us": { "role": { "terseLabel": "Income Taxes", "label": "Income Tax Disclosure [Text Block]", "documentation": "The entire disclosure for income taxes. Disclosures may include net deferred tax liability or asset recognized in an enterprise's statement of financial position, net change during the year in the total valuation allowance, approximate tax effect of each type of temporary difference and carryforward that gives rise to a significant portion of deferred tax liabilities and deferred tax assets, utilization of a tax carryback, and tax uncertainties information." } } }, "auth_ref": [ "r307", "r557", "r562", "r563", "r569", "r577", "r582", "r585", "r586", "r826" ] }, "us-gaap_IncomeTaxExpenseBenefit": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "IncomeTaxExpenseBenefit", "crdr": "debit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfOperations": { "parentTag": "us-gaap_NetIncomeLoss", "weight": -1.0, "order": 0.0 }, "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureParentCompanyOnlyFinancialStatementsSummaryOfCondensedFinancialStatementsOfParentHoldingCompanyDetail4": { "parentTag": "bcow_LossBeforeEquityInUndistributedEarningsOfBank", "weight": 1.0, "order": 1.0 }, "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/IncomeTaxesProvisionForIncomeTaxesDetail": { "parentTag": null, "weight": null, "order": null, "root": true }, "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/IncomeTaxesSummaryOfTheSourcesOfDifferencesBetweenIncomeTaxesAtTheFederalStatutoryRateAndTheProvisionCreditForIncomeTaxesDetail": { "parentTag": null, "weight": null, "order": null, "root": true } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfOperations", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureParentCompanyOnlyFinancialStatementsSummaryOfCondensedFinancialStatementsOfParentHoldingCompanyDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/IncomeTaxesAdditionalInformationDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/IncomeTaxesProvisionForIncomeTaxesDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/IncomeTaxesSummaryOfTheSourcesOfDifferencesBetweenIncomeTaxesAtTheFederalStatutoryRateAndTheProvisionCreditForIncomeTaxesDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Income tax expense (benefit)", "label": "Income Tax Expense (Benefit)", "totalLabel": "Total income tax expense (benefit), Amount", "verboseLabel": "Income tax benefit", "documentation": "Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations." } } }, "auth_ref": [ "r224", "r241", "r330", "r331", "r351", "r560", "r578", "r798" ] }, "us-gaap_IncomeTaxExpenseBenefitContinuingOperationsAdjustmentOfDeferredTaxAssetLiability": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "IncomeTaxExpenseBenefitContinuingOperationsAdjustmentOfDeferredTaxAssetLiability", "crdr": "debit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/IncomeTaxesProvisionForIncomeTaxesDetail": { "parentTag": "us-gaap_DeferredIncomeTaxExpenseBenefit", "weight": 1.0, "order": 2.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/IncomeTaxesProvisionForIncomeTaxesDetail" ], "lang": { "en-us": { "role": { "verboseLabel": "Valuation allowance", "label": "Income Tax Expense (Benefit), Continuing Operations, Adjustment of Deferred Tax (Asset) Liability", "documentation": "Amount of income tax expense (benefit) from continuing operations attributable to an adjustment of a deferred tax liability or asset for enacted changes in tax laws or rates or a change in the tax status of the entity." } } }, "auth_ref": [ "r572" ] }, "us-gaap_IncomeTaxExpenseBenefitContinuingOperationsIncomeTaxReconciliationAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "IncomeTaxExpenseBenefitContinuingOperationsIncomeTaxReconciliationAbstract", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/IncomeTaxesSummaryOfTheSourcesOfDifferencesBetweenIncomeTaxesAtTheFederalStatutoryRateAndTheProvisionCreditForIncomeTaxesDetail" ], "lang": { "en-us": { "role": { "label": "Income Tax Expense (Benefit), Effective Income Tax Rate Reconciliation, Amount [Abstract]", "terseLabel": "Effective Income Tax Rate Reconciliation, Amount [Abstract]" } } }, "auth_ref": [] }, "bcow_IncomeTaxExpenseChangeInAmount": { "xbrltype": "monetaryItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "IncomeTaxExpenseChangeInAmount", "crdr": "debit", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/IncomeTaxesAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Increase income tax expense", "label": "Income Tax Expense Change In Amount", "documentation": "Income tax expense change in amount." } } }, "auth_ref": [] }, "us-gaap_IncomeTaxPolicyTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "IncomeTaxPolicyTextBlock", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/SummaryOfSignificantAccountingPoliciesPolicies" ], "lang": { "en-us": { "role": { "verboseLabel": "Income Taxes", "label": "Income Tax, Policy [Policy Text Block]", "documentation": "Disclosure of accounting policy for income taxes, which may include its accounting policies for recognizing and measuring deferred tax assets and liabilities and related valuation allowances, recognizing investment tax credits, operating loss carryforwards, tax credit carryforwards, and other carryforwards, methodologies for determining its effective income tax rate and the characterization of interest and penalties in the financial statements." } } }, "auth_ref": [ "r288", "r558", "r559", "r563", "r564", "r568", "r570", "r820" ] }, "bcow_IncomeTaxReconciliationCashValueOfLifeInsurance": { "xbrltype": "monetaryItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "IncomeTaxReconciliationCashValueOfLifeInsurance", "crdr": "debit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/IncomeTaxesSummaryOfTheSourcesOfDifferencesBetweenIncomeTaxesAtTheFederalStatutoryRateAndTheProvisionCreditForIncomeTaxesDetail": { "parentTag": "us-gaap_IncomeTaxExpenseBenefit", "weight": 1.0, "order": 1.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/IncomeTaxesSummaryOfTheSourcesOfDifferencesBetweenIncomeTaxesAtTheFederalStatutoryRateAndTheProvisionCreditForIncomeTaxesDetail" ], "lang": { "en-us": { "role": { "verboseLabel": "Increase in cash value of life insurance, Amount", "label": "Income Tax Reconciliation Cash Value Of Life Insurance", "documentation": "Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to increase (decrease) in the cash value of life insurance." } } }, "auth_ref": [] }, "us-gaap_IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance", "crdr": "debit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/IncomeTaxesSummaryOfTheSourcesOfDifferencesBetweenIncomeTaxesAtTheFederalStatutoryRateAndTheProvisionCreditForIncomeTaxesDetail": { "parentTag": "us-gaap_IncomeTaxExpenseBenefit", "weight": 1.0, "order": 2.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/IncomeTaxesSummaryOfTheSourcesOfDifferencesBetweenIncomeTaxesAtTheFederalStatutoryRateAndTheProvisionCreditForIncomeTaxesDetail" ], "lang": { "en-us": { "role": { "verboseLabel": "Change in valuation allowance, Amount", "label": "Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Amount", "documentation": "Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to increase (decrease) in the valuation allowance for deferred tax assets." } } }, "auth_ref": [ "r1204" ] }, "us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate", "crdr": "debit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/IncomeTaxesSummaryOfTheSourcesOfDifferencesBetweenIncomeTaxesAtTheFederalStatutoryRateAndTheProvisionCreditForIncomeTaxesDetail": { "parentTag": "us-gaap_IncomeTaxExpenseBenefit", "weight": 1.0, "order": 0.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/IncomeTaxesSummaryOfTheSourcesOfDifferencesBetweenIncomeTaxesAtTheFederalStatutoryRateAndTheProvisionCreditForIncomeTaxesDetail" ], "lang": { "en-us": { "role": { "verboseLabel": "Federal income taxes at statutory rate, Amount", "label": "Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate, Amount", "documentation": "The amount of income tax expense or benefit for the period computed by applying the domestic federal statutory tax rates to pretax income from continuing operations." } } }, "auth_ref": [ "r561" ] }, "us-gaap_IncomeTaxReconciliationOtherAdjustments": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "IncomeTaxReconciliationOtherAdjustments", "crdr": "debit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/IncomeTaxesSummaryOfTheSourcesOfDifferencesBetweenIncomeTaxesAtTheFederalStatutoryRateAndTheProvisionCreditForIncomeTaxesDetail": { "parentTag": "us-gaap_IncomeTaxExpenseBenefit", "weight": 1.0, "order": 3.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/IncomeTaxesSummaryOfTheSourcesOfDifferencesBetweenIncomeTaxesAtTheFederalStatutoryRateAndTheProvisionCreditForIncomeTaxesDetail" ], "lang": { "en-us": { "role": { "verboseLabel": "Other net, Amount", "label": "Effective Income Tax Rate Reconciliation, Other Adjustments, Amount", "documentation": "Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to other adjustments." } } }, "auth_ref": [ "r1204" ] }, "us-gaap_IncomeTaxReconciliationTaxExemptIncome": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "IncomeTaxReconciliationTaxExemptIncome", "crdr": "credit", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/IncomeTaxesAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Tax exemption income", "label": "Effective Income Tax Rate Reconciliation, Tax Exempt Income, Amount", "documentation": "Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to income (loss) exempt from income taxes." } } }, "auth_ref": [ "r1204" ] }, "us-gaap_IncomeTaxesPaidNet": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "IncomeTaxesPaidNet", "crdr": "credit", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfCashFlows" ], "lang": { "en-us": { "role": { "terseLabel": "Cash received during the year for income taxes", "label": "Income Taxes Paid, Net", "totalLabel": "Income Taxes Paid, Net, Total", "documentation": "The amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income, net of any cash received during the current period as refunds for the overpayment of taxes." } } }, "auth_ref": [ "r65" ] }, "bcow_IncreaseDecreaseInAccruedInterestPayableAndOtherLiabilities": { "xbrltype": "monetaryItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "IncreaseDecreaseInAccruedInterestPayableAndOtherLiabilities", "crdr": "debit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfCashFlows": { "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": 1.0, "order": 7.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfCashFlows" ], "lang": { "en-us": { "role": { "terseLabel": "Change in accrued interest payable and other liabilities", "label": "Increase (Decrease) in Accrued Interest Payable and Other Liabilities", "documentation": "Increase (decrease) in accrued interest payable and other liabilities.", "verboseLabel": "Accrued interest payable and other liabilities" } } }, "auth_ref": [] }, "bcow_IncreaseDecreaseInAccruedInterestReceivableAndOtherAssets": { "xbrltype": "monetaryItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "IncreaseDecreaseInAccruedInterestReceivableAndOtherAssets", "crdr": "credit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfCashFlows": { "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": -1.0, "order": 2.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfCashFlows" ], "lang": { "en-us": { "role": { "negatedLabel": "Change in accrued interest receivable and other assets", "label": "Increase (Decrease) in Accrued Interest Receivable And Other Assets", "documentation": "Increase (decrease) in accrued interest receivable and other assets.", "negatedTerseLabel": "Accrued interest receivable and other assets" } } }, "auth_ref": [] }, "us-gaap_IncreaseDecreaseInAdvancePaymentsByBorrowersForTaxesAndInsurance": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "IncreaseDecreaseInAdvancePaymentsByBorrowersForTaxesAndInsurance", "crdr": "debit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfCashFlows": { "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivities", "weight": 1.0, "order": 1.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfCashFlows" ], "lang": { "en-us": { "role": { "terseLabel": "Net increase (decrease) in advance payments by borrowers for taxes and insurance", "label": "Increase (Decrease) in Advance Payments by Borrowers for Taxes and Insurance", "documentation": "Amount of increase (decrease) in prepayments received from borrowers for taxes and insurance remitted to the appropriate tax authority or insurer on behalf of the borrower." } } }, "auth_ref": [] }, "us-gaap_IncreaseDecreaseInDeferredCharges": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "IncreaseDecreaseInDeferredCharges", "crdr": "credit", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DeferredCompensationAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "verboseLabel": "Charges to operations", "label": "Increase (Decrease) in Deferred Charges", "documentation": "The increase (decrease) during the reporting period in the value of expenditures made during the current reporting period for benefits that will be received over a period of years. Deferred charges differ from prepaid expenses in that they usually extend over a long period of time and may or may not be regularly recurring costs of operation." } } }, "auth_ref": [ "r10" ] }, "us-gaap_IncreaseDecreaseInDeposits": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "IncreaseDecreaseInDeposits", "crdr": "debit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfCashFlows": { "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivities", "weight": 1.0, "order": 0.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfCashFlows" ], "lang": { "en-us": { "role": { "verboseLabel": "Net increase in deposits", "label": "Increase (Decrease) in Deposits", "totalLabel": "Increase (Decrease) in Deposits, Total", "documentation": "The net cash inflow or outflow for the increase (decrease) in the beginning and end of period deposits balances." } } }, "auth_ref": [ "r63", "r136" ] }, "us-gaap_IncreaseDecreaseInInsuranceSettlementsReceivable": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "IncreaseDecreaseInInsuranceSettlementsReceivable", "crdr": "credit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfCashFlows": { "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": -1.0, "order": 1.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfCashFlows" ], "lang": { "en-us": { "role": { "negatedLabel": "Net change in cash value of life insurance", "label": "Increase (Decrease) in Insurance Settlements Receivable", "documentation": "The increase (decrease) during the reporting period in insurance settlements receivable, which are amounts due in settlement of a claim for reimbursement from an insurance company when the Company has suffered a loss covered under an insurance policy. The expectation is that such reimbursement will be received within one year of the balance sheet date." } } }, "auth_ref": [ "r10" ] }, "bcow_IncreaseDecreaseInMortgageServicingRights": { "xbrltype": "monetaryItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "IncreaseDecreaseInMortgageServicingRights", "crdr": "credit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfCashFlows": { "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": -1.0, "order": 17.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfCashFlows" ], "lang": { "en-us": { "role": { "negatedLabel": "Net change in mortgage servicing rights", "label": "Increase Decrease In Mortgage Servicing Rights", "documentation": "Increase (decrease) in mortgage servicing rights." } } }, "auth_ref": [] }, "us-gaap_IncreaseDecreaseInOperatingCapital": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "IncreaseDecreaseInOperatingCapital", "crdr": "credit", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/SummaryOfSignificantAccountingPoliciesAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Increase in assets and liabilities", "label": "Increase (Decrease) in Operating Capital", "totalLabel": "Increase (Decrease) in Operating Capital, Total", "documentation": "The increase (decrease) during the reporting period of all assets and liabilities used in operating activities." } } }, "auth_ref": [ "r10" ] }, "us-gaap_IncreaseDecreaseInOperatingCapitalAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "IncreaseDecreaseInOperatingCapitalAbstract", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfCashFlows", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureParentCompanyOnlyFinancialStatementsSummaryOfCondensedFinancialStatementsOfParentHoldingCompanyDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Changes in operating assets and liabilities:", "label": "Increase (Decrease) in Operating Capital [Abstract]" } } }, "auth_ref": [] }, "us-gaap_IncreaseDecreaseInOtherOperatingAssets": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "IncreaseDecreaseInOtherOperatingAssets", "crdr": "credit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureParentCompanyOnlyFinancialStatementsSummaryOfCondensedFinancialStatementsOfParentHoldingCompanyDetail3": { "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": -1.0, "order": 2.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureParentCompanyOnlyFinancialStatementsSummaryOfCondensedFinancialStatementsOfParentHoldingCompanyDetail" ], "lang": { "en-us": { "role": { "negatedLabel": "Net change in other assets", "totalLabel": "Increase (Decrease) in Other Operating Assets, Total", "label": "Increase (Decrease) in Other Operating Assets", "terseLabel": "Net increase in other assets", "documentation": "Amount of increase (decrease) in operating assets classified as other." } } }, "auth_ref": [ "r10" ] }, "us-gaap_IncreaseDecreaseInOtherOperatingLiabilities": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "IncreaseDecreaseInOtherOperatingLiabilities", "crdr": "debit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureParentCompanyOnlyFinancialStatementsSummaryOfCondensedFinancialStatementsOfParentHoldingCompanyDetail3": { "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": 1.0, "order": 5.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureParentCompanyOnlyFinancialStatementsSummaryOfCondensedFinancialStatementsOfParentHoldingCompanyDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Net change in other liabilities", "totalLabel": "Increase (Decrease) in Other Operating Liabilities, Total", "label": "Increase (Decrease) in Other Operating Liabilities", "documentation": "Amount of increase (decrease) in operating liabilities classified as other." } } }, "auth_ref": [ "r10" ] }, "bcow_IncreaseInCashSurrenderValueOfLifeInsurance": { "xbrltype": "monetaryItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "IncreaseInCashSurrenderValueOfLifeInsurance", "crdr": "credit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfOperations": { "parentTag": "us-gaap_NoninterestIncome", "weight": 1.0, "order": 4.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfOperations" ], "lang": { "en-us": { "role": { "terseLabel": "Increase in cash surrender value of insurance", "label": "Increase In Cash Surrender Value Of Life Insurance", "documentation": "Increase in cash surrender value of life insurance." } } }, "auth_ref": [] }, "ecd_IndividualAxis": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/ecd/2023", "localname": "IndividualAxis", "presentation": [ "http://xbrl.sec.gov/ecd/role/AwardTimingDisclosure", "http://xbrl.sec.gov/ecd/role/ErrCompDisclosure", "http://xbrl.sec.gov/ecd/role/InsiderTradingArrangements", "http://xbrl.sec.gov/ecd/role/PvpDisclosure" ], "lang": { "en-us": { "role": { "label": "Individual [Axis]", "terseLabel": "Individual:" } } }, "auth_ref": [ "r996", "r1005", "r1015", "r1032", "r1041", "r1045", "r1053" ] }, "ecd_InsiderTradingArrLineItems": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/ecd/2023", "localname": "InsiderTradingArrLineItems", "lang": { "en-us": { "role": { "label": "Insider Trading Arrangements [Line Items]", "terseLabel": "Insider Trading Arrangements:" } } }, "auth_ref": [ "r1051" ] }, "ecd_InsiderTradingPoliciesProcLineItems": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/ecd/2023", "localname": "InsiderTradingPoliciesProcLineItems", "lang": { "en-us": { "role": { "label": "Insider Trading Policies and Procedures [Line Items]", "terseLabel": "Insider Trading Policies and Procedures:" } } }, "auth_ref": [ "r985", "r1057" ] }, "ecd_InsiderTrdPoliciesProcAdoptedFlag": { "xbrltype": "booleanItemType", "nsuri": "http://xbrl.sec.gov/ecd/2023", "localname": "InsiderTrdPoliciesProcAdoptedFlag", "presentation": [ "http://xbrl.sec.gov/ecd/role/InsiderTradingPoliciesProc" ], "lang": { "en-us": { "role": { "label": "Insider Trading Policies and Procedures Adopted [Flag]", "terseLabel": "Insider Trading Policies and Procedures Adopted" } } }, "auth_ref": [ "r985", "r1057" ] }, "ecd_InsiderTrdPoliciesProcNotAdoptedTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://xbrl.sec.gov/ecd/2023", "localname": "InsiderTrdPoliciesProcNotAdoptedTextBlock", "presentation": [ "http://xbrl.sec.gov/ecd/role/InsiderTradingPoliciesProc" ], "lang": { "en-us": { "role": { "label": "Insider Trading Policies and Procedures Not Adopted [Text Block]", "terseLabel": "Insider Trading Policies and Procedures Not Adopted" } } }, "auth_ref": [ "r985", "r1057" ] }, "us-gaap_InterestAndDividendIncomeOperating": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "InterestAndDividendIncomeOperating", "crdr": "credit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfOperations": { "parentTag": "us-gaap_InterestIncomeExpenseNet", "weight": 1.0, "order": 0.0 }, "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureParentCompanyOnlyFinancialStatementsSummaryOfCondensedFinancialStatementsOfParentHoldingCompanyDetail4": { "parentTag": "us-gaap_InterestIncomeExpenseNet", "weight": 1.0, "order": 0.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfOperations", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureParentCompanyOnlyFinancialStatementsSummaryOfCondensedFinancialStatementsOfParentHoldingCompanyDetail" ], "lang": { "en-us": { "role": { "totalLabel": "Total interest and dividend income", "label": "Interest and Dividend Income, Operating", "documentation": "Represents the total of interest and dividend income, including any amortization and accretion (as applicable) of discounts and premiums, earned from (1) loans and leases whether held-for-sale or held-in-portfolio; (2) investment securities; (3) federal funds sold; (4) securities purchased under agreements to resell; (5) investments in banker's acceptances, commercial paper, or certificates of deposit; (6) dividend income; or (7) other investments not otherwise specified herein." } } }, "auth_ref": [ "r197", "r1249" ] }, "us-gaap_InterestAndDividendIncomeOperatingAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "InterestAndDividendIncomeOperatingAbstract", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfOperations", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureParentCompanyOnlyFinancialStatementsSummaryOfCondensedFinancialStatementsOfParentHoldingCompanyDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Interest and dividend income:", "label": "Interest and Dividend Income, Operating [Abstract]" } } }, "auth_ref": [] }, "us-gaap_InterestAndFeeIncomeLoansAndLeases": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "InterestAndFeeIncomeLoansAndLeases", "crdr": "credit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfOperations": { "parentTag": "us-gaap_InterestAndDividendIncomeOperating", "weight": 1.0, "order": 0.0 }, "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureParentCompanyOnlyFinancialStatementsSummaryOfCondensedFinancialStatementsOfParentHoldingCompanyDetail4": { "parentTag": "us-gaap_InterestAndDividendIncomeOperating", "weight": 1.0, "order": 0.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfOperations", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureParentCompanyOnlyFinancialStatementsSummaryOfCondensedFinancialStatementsOfParentHoldingCompanyDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Loans, including fees", "label": "Interest and Fee Income, Loans and Leases", "totalLabel": "Interest and Fee Income, Loans and Leases, Total", "verboseLabel": "Loans-ESOP", "documentation": "The aggregate interest and fee income generated by: (1) loans the Entity has positive intent and ability to hold for the foreseeable future, or until maturity or payoff, including commercial and consumer loans, whether domestic or foreign, which may consist of: (a) industrial and agricultural; (b) real estate; and (c) real estate construction loans; (d) trade financing; (e) lease financing; (f) home equity lines-of-credit; (g) automobile and other vehicle loans; and (h) credit card and other revolving-type loans and (2) loans and leases held-for-sale which may include mortgage loans, direct financing, and sales-type leases." } } }, "auth_ref": [ "r196" ] }, "us-gaap_InterestBearingDomesticDepositBrokered": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "InterestBearingDomesticDepositBrokered", "crdr": "credit", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DepositsCompositionOfDepositsParentheticalDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Brokered deposits", "label": "Interest-Bearing Domestic Deposit, Brokered", "documentation": "Amount of interest-bearing domestic third-party deposits placed by or through the assistance of a deposit broker, also known as brokered deposit liabilities." } } }, "auth_ref": [ "r129" ] }, "us-gaap_InterestBearingDomesticDepositCertificatesOfDeposits": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "InterestBearingDomesticDepositCertificatesOfDeposits", "crdr": "credit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DepositsCompositionOfDepositsDetail": { "parentTag": "us-gaap_Deposits", "weight": 1.0, "order": 4.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DepositsCompositionOfDepositsDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Certificates of deposit", "label": "Interest-Bearing Domestic Deposit, Certificates of Deposits", "documentation": "Amount of interest-bearing domestic certificate of deposit liabilities." } } }, "auth_ref": [ "r129" ] }, "us-gaap_InterestBearingDomesticDepositDemand": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "InterestBearingDomesticDepositDemand", "crdr": "credit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DepositsCompositionOfDepositsDetail": { "parentTag": "us-gaap_Deposits", "weight": 1.0, "order": 1.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DepositsCompositionOfDepositsDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Interest bearing checking", "label": "Interest-Bearing Domestic Deposit, Demand", "documentation": "Amount of money in interest-bearing domestic accounts that entitle the depositor to withdraw funds at any time without prior notice, also known as demand deposits." } } }, "auth_ref": [ "r129" ] }, "us-gaap_InterestBearingDomesticDepositMoneyMarket": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "InterestBearingDomesticDepositMoneyMarket", "crdr": "credit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DepositsCompositionOfDepositsDetail": { "parentTag": "us-gaap_Deposits", "weight": 1.0, "order": 2.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DepositsCompositionOfDepositsDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Money market", "label": "Interest-Bearing Domestic Deposit, Money Market", "documentation": "Amount of interest-bearing domestic money market demand account deposit liabilities." } } }, "auth_ref": [ "r129" ] }, "us-gaap_InterestBearingDomesticDepositSavings": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "InterestBearingDomesticDepositSavings", "crdr": "credit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DepositsCompositionOfDepositsDetail": { "parentTag": "us-gaap_Deposits", "weight": 1.0, "order": 3.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DepositsCompositionOfDepositsDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Statement savings", "label": "Interest-Bearing Domestic Deposit, Savings", "documentation": "Amount of interest-bearing domestic savings deposit liabilities. Saving deposits bear interest and have no stated maturity." } } }, "auth_ref": [ "r129" ] }, "us-gaap_InterestExpense": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "InterestExpense", "crdr": "debit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfOperations": { "parentTag": "us-gaap_InterestIncomeExpenseNet", "weight": -1.0, "order": 1.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfOperations", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureParentCompanyOnlyFinancialStatementsSummaryOfCondensedFinancialStatementsOfParentHoldingCompanyDetail" ], "lang": { "en-us": { "role": { "totalLabel": "Total interest expense", "label": "Interest Expense", "terseLabel": "Total interest expense", "documentation": "Amount of the cost of borrowed funds accounted for as interest expense." } } }, "auth_ref": [ "r122", "r209", "r292", "r350", "r654", "r885", "r975", "r1245" ] }, "us-gaap_InterestExpenseAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "InterestExpenseAbstract", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfOperations", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureParentCompanyOnlyFinancialStatementsSummaryOfCondensedFinancialStatementsOfParentHoldingCompanyDetail" ], "lang": { "en-us": { "role": { "verboseLabel": "Interest expense:", "label": "Interest Expense [Abstract]" } } }, "auth_ref": [] }, "us-gaap_InterestExpenseBorrowings": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "InterestExpenseBorrowings", "crdr": "debit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfOperations": { "parentTag": "us-gaap_InterestExpense", "weight": 1.0, "order": 2.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfOperations" ], "lang": { "en-us": { "role": { "terseLabel": "Borrowed funds", "label": "Interest Expense, Borrowings", "totalLabel": "Interest Expense, Borrowings, Total", "documentation": "Aggregate amount of interest expense on all borrowings." } } }, "auth_ref": [ "r208" ] }, "us-gaap_InterestExpenseDeposits": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "InterestExpenseDeposits", "crdr": "debit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfOperations": { "parentTag": "us-gaap_InterestExpense", "weight": 1.0, "order": 0.0 }, "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DepositsInterestExpenseOnDepositsDetail": { "parentTag": null, "weight": null, "order": null, "root": true } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfOperations", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DepositsInterestExpenseOnDepositsDetail" ], "lang": { "en-us": { "role": { "verboseLabel": "Total", "terseLabel": "Interest-bearing deposits", "label": "Interest Expense, Deposits", "totalLabel": "Interest Expense, Deposits, Total", "documentation": "Aggregate amount of interest expense on all deposits." } } }, "auth_ref": [ "r207" ] }, "us-gaap_InterestExpenseDomesticDepositLiabilitiesCertificatesOfDeposit": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "InterestExpenseDomesticDepositLiabilitiesCertificatesOfDeposit", "crdr": "debit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DepositsInterestExpenseOnDepositsDetail": { "parentTag": "us-gaap_InterestExpenseDeposits", "weight": 1.0, "order": 3.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DepositsInterestExpenseOnDepositsDetail" ], "lang": { "en-us": { "role": { "verboseLabel": "Certificates of deposit", "label": "Interest Expense Domestic Deposit Liabilities, Certificates of Deposit", "documentation": "Amount of interest expense on domestic certificates of deposit liabilities." } } }, "auth_ref": [ "r207" ] }, "us-gaap_InterestExpenseDomesticDepositLiabilitiesChecking": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "InterestExpenseDomesticDepositLiabilitiesChecking", "crdr": "debit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DepositsInterestExpenseOnDepositsDetail": { "parentTag": "us-gaap_InterestExpenseDeposits", "weight": 1.0, "order": 0.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DepositsInterestExpenseOnDepositsDetail" ], "lang": { "en-us": { "role": { "verboseLabel": "Interest bearing checking", "label": "Interest Expense Domestic Deposit Liabilities, Checking", "documentation": "Amount of interest expense on domestic checking deposit liabilities." } } }, "auth_ref": [ "r207" ] }, "us-gaap_InterestExpenseDomesticDepositLiabilitiesMoneyMarket": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "InterestExpenseDomesticDepositLiabilitiesMoneyMarket", "crdr": "debit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DepositsInterestExpenseOnDepositsDetail": { "parentTag": "us-gaap_InterestExpenseDeposits", "weight": 1.0, "order": 1.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DepositsInterestExpenseOnDepositsDetail" ], "lang": { "en-us": { "role": { "verboseLabel": "Money market", "label": "Interest Expense Domestic Deposit Liabilities, Money Market", "documentation": "Amount of interest expense on domestic money market demand account deposit liabilities." } } }, "auth_ref": [ "r207" ] }, "us-gaap_InterestExpenseDomesticDepositLiabilitiesSavings": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "InterestExpenseDomesticDepositLiabilitiesSavings", "crdr": "debit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DepositsInterestExpenseOnDepositsDetail": { "parentTag": "us-gaap_InterestExpenseDeposits", "weight": 1.0, "order": 2.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DepositsInterestExpenseOnDepositsDetail" ], "lang": { "en-us": { "role": { "verboseLabel": "Statement savings", "label": "Interest Expense Domestic Deposit Liabilities, Savings", "documentation": "Amount of interest expense on domestic savings deposit liabilities." } } }, "auth_ref": [ "r207" ] }, "us-gaap_InterestExpenseOther": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "InterestExpenseOther", "crdr": "debit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfOperations": { "parentTag": "us-gaap_InterestExpense", "weight": 1.0, "order": 1.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfOperations" ], "lang": { "en-us": { "role": { "label": "Interest Expense, Other", "terseLabel": "Other interest-bearing funds", "documentation": "Amount of interest expense classified as other." } } }, "auth_ref": [] }, "us-gaap_InterestIncomeExpenseAfterProvisionForLoanLoss": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "InterestIncomeExpenseAfterProvisionForLoanLoss", "crdr": "credit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfOperations": { "parentTag": "us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest", "weight": 1.0, "order": 0.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfOperations" ], "lang": { "en-us": { "role": { "totalLabel": "Net interest income after provision for credit losses", "label": "Interest Income (Expense), after Provision for Loan Loss", "documentation": "Amount of interest income or expense, including any amortization and accretion (as applicable) of discounts and premiums, including consideration of the provisions for loan, lease, credit, and other related losses." } } }, "auth_ref": [ "r200" ] }, "us-gaap_InterestIncomeExpenseNet": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "InterestIncomeExpenseNet", "crdr": "credit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfOperations": { "parentTag": "us-gaap_InterestIncomeExpenseAfterProvisionForLoanLoss", "weight": 1.0, "order": 0.0 }, "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureParentCompanyOnlyFinancialStatementsSummaryOfCondensedFinancialStatementsOfParentHoldingCompanyDetail4": { "parentTag": "us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest", "weight": 1.0, "order": 2.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfOperations", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureParentCompanyOnlyFinancialStatementsSummaryOfCondensedFinancialStatementsOfParentHoldingCompanyDetail" ], "lang": { "en-us": { "role": { "totalLabel": "Net interest income", "label": "Interest Income (Expense), Net", "terseLabel": "Net interest income", "documentation": "The net amount of operating interest income (expense)." } } }, "auth_ref": [ "r198" ] }, "us-gaap_InterestIncomeSecuritiesTaxable": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "InterestIncomeSecuritiesTaxable", "crdr": "credit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfOperations": { "parentTag": "us-gaap_InterestAndDividendIncomeOperating", "weight": 1.0, "order": 1.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfOperations" ], "lang": { "en-us": { "role": { "terseLabel": "Securities, taxable", "label": "Interest Income, Securities, Operating, Taxable", "documentation": "Amount of operating interest income, including amortization and accretion of premiums and discounts, on securities subject to state, federal and other income tax." } } }, "auth_ref": [ "r205", "r244", "r245" ] }, "us-gaap_InterestPaidNet": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "InterestPaidNet", "crdr": "credit", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfCashFlows" ], "lang": { "en-us": { "role": { "terseLabel": "Cash paid during the year for interest", "label": "Interest Paid, Excluding Capitalized Interest, Operating Activities", "documentation": "Amount of cash paid for interest, excluding capitalized interest, classified as operating activity. Includes, but is not limited to, payment to settle zero-coupon bond for accreted interest of debt discount and debt instrument with insignificant coupon interest rate in relation to effective interest rate of borrowing attributable to accreted interest of debt discount." } } }, "auth_ref": [ "r298", "r302", "r303" ] }, "us-gaap_InterestPayableCurrentAndNoncurrent": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "InterestPayableCurrentAndNoncurrent", "crdr": "credit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedBalanceSheets": { "parentTag": "us-gaap_Liabilities", "weight": 1.0, "order": 3.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedBalanceSheets" ], "lang": { "en-us": { "role": { "terseLabel": "Accrued interest payable", "label": "Interest Payable", "documentation": "Amount of interest payable on debt, including, but not limited to, trade payables." } } }, "auth_ref": [ "r130", "r1236" ] }, "us-gaap_InterestRateLockCommitmentsMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "InterestRateLockCommitmentsMember", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/FairValueScheduleOfQuantitativeInformationAboutNonrecurringLevel3FairValueMeasurementsDetail" ], "lang": { "en-us": { "role": { "label": "Interest Rate Lock Commitments [Member]", "documentation": "Commitments to extend credit where the interest rate is locked in advance of funds being disbursed for a specified period of time." } } }, "auth_ref": [] }, "us-gaap_InterestReceivable": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "InterestReceivable", "crdr": "debit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedBalanceSheets": { "parentTag": "us-gaap_Assets", "weight": 1.0, "order": 9.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedBalanceSheets", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/FairValueSummaryOfCarryingValuesAndEstimatedFairValuesOfFinancialInstrumentsDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Accrued interest receivable", "label": "Interest Receivable", "documentation": "Carrying amount as of the balance sheet date of interest earned but not received. Also called accrued interest or accrued interest receivable." } } }, "auth_ref": [ "r1104", "r1248" ] }, "us-gaap_InternalCreditAssessmentAxis": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "InternalCreditAssessmentAxis", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureLoansSummaryOfAmortizedCostBasisOfLoansByCreditQualityIndicatorAndOriginationYearDetails", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureLoansSummaryOfGrossChargeoffsOfLoansForPortfolioClassByOriginationYearDetails", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/LoansAdditionalInformationDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/LoansSummaryOfInternalRiskRatingsOfLoansDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Internal Credit Assessment [Axis]", "label": "Internal Credit Assessment [Axis]", "documentation": "Information by entity-defined rating." } } }, "auth_ref": [ "r83", "r597", "r942", "r943", "r1160" ] }, "us-gaap_InternalCreditAssessmentDomain": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "InternalCreditAssessmentDomain", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureLoansSummaryOfAmortizedCostBasisOfLoansByCreditQualityIndicatorAndOriginationYearDetails", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureLoansSummaryOfGrossChargeoffsOfLoansForPortfolioClassByOriginationYearDetails", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/LoansAdditionalInformationDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/LoansSummaryOfInternalRiskRatingsOfLoansDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Internal Credit Assessment [Domain]", "label": "Internal Credit Assessment [Domain]", "documentation": "Entity defined credit risk rating." } } }, "auth_ref": [] }, "bcow_InternalCreditRiskRatingMember": { "xbrltype": "domainItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "InternalCreditRiskRatingMember", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/LoansSummaryOfInternalRiskRatingsOfLoansDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Internal Credit Risk Rating [Member]", "label": "Internal Credit Risk Rating [Member]", "documentation": "Internal Credit Risk Rating [Member]" } } }, "auth_ref": [] }, "us-gaap_Investments": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "Investments", "crdr": "debit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureParentCompanyOnlyFinancialStatementsSummaryOfCondensedFinancialStatementsOfParentHoldingCompanyDetail": { "parentTag": "us-gaap_Assets", "weight": 1.0, "order": 2.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureParentCompanyOnlyFinancialStatementsSummaryOfCondensedFinancialStatementsOfParentHoldingCompanyDetail" ], "lang": { "en-us": { "role": { "totalLabel": "Investments, Total", "label": "Investments", "terseLabel": "Investment in subsidiary, at underlying equity", "documentation": "Sum of the carrying amounts as of the balance sheet date of all investments." } } }, "auth_ref": [ "r777" ] }, "us-gaap_InvestmentsClassifiedByContractualMaturityDateTableTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "InvestmentsClassifiedByContractualMaturityDateTableTextBlock", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/AvailableForSaleSecuritiesTables" ], "lang": { "en-us": { "role": { "terseLabel": "Summary of Amortized Costs and Fair Values of Securities Available-for-sale, by Contractual Maturity", "label": "Investments Classified by Contractual Maturity Date [Table Text Block]", "documentation": "Tabular disclosure of maturities of an entity's investments as well as any other information pertinent to the investments." } } }, "auth_ref": [] }, "us-gaap_InvestmentsDebtAndEquitySecuritiesAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "InvestmentsDebtAndEquitySecuritiesAbstract", "lang": { "en-us": { "role": { "verboseLabel": "Investments Debt And Equity Securities [Abstract]", "terseLabel": "Investments Debt And Equity Securities [Abstract]", "label": "Investments, Debt and Equity Securities [Abstract]" } } }, "auth_ref": [] }, "us-gaap_InvestmentsInDebtAndMarketableEquitySecuritiesAndCertainTradingAssetsDisclosureTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "InvestmentsInDebtAndMarketableEquitySecuritiesAndCertainTradingAssetsDisclosureTextBlock", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/AvailableForSaleSecurities" ], "lang": { "en-us": { "role": { "verboseLabel": "Available for Sale Securities", "label": "Investments in Debt and Marketable Equity Securities (and Certain Trading Assets) Disclosure [Text Block]", "documentation": "The entire disclosure for investments in certain debt and equity securities." } } }, "auth_ref": [ "r184", "r210", "r213", "r246", "r372", "r374", "r631", "r632" ] }, "bcow_IssuanceOfTreasuryStockStockCompensationPlan": { "xbrltype": "monetaryItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "IssuanceOfTreasuryStockStockCompensationPlan", "crdr": "credit", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfCashFlows" ], "lang": { "en-us": { "role": { "terseLabel": "Issuance of treasury stock \u2013 stock compensation plans", "label": "Issuance Of Treasury Stock Stock Compensation Plan", "documentation": "Issuance of treasury stock- stock compensation plan." } } }, "auth_ref": [] }, "us-gaap_LaborAndRelatedExpense": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "LaborAndRelatedExpense", "crdr": "debit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfOperations": { "parentTag": "us-gaap_NoninterestExpense", "weight": 1.0, "order": 0.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfOperations" ], "lang": { "en-us": { "role": { "terseLabel": "Salaries and employee benefits", "label": "Labor and Related Expense", "documentation": "Amount of expense for salary, wage, profit sharing; incentive and equity-based compensation; and other employee benefit." } } }, "auth_ref": [ "r1110" ] }, "us-gaap_LandMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "LandMember", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosurePremisesAndEquipmentSummaryOfPremisesAndEquipmentDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/LoansSummaryOfMajorClassificationsOfLoansDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Land [Member]", "label": "Land [Member]", "documentation": "Part of earth's surface not covered by water." } } }, "auth_ref": [ "r1176" ] }, "us-gaap_LeaseCost": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "LeaseCost", "crdr": "debit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosurePremisesAndEquipmentSummaryOfNetLeaseCostDetail": { "parentTag": null, "weight": null, "order": null, "root": true } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosurePremisesAndEquipmentSummaryOfNetLeaseCostDetail" ], "lang": { "en-us": { "role": { "label": "Lease, Cost", "totalLabel": "Net lease cost", "documentation": "Amount of lease cost recognized by lessee for lease contract." } } }, "auth_ref": [ "r666", "r962" ] }, "us-gaap_LeaseCostAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "LeaseCostAbstract", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosurePremisesAndEquipmentSummaryOfNetLeaseCostDetail" ], "lang": { "en-us": { "role": { "label": "Lease, Cost [Abstract]", "terseLabel": "Net Lease Cost:" } } }, "auth_ref": [] }, "us-gaap_LeaseCostTableTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "LeaseCostTableTextBlock", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/PremisesAndEquipmentTables" ], "lang": { "en-us": { "role": { "label": "Lease, Cost [Table Text Block]", "terseLabel": "Summary of Net Lease Cost", "documentation": "Tabular disclosure of lessee's lease cost. Includes, but is not limited to, interest expense for finance lease, amortization of right-of-use asset for finance lease, operating lease cost, short-term lease cost, variable lease cost and sublease income." } } }, "auth_ref": [ "r1216" ] }, "bcow_LeaseLiabilitiesArisingFromObtainingRightOfUseAssets": { "xbrltype": "monetaryItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "LeaseLiabilitiesArisingFromObtainingRightOfUseAssets", "crdr": "credit", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfCashFlows" ], "lang": { "en-us": { "role": { "documentation": "Lease liabilities arising from obtaining right-of-use assets.", "label": "Lease Liabilities Arising from Obtaining Right-of-Use Assets", "terseLabel": "Lease liabilities arising from obtaining right-of-use assets" } } }, "auth_ref": [] }, "bcow_LeaseholdAndLandImprovementsMember": { "xbrltype": "domainItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "LeaseholdAndLandImprovementsMember", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosurePremisesAndEquipmentSummaryOfPremisesAndEquipmentDetail" ], "lang": { "en-us": { "role": { "documentation": "Leasehold And Land Improvements Member", "terseLabel": "Leasehold Improvements [Member]", "label": "Leasehold and Land Improvements [Member]" } } }, "auth_ref": [] }, "dei_LegalEntityAxis": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/dei/2023", "localname": "LegalEntityAxis", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/NatureOfOperationsAndBasisOfPresentationAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Legal Entity:", "label": "Legal Entity [Axis]", "documentation": "The set of legal entities associated with a report." } } }, "auth_ref": [] }, "us-gaap_LesseeLeasesPolicyTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "LesseeLeasesPolicyTextBlock", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/SummaryOfSignificantAccountingPoliciesPolicies" ], "lang": { "en-us": { "role": { "label": "Lessee, Leases [Policy Text Block]", "terseLabel": "Operating Leases", "documentation": "Disclosure of accounting policy for leasing arrangement entered into by lessee." } } }, "auth_ref": [ "r664" ] }, "us-gaap_LesseeOperatingLeaseExistenceOfOptionToExtend": { "xbrltype": "booleanItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "LesseeOperatingLeaseExistenceOfOptionToExtend", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosurePremisesAndEquipmentAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "label": "Lessee, Operating Lease, Existence of Option to Extend [true false]", "documentation": "Indicates (true false) whether lessee has option to extend operating lease." } } }, "auth_ref": [ "r665" ] }, "us-gaap_LesseeOperatingLeaseLiabilityMaturityTableTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "LesseeOperatingLeaseLiabilityMaturityTableTextBlock", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/PremisesAndEquipmentTables" ], "lang": { "en-us": { "role": { "terseLabel": "Summary of Rent commitments Before Considering Renewal Options", "label": "Lessee, Operating Lease, Liability, to be Paid, Maturity [Table Text Block]", "verboseLabel": "Summary of Maturity of Remaining Lease Liabilities", "documentation": "Tabular disclosure of undiscounted cash flows of lessee's operating lease liability. Includes, but is not limited to, reconciliation of undiscounted cash flows to operating lease liability recognized in statement of financial position." } } }, "auth_ref": [ "r1217" ] }, "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "LesseeOperatingLeaseLiabilityPaymentsDue", "crdr": "credit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosurePremisesAndEquipmentSummaryOfMaturityOfRemainingLeaseLiabilitiesDetail2": { "parentTag": null, "weight": null, "order": null, "root": true }, "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosurePremisesAndEquipmentSummaryOfMaturityOfRemainingLeaseLiabilitiesDetail3": { "parentTag": null, "weight": null, "order": null, "root": true } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosurePremisesAndEquipmentSummaryOfMaturityOfRemainingLeaseLiabilitiesDetail3" ], "lang": { "en-us": { "role": { "totalLabel": "Sub-total", "label": "Lessee, Operating Lease, Liability, to be Paid", "documentation": "Amount of lessee's undiscounted obligation for lease payment for operating lease." } } }, "auth_ref": [ "r671" ] }, "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths", "crdr": "credit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosurePremisesAndEquipmentSummaryOfMaturityOfRemainingLeaseLiabilitiesDetail3": { "parentTag": "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue", "weight": 1.0, "order": 0.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosurePremisesAndEquipmentSummaryOfMaturityOfRemainingLeaseLiabilitiesDetail3" ], "lang": { "en-us": { "role": { "terseLabel": "2024", "label": "Lessee, Operating Lease, Liability, to be Paid, Year One", "documentation": "Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach)." } } }, "auth_ref": [ "r671" ] }, "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "LesseeOperatingLeaseLiabilityPaymentsDueYearFour", "crdr": "credit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosurePremisesAndEquipmentSummaryOfMaturityOfRemainingLeaseLiabilitiesDetail3": { "parentTag": "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue", "weight": 1.0, "order": 3.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosurePremisesAndEquipmentSummaryOfMaturityOfRemainingLeaseLiabilitiesDetail3" ], "lang": { "en-us": { "role": { "terseLabel": "2027", "label": "Lessee, Operating Lease, Liability, to be Paid, Year Four", "documentation": "Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach)." } } }, "auth_ref": [ "r671" ] }, "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "LesseeOperatingLeaseLiabilityPaymentsDueYearThree", "crdr": "credit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosurePremisesAndEquipmentSummaryOfMaturityOfRemainingLeaseLiabilitiesDetail3": { "parentTag": "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue", "weight": 1.0, "order": 2.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosurePremisesAndEquipmentSummaryOfMaturityOfRemainingLeaseLiabilitiesDetail3" ], "lang": { "en-us": { "role": { "terseLabel": "2026", "label": "Lessee, Operating Lease, Liability, to be Paid, Year Three", "documentation": "Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach)." } } }, "auth_ref": [ "r671" ] }, "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "LesseeOperatingLeaseLiabilityPaymentsDueYearTwo", "crdr": "credit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosurePremisesAndEquipmentSummaryOfMaturityOfRemainingLeaseLiabilitiesDetail3": { "parentTag": "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue", "weight": 1.0, "order": 1.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosurePremisesAndEquipmentSummaryOfMaturityOfRemainingLeaseLiabilitiesDetail3" ], "lang": { "en-us": { "role": { "terseLabel": "2025", "label": "Lessee, Operating Lease, Liability, to be Paid, Year Two", "documentation": "Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach)." } } }, "auth_ref": [ "r671" ] }, "us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "LesseeOperatingLeaseLiabilityUndiscountedExcessAmount", "crdr": "credit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosurePremisesAndEquipmentSummaryOfMaturityOfRemainingLeaseLiabilitiesDetail2": { "parentTag": "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue", "weight": 1.0, "order": 1.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosurePremisesAndEquipmentSummaryOfMaturityOfRemainingLeaseLiabilitiesDetail3" ], "lang": { "en-us": { "role": { "label": "Lessee, Operating Lease, Liability, Undiscounted Excess Amount", "terseLabel": "Less amount representing interest", "negatedTerseLabel": "Less amount representing interest", "documentation": "Amount of lessee's undiscounted obligation for lease payments in excess of discounted obligation for lease payments for operating lease." } } }, "auth_ref": [ "r671" ] }, "us-gaap_LesseeOperatingLeaseRemainingLeaseTerm": { "xbrltype": "durationItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "LesseeOperatingLeaseRemainingLeaseTerm", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosurePremisesAndEquipmentAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Remaining lease term", "label": "Lessee, Operating Lease, Remaining Lease Term", "documentation": "Remaining lease term of operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days." } } }, "auth_ref": [ "r1215" ] }, "us-gaap_Liabilities": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "Liabilities", "crdr": "credit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedBalanceSheets": { "parentTag": "us-gaap_LiabilitiesAndStockholdersEquity", "weight": 1.0, "order": 0.0 }, "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureParentCompanyOnlyFinancialStatementsSummaryOfCondensedFinancialStatementsOfParentHoldingCompanyDetail": { "parentTag": "us-gaap_LiabilitiesAndStockholdersEquity", "weight": 1.0, "order": 0.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedBalanceSheets", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureParentCompanyOnlyFinancialStatementsSummaryOfCondensedFinancialStatementsOfParentHoldingCompanyDetail" ], "lang": { "en-us": { "role": { "totalLabel": "TOTAL LIABILITIES", "label": "Liabilities", "documentation": "Sum of the carrying amounts as of the balance sheet date of all liabilities that are recognized. Liabilities are probable future sacrifices of economic benefits arising from present obligations of an entity to transfer assets or provide services to other entities in the future." } } }, "auth_ref": [ "r45", "r306", "r407", "r453", "r454", "r455", "r456", "r457", "r458", "r459", "r460", "r461", "r592", "r595", "r596", "r638", "r854", "r932", "r977", "r1170", "r1222", "r1223" ] }, "us-gaap_LiabilitiesAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "LiabilitiesAbstract", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/FairValueSummaryOfCarryingValuesAndEstimatedFairValuesOfFinancialInstrumentsDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Financial liabilities:", "label": "Liabilities [Abstract]" } } }, "auth_ref": [] }, "us-gaap_LiabilitiesAndStockholdersEquity": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "LiabilitiesAndStockholdersEquity", "crdr": "credit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedBalanceSheets": { "parentTag": null, "weight": null, "order": null, "root": true }, "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureParentCompanyOnlyFinancialStatementsSummaryOfCondensedFinancialStatementsOfParentHoldingCompanyDetail": { "parentTag": null, "weight": null, "order": null, "root": true } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedBalanceSheets", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureParentCompanyOnlyFinancialStatementsSummaryOfCondensedFinancialStatementsOfParentHoldingCompanyDetail" ], "lang": { "en-us": { "role": { "totalLabel": "TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY", "label": "Liabilities and Equity", "documentation": "Amount of liabilities and equity items, including the portion of equity attributable to noncontrolling interests, if any." } } }, "auth_ref": [ "r147", "r191", "r786", "r963", "r1118", "r1154", "r1214" ] }, "us-gaap_LiabilitiesAndStockholdersEquityAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "LiabilitiesAndStockholdersEquityAbstract", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedBalanceSheets", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureParentCompanyOnlyFinancialStatementsSummaryOfCondensedFinancialStatementsOfParentHoldingCompanyDetail" ], "lang": { "en-us": { "role": { "verboseLabel": "Liabilities and Stockholders' Equity", "label": "Liabilities and Equity [Abstract]" } } }, "auth_ref": [] }, "us-gaap_LifeSettlementContractsPolicy": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "LifeSettlementContractsPolicy", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/SummaryOfSignificantAccountingPoliciesPolicies" ], "lang": { "en-us": { "role": { "verboseLabel": "Cash value of life insurance", "label": "Life Settlement Contracts, Policy [Policy Text Block]", "documentation": "Disclosure of accounting policy for life settlement contracts including the classification of cash receipts and cash disbursements in the statement of cash flows." } } }, "auth_ref": [ "r408" ] }, "us-gaap_LineOfCredit": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "LineOfCredit", "crdr": "credit", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/FhlbAdvancesAndOtherBorrowingsAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "verboseLabel": "Federal funds rate line of credit", "label": "Long-Term Line of Credit", "totalLabel": "Long-Term Line of Credit, Total", "documentation": "The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement." } } }, "auth_ref": [ "r41", "r190", "r1237" ] }, "bcow_LineOfCreditAtFederalReserve": { "xbrltype": "monetaryItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "LineOfCreditAtFederalReserve", "crdr": "credit", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/FhlbAdvancesAndOtherBorrowingsAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "label": "Line Of Credit At Federal Reserve", "documentation": "Line Of Credit At Federal Reserve" } } }, "auth_ref": [] }, "us-gaap_LineOfCreditFacilityAxis": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "LineOfCreditFacilityAxis", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/FhlbAdvancesAndOtherBorrowingsAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "label": "Lender Name [Axis]", "documentation": "Information by name of lender, which may be a single entity (for example, but not limited to, a bank, pension fund, venture capital firm) or a group of entities that participate in the line of credit." } } }, "auth_ref": [ "r43", "r1117" ] }, "us-gaap_LineOfCreditFacilityExpirationDate1": { "xbrltype": "dateItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "LineOfCreditFacilityExpirationDate1", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/SummaryOfSignificantAccountingPoliciesAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "label": "Line of Credit Facility, Expiration Date", "terseLabel": "Final maturity date", "documentation": "Date the credit facility terminates, in YYYY-MM-DD format." } } }, "auth_ref": [ "r43" ] }, "us-gaap_LineOfCreditFacilityInterestRateDuringPeriod": { "xbrltype": "percentItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "LineOfCreditFacilityInterestRateDuringPeriod", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/SummaryOfSignificantAccountingPoliciesAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "label": "Line of Credit Facility, Interest Rate During Period", "terseLabel": "Interest rate", "documentation": "The effective interest rate during the reporting period." } } }, "auth_ref": [ "r43" ] }, "us-gaap_LineOfCreditFacilityLenderDomain": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "LineOfCreditFacilityLenderDomain", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/FhlbAdvancesAndOtherBorrowingsAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "label": "Line of Credit Facility, Lender [Domain]", "documentation": "Identification of the lender, which may be a single entity (for example, a bank, pension fund, venture capital firm) or a group of entities that participate in the line of credit, including a letter of credit facility." } } }, "auth_ref": [ "r43", "r1117" ] }, "bcow_LineOfCreditFacilityOneTimeCallDate": { "xbrltype": "dateItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "LineOfCreditFacilityOneTimeCallDate", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/SummaryOfSignificantAccountingPoliciesAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "documentation": "Line of credit facility one time call date", "label": "Line Of Credit Facility One Time Call Date", "terseLabel": "Line of credit facility one time call date" } } }, "auth_ref": [] }, "us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "LineOfCreditFacilityRemainingBorrowingCapacity", "crdr": "credit", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/FhlbAdvancesAndOtherBorrowingsAdditionalInformationDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/SummaryOfSignificantAccountingPoliciesAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Available Borrowing Capacity", "label": "Line of Credit Facility, Remaining Borrowing Capacity", "documentation": "Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding)." } } }, "auth_ref": [ "r43" ] }, "bcow_LoanChargeOffMember": { "xbrltype": "domainItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "LoanChargeOffMember", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureLoansSummaryOfGrossChargeoffsOfLoansForPortfolioClassByOriginationYearDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Loan Charge-offs [Member]", "label": "Loan Charge Off [Member]", "documentation": "Loan charge off." } } }, "auth_ref": [] }, "bcow_LoanCommitmentsAndAllowanceForCreditLossesOnOffBalanceSheetCreditExposuresPolicyTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "LoanCommitmentsAndAllowanceForCreditLossesOnOffBalanceSheetCreditExposuresPolicyTextBlock", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/SummaryOfSignificantAccountingPoliciesPolicies" ], "lang": { "en-us": { "role": { "documentation": "Loan commitments and allowance for credit losses on off balance sheet credit exposures.", "terseLabel": "Loan Commitments and Allowance for Credit Losses on Off-Balance Sheet Credit Exposures", "label": "Loan Commitments And Allowance For Credit Losses On Off Balance Sheet Credit Exposures [Policy Text Block]" } } }, "auth_ref": [] }, "us-gaap_LoanCommitmentsPolicy": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "LoanCommitmentsPolicy", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/SummaryOfSignificantAccountingPoliciesPolicies" ], "lang": { "en-us": { "role": { "verboseLabel": "Rate Lock Commitments", "label": "Loan Commitments, Policy [Policy Text Block]", "documentation": "Disclosure of accounting policy for loan commitments accounted for as derivatives, including the methods and assumptions used to estimate fair value and any associated hedging strategies." } } }, "auth_ref": [ "r40", "r181" ] }, "us-gaap_LoanOriginationCommitmentsMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "LoanOriginationCommitmentsMember", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureCommitmentsAndContingenciesSummaryOfContractAmountsOfCreditrelatedFinancialInstrumentsDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Commitments to Sell Loans [Member]", "label": "Loan Origination Commitments [Member]", "documentation": "Commitments to borrowers or third party investors for the origination of a loan." } } }, "auth_ref": [] }, "us-gaap_LoanProcessingFee": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "LoanProcessingFee", "crdr": "debit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfOperations": { "parentTag": "us-gaap_NoninterestExpense", "weight": 1.0, "order": 3.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfOperations" ], "lang": { "en-us": { "role": { "terseLabel": "Data processing", "label": "Loan Processing Fee", "documentation": "Expenses paid for obtaining loans which includes expenses such as application and origination fees." } } }, "auth_ref": [] }, "us-gaap_LoanRestructuringModificationAxis": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "LoanRestructuringModificationAxis", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/LoansAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "label": "Loan Restructuring Modification [Axis]", "documentation": "Information by concessions made to the terms of loan contracts." } } }, "auth_ref": [ "r366", "r367", "r369", "r934" ] }, "us-gaap_LoanRestructuringModificationDomain": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "LoanRestructuringModificationDomain", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/LoansAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "label": "Loan Restructuring Modification [Domain]", "documentation": "Concessions made to the terms of loan contracts, including but not limited to, interest rate reductions, maturity extensions, principal forgiveness, and payment deferral." } } }, "auth_ref": [ "r366", "r367", "r369", "r934" ] }, "bcow_LoanServicing": { "xbrltype": "monetaryItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "LoanServicing", "crdr": "credit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfOperations": { "parentTag": "us-gaap_NoninterestIncome", "weight": 1.0, "order": 1.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfOperations" ], "lang": { "en-us": { "role": { "terseLabel": "Loan servicing, net", "label": "Loan Servicing", "documentation": "Loan servicing." } } }, "auth_ref": [] }, "us-gaap_LoansAndLeasesReceivableAllowance": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "LoansAndLeasesReceivableAllowance", "crdr": "credit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedBalanceSheets": { "parentTag": "us-gaap_LoansAndLeasesReceivableNetReportedAmount", "weight": -1.0, "order": 1.0 }, "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/LoansSummaryOfMajorClassificationsOfLoansDetail": { "parentTag": "us-gaap_LoansAndLeasesReceivableNetReportedAmount", "weight": -1.0, "order": 2.0 }, "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/LoansSummaryOfAllowanceForLoanAndLeaseLossesForLoansEvaluatedIndividuallyAndCollectivelyForImpairmentDetail": { "parentTag": null, "weight": null, "order": null, "root": true }, "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureLoansSummaryOfAllowanceForLoanAndLeaseLossesForLoansEvaluatedIndividuallyAndCollectivelyForImpairmentDetails": { "parentTag": null, "weight": null, "order": null, "root": true } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedBalanceSheets", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureLoansSummaryOfActivityInAllowanceForLoanAndLeaseLossesDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureLoansSummaryOfAllowanceForLoanAndLeaseLossesForLoansEvaluatedIndividuallyAndCollectivelyForImpairmentDetails", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/LoansSummaryOfAllowanceForLoanAndLeaseLossesForLoansEvaluatedIndividuallyAndCollectivelyForImpairmentDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/LoansSummaryOfMajorClassificationsOfLoansDetail" ], "lang": { "en-us": { "role": { "negatedLabel": "Allowance for credit losses for loans", "terseLabel": "Allowance for credit losses for loans", "totalLabel": "Total allowance for loan losses", "periodStartLabel": "Beginning balance", "periodEndLabel": "Ending balance", "label": "Loans and Leases Receivable, Allowance", "documentation": "Amount of allowance to cover probable credit losses on loans and leases. Includes carryover of or adjustments to the allowance for loan losses in connection with business combinations. Excludes allowance for loans and leases covered under loss sharing agreements." } } }, "auth_ref": [ "r20", "r24", "r89", "r1070" ] }, "us-gaap_LoansAndLeasesReceivableAllowanceForLoanLossesPolicy": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "LoansAndLeasesReceivableAllowanceForLoanLossesPolicy", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/SummaryOfSignificantAccountingPoliciesPolicies" ], "lang": { "en-us": { "role": { "verboseLabel": "Allowance for Credit Losses", "label": "Loans and Leases Receivable, Allowance for Loan Losses Policy [Policy Text Block]", "documentation": "Disclosure of accounting policy for estimating the allowance for losses on loans and lease receivables. The disclosure may include (a) how the entity determines each element of the allowance, (b) which loans are evaluated individually and which loans are evaluated as a group, (c) how the entity determines both the allocated and unallocated portions of the allowance, (d) how the entity determines the loss factors applied to graded loans in order to develop a general allowance, and (e) what self-correcting mechanism the entity uses to reduce differences between estimated and actual losses." } } }, "auth_ref": [ "r87" ] }, "us-gaap_LoansAndLeasesReceivableDisclosureAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "LoansAndLeasesReceivableDisclosureAbstract", "lang": { "en-us": { "role": { "label": "Loans and Leases Receivable Disclosure [Abstract]" } } }, "auth_ref": [] }, "us-gaap_LoansAndLeasesReceivableDisclosureLineItems": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "LoansAndLeasesReceivableDisclosureLineItems", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureLoansScheduleOfComponentsOfProvisionForCreditLossesDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureLoansSummaryOfActivityInAllowanceForLoanAndLeaseLossesDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureLoansSummaryOfAllowanceForLoanAndLeaseLossesForLoansEvaluatedIndividuallyAndCollectivelyForImpairmentDetails", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureLoansSummaryOfCollateralDependentLoansAndRelatedAclDetails", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/LoansAdditionalInformationDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/LoansSummaryOfAllowanceForLoanAndLeaseLossesForLoansEvaluatedIndividuallyAndCollectivelyForImpairmentDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/LoansSummaryOfMajorClassificationsOfLoansDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Loans and Leases Receivable Disclosure [Line Items]", "label": "Loans and Leases Receivable Disclosure [Line Items]", "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table." } } }, "auth_ref": [] }, "us-gaap_LoansAndLeasesReceivableDisclosureTable": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "LoansAndLeasesReceivableDisclosureTable", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureLoansScheduleOfComponentsOfProvisionForCreditLossesDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureLoansSummaryOfActivityInAllowanceForLoanAndLeaseLossesDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureLoansSummaryOfAllowanceForLoanAndLeaseLossesForLoansEvaluatedIndividuallyAndCollectivelyForImpairmentDetails", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureLoansSummaryOfCollateralDependentLoansAndRelatedAclDetails", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/LoansSummaryOfAllowanceForLoanAndLeaseLossesForLoansEvaluatedIndividuallyAndCollectivelyForImpairmentDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Loans and Leases Receivable Disclosure [Table]", "label": "Loans and Leases Receivable Disclosure [Table]", "documentation": "Disclosure of information about loans and leases receivable." } } }, "auth_ref": [ "r161" ] }, "us-gaap_LoansAndLeasesReceivableGrossCarryingAmount": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "LoansAndLeasesReceivableGrossCarryingAmount", "crdr": "debit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/LoansSummaryOfMajorClassificationsOfLoansDetail": { "parentTag": "us-gaap_LoansAndLeasesReceivableNetReportedAmount", "weight": 1.0, "order": 0.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/LoansAdditionalInformationDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/LoansScheduleOfAnalysisOfPastDueLoansDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/LoansSummaryOfInformationRegardingTheCreditQualityIndicatorsForResidentialRealEstateAndConsumerLoansDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/LoansSummaryOfInternalRiskRatingsOfLoansDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/LoansSummaryOfMajorClassificationsOfLoansDetail" ], "lang": { "en-us": { "role": { "verboseLabel": "Loans and leases receivable gross carrying amount", "label": "Loans, gross", "terseLabel": "Additional Loans Receivable", "documentation": "Amount before allowance of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums and discounts from face amounts. Excludes loans and leases covered under loss sharing agreements." } } }, "auth_ref": [ "r161" ] }, "us-gaap_LoansAndLeasesReceivableLoansInProcess": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "LoansAndLeasesReceivableLoansInProcess", "crdr": "credit", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/LoansAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Forgiven Loans in process", "label": "Loans and Leases Receivable, Loans in Process", "documentation": "Amount of undisbursed portion of the loan receivable balance (loans in process). Excludes loans and leases covered under loss sharing agreements." } } }, "auth_ref": [] }, "us-gaap_LoansAndLeasesReceivableMortgageBankingActivitiesPolicy": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "LoansAndLeasesReceivableMortgageBankingActivitiesPolicy", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/SummaryOfSignificantAccountingPoliciesPolicies" ], "lang": { "en-us": { "role": { "verboseLabel": "Mortgage Servicing Rights", "label": "Mortgage Banking Activity [Policy Text Block]", "documentation": "Disclosure of accounting policy for the lending, securitization, sales, transfers and servicing practices for mortgage banking activities." } } }, "auth_ref": [ "r917" ] }, "us-gaap_LoansAndLeasesReceivableNetReportedAmount": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "LoansAndLeasesReceivableNetReportedAmount", "crdr": "debit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureParentCompanyOnlyFinancialStatementsSummaryOfCondensedFinancialStatementsOfParentHoldingCompanyDetail": { "parentTag": "us-gaap_Assets", "weight": 1.0, "order": 3.0 }, "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedBalanceSheets": { "parentTag": "us-gaap_Assets", "weight": 1.0, "order": 4.0 }, "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/LoansSummaryOfMajorClassificationsOfLoansDetail": { "parentTag": null, "weight": null, "order": null, "root": true } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedBalanceSheets", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureParentCompanyOnlyFinancialStatementsSummaryOfCondensedFinancialStatementsOfParentHoldingCompanyDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/FairValueSummaryOfCarryingValuesAndEstimatedFairValuesOfFinancialInstrumentsDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/LoansSummaryOfMajorClassificationsOfLoansDetail" ], "lang": { "en-us": { "role": { "totalLabel": "Total loans, net of deferred loan costs and allowance for credit losses", "terseLabel": "Loans, net", "verboseLabel": "Loans and leases receivable, net amount", "label": "Loans receivable-ESOP", "documentation": "Amount after allowance and deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements and loans held for sale." } } }, "auth_ref": [ "r135", "r161" ] }, "bcow_LoansAndLeasesReceivableRatioOfNonperformingLoansToAllAssets": { "xbrltype": "percentItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "LoansAndLeasesReceivableRatioOfNonperformingLoansToAllAssets", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureLoansSummaryOfInformationOnNonaccrualLoansDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Total nonaccrual loans to total assets", "verboseLabel": "Total non-accrual loans to total assets", "label": "Loans and Leases Receivable, Ratio of Nonperforming Loans to All Assets", "documentation": "Loans and leases receivable, ratio of nonperforming loans to all assets." } } }, "auth_ref": [] }, "us-gaap_LoansAndLeasesReceivableRatioOfNonperformingLoansToAllLoans": { "xbrltype": "percentItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "LoansAndLeasesReceivableRatioOfNonperformingLoansToAllLoans", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureLoansSummaryOfInformationOnNonaccrualLoansDetail" ], "lang": { "en-us": { "role": { "verboseLabel": "Total nonaccrual loans to total loans", "label": "Loans and Leases Receivable, Ratio of Nonperforming Loans to All Loans", "documentation": "Reflects the percentage derived from dividing impaired loans on which interest has ceased to be accrued by total loans." } } }, "auth_ref": [] }, "us-gaap_LoansAndLeasesReceivableRelatedParties": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "LoansAndLeasesReceivableRelatedParties", "crdr": "debit", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/RelatedPartyTransactionsSummaryOfLoansToDirectorsExecutiveOfficersAndAffiliatesDetail" ], "lang": { "en-us": { "role": { "periodStartLabel": "Beginning balance", "periodEndLabel": "Ending balance", "label": "Loans and Leases Receivable, Related Parties", "documentation": "For an unclassified balance sheet, reflects the carrying amount of unpaid loan amounts due from related parties at the balance sheet date." } } }, "auth_ref": [ "r124", "r134" ] }, "us-gaap_LoansAndLeasesReceivableRelatedPartiesAdditions": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "LoansAndLeasesReceivableRelatedPartiesAdditions", "crdr": "debit", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/RelatedPartyTransactionsSummaryOfLoansToDirectorsExecutiveOfficersAndAffiliatesDetail" ], "lang": { "en-us": { "role": { "terseLabel": "New loans", "label": "Loans and Leases Receivable, Related Parties, Additions", "documentation": "Reflects the amount of new advances made to related parties in the form of loan and lease receivables." } } }, "auth_ref": [ "r124", "r134" ] }, "us-gaap_LoansAndLeasesReceivableRelatedPartiesPeriodIncreaseDecrease": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "LoansAndLeasesReceivableRelatedPartiesPeriodIncreaseDecrease", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/RelatedPartyTransactionsSummaryOfLoansToDirectorsExecutiveOfficersAndAffiliatesDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Adjustments due to changes in directors, executive officers, and/or principal stockholders", "label": "Loans and Leases Receivable, Related Parties, Period Increase (Decrease)", "totalLabel": "Loans and Leases Receivable, Related Parties, Period Increase (Decrease), Total", "documentation": "Amount of increase (decrease) in loans and leases receivable due from related parties." } } }, "auth_ref": [ "r124", "r134" ] }, "us-gaap_LoansAndLeasesReceivableRelatedPartiesProceeds": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "LoansAndLeasesReceivableRelatedPartiesProceeds", "crdr": "debit", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/RelatedPartyTransactionsSummaryOfLoansToDirectorsExecutiveOfficersAndAffiliatesDetail" ], "lang": { "en-us": { "role": { "negatedLabel": "Repayments", "label": "Loans and Leases Receivable, Related Parties, Proceeds", "documentation": "Amount of cash inflow from related parties which reduce the amount of loans and leases receivable due from related parties." } } }, "auth_ref": [ "r242", "r1111" ] }, "bcow_LoansAndLeasesReceivablesLoansInForgivenAmount": { "xbrltype": "monetaryItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "LoansAndLeasesReceivablesLoansInForgivenAmount", "crdr": "debit", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/LoansAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Loans Forgiven Amount", "label": "Loans And Leases Receivables Loans In Forgiven Amount", "documentation": "Loans and leases receivables loans in forgiven amount." } } }, "auth_ref": [] }, "bcow_LoansNotesAndCertificatesAndLoanServicingRightsLineItems": { "xbrltype": "stringItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "LoansNotesAndCertificatesAndLoanServicingRightsLineItems", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/LoansScheduleOfAnalysisOfPastDueLoansDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Loans, Notes and Certificates, and Loan Servicing Rights [Line Items]", "label": "Loans, Notes and Certificates, and Loan Servicing Rights [Line Items]", "documentation": "Loans, Notes and Certificates, and Loan Servicing Rights [Line Items]" } } }, "auth_ref": [] }, "us-gaap_LoansNotesTradeAndOtherReceivablesDisclosureTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "LoansNotesTradeAndOtherReceivablesDisclosureTextBlock", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/Loans" ], "lang": { "en-us": { "role": { "terseLabel": "Loans", "label": "Loans, Notes, Trade and Other Receivables Disclosure [Text Block]", "documentation": "The entire disclosure for claims held for amounts due a entity, excluding financing receivables. Examples include, but are not limited to, trade accounts receivables, notes receivables, loans receivables. Includes disclosure for allowance for credit losses." } } }, "auth_ref": [ "r1130" ] }, "bcow_LoansPolicyTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "LoansPolicyTextBlock", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/SummaryOfSignificantAccountingPoliciesPolicies" ], "lang": { "en-us": { "role": { "terseLabel": "Loans", "label": "Loans [Policy Text Block]", "documentation": "Loans." } } }, "auth_ref": [] }, "us-gaap_LoansReceivableHeldForSaleAmount": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "LoansReceivableHeldForSaleAmount", "crdr": "debit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedBalanceSheets": { "parentTag": "us-gaap_Assets", "weight": 1.0, "order": 1.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedBalanceSheets" ], "lang": { "en-us": { "role": { "terseLabel": "Loans held for sale", "label": "Financing Receivable, Held-for-Sale", "documentation": "Amount, before valuation allowance, of financing receivable classified as held-for-sale." } } }, "auth_ref": [ "r358", "r916" ] }, "us-gaap_LoansReceivableHeldForSaleNetNotPartOfDisposalGroup": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "LoansReceivableHeldForSaleNetNotPartOfDisposalGroup", "crdr": "debit", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/FairValueSummaryOfCarryingValuesAndEstimatedFairValuesOfFinancialInstrumentsDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Loans held for sale", "label": "Financing Receivable, Held-for-Sale, Not Part of Disposal Group, after Valuation Allowance", "periodStartLabel": "Financing Receivable, Held-for-Sale, Not Part of Disposal Group, after Valuation Allowance, Beginning Balance", "periodEndLabel": "Financing Receivable, Held-for-Sale, Not Part of Disposal Group, after Valuation Allowance, Ending Balance", "documentation": "Amount, after valuation allowance, of financing receivable held for sale and not part of disposal group. Excludes loan covered under loss sharing agreement and loan classified as investment in debt security." } } }, "auth_ref": [ "r358", "r916" ] }, "dei_LocalPhoneNumber": { "xbrltype": "normalizedStringItemType", "nsuri": "http://xbrl.sec.gov/dei/2023", "localname": "LocalPhoneNumber", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/CoverPage" ], "lang": { "en-us": { "role": { "terseLabel": "Local Phone Number", "label": "Local Phone Number", "documentation": "Local phone number for entity." } } }, "auth_ref": [] }, "bcow_LossBeforeEquityInUndistributedEarningsOfBank": { "xbrltype": "monetaryItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "LossBeforeEquityInUndistributedEarningsOfBank", "crdr": "debit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureParentCompanyOnlyFinancialStatementsSummaryOfCondensedFinancialStatementsOfParentHoldingCompanyDetail4": { "parentTag": "us-gaap_NetIncomeLoss", "weight": -1.0, "order": 0.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureParentCompanyOnlyFinancialStatementsSummaryOfCondensedFinancialStatementsOfParentHoldingCompanyDetail" ], "lang": { "en-us": { "role": { "totalLabel": "Loss before equity in undistributed earnings of bank", "documentation": "Loss before equity in undistributed earnings of bank", "label": "Loss Before Equity In Undistributed Earnings Of Bank" } } }, "auth_ref": [] }, "us-gaap_LossContingenciesByNatureOfContingencyAxis": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "LossContingenciesByNatureOfContingencyAxis", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/CommitmentsAndContingenciesAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Loss Contingency Nature [Axis]", "label": "Loss Contingency Nature [Axis]", "documentation": "Information by type of existing condition, situation, or set of circumstances involving uncertainty as to possible loss to an enterprise that will ultimately be resolved when one or more future events occur or fail to occur." } } }, "auth_ref": [ "r447", "r448", "r449", "r452", "r1164", "r1165" ] }, "us-gaap_LossContingenciesLineItems": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "LossContingenciesLineItems", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/CommitmentsAndContingenciesAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Loss Contingencies [Line Items]", "label": "Loss Contingencies [Line Items]", "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table." } } }, "auth_ref": [ "r447", "r448", "r449", "r452", "r1164", "r1165" ] }, "us-gaap_LossContingenciesTable": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "LossContingenciesTable", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/CommitmentsAndContingenciesAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Loss Contingencies [Table]", "label": "Loss Contingencies [Table]", "documentation": "Discloses the specific components (such as the nature, name, and date) of the loss contingency and gives an estimate of the possible loss or range of loss, or states that a reasonable estimate cannot be made. Excludes environmental contingencies, warranties and unconditional purchase obligations." } } }, "auth_ref": [ "r447", "r448", "r449", "r452", "r1164", "r1165" ] }, "us-gaap_LossContingencyNatureDomain": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "LossContingencyNatureDomain", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/CommitmentsAndContingenciesAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Loss Contingency, Nature [Domain]", "label": "Loss Contingency, Nature [Domain]", "documentation": "An existing condition, situation, or set of circumstances involving uncertainty as to possible loss to an enterprise that will ultimately be resolved when one or more future events occur or fail to occur. Resolution of the uncertainty may confirm the incurrence of a loss or impairment of an asset or the incurrence of a liability." } } }, "auth_ref": [ "r447", "r448", "r449", "r452", "r1164", "r1165" ] }, "us-gaap_ManagingOfRisksInherentInServicingAssetsAndServicingLiabilitiesTable": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "ManagingOfRisksInherentInServicingAssetsAndServicingLiabilitiesTable", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/MortgageServicingRightsAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Schedule of Managing of Risks Inherent in Servicing Assets and Servicing Liabilities [Table]", "label": "Schedule of Managing of Risks Inherent in Servicing Assets and Servicing Liabilities [Table]", "documentation": "Summarization of information pertaining to the risks inherent in servicing assets and servicing liabilities and, if applicable, the instruments used to mitigate the income statement effect of changes in fair value of the servicing assets and servicing liabilities." } } }, "auth_ref": [ "r126" ] }, "us-gaap_MarketableSecurities": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "MarketableSecurities", "crdr": "debit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/FairValueSummaryOfAssetsMeasuredAtFairValueOnARecurringBasisDetail": { "parentTag": "us-gaap_AssetsFairValueDisclosure", "weight": 1.0, "order": 1.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/FairValueSummaryOfAssetsMeasuredAtFairValueOnARecurringBasisDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/FairValueSummaryOfCarryingValuesAndEstimatedFairValuesOfFinancialInstrumentsDetail" ], "lang": { "en-us": { "role": { "verboseLabel": "Marketable securities", "terseLabel": "Marketable equity securities", "label": "Marketable Securities", "totalLabel": "Marketable Securities, Total", "documentation": "Amount of investment in marketable security." } } }, "auth_ref": [ "r133", "r1103" ] }, "us-gaap_MarketableSecuritiesAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "MarketableSecuritiesAbstract", "lang": { "en-us": { "role": { "label": "Marketable Securities [Abstract]" } } }, "auth_ref": [] }, "us-gaap_MarketableSecuritiesLineItems": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "MarketableSecuritiesLineItems", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/AvailableForSaleSecuritiesSummaryOfAmortizedCostsAndFairValueOfSecuritiesAvailableForSaleDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Marketable Securities [Line Items]", "label": "Marketable Securities [Line Items]", "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table." } } }, "auth_ref": [] }, "us-gaap_MarketableSecuritiesPolicy": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "MarketableSecuritiesPolicy", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/SummaryOfSignificantAccountingPoliciesPolicies" ], "lang": { "en-us": { "role": { "verboseLabel": "Available for Sale Securities", "label": "Marketable Securities, Policy [Policy Text Block]", "documentation": "Disclosure of accounting policy for investment classified as marketable security." } } }, "auth_ref": [ "r137" ] }, "us-gaap_MarketableSecuritiesTable": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "MarketableSecuritiesTable", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/AvailableForSaleSecuritiesSummaryOfAmortizedCostsAndFairValueOfSecuritiesAvailableForSaleDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Marketable Securities [Table]", "label": "Marketable Securities [Table]", "documentation": "Disclosure of information about investment in marketable security." } } }, "auth_ref": [] }, "us-gaap_MarketableSecuritiesTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "MarketableSecuritiesTextBlock", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/AvailableForSaleSecuritiesTables" ], "lang": { "en-us": { "role": { "terseLabel": "Summary of Amortized Costs and Fair Value of Securities Available for Sale", "label": "Marketable Securities [Table Text Block]", "documentation": "Tabular disclosure of marketable securities. This may consist of investments in certain debt and equity securities, short-term investments and other assets." } } }, "auth_ref": [] }, "us-gaap_MarketableSecuritiesUnrealizedGainLoss": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "MarketableSecuritiesUnrealizedGainLoss", "crdr": "credit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfOperations": { "parentTag": "us-gaap_NoninterestIncome", "weight": 1.0, "order": 6.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfOperations", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/SummaryOfSignificantAccountingPoliciesAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "verboseLabel": "Unrealized gain (loss) on marketable equity securities", "label": "Unrealized gain (loss) on marketable equity securities", "terseLabel": "Unrealized Gain (Loss) Marketable Securities", "documentation": "Amount of unrealized gain (loss) on investment in marketable security." } } }, "auth_ref": [ "r152" ] }, "us-gaap_MarketingAndAdvertisingExpense": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "MarketingAndAdvertisingExpense", "crdr": "debit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfOperations": { "parentTag": "us-gaap_NoninterestExpense", "weight": 1.0, "order": 2.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfOperations" ], "lang": { "en-us": { "role": { "terseLabel": "Advertising and promotions", "label": "Marketing and Advertising Expense", "totalLabel": "Marketing and Advertising Expense, Total", "documentation": "The total expense recognized in the period for promotion, public relations, and brand or product advertising." } } }, "auth_ref": [ "r154" ] }, "bcow_MatureWithinOneMonthMember": { "xbrltype": "domainItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "MatureWithinOneMonthMember", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/SummaryOfSignificantAccountingPoliciesAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "documentation": "Mature Within One Month [Member]", "label": "Mature Within One Month [Member]", "terseLabel": "Mature Within One Month" } } }, "auth_ref": [] }, "bcow_MaximumLoanBorrowed": { "xbrltype": "monetaryItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "MaximumLoanBorrowed", "crdr": "credit", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/LoansAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Maximum Loan Borrowed", "label": "Maximum Loan Borrowed", "documentation": "Maximum loan borrowed." } } }, "auth_ref": [] }, "srt_MaximumMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/srt/2023", "localname": "MaximumMember", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/FairValueScheduleOfQuantitativeInformationAboutNonrecurringLevel3FairValueMeasurementsDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/IncomeTaxesAdditionalInformationDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/MortgageServicingRightsAdditionalInformationDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/NatureOfOperationsAndBasisOfPresentationAdditionalInformationDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/SummaryOfSignificantAccountingPoliciesAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Maximum [Member]", "label": "Maximum [Member]", "documentation": "Upper limit of the provided range." } } }, "auth_ref": [ "r448", "r449", "r450", "r451", "r516", "r737", "r805", "r845", "r846", "r906", "r907", "r908", "r909", "r910", "r920", "r921", "r934", "r951", "r956", "r966", "r1174", "r1224", "r1225", "r1226", "r1227", "r1228", "r1229" ] }, "ecd_MeasureAxis": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/ecd/2023", "localname": "MeasureAxis", "presentation": [ "http://xbrl.sec.gov/ecd/role/PvpDisclosure" ], "lang": { "en-us": { "role": { "label": "Measure [Axis]", "terseLabel": "Measure:" } } }, "auth_ref": [ "r1024" ] }, "ecd_MeasureName": { "xbrltype": "normalizedStringItemType", "nsuri": "http://xbrl.sec.gov/ecd/2023", "localname": "MeasureName", "presentation": [ "http://xbrl.sec.gov/ecd/role/PvpDisclosure" ], "lang": { "en-us": { "role": { "label": "Measure Name", "terseLabel": "Name" } } }, "auth_ref": [ "r1024" ] }, "us-gaap_MeasurementInputDiscountRateMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "MeasurementInputDiscountRateMember", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/FairValueScheduleOfQuantitativeInformationAboutNonrecurringLevel3FairValueMeasurementsDetail" ], "lang": { "en-us": { "role": { "label": "Measurement Input, Discount Rate [Member]", "documentation": "Measurement input using interest rate to determine present value of future cash flows." } } }, "auth_ref": [ "r1213" ] }, "us-gaap_MeasurementInputPrepaymentRateMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "MeasurementInputPrepaymentRateMember", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/FairValueScheduleOfQuantitativeInformationAboutNonrecurringLevel3FairValueMeasurementsDetail" ], "lang": { "en-us": { "role": { "label": "Measurement Input, Prepayment Rate [Member]", "documentation": "Measurement input using principal prepayment at other than constant rate as proportion of outstanding loan principal." } } }, "auth_ref": [ "r1213" ] }, "us-gaap_MeasurementInputTypeAxis": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "MeasurementInputTypeAxis", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/FairValueScheduleOfQuantitativeInformationAboutNonrecurringLevel3FairValueMeasurementsDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Measurement Input Type [Axis]", "label": "Measurement Input Type [Axis]", "documentation": "Information by type of measurement input used to determine value of asset and liability." } } }, "auth_ref": [ "r626" ] }, "us-gaap_MeasurementInputTypeDomain": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "MeasurementInputTypeDomain", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/FairValueScheduleOfQuantitativeInformationAboutNonrecurringLevel3FairValueMeasurementsDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Measurement Input Type [Domain]", "label": "Measurement Input Type [Domain]", "documentation": "Measurement input used to determine value of asset and liability." } } }, "auth_ref": [] }, "srt_MinimumMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/srt/2023", "localname": "MinimumMember", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/FairValueScheduleOfQuantitativeInformationAboutNonrecurringLevel3FairValueMeasurementsDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/IncomeTaxesAdditionalInformationDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/MortgageServicingRightsAdditionalInformationDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/NatureOfOperationsAndBasisOfPresentationAdditionalInformationDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/SummaryOfSignificantAccountingPoliciesAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Minimum [Member]", "label": "Minimum [Member]", "documentation": "Lower limit of the provided range." } } }, "auth_ref": [ "r448", "r449", "r450", "r451", "r516", "r737", "r805", "r845", "r846", "r906", "r907", "r908", "r909", "r910", "r920", "r921", "r934", "r951", "r956", "r966", "r1174", "r1224", "r1225", "r1226", "r1227", "r1228", "r1229" ] }, "ecd_MnpiDiscTimedForCompValFlag": { "xbrltype": "booleanItemType", "nsuri": "http://xbrl.sec.gov/ecd/2023", "localname": "MnpiDiscTimedForCompValFlag", "presentation": [ "http://xbrl.sec.gov/ecd/role/AwardTimingDisclosure" ], "lang": { "en-us": { "role": { "label": "MNPI Disclosure Timed for Compensation Value [Flag]", "terseLabel": "MNPI Disclosure Timed for Compensation Value" } } }, "auth_ref": [ "r1044" ] }, "us-gaap_MortgageBackedSecuritiesIssuedByUSGovernmentSponsoredEnterprisesMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "MortgageBackedSecuritiesIssuedByUSGovernmentSponsoredEnterprisesMember", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/AvailableForSaleSecuritiesSummaryOfAmortizedCostsAndFairValuesOfSecuritiesAvailableForSaleByContractualMaturityDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/AvailableForSaleSecuritiesSummaryOfGrossUnrealizedLossesOnSecuritiesAvailableForSaleAndFairValuesDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureAvailableForSaleSecuritiesSummaryOfNumberOfDebtSecuritiesInAnUnrealizedLossPositionAndTheAggregateDepreciationDetails", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/FairValueSummaryOfAssetsMeasuredAtFairValueOnARecurringBasisDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Government-sponsored Mortgage-backed securities [Member]", "label": "Mortgage-Backed Securities, Issued by US Government Sponsored Enterprises [Member]", "documentation": "Debt securities collateralized by real estate mortgage loans (mortgages), issued by US Government Sponsored Enterprises, such as Federal Home Loan Mortgage Corporation (FHLMC or Freddie Mac)." } } }, "auth_ref": [ "r1142", "r1147", "r1148", "r1177" ] }, "us-gaap_MortgageLoansInProcessOfForeclosureAmount": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "MortgageLoansInProcessOfForeclosureAmount", "crdr": "debit", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/SummaryOfSignificantAccountingPoliciesAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Loans in process of foreclosure", "label": "Mortgage Loans in Process of Foreclosure, Amount", "documentation": "Recorded investment of consumer mortgage loan receivables secured by residential real estate properties for which formal foreclosure proceedings are in process." } } }, "auth_ref": [ "r36" ] }, "bcow_MortgagePartnershipFinanceProgramMember": { "xbrltype": "domainItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "MortgagePartnershipFinanceProgramMember", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/CommitmentsAndContingenciesAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Mortgage Partnership Finance Program [Member]", "label": "Mortgage Partnership Finance Program [Member]", "documentation": "Mortgage partnership finance program." } } }, "auth_ref": [] }, "bcow_MortgageServicingRightsNet": { "xbrltype": "monetaryItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "MortgageServicingRightsNet", "crdr": "debit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedBalanceSheets": { "parentTag": "us-gaap_Assets", "weight": 1.0, "order": 8.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedBalanceSheets" ], "lang": { "en-us": { "role": { "terseLabel": "Mortgage servicing rights, net", "label": "Mortgage Servicing Rights Net", "documentation": "Mortgage servicing rights, net." } } }, "auth_ref": [] }, "ecd_MtrlTermsOfTrdArrTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://xbrl.sec.gov/ecd/2023", "localname": "MtrlTermsOfTrdArrTextBlock", "presentation": [ "http://xbrl.sec.gov/ecd/role/InsiderTradingArrangements" ], "lang": { "en-us": { "role": { "label": "Material Terms of Trading Arrangement [Text Block]", "terseLabel": "Material Terms of Trading Arrangement" } } }, "auth_ref": [ "r1052" ] }, "ecd_NamedExecutiveOfficersFnTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://xbrl.sec.gov/ecd/2023", "localname": "NamedExecutiveOfficersFnTextBlock", "presentation": [ "http://xbrl.sec.gov/ecd/role/PvpDisclosure" ], "lang": { "en-us": { "role": { "label": "Named Executive Officers, Footnote [Text Block]", "terseLabel": "Named Executive Officers, Footnote" } } }, "auth_ref": [ "r1025" ] }, "bcow_NatureOfOperationsAbstract": { "xbrltype": "stringItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "NatureOfOperationsAbstract", "lang": { "en-us": { "role": { "label": "Nature Of Operations [Abstract]", "documentation": "Nature Of Operations [Abstract]" } } }, "auth_ref": [] }, "bcow_NetAmortizationFromInvestmentSecurities": { "xbrltype": "monetaryItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "NetAmortizationFromInvestmentSecurities", "crdr": "debit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfCashFlows": { "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": 1.0, "order": 8.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfCashFlows" ], "lang": { "en-us": { "role": { "verboseLabel": "Net amortization of investment securities", "label": "Net Amortization From Investment Securities", "documentation": "Net amortization from investment securities." } } }, "auth_ref": [] }, "us-gaap_NetCashProvidedByUsedInFinancingActivities": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "NetCashProvidedByUsedInFinancingActivities", "crdr": "debit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfCashFlows": { "parentTag": "us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect", "weight": 1.0, "order": 0.0 }, "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureParentCompanyOnlyFinancialStatementsSummaryOfCondensedFinancialStatementsOfParentHoldingCompanyDetail3": { "parentTag": "us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect", "weight": 1.0, "order": 2.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfCashFlows", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureParentCompanyOnlyFinancialStatementsSummaryOfCondensedFinancialStatementsOfParentHoldingCompanyDetail" ], "lang": { "en-us": { "role": { "totalLabel": "Net cash (used in) provided by financing activities", "label": "Net Cash Provided by (Used in) Financing Activities", "documentation": "Amount of cash inflow (outflow) from financing activities, including discontinued operations. Financing activity cash flows include obtaining resources from owners and providing them with a return on, and a return of, their investment; borrowing money and repaying amounts borrowed, or settling the obligation; and obtaining and paying for other resources obtained from creditors on long-term credit." } } }, "auth_ref": [ "r301" ] }, "us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "NetCashProvidedByUsedInFinancingActivitiesAbstract", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfCashFlows", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureParentCompanyOnlyFinancialStatementsSummaryOfCondensedFinancialStatementsOfParentHoldingCompanyDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Cash flows from financing activities", "label": "Net Cash Provided by (Used in) Financing Activities [Abstract]" } } }, "auth_ref": [] }, "us-gaap_NetCashProvidedByUsedInInvestingActivities": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "NetCashProvidedByUsedInInvestingActivities", "crdr": "debit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureParentCompanyOnlyFinancialStatementsSummaryOfCondensedFinancialStatementsOfParentHoldingCompanyDetail3": { "parentTag": "us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect", "weight": 1.0, "order": 1.0 }, "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfCashFlows": { "parentTag": "us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect", "weight": 1.0, "order": 1.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfCashFlows", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureParentCompanyOnlyFinancialStatementsSummaryOfCondensedFinancialStatementsOfParentHoldingCompanyDetail" ], "lang": { "en-us": { "role": { "totalLabel": "Net cash (used in) provided by investing activities", "label": "Net Cash Provided by (Used in) Investing Activities", "documentation": "Amount of cash inflow (outflow) from investing activities, including discontinued operations. Investing activity cash flows include making and collecting loans and acquiring and disposing of debt or equity instruments and property, plant, and equipment and other productive assets." } } }, "auth_ref": [ "r301" ] }, "us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "NetCashProvidedByUsedInInvestingActivitiesAbstract", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfCashFlows", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureParentCompanyOnlyFinancialStatementsSummaryOfCondensedFinancialStatementsOfParentHoldingCompanyDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Cash Flows From Investing Activities", "label": "Net Cash Provided by (Used in) Investing Activities [Abstract]" } } }, "auth_ref": [] }, "us-gaap_NetCashProvidedByUsedInOperatingActivities": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "NetCashProvidedByUsedInOperatingActivities", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureParentCompanyOnlyFinancialStatementsSummaryOfCondensedFinancialStatementsOfParentHoldingCompanyDetail3": { "parentTag": "us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect", "weight": 1.0, "order": 0.0 }, "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfCashFlows": { "parentTag": "us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect", "weight": 1.0, "order": 2.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfCashFlows", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureParentCompanyOnlyFinancialStatementsSummaryOfCondensedFinancialStatementsOfParentHoldingCompanyDetail" ], "lang": { "en-us": { "role": { "totalLabel": "Net cash (used in) provided by operating activities", "label": "Net Cash Provided by (Used in) Operating Activities", "documentation": "Amount of cash inflow (outflow) from operating activities, including discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities." } } }, "auth_ref": [ "r155", "r156", "r157" ] }, "us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "NetCashProvidedByUsedInOperatingActivitiesAbstract", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfCashFlows", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureParentCompanyOnlyFinancialStatementsSummaryOfCondensedFinancialStatementsOfParentHoldingCompanyDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Cash flows from operating activities:", "label": "Net Cash Provided by (Used in) Operating Activities [Abstract]" } } }, "auth_ref": [] }, "us-gaap_NetIncomeLoss": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "NetIncomeLoss", "crdr": "credit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/StatementConsolidatedStatementsOfComprehensiveLoss": { "parentTag": "us-gaap_ComprehensiveIncomeNetOfTax", "weight": 1.0, "order": 1.0 }, "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfOperations": { "parentTag": null, "weight": null, "order": null, "root": true }, "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureParentCompanyOnlyFinancialStatementsSummaryOfCondensedFinancialStatementsOfParentHoldingCompanyDetail4": { "parentTag": null, "weight": null, "order": null, "root": true } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfChangesInStockholdersEquity", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfOperations", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureEarningsLossPerShareEpsEarningsPerCommonShareDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureParentCompanyOnlyFinancialStatementsSummaryOfCondensedFinancialStatementsOfParentHoldingCompanyDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/StatementConsolidatedStatementsOfComprehensiveLoss", "http://xbrl.sec.gov/ecd/role/PvpDisclosure" ], "lang": { "en-us": { "role": { "label": "Net Income (Loss)", "terseLabel": "Net Income (Loss)", "totalLabel": "Net loss", "verboseLabel": "Net loss", "documentation": "The portion of profit or loss for the period, net of income taxes, which is attributable to the parent." } } }, "auth_ref": [ "r151", "r157", "r195", "r268", "r283", "r286", "r291", "r306", "r318", "r322", "r323", "r325", "r326", "r330", "r331", "r338", "r349", "r352", "r354", "r356", "r407", "r453", "r454", "r455", "r456", "r457", "r458", "r459", "r460", "r461", "r621", "r638", "r792", "r876", "r898", "r899", "r933", "r975", "r1170" ] }, "us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleLineItems": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "NewAccountingPronouncementsOrChangeInAccountingPrincipleLineItems", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/SummaryOfSignificantAccountingPoliciesAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "label": "New Accounting Pronouncements or Change in Accounting Principle [Line Items]", "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table." } } }, "auth_ref": [ "r262", "r263", "r264", "r265", "r266", "r316", "r318", "r319", "r320", "r321", "r325", "r332", "r345", "r370", "r371", "r411", "r412", "r413", "r414", "r415", "r416", "r417", "r418", "r419", "r420", "r444", "r553", "r554", "r555", "r573", "r574", "r575", "r576", "r587", "r588", "r589", "r599", "r600", "r601", "r602", "r603", "r604", "r605", "r606", "r607", "r608", "r609", "r611", "r612", "r613", "r614", "r615", "r616", "r617", "r618", "r619", "r620", "r621", "r622", "r633", "r634", "r640", "r641", "r642", "r643", "r652", "r653", "r657", "r658", "r659", "r660", "r672", "r673", "r674", "r675", "r676", "r740", "r741", "r742", "r806", "r807", "r808", "r809", "r810", "r811", "r812", "r813", "r814", "r815", "r816", "r817", "r818" ] }, "us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "NewAccountingPronouncementsPolicyPolicyTextBlock", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/SummaryOfSignificantAccountingPoliciesPolicies" ], "lang": { "en-us": { "role": { "verboseLabel": "Recent Accounting Pronouncements", "label": "New Accounting Pronouncements, Policy [Policy Text Block]", "documentation": "Disclosure of accounting policy pertaining to new accounting pronouncements that may impact the entity's financial reporting. Includes, but is not limited to, quantification of the expected or actual impact." } } }, "auth_ref": [] }, "ecd_NonGaapMeasureDescriptionTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://xbrl.sec.gov/ecd/2023", "localname": "NonGaapMeasureDescriptionTextBlock", "presentation": [ "http://xbrl.sec.gov/ecd/role/PvpDisclosure" ], "lang": { "en-us": { "role": { "label": "Non-GAAP Measure Description [Text Block]", "terseLabel": "Non-GAAP Measure Description" } } }, "auth_ref": [ "r1024" ] }, "ecd_NonNeosMember": { "xbrltype": "domainItemType", "nsuri": "http://xbrl.sec.gov/ecd/2023", "localname": "NonNeosMember", "presentation": [ "http://xbrl.sec.gov/ecd/role/ErrCompDisclosure" ], "lang": { "en-us": { "role": { "label": "Non-NEOs [Member]", "terseLabel": "Non-NEOs" } } }, "auth_ref": [ "r993", "r1005", "r1015", "r1032", "r1041" ] }, "ecd_NonPeoNeoAvgCompActuallyPaidAmt": { "xbrltype": "monetaryItemType", "nsuri": "http://xbrl.sec.gov/ecd/2023", "localname": "NonPeoNeoAvgCompActuallyPaidAmt", "presentation": [ "http://xbrl.sec.gov/ecd/role/PvpDisclosure" ], "lang": { "en-us": { "role": { "label": "Non-PEO NEO Average Compensation Actually Paid Amount", "terseLabel": "Non-PEO NEO Average Compensation Actually Paid Amount" } } }, "auth_ref": [ "r1022" ] }, "ecd_NonPeoNeoAvgTotalCompAmt": { "xbrltype": "monetaryItemType", "nsuri": "http://xbrl.sec.gov/ecd/2023", "localname": "NonPeoNeoAvgTotalCompAmt", "presentation": [ "http://xbrl.sec.gov/ecd/role/PvpDisclosure" ], "lang": { "en-us": { "role": { "label": "Non-PEO NEO Average Total Compensation Amount", "terseLabel": "Non-PEO NEO Average Total Compensation Amount" } } }, "auth_ref": [ "r1021" ] }, "ecd_NonPeoNeoMember": { "xbrltype": "domainItemType", "nsuri": "http://xbrl.sec.gov/ecd/2023", "localname": "NonPeoNeoMember", "presentation": [ "http://xbrl.sec.gov/ecd/role/PvpDisclosure" ], "lang": { "en-us": { "role": { "label": "Non-PEO NEO [Member]", "terseLabel": "Non-PEO NEO" } } }, "auth_ref": [ "r1032" ] }, "bcow_NonPerformingLoansLineItems": { "xbrltype": "stringItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "NonPerformingLoansLineItems", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureLoansSummaryOfInformationOnNonaccrualLoansDetail" ], "lang": { "en-us": { "role": { "documentation": "Non Performing Loans [Line Items]", "label": "Non Performing Loans [Line Items]", "terseLabel": "Non Performing Loans [Line Items]" } } }, "auth_ref": [] }, "ecd_NonRule10b51ArrAdoptedFlag": { "xbrltype": "booleanItemType", "nsuri": "http://xbrl.sec.gov/ecd/2023", "localname": "NonRule10b51ArrAdoptedFlag", "presentation": [ "http://xbrl.sec.gov/ecd/role/InsiderTradingArrangements" ], "lang": { "en-us": { "role": { "label": "Non-Rule 10b5-1 Arrangement Adopted [Flag]", "terseLabel": "Non-Rule 10b5-1 Arrangement Adopted" } } }, "auth_ref": [ "r1052" ] }, "ecd_NonRule10b51ArrTrmntdFlag": { "xbrltype": "booleanItemType", "nsuri": "http://xbrl.sec.gov/ecd/2023", "localname": "NonRule10b51ArrTrmntdFlag", "presentation": [ "http://xbrl.sec.gov/ecd/role/InsiderTradingArrangements" ], "lang": { "en-us": { "role": { "label": "Non-Rule 10b5-1 Arrangement Terminated [Flag]", "terseLabel": "Non-Rule 10b5-1 Arrangement Terminated" } } }, "auth_ref": [ "r1052" ] }, "bcow_NonaccrualFinancingReceivableMember": { "xbrltype": "domainItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "NonaccrualFinancingReceivableMember", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureLoansSummaryOfAmortizedCostBasisOfLoansByCreditQualityIndicatorAndOriginationYearDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Nonaccrual [Member]", "label": "Nonaccrual Financing Receivable [Member]", "documentation": "Nonaccrual financing receivable." } } }, "auth_ref": [] }, "us-gaap_NoncashInvestingAndFinancingItemsAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "NoncashInvestingAndFinancingItemsAbstract", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfCashFlows" ], "lang": { "en-us": { "role": { "label": "Noncash Investing and Financing Items [Abstract]", "terseLabel": "Noncash activities:" } } }, "auth_ref": [] }, "us-gaap_NoninterestBearingDepositLiabilities": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "NoninterestBearingDepositLiabilities", "crdr": "credit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DepositsCompositionOfDepositsDetail": { "parentTag": "us-gaap_Deposits", "weight": 1.0, "order": 0.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DepositsCompositionOfDepositsDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Non-interest bearing checking", "label": "Noninterest-Bearing Deposit Liabilities", "totalLabel": "Noninterest-Bearing Deposit Liabilities, Total", "documentation": "The aggregate amount of all domestic and foreign noninterest-bearing deposits liabilities held by the entity." } } }, "auth_ref": [ "r129" ] }, "us-gaap_NoninterestExpense": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "NoninterestExpense", "crdr": "debit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureParentCompanyOnlyFinancialStatementsSummaryOfCondensedFinancialStatementsOfParentHoldingCompanyDetail4": { "parentTag": "us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest", "weight": -1.0, "order": 1.0 }, "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfOperations": { "parentTag": "us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest", "weight": -1.0, "order": 2.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfOperations", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureParentCompanyOnlyFinancialStatementsSummaryOfCondensedFinancialStatementsOfParentHoldingCompanyDetail" ], "lang": { "en-us": { "role": { "totalLabel": "Total noninterest expense", "label": "Noninterest Expense", "terseLabel": "Noninterest expense", "documentation": "Total aggregate amount of all noninterest expense." } } }, "auth_ref": [ "r204" ] }, "us-gaap_NoninterestExpenseAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "NoninterestExpenseAbstract", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfOperations" ], "lang": { "en-us": { "role": { "terseLabel": "Noninterest expense:", "label": "Noninterest Expense [Abstract]" } } }, "auth_ref": [] }, "bcow_NoninterestExpenseUnrealizedGainLossOnMarketableEquitySecurities": { "xbrltype": "monetaryItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "NoninterestExpenseUnrealizedGainLossOnMarketableEquitySecurities", "crdr": "debit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfOperations": { "parentTag": "us-gaap_NoninterestExpense", "weight": 1.0, "order": 1.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfOperations" ], "lang": { "en-us": { "role": { "terseLabel": "Unrealized gain (loss) on marketable equity securities", "label": "Noninterest Expense Unrealized Gain Loss on Marketable Equity Securities", "documentation": "Noninterest expense unrealized gain loss on marketable equity securities." } } }, "auth_ref": [] }, "us-gaap_NoninterestIncome": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "NoninterestIncome", "crdr": "credit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureParentCompanyOnlyFinancialStatementsSummaryOfCondensedFinancialStatementsOfParentHoldingCompanyDetail4": { "parentTag": "us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest", "weight": 1.0, "order": 0.0 }, "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfOperations": { "parentTag": "us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest", "weight": 1.0, "order": 1.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfOperations", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureParentCompanyOnlyFinancialStatementsSummaryOfCondensedFinancialStatementsOfParentHoldingCompanyDetail" ], "lang": { "en-us": { "role": { "totalLabel": "Total noninterest income", "label": "Noninterest Income", "terseLabel": "Noninterest income", "documentation": "The total amount of noninterest income which may be derived from: (1) fees and commissions; (2) premiums earned; (3) insurance policy charges; (4) the sale or disposal of assets; and (5) other sources not otherwise specified." } } }, "auth_ref": [ "r202" ] }, "us-gaap_NoninterestIncomeAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "NoninterestIncomeAbstract", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfOperations" ], "lang": { "en-us": { "role": { "terseLabel": "Noninterest income:", "label": "Noninterest Income [Abstract]" } } }, "auth_ref": [] }, "us-gaap_NoninterestIncomeOtherOperatingIncome": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "NoninterestIncomeOtherOperatingIncome", "crdr": "credit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfOperations": { "parentTag": "us-gaap_NoninterestIncome", "weight": 1.0, "order": 5.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfOperations" ], "lang": { "en-us": { "role": { "terseLabel": "Other", "label": "Noninterest Income, Other Operating Income", "documentation": "Amount of revenue earned, classified as other, excluding interest income." } } }, "auth_ref": [ "r149", "r193" ] }, "us-gaap_NonperformingFinancingReceivableMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "NonperformingFinancingReceivableMember", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/LoansSummaryOfInformationRegardingTheCreditQualityIndicatorsForResidentialRealEstateAndConsumerLoansDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Non Performing [Member]", "label": "Nonperforming Financial Instruments [Member]", "documentation": "Category status of financial instruments in which payments are past due in accordance with the terms of the contract. Financial instruments include, but are not limited to, financing receivables, loans, debt, and investments." } } }, "auth_ref": [ "r83", "r1160" ] }, "us-gaap_NotesReceivableGross": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "NotesReceivableGross", "crdr": "debit", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/LoansScheduleOfAnalysisOfPastDueLoansDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Past Due / Current Loans", "label": "Financing Receivable, before Allowance for Credit Loss", "totalLabel": "Financing Receivable, before Allowance for Credit Loss, Total", "documentation": "Amortized cost, before allowance for credit loss, of financing receivable. Excludes financing receivable covered under loss sharing agreement and net investment in lease." } } }, "auth_ref": [ "r236", "r249", "r250", "r278", "r425", "r432", "r943", "r944", "r1078", "r1157" ] }, "us-gaap_NotesReceivableNet": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "NotesReceivableNet", "crdr": "debit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/LoansSummaryOfAllowanceForLoanAndLeaseLossesForLoansEvaluatedIndividuallyAndCollectivelyForImpairmentDetail": { "parentTag": null, "weight": null, "order": null, "root": true }, "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureLoansSummaryOfAllowanceForLoanAndLeaseLossesForLoansEvaluatedIndividuallyAndCollectivelyForImpairmentDetails": { "parentTag": null, "weight": null, "order": null, "root": true } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureLoansSummaryOfAllowanceForLoanAndLeaseLossesForLoansEvaluatedIndividuallyAndCollectivelyForImpairmentDetails", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/FhlbAdvancesAndOtherBorrowingsAdditionalInformationDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/LoansSummaryOfAllowanceForLoanAndLeaseLossesForLoansEvaluatedIndividuallyAndCollectivelyForImpairmentDetail" ], "lang": { "en-us": { "role": { "totalLabel": "Total loans", "label": "Financing Receivable, after Allowance for Credit Loss", "terseLabel": "Qualifying loans pledged as collateral", "documentation": "Amortized cost, after allowance for credit loss, of financing receivable. Excludes financing receivable covered under loss sharing agreement and net investment in lease." } } }, "auth_ref": [ "r358", "r432", "r863" ] }, "bcow_NumberOfAdditionalSharesContributedToEmployeeStockOwnershipPlan": { "xbrltype": "sharesItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "NumberOfAdditionalSharesContributedToEmployeeStockOwnershipPlan", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/EmployeeStockOwnershipPlanAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "documentation": "Number of additional shares contributed to employee stock ownership plan.", "label": "Number of Additional Shares Contributed To Employee Stock Ownership Plan", "terseLabel": "ESOP additional shares purchased" } } }, "auth_ref": [] }, "bcow_NumberOfSharesToBeContributedToTheEmployeeStockOwnershipPlan": { "xbrltype": "sharesItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "NumberOfSharesToBeContributedToTheEmployeeStockOwnershipPlan", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/EmployeeStockOwnershipPlanAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Number of shares to be contributed to the employee stock owership plan", "label": "Number Of Shares To Be Contributed To The Employee Stock Ownership Plan", "documentation": "Number Of Shares To Be Contributed To The Employee Stock Ownership Plan." } } }, "auth_ref": [] }, "bcow_ObligationsOfStatesAndPoliticalSubdivisionsMember": { "xbrltype": "domainItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "ObligationsOfStatesAndPoliticalSubdivisionsMember", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/AvailableForSaleSecuritiesSummaryOfAmortizedCostsAndFairValueOfSecuritiesAvailableForSaleDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Obligations of states and political subdivisions [Member]", "label": "Obligations of States and Political Subdivisions [Member]", "documentation": "Obligations of states and political subdivisions." } } }, "auth_ref": [] }, "us-gaap_OffBalanceSheetCreditExposurePolicyPolicyTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "OffBalanceSheetCreditExposurePolicyPolicyTextBlock", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/SummaryOfSignificantAccountingPoliciesPolicies" ], "lang": { "en-us": { "role": { "verboseLabel": "Off-Balance\u00a0Sheet Instruments", "label": "Off-Balance-Sheet Credit Exposure, Policy [Policy Text Block]", "documentation": "Description of accounting policies and methodologies used to estimate the entity's liability for off-balance sheet credit exposures and related charges for those credit exposures." } } }, "auth_ref": [ "r87", "r430" ] }, "bcow_OpenLineOfCreditMember": { "xbrltype": "domainItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "OpenLineOfCreditMember", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/FhlbAdvancesAndOtherBorrowingsSummaryOfFederalHomeLoanBankAdvancesDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Open line of credit [Member]", "label": "Open line of Credit [Member]", "documentation": "Open line of Credit." } } }, "auth_ref": [] }, "us-gaap_OperatingCostsAndExpenses": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "OperatingCostsAndExpenses", "crdr": "debit", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/RelatedPartyTransactionsAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "verboseLabel": "Fees paid to law firms", "terseLabel": "Related Party Transaction, Expenses from Transactions with Related Party", "label": "Operating Costs and Expenses", "totalLabel": "Operating Costs and Expenses, Total", "documentation": "Generally recurring costs associated with normal operations except for the portion of these expenses which can be clearly related to production and included in cost of sales or services. Excludes Selling, General and Administrative Expense." } } }, "auth_ref": [] }, "us-gaap_OperatingLeaseCost": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "OperatingLeaseCost", "crdr": "debit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosurePremisesAndEquipmentSummaryOfNetLeaseCostDetail": { "parentTag": "us-gaap_LeaseCost", "weight": 1.0, "order": 1.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosurePremisesAndEquipmentSummaryOfNetLeaseCostDetail" ], "lang": { "en-us": { "role": { "label": "Operating Lease, Cost", "terseLabel": "Operating lease cost", "documentation": "Amount of single lease cost, calculated by allocation of remaining cost of lease over remaining lease term. Includes, but is not limited to, single lease cost, after impairment of right-of-use asset, calculated by amortization of remaining right-of-use asset and accretion of lease liability." } } }, "auth_ref": [ "r667", "r962" ] }, "bcow_OperatingLeaseExtensionOptionTerm": { "xbrltype": "durationItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "OperatingLeaseExtensionOptionTerm", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosurePremisesAndEquipmentAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Operating lease, extension option term", "label": "Operating Lease Extension Option Term", "documentation": "Operating lease extension option term." } } }, "auth_ref": [] }, "us-gaap_OperatingLeaseLiability": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "OperatingLeaseLiability", "crdr": "credit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosurePremisesAndEquipmentSummaryOfMaturityOfRemainingLeaseLiabilitiesDetail2": { "parentTag": "us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue", "weight": 1.0, "order": 0.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosurePremisesAndEquipmentAdditionalInformationDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosurePremisesAndEquipmentSummaryOfMaturityOfRemainingLeaseLiabilitiesDetail3" ], "lang": { "en-us": { "role": { "terseLabel": "Total", "verboseLabel": "Right of use liability", "totalLabel": "Total", "label": "Operating Lease, Liability", "documentation": "Present value of lessee's discounted obligation for lease payments from operating lease." } } }, "auth_ref": [ "r662" ] }, "us-gaap_OperatingLeaseLiabilityStatementOfFinancialPositionExtensibleList": { "xbrltype": "enumerationSetItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "OperatingLeaseLiabilityStatementOfFinancialPositionExtensibleList", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosurePremisesAndEquipmentAdditionalInformationDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosurePremisesAndEquipmentSummaryOfMaturityOfRemainingLeaseLiabilitiesDetail3" ], "lang": { "en-us": { "role": { "label": "Operating Lease, Liability, Statement of Financial Position [Extensible Enumeration]", "documentation": "Indicates line item in statement of financial position that includes operating lease liability." } } }, "auth_ref": [ "r663" ] }, "bcow_OperatingLeaseRentExpense": { "xbrltype": "monetaryItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "OperatingLeaseRentExpense", "crdr": "debit", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/CommitmentsAndContingenciesAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "label": "Operating Lease Rent Expense", "documentation": "Operating Lease Rent Expense.", "verboseLabel": "Operating Lease Rent Expense", "terseLabel": "Opearating lease, rent expenses" } } }, "auth_ref": [] }, "us-gaap_OperatingLeaseRightOfUseAsset": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "OperatingLeaseRightOfUseAsset", "crdr": "debit", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosurePremisesAndEquipmentAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Right of use asset", "label": "Operating Lease, Right-of-Use Asset", "documentation": "Amount of lessee's right to use underlying asset under operating lease." } } }, "auth_ref": [ "r661" ] }, "us-gaap_OperatingLeaseRightOfUseAssetStatementOfFinancialPositionExtensibleList": { "xbrltype": "enumerationSetItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "OperatingLeaseRightOfUseAssetStatementOfFinancialPositionExtensibleList", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosurePremisesAndEquipmentAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "label": "Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration]", "documentation": "Indicates line item in statement of financial position that includes operating lease right-of-use asset." } } }, "auth_ref": [ "r663" ] }, "us-gaap_OperatingLeaseWeightedAverageDiscountRatePercent": { "xbrltype": "percentItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "OperatingLeaseWeightedAverageDiscountRatePercent", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosurePremisesAndEquipmentSummaryOfNetLeaseCostDetail" ], "lang": { "en-us": { "role": { "label": "Operating Lease, Weighted Average Discount Rate, Percent", "terseLabel": "Weighted average discount rate", "documentation": "Weighted average discount rate for operating lease calculated at point in time." } } }, "auth_ref": [ "r670", "r962" ] }, "us-gaap_OperatingLeaseWeightedAverageRemainingLeaseTerm1": { "xbrltype": "durationItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "OperatingLeaseWeightedAverageRemainingLeaseTerm1", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosurePremisesAndEquipmentSummaryOfNetLeaseCostDetail" ], "lang": { "en-us": { "role": { "label": "Operating Lease, Weighted Average Remaining Lease Term", "terseLabel": "Weighted average remaining lease terms (years)", "documentation": "Weighted average remaining lease term for operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days." } } }, "auth_ref": [ "r669", "r962" ] }, "us-gaap_OperatingLossCarryforwards": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "OperatingLossCarryforwards", "crdr": "debit", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/IncomeTaxesAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "verboseLabel": "Federal Loss Carryforwards", "label": "Operating Loss Carryforwards", "documentation": "Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws." } } }, "auth_ref": [ "r111" ] }, "bcow_OperatingLossCarryforwardsExpirationPeriod": { "xbrltype": "durationItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "OperatingLossCarryforwardsExpirationPeriod", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/IncomeTaxesAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "verboseLabel": "Expiration Period", "label": "Operating Loss Carryforwards Expiration Period", "documentation": "Expiration period of each operating loss carryforward included in operating loss carryforward." } } }, "auth_ref": [] }, "bcow_OperatingLossCarryforwardsNotSubjectToExpiration": { "xbrltype": "monetaryItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "OperatingLossCarryforwardsNotSubjectToExpiration", "crdr": "debit", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/IncomeTaxesAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Operating Loss Carryforwards, Not Subject to Expiration", "label": "Operating Loss Carryforwards Not Subject to Expiration", "documentation": "Operating Loss Carryforwards, Not Subject to Expiration" } } }, "auth_ref": [] }, "bcow_OperatingLossCarryforwardsSubjectToExpiration": { "xbrltype": "monetaryItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "OperatingLossCarryforwardsSubjectToExpiration", "crdr": "debit", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/IncomeTaxesAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Operating Loss Carryforwards, Subject to Expiration", "label": "Operating Loss Carryforwards Subject to Expiration", "documentation": "Operating Loss Carryforwards, Subject to Expiration" } } }, "auth_ref": [] }, "us-gaap_OrganizationConsolidationBasisOfPresentationBusinessDescriptionAndAccountingPoliciesTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "OrganizationConsolidationBasisOfPresentationBusinessDescriptionAndAccountingPoliciesTextBlock", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/SummaryOfSignificantAccountingPoliciesPolicies" ], "lang": { "en-us": { "role": { "verboseLabel": "Organization", "label": "Organization, Consolidation, Basis of Presentation, Business Description and Accounting Policies [Text Block]", "documentation": "The entire disclosure for the general note to the financial statements for the reporting entity which may include, descriptions of the basis of presentation, business description, significant accounting policies, consolidations, reclassifications, new pronouncements not yet adopted and changes in accounting principles." } } }, "auth_ref": [ "r158", "r159", "r160", "r179" ] }, "us-gaap_OtherAssets": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "OtherAssets", "crdr": "debit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureParentCompanyOnlyFinancialStatementsSummaryOfCondensedFinancialStatementsOfParentHoldingCompanyDetail": { "parentTag": "us-gaap_Assets", "weight": 1.0, "order": 0.0 }, "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedBalanceSheets": { "parentTag": "us-gaap_Assets", "weight": 1.0, "order": 11.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedBalanceSheets", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureParentCompanyOnlyFinancialStatementsSummaryOfCondensedFinancialStatementsOfParentHoldingCompanyDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Other assets", "label": "Other Assets", "totalLabel": "Other Assets, Total", "documentation": "Amount of assets classified as other." } } }, "auth_ref": [ "r187", "r272", "r779", "r977" ] }, "us-gaap_OtherAssetsMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "OtherAssetsMember", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosurePremisesAndEquipmentAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "label": "Other Assets [Member]", "documentation": "Primary financial statement caption encompassing other assets." } } }, "auth_ref": [ "r113", "r116" ] }, "bcow_OtherCommercialLoanMember": { "xbrltype": "domainItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "OtherCommercialLoanMember", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/LoansSummaryOfMajorClassificationsOfLoansDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Other Commercial Loan [Member]", "label": "Other Commercial Loan [Member]", "documentation": "Other Commercial Loan [Member]" } } }, "auth_ref": [] }, "bcow_OtherCommercialLoansPortfolioSegmentMember": { "xbrltype": "domainItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "OtherCommercialLoansPortfolioSegmentMember", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureLoansSummaryOfAmortizedCostBasisOfLoansByCreditQualityIndicatorAndOriginationYearDetails" ], "lang": { "en-us": { "role": { "label": "Other Commercial Loans Portfolio Segment [Member]", "documentation": "Other commercial loans portfolio segment." } } }, "auth_ref": [] }, "us-gaap_OtherCommitment": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "OtherCommitment", "crdr": "credit", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/CommitmentsAndContingenciesAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Other commitments", "label": "Other Commitment", "totalLabel": "Other Commitment, Total", "documentation": "Minimum amount of other commitment not otherwise specified in the taxonomy. Excludes commitments explicitly modeled in the taxonomy, including but not limited to, long-term and short-term purchase commitments, recorded and unrecorded purchase obligations, supply commitments, registration payment arrangements, leases, debt, product warranties, guarantees, environmental remediation obligations, and pensions." } } }, "auth_ref": [] }, "us-gaap_OtherCommitmentsAxis": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "OtherCommitmentsAxis", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureCommitmentsAndContingenciesSummaryOfContractAmountsOfCreditrelatedFinancialInstrumentsDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Other Commitments [Axis]", "label": "Other Commitments [Axis]", "documentation": "Information by type of other commitment." } } }, "auth_ref": [] }, "us-gaap_OtherCommitmentsDomain": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "OtherCommitmentsDomain", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureCommitmentsAndContingenciesSummaryOfContractAmountsOfCreditrelatedFinancialInstrumentsDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Other Commitments [Domain]", "label": "Other Commitments [Domain]", "documentation": "Other future obligation." } } }, "auth_ref": [] }, "us-gaap_OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent", "crdr": "credit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/StatementConsolidatedStatementsOfComprehensiveLoss": { "parentTag": "us-gaap_OtherComprehensiveIncomeLossNetOfTax", "weight": 1.0, "order": 1.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/StatementConsolidatedStatementsOfComprehensiveLoss" ], "lang": { "en-us": { "role": { "totalLabel": "Other comprehensive income (loss) before tax effect", "label": "Other Comprehensive Income (Loss), before Tax, Portion Attributable to Parent", "documentation": "Amount before tax of other comprehensive income (loss) attributable to parent entity." } } }, "auth_ref": [ "r8", "r26", "r180" ] }, "us-gaap_OtherComprehensiveIncomeLossNetOfTax": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "OtherComprehensiveIncomeLossNetOfTax", "crdr": "credit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/StatementConsolidatedStatementsOfComprehensiveLoss": { "parentTag": "us-gaap_ComprehensiveIncomeNetOfTax", "weight": 1.0, "order": 0.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/StatementConsolidatedStatementsOfComprehensiveLoss" ], "lang": { "en-us": { "role": { "totalLabel": "Other comprehensive income (loss), net of tax", "label": "Other Comprehensive Income (Loss), Net of Tax", "documentation": "Amount after tax and reclassification adjustments of other comprehensive income (loss)." } } }, "auth_ref": [ "r28", "r39", "r284", "r287", "r293", "r644", "r645", "r650", "r756", "r793", "r1105", "r1106" ] }, "us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/StatementConsolidatedStatementsOfComprehensiveLoss" ], "lang": { "en-us": { "role": { "verboseLabel": "Other comprehensive income (loss):", "label": "Other Comprehensive Income (Loss), Net of Tax [Abstract]" } } }, "auth_ref": [] }, "us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent", "crdr": "credit", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfChangesInStockholdersEquity" ], "lang": { "en-us": { "role": { "terseLabel": "Other comprehensive income (loss)", "label": "Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent", "totalLabel": "Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent, Total", "verboseLabel": "Other comprehensive loss", "documentation": "Amount after tax of other comprehensive income (loss) attributable to parent entity." } } }, "auth_ref": [ "r8", "r26", "r180", "r284", "r287" ] }, "us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax", "crdr": "debit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/StatementConsolidatedStatementsOfComprehensiveLoss": { "parentTag": "us-gaap_OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent", "weight": -1.0, "order": 1.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/StatementConsolidatedStatementsOfComprehensiveLoss" ], "lang": { "en-us": { "role": { "negatedLabel": "Net realized losses on available-for-sale securities included in income", "label": "Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, before Tax", "documentation": "Amount before tax of reclassification adjustment from accumulated other comprehensive income for unrealized gain (loss) realized upon the sale of available-for-sale securities." } } }, "auth_ref": [ "r7", "r148", "r282", "r406" ] }, "us-gaap_OtherComprehensiveIncomeLossTax": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "OtherComprehensiveIncomeLossTax", "crdr": "debit", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/SummaryOfSignificantAccountingPoliciesAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Other comprehensive income (loss) tax", "label": "Other Comprehensive Income (Loss), Tax", "totalLabel": "Other Comprehensive Income (Loss), Tax, Total", "documentation": "Amount of tax expense (benefit) allocated to other comprehensive income (loss)." } } }, "auth_ref": [ "r5", "r289", "r293", "r560", "r583", "r584", "r644", "r648", "r650", "r756", "r793" ] }, "us-gaap_OtherComprehensiveIncomeLossTaxPortionAttributableToParent1": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "OtherComprehensiveIncomeLossTaxPortionAttributableToParent1", "crdr": "debit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/StatementConsolidatedStatementsOfComprehensiveLoss": { "parentTag": "us-gaap_OtherComprehensiveIncomeLossNetOfTax", "weight": -1.0, "order": 0.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/StatementConsolidatedStatementsOfComprehensiveLoss" ], "lang": { "en-us": { "role": { "negatedLabel": "Tax effect of other comprehensive income (loss) items", "label": "Other Comprehensive Income (Loss), Tax, Portion Attributable to Parent", "totalLabel": "Other Comprehensive Income (Loss), Tax, Portion Attributable to Parent, Total", "documentation": "Amount of tax expense (benefit) allocated to other comprehensive income (loss) attributable to parent entity." } } }, "auth_ref": [ "r8", "r26", "r180" ] }, "us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax", "crdr": "credit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/StatementConsolidatedStatementsOfComprehensiveLoss": { "parentTag": "us-gaap_OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent", "weight": 1.0, "order": 0.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/StatementConsolidatedStatementsOfComprehensiveLoss" ], "lang": { "en-us": { "role": { "terseLabel": "Unrealized holding gains (losses) arising during the period on available-for-sale securities", "label": "OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment and Tax", "documentation": "Amount, before tax and adjustment, of unrealized holding gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). Excludes unrealized gain (loss) on investment in debt security measured at amortized cost (held-to-maturity) from transfer to available-for-sale." } } }, "auth_ref": [ "r280", "r281", "r406" ] }, "bcow_OtherConsumerLoanMember": { "xbrltype": "domainItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "OtherConsumerLoanMember", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/LoansSummaryOfMajorClassificationsOfLoansDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Other Consumer Loan [Member]", "label": "Other Consumer Loan [Member]", "documentation": "Other Consumer Loan [Member]" } } }, "auth_ref": [] }, "bcow_OtherFinancialInstitutionsMember": { "xbrltype": "domainItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "OtherFinancialInstitutionsMember", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/LoansAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Other Financial Institutions [Member]", "label": "Other Financial Institutions [Member]", "documentation": "Other Financial Institutions [Member]" } } }, "auth_ref": [] }, "us-gaap_OtherInterestAndDividendIncome": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "OtherInterestAndDividendIncome", "crdr": "credit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfOperations": { "parentTag": "us-gaap_InterestAndDividendIncomeOperating", "weight": 1.0, "order": 2.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfOperations" ], "lang": { "en-us": { "role": { "terseLabel": "Other", "label": "Other Interest and Dividend Income", "documentation": "Amount, after discount, accretion and premium amortization, of interest income and dividend income classified as other." } } }, "auth_ref": [ "r206" ] }, "us-gaap_OtherLiabilities": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "OtherLiabilities", "crdr": "credit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureParentCompanyOnlyFinancialStatementsSummaryOfCondensedFinancialStatementsOfParentHoldingCompanyDetail": { "parentTag": "us-gaap_Liabilities", "weight": 1.0, "order": 0.0 }, "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedBalanceSheets": { "parentTag": "us-gaap_Liabilities", "weight": 1.0, "order": 4.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedBalanceSheets", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureParentCompanyOnlyFinancialStatementsSummaryOfCondensedFinancialStatementsOfParentHoldingCompanyDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Other liabilities", "label": "Other Liabilities", "totalLabel": "Other Liabilities, Total", "documentation": "Amount of liabilities classified as other." } } }, "auth_ref": [ "r131", "r776", "r850", "r851", "r977", "r1243" ] }, "us-gaap_OtherLiabilitiesMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "OtherLiabilitiesMember", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosurePremisesAndEquipmentAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "label": "Other Liabilities [Member]", "documentation": "Primary financial statement caption encompassing other liabilities." } } }, "auth_ref": [ "r113", "r116" ] }, "us-gaap_OtherNoninterestExpense": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "OtherNoninterestExpense", "crdr": "debit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfOperations": { "parentTag": "us-gaap_NoninterestExpense", "weight": 1.0, "order": 6.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfOperations" ], "lang": { "en-us": { "role": { "terseLabel": "Other", "label": "Other Noninterest Expense", "documentation": "Amount of noninterest expense classified as other." } } }, "auth_ref": [ "r204" ] }, "ecd_OtherPerfMeasureAmt": { "xbrltype": "decimalItemType", "nsuri": "http://xbrl.sec.gov/ecd/2023", "localname": "OtherPerfMeasureAmt", "presentation": [ "http://xbrl.sec.gov/ecd/role/PvpDisclosure" ], "lang": { "en-us": { "role": { "label": "Other Performance Measure, Amount", "terseLabel": "Other Performance Measure, Amount" } } }, "auth_ref": [ "r1024" ] }, "ecd_OutstandingAggtErrCompAmt": { "xbrltype": "monetaryItemType", "nsuri": "http://xbrl.sec.gov/ecd/2023", "localname": "OutstandingAggtErrCompAmt", "presentation": [ "http://xbrl.sec.gov/ecd/role/ErrCompDisclosure" ], "lang": { "en-us": { "role": { "label": "Outstanding Aggregate Erroneous Compensation Amount", "terseLabel": "Outstanding Aggregate Erroneous Compensation Amount" } } }, "auth_ref": [ "r991", "r1003", "r1013", "r1039" ] }, "ecd_OutstandingRecoveryCompAmt": { "xbrltype": "monetaryItemType", "nsuri": "http://xbrl.sec.gov/ecd/2023", "localname": "OutstandingRecoveryCompAmt", "presentation": [ "http://xbrl.sec.gov/ecd/role/ErrCompDisclosure" ], "lang": { "en-us": { "role": { "label": "Outstanding Recovery Compensation Amount", "terseLabel": "Compensation Amount" } } }, "auth_ref": [ "r994", "r1006", "r1016", "r1042" ] }, "ecd_OutstandingRecoveryIndName": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/ecd/2023", "localname": "OutstandingRecoveryIndName", "presentation": [ "http://xbrl.sec.gov/ecd/role/ErrCompDisclosure" ], "lang": { "en-us": { "role": { "label": "Outstanding Recovery, Individual Name", "terseLabel": "Name" } } }, "auth_ref": [ "r994", "r1006", "r1016", "r1042" ] }, "bcow_OverdraftProtectionProgramCommitmentsMember": { "xbrltype": "domainItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "OverdraftProtectionProgramCommitmentsMember", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureCommitmentsAndContingenciesSummaryOfContractAmountsOfCreditrelatedFinancialInstrumentsDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Overdraft Protection Program Commitments [Member]", "label": "Overdraft Protection Program Commitments [Member]", "documentation": "Overdraft protection program commitments." } } }, "auth_ref": [] }, "srt_ParentCompanyMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/srt/2023", "localname": "ParentCompanyMember", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureParentCompanyOnlyFinancialStatementsSummaryOfCondensedFinancialStatementsOfParentHoldingCompanyDetail" ], "lang": { "en-us": { "role": { "label": "Parent Company [Member]", "terseLabel": "Parent Holding Company", "documentation": "Registrant with controlling financial interest in one or more subsidiaries. Controlling interest in subsidiary includes, but is not limited to, primary beneficiary of variable interest entity (VIE). Controlling interest in subsidiary excludes broker-dealer with controlling financial interest in subsidiary but control is likely to be temporary." } } }, "auth_ref": [ "r312" ] }, "bcow_ParticipationLoansTransferred": { "xbrltype": "monetaryItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "ParticipationLoansTransferred", "crdr": "debit", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/LoansAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Participation loans transferred", "label": "Participation loans transferred", "documentation": "Participation loans transferred." } } }, "auth_ref": [] }, "us-gaap_PassMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "PassMember", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureLoansSummaryOfAmortizedCostBasisOfLoansByCreditQualityIndicatorAndOriginationYearDetails", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/LoansSummaryOfInternalRiskRatingsOfLoansDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Pass [Member]", "label": "Pass [Member]", "documentation": "A category of financing receivables not considered to be special mention, substandard, doubtful, and loss receivables." } } }, "auth_ref": [ "r83", "r1160" ] }, "us-gaap_PastDueFinancingReceivablesTableTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "PastDueFinancingReceivablesTableTextBlock", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/LoansTables" ], "lang": { "en-us": { "role": { "terseLabel": "Schedule of Analysis of Past due Loans", "label": "Financing Receivable, Past Due [Table Text Block]", "documentation": "Tabular disclosure of aging analysis for financing receivable." } } }, "auth_ref": [ "r84", "r86", "r944", "r1159" ] }, "ecd_PayVsPerformanceDisclosureLineItems": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/ecd/2023", "localname": "PayVsPerformanceDisclosureLineItems", "lang": { "en-us": { "role": { "label": "Pay vs Performance Disclosure [Line Items]", "terseLabel": "Pay vs Performance Disclosure" } } }, "auth_ref": [ "r1020" ] }, "us-gaap_PaymentDeferralMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "PaymentDeferralMember", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/LoansAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "label": "Payment Deferral [Member]", "documentation": "Loan modification for a temporary postponement of loan payments." } } }, "auth_ref": [ "r366", "r367", "r369" ] }, "us-gaap_PaymentsForOriginationOfMortgageLoansHeldForSale": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "PaymentsForOriginationOfMortgageLoansHeldForSale", "crdr": "credit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfCashFlows": { "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": -1.0, "order": 14.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfCashFlows" ], "lang": { "en-us": { "role": { "negatedLabel": "Originations of mortgage loans held for sale", "label": "Payment for Origination, Loan, Mortgage, Held-for-Sale", "documentation": "The amount of cash paid for the origination of mortgages that are held for sale." } } }, "auth_ref": [ "r929", "r1115" ] }, "bcow_PaymentsForProceedsFromAcquirePropertyPlantAndEquipment": { "xbrltype": "monetaryItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "PaymentsForProceedsFromAcquirePropertyPlantAndEquipment", "crdr": "debit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfCashFlows": { "parentTag": "us-gaap_NetCashProvidedByUsedInInvestingActivities", "weight": 1.0, "order": 6.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfCashFlows" ], "lang": { "en-us": { "role": { "terseLabel": "Net capital expenditures for premises and equipment", "label": "Payments For Proceeds From Acquire Property Plant And Equipment", "documentation": "Payments for proceeds from acquire property plant and equipment." } } }, "auth_ref": [] }, "us-gaap_PaymentsForProceedsFromFederalHomeLoanBankStock": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "PaymentsForProceedsFromFederalHomeLoanBankStock", "crdr": "credit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfCashFlows": { "parentTag": "us-gaap_NetCashProvidedByUsedInInvestingActivities", "weight": -1.0, "order": 7.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfCashFlows" ], "lang": { "en-us": { "role": { "negatedLabel": "Net increase in FHLB stock, net", "label": "Payments for (Proceeds from) Federal Home Loan Bank Stock", "totalLabel": "Payments for (Proceeds from) Federal Home Loan Bank Stock, Total", "documentation": "Amount of cash outflow (inflow) from acquisition (sale) of Federal Home Loan Bank (FHLBank) stock." } } }, "auth_ref": [] }, "us-gaap_PaymentsForProceedsFromLoansAndLeases": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "PaymentsForProceedsFromLoansAndLeases", "crdr": "credit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfCashFlows": { "parentTag": "us-gaap_NetCashProvidedByUsedInInvestingActivities", "weight": -1.0, "order": 11.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfCashFlows" ], "lang": { "en-us": { "role": { "negatedLabel": "Net increase in loans", "label": "Payments for (Proceeds from) Loans and Leases", "totalLabel": "Payments for (Proceeds from) Loans and Leases, Total", "documentation": "The net cash outflow or inflow for the increase (decrease) in the beginning and end of period of loan and lease balances which are not originated or purchased specifically for resale. Includes cash payments and proceeds associated with (a) loans held-for-investment, (b) leases held-for-investment, and (c) both." } } }, "auth_ref": [ "r759" ] }, "us-gaap_PaymentsForRepurchaseOfEquity": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "PaymentsForRepurchaseOfEquity", "crdr": "credit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfCashFlows": { "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivities", "weight": -1.0, "order": 8.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfCashFlows" ], "lang": { "en-us": { "role": { "label": "Payments for Repurchase of Equity", "totalLabel": "Payments for Repurchase of Equity, Total", "negatedLabel": "Purchase of treasury stock", "documentation": "The cash outflow to reacquire common and preferred stock." } } }, "auth_ref": [ "r59", "r824" ] }, "us-gaap_PaymentsOfStockIssuanceCosts": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "PaymentsOfStockIssuanceCosts", "crdr": "credit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfCashFlows": { "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivities", "weight": -1.0, "order": 5.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfCashFlows" ], "lang": { "en-us": { "role": { "negatedLabel": "Stock offering costs", "label": "Payments of Stock Issuance Costs", "documentation": "The cash outflow for cost incurred directly with the issuance of an equity security." } } }, "auth_ref": [ "r58" ] }, "us-gaap_PaymentsToAcquireAvailableForSaleSecuritiesDebt": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "PaymentsToAcquireAvailableForSaleSecuritiesDebt", "crdr": "credit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfCashFlows": { "parentTag": "us-gaap_NetCashProvidedByUsedInInvestingActivities", "weight": -1.0, "order": 3.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfCashFlows" ], "lang": { "en-us": { "role": { "negatedLabel": "Purchases of available-for-sale securities", "label": "Payments to Acquire Debt Securities, Available-for-Sale", "documentation": "Amount of cash outflow to acquire investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale)." } } }, "auth_ref": [ "r57", "r296", "r373" ] }, "us-gaap_PaymentsToAcquireEquitySecuritiesFvNi": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "PaymentsToAcquireEquitySecuritiesFvNi", "crdr": "credit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfCashFlows": { "parentTag": "us-gaap_NetCashProvidedByUsedInInvestingActivities", "weight": -1.0, "order": 4.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfCashFlows" ], "lang": { "en-us": { "role": { "label": "Payments to Acquire Equity Securities, FV-NI", "negatedLabel": "Purchase of marketable equity securities", "documentation": "Amount of cash outflow to acquire investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI), classified as investing activity." } } }, "auth_ref": [ "r221", "r299" ] }, "us-gaap_PaymentsToAcquireFederalHomeLoanBankStock": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "PaymentsToAcquireFederalHomeLoanBankStock", "crdr": "credit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfCashFlows": { "parentTag": "us-gaap_NetCashProvidedByUsedInInvestingActivities", "weight": -1.0, "order": 5.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfCashFlows" ], "lang": { "en-us": { "role": { "label": "Payments to Acquire Federal Home Loan Bank Stock", "negatedLabel": "Net increase in Federal Home Loan Bank stock", "documentation": "Amount of cash outflow to acquire Federal Home Loan Bank (FHLB) stock." } } }, "auth_ref": [ "r1112" ] }, "bcow_PaymentsToRepurchaseSharesUnderEmployeeStockOwnershipPlan": { "xbrltype": "monetaryItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "PaymentsToRepurchaseSharesUnderEmployeeStockOwnershipPlan", "crdr": "credit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureParentCompanyOnlyFinancialStatementsSummaryOfCondensedFinancialStatementsOfParentHoldingCompanyDetail3": { "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivities", "weight": -1.0, "order": 1.0 }, "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfCashFlows": { "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivities", "weight": -1.0, "order": 9.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfCashFlows", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureParentCompanyOnlyFinancialStatementsSummaryOfCondensedFinancialStatementsOfParentHoldingCompanyDetail" ], "lang": { "en-us": { "role": { "label": "Payments to Repurchase Shares Under Employee Stock Ownership Plan", "documentation": "Represents Payments to Repurchase Shares Under Employee Stock Ownership Plan.", "negatedLabel": "Purchases of ESOP shares" } } }, "auth_ref": [] }, "ecd_PeerGroupIssuersFnTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://xbrl.sec.gov/ecd/2023", "localname": "PeerGroupIssuersFnTextBlock", "presentation": [ "http://xbrl.sec.gov/ecd/role/PvpDisclosure" ], "lang": { "en-us": { "role": { "label": "Peer Group Issuers, Footnote [Text Block]", "terseLabel": "Peer Group Issuers, Footnote" } } }, "auth_ref": [ "r1023" ] }, "ecd_PeerGroupTotalShareholderRtnAmt": { "xbrltype": "monetaryItemType", "nsuri": "http://xbrl.sec.gov/ecd/2023", "localname": "PeerGroupTotalShareholderRtnAmt", "presentation": [ "http://xbrl.sec.gov/ecd/role/PvpDisclosure" ], "lang": { "en-us": { "role": { "label": "Peer Group Total Shareholder Return Amount", "terseLabel": "Peer Group Total Shareholder Return Amount" } } }, "auth_ref": [ "r1023" ] }, "us-gaap_PensionAndOtherPostretirementBenefitsDisclosureTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "PensionAndOtherPostretirementBenefitsDisclosureTextBlock", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/EmployeeBenefitPlans" ], "lang": { "en-us": { "role": { "terseLabel": "Employee Benefit Plans", "label": "Retirement Benefits [Text Block]", "documentation": "The entire disclosure for retirement benefits." } } }, "auth_ref": [ "r495", "r497", "r498", "r504", "r505", "r507", "r508", "r509", "r510", "r511", "r512", "r513", "r515", "r955" ] }, "us-gaap_PensionAndOtherPostretirementPlansPolicy": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "PensionAndOtherPostretirementPlansPolicy", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/SummaryOfSignificantAccountingPoliciesPolicies" ], "lang": { "en-us": { "role": { "verboseLabel": "Employee Benefit Plans", "label": "Pension and Other Postretirement Plans, Policy [Policy Text Block]", "documentation": "Disclosure of accounting policy for pension and other postretirement benefit plans. This accounting policy may address (1) the types of plans sponsored by the entity, and the benefits provided by each plan (2) groups that participate in (or are covered by) each plan (3) how plan assets, liabilities and expenses are measured, including the use of any actuaries and (4) significant assumptions used by the entity to value plan assets and liabilities and how such assumptions are derived." } } }, "auth_ref": [ "r15", "r16", "r18", "r29", "r98" ] }, "ecd_PeoActuallyPaidCompAmt": { "xbrltype": "monetaryItemType", "nsuri": "http://xbrl.sec.gov/ecd/2023", "localname": "PeoActuallyPaidCompAmt", "presentation": [ "http://xbrl.sec.gov/ecd/role/PvpDisclosure" ], "lang": { "en-us": { "role": { "label": "PEO Actually Paid Compensation Amount", "terseLabel": "PEO Actually Paid Compensation Amount" } } }, "auth_ref": [ "r1022" ] }, "ecd_PeoMember": { "xbrltype": "domainItemType", "nsuri": "http://xbrl.sec.gov/ecd/2023", "localname": "PeoMember", "presentation": [ "http://xbrl.sec.gov/ecd/role/PvpDisclosure" ], "lang": { "en-us": { "role": { "label": "PEO [Member]", "terseLabel": "PEO" } } }, "auth_ref": [ "r1032" ] }, "ecd_PeoName": { "xbrltype": "normalizedStringItemType", "nsuri": "http://xbrl.sec.gov/ecd/2023", "localname": "PeoName", "presentation": [ "http://xbrl.sec.gov/ecd/role/PvpDisclosure" ], "lang": { "en-us": { "role": { "label": "PEO Name", "terseLabel": "PEO Name" } } }, "auth_ref": [ "r1025" ] }, "ecd_PeoTotalCompAmt": { "xbrltype": "monetaryItemType", "nsuri": "http://xbrl.sec.gov/ecd/2023", "localname": "PeoTotalCompAmt", "presentation": [ "http://xbrl.sec.gov/ecd/role/PvpDisclosure" ], "lang": { "en-us": { "role": { "label": "PEO Total Compensation Amount", "terseLabel": "PEO Total Compensation Amount" } } }, "auth_ref": [ "r1021" ] }, "bcow_PercentageIncreaseInAllowanceForCreditLosses": { "xbrltype": "percentItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "PercentageIncreaseInAllowanceForCreditLosses", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/SummaryOfSignificantAccountingPoliciesAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "documentation": "Percentage Increase In Allowance For Credit Losses", "label": "Percentage Increase In Allowance For Credit Losses", "terseLabel": "Percentage increase in allowance for credit losses" } } }, "auth_ref": [] }, "bcow_PercentageOfLoanGuaranteeBySmallBusinessAdministration": { "xbrltype": "percentItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "PercentageOfLoanGuaranteeBySmallBusinessAdministration", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/LoansAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Percentage Of Loan Guarantee By Small Business Administration", "label": "Percentage Of Loan Guarantee By Small Business Administration", "documentation": "Percentage Of Loan Guarantee By Small Business Administration" } } }, "auth_ref": [] }, "bcow_PercentageOfLoansCoverageRatio": { "xbrltype": "percentItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "PercentageOfLoansCoverageRatio", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/SummaryOfSignificantAccountingPoliciesAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "documentation": "Percentage of loans coverage ratio.", "label": "Percentage of Loans Coverage Ratio", "terseLabel": "Percentage of loans coverage ratio" } } }, "auth_ref": [] }, "bcow_PercentageOfLossInGrossReceipts": { "xbrltype": "percentItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "PercentageOfLossInGrossReceipts", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/LoansAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Percentage Of Loss In Gross Receipts", "label": "Percentage Of Loss In Gross Receipts", "documentation": "Percentage of loss in gross receipts." } } }, "auth_ref": [] }, "bcow_PercentageOfRepurchaseOfOutstandingShares": { "xbrltype": "percentItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "PercentageOfRepurchaseOfOutstandingShares", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureEquityAndRegulatoryMattersAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Percentage of repurchase of outstanding shares", "label": "Percentage of Repurchase of Outstanding Shares", "documentation": "Minimum ceiling limit of shares to be purchased, Percent." } } }, "auth_ref": [] }, "us-gaap_PerformingFinancingReceivableMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "PerformingFinancingReceivableMember", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureLoansSummaryOfAmortizedCostBasisOfLoansByCreditQualityIndicatorAndOriginationYearDetails", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/LoansSummaryOfInformationRegardingTheCreditQualityIndicatorsForResidentialRealEstateAndConsumerLoansDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Performing [Member]", "label": "Performing Financial Instruments [Member]", "documentation": "Category status of financial instruments in which payments are received or paid on a timely basis in accordance with the terms of the contract. Financial instruments include, but are not limited to, financing receivables, loans, debt instruments, and investments." } } }, "auth_ref": [ "r83", "r1160" ] }, "bcow_PeriodForCompanyQualifiesAsEmergingGrowthCompanyFromCompletionOfStockOffering": { "xbrltype": "durationItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "PeriodForCompanyQualifiesAsEmergingGrowthCompanyFromCompletionOfStockOffering", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/SummaryOfSignificantAccountingPoliciesAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "verboseLabel": "Period for company qualifies as emerging growth company from completion of stock offering", "label": "Period For Company Qualifies As Emerging Growth Company From Completion Of Stock Offering", "documentation": "Period for company qualifies as emerging growth company from completion of stock offering." } } }, "auth_ref": [] }, "us-gaap_PlanNameAxis": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "PlanNameAxis", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DeferredCompensationAdditionalInformationDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/StockBasedCompensationAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Plan name [Axis]", "label": "Plan Name [Axis]", "documentation": "Information by plan name for share-based payment arrangement." } } }, "auth_ref": [ "r1178", "r1179", "r1180", "r1181", "r1182", "r1183", "r1184", "r1185", "r1186", "r1187", "r1188", "r1189", "r1190", "r1191", "r1192", "r1193", "r1194", "r1195", "r1196", "r1197", "r1198", "r1199", "r1200", "r1201", "r1202", "r1203" ] }, "us-gaap_PlanNameDomain": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "PlanNameDomain", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DeferredCompensationAdditionalInformationDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/StockBasedCompensationAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Plan name [Domain]", "label": "Plan Name [Domain]", "documentation": "Plan name for share-based payment arrangement." } } }, "auth_ref": [ "r1178", "r1179", "r1180", "r1181", "r1182", "r1183", "r1184", "r1185", "r1186", "r1187", "r1188", "r1189", "r1190", "r1191", "r1192", "r1193", "r1194", "r1195", "r1196", "r1197", "r1198", "r1199", "r1200", "r1201", "r1202", "r1203" ] }, "us-gaap_PledgedStatusAxis": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "PledgedStatusAxis", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/FhlbAdvancesAndOtherBorrowingsAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "label": "Pledged Status [Axis]", "documentation": "Information by pledged or not pledged status of asset owned by entity." } } }, "auth_ref": [ "r591", "r848", "r959" ] }, "us-gaap_PledgedStatusDomain": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "PledgedStatusDomain", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/FhlbAdvancesAndOtherBorrowingsAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "label": "Pledged Status [Domain]", "documentation": "Pledged or not pledged status of asset owned by entity." } } }, "auth_ref": [ "r591", "r848", "r959" ] }, "us-gaap_PortionAtFairValueFairValueDisclosureMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "PortionAtFairValueFairValueDisclosureMember", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/FairValueSummaryOfCarryingValuesAndEstimatedFairValuesOfFinancialInstrumentsDetail" ], "lang": { "en-us": { "role": { "label": "Portion at Fair Value Measurement [Member]", "axisDefault": "Portion at Fair Value Measurement [Member] [Default]", "documentation": "Measured at fair value for financial reporting purposes." } } }, "auth_ref": [ "r636" ] }, "bcow_PppLoansMember": { "xbrltype": "domainItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "PppLoansMember", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/LoansAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "documentation": "Ppp Loans Member", "label": "PPP loans [Member]" } } }, "auth_ref": [] }, "us-gaap_PreferredStockParOrStatedValuePerShare": { "xbrltype": "perShareItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "PreferredStockParOrStatedValuePerShare", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedBalanceSheetsParenthetical" ], "lang": { "en-us": { "role": { "terseLabel": "Preferred stock par or stated value per share", "label": "Preferred Stock, Par or Stated Value Per Share", "documentation": "Face amount or stated value per share of preferred stock nonredeemable or redeemable solely at the option of the issuer." } } }, "auth_ref": [ "r141", "r479" ] }, "us-gaap_PreferredStockSharesAuthorized": { "xbrltype": "sharesItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "PreferredStockSharesAuthorized", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedBalanceSheetsParenthetical" ], "lang": { "en-us": { "role": { "terseLabel": "Preferred stock shares authorized", "label": "Preferred Stock, Shares Authorized", "documentation": "The maximum number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) permitted to be issued by an entity's charter and bylaws." } } }, "auth_ref": [ "r141", "r855" ] }, "us-gaap_PreferredStockValue": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "PreferredStockValue", "crdr": "credit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedBalanceSheets": { "parentTag": "us-gaap_StockholdersEquity", "weight": 1.0, "order": 6.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedBalanceSheets" ], "lang": { "en-us": { "role": { "terseLabel": "Preferred stock, $0.01 par value, 10,000,000 shares authorized at December 31, 2023 and December 31, 2022", "label": "Preferred Stock, Value, Issued", "documentation": "Aggregate par or stated value of issued nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer). This item includes treasury stock repurchased by the entity. Note: elements for number of nonredeemable preferred shares, par value and other disclosure concepts are in another section within stockholders' equity." } } }, "auth_ref": [ "r141", "r782", "r963" ] }, "bcow_PresidentAndChiefExecutiveOfficerMember": { "xbrltype": "domainItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "PresidentAndChiefExecutiveOfficerMember", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/StockBasedCompensationSummaryOfNonvestedStockOptionActivityParentheticalDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/StockBasedCompensationSummaryOfRestrictedStockUnitActivityParentheticalDetail" ], "lang": { "en-us": { "role": { "documentation": "President and Chief Executive Officer.", "label": "President and Chief Executive Officer [Member]", "terseLabel": "President and Chief Executive Officer [Member]" } } }, "auth_ref": [] }, "us-gaap_PrincipalAmountOutstandingOfLoansHeldInPortfolio": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "PrincipalAmountOutstandingOfLoansHeldInPortfolio", "crdr": "debit", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/LoansAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Outstanding from loans purchased", "label": "Loan, Held-in-Portfolio, Principal Outstanding", "totalLabel": "Loan, Held-in-Portfolio, Principal Outstanding, Total", "documentation": "This is the result of the principal amount outstanding of total loans managed or securitized less securitized loans and loans that are in the process of being securitized." } } }, "auth_ref": [ "r38" ] }, "bcow_PrincipalPaymentsReceivedOnEmployeeStockOwnershipPlan": { "xbrltype": "monetaryItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "PrincipalPaymentsReceivedOnEmployeeStockOwnershipPlan", "crdr": "debit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureParentCompanyOnlyFinancialStatementsSummaryOfCondensedFinancialStatementsOfParentHoldingCompanyDetail3": { "parentTag": "us-gaap_NetCashProvidedByUsedInInvestingActivities", "weight": 1.0, "order": 1.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureParentCompanyOnlyFinancialStatementsSummaryOfCondensedFinancialStatementsOfParentHoldingCompanyDetail" ], "lang": { "en-us": { "role": { "documentation": "Principal payments received on employee stock ownership plan.", "label": "Principal Payments Received On Employee Stock Ownership Plan", "terseLabel": "Principal payments recived on ESOP loan" } } }, "auth_ref": [] }, "us-gaap_PriorPeriodReclassificationAdjustmentDescription": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "PriorPeriodReclassificationAdjustmentDescription", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/SummaryOfSignificantAccountingPoliciesPolicies" ], "lang": { "en-us": { "role": { "verboseLabel": "Reclassifications", "label": "Reclassification, Comparability Adjustment [Policy Text Block]", "documentation": "Disclosure of accounting policy for reclassification affecting comparability of financial statement. Excludes amendment to accounting standards, other change in accounting principle, and correction of error." } } }, "auth_ref": [ "r1101" ] }, "us-gaap_ProceedsFromFederalHomeLoanBankBorrowings": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "ProceedsFromFederalHomeLoanBankBorrowings", "crdr": "debit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfCashFlows": { "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivities", "weight": 1.0, "order": 2.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfCashFlows" ], "lang": { "en-us": { "role": { "label": "Proceeds from FHLBank Borrowings, Financing Activities", "terseLabel": "Proceeds from the issuance of Federal Home Loan Bank advances", "documentation": "Amount of cash inflow from Federal Home Loan Bank (FHLBank) borrowing, classified as financing activity." } } }, "auth_ref": [ "r1113" ] }, "us-gaap_ProceedsFromIssuanceOfCommonStock": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "ProceedsFromIssuanceOfCommonStock", "crdr": "debit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfCashFlows": { "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivities", "weight": 1.0, "order": 4.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfCashFlows" ], "lang": { "en-us": { "role": { "label": "Proceeds from Issuance of Common Stock", "terseLabel": "Gross proceeds from stock offering", "documentation": "The cash inflow from the additional capital contribution to the entity." } } }, "auth_ref": [ "r6" ] }, "us-gaap_ProceedsFromLifeInsurancePolicies": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "ProceedsFromLifeInsurancePolicies", "crdr": "debit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfCashFlows": { "parentTag": "us-gaap_NetCashProvidedByUsedInInvestingActivities", "weight": 1.0, "order": 8.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfCashFlows" ], "lang": { "en-us": { "role": { "terseLabel": "Proceeds from cash value life insurance death benefits", "label": "Proceeds from Life Insurance Policy", "documentation": "Amount of cash inflow for proceeds from settlement of corporate-owned life insurance policy, classified as investing activities. Includes, but is not limited to, bank-owned life insurance policy." } } }, "auth_ref": [ "r9", "r55" ] }, "us-gaap_ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities", "crdr": "debit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfCashFlows": { "parentTag": "us-gaap_NetCashProvidedByUsedInInvestingActivities", "weight": 1.0, "order": 1.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfCashFlows" ], "lang": { "en-us": { "role": { "verboseLabel": "Maturities, prepayments, and calls of available for sale securities", "label": "Proceeds from Maturities, Prepayments and Calls of Debt Securities, Available-for-Sale", "terseLabel": "Maturities, prepayments and calls of available-for-sale securities", "documentation": "Amount of cash inflow from maturity, prepayment and call of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale)." } } }, "auth_ref": [ "r296", "r297", "r1139" ] }, "us-gaap_ProceedsFromSaleOfAvailableForSaleSecuritiesDebt": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "ProceedsFromSaleOfAvailableForSaleSecuritiesDebt", "crdr": "debit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfCashFlows": { "parentTag": "us-gaap_NetCashProvidedByUsedInInvestingActivities", "weight": 1.0, "order": 2.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/AvailableForSaleSecuritiesSummaryOfProceedsFromSalesOfSecuritiesAvailableForSaleAsWellAsGrossGainsAndLossesDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfCashFlows" ], "lang": { "en-us": { "role": { "label": "Proceeds from Sale of Debt Securities, Available-for-Sale", "terseLabel": "Proceeds from sales of securities available-for-sale", "verboseLabel": "Proceeds from sales of available-for-sale securities", "documentation": "Amount of cash inflow from sale of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale)." } } }, "auth_ref": [ "r56", "r296", "r373", "r405" ] }, "us-gaap_ProceedsFromSaleOfEquitySecuritiesFvNi": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "ProceedsFromSaleOfEquitySecuritiesFvNi", "crdr": "debit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfCashFlows": { "parentTag": "us-gaap_NetCashProvidedByUsedInInvestingActivities", "weight": 1.0, "order": 10.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfCashFlows" ], "lang": { "en-us": { "role": { "terseLabel": "Distribution of marketable equity securities", "label": "Proceeds from Sale of Equity Securities, FV-NI", "documentation": "Amount of cash inflow from sale of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI), classified as investing activity." } } }, "auth_ref": [ "r221", "r299" ] }, "us-gaap_ProceedsFromSaleOfMortgageLoansHeldForSale": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "ProceedsFromSaleOfMortgageLoansHeldForSale", "crdr": "debit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfCashFlows": { "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": 1.0, "order": 4.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfCashFlows" ], "lang": { "en-us": { "role": { "verboseLabel": "Proceeds from sales of mortgage loans held for sale", "label": "Proceeds from Sale, Loan, Mortgage, Held-for-Sale", "documentation": "The cash inflow from sales of loans that are secured with real estate mortgages and are held with the intention to resell in the near future." } } }, "auth_ref": [ "r60", "r61" ] }, "us-gaap_ProceedsFromSaleOfOtherRealEstate": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "ProceedsFromSaleOfOtherRealEstate", "crdr": "debit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfCashFlows": { "parentTag": "us-gaap_NetCashProvidedByUsedInInvestingActivities", "weight": 1.0, "order": 9.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfCashFlows", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureParentCompanyOnlyFinancialStatementsSummaryOfCondensedFinancialStatementsOfParentHoldingCompanyDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Proceeds from sale of other real estate owned", "label": "Proceeds from Sale of Other Real Estate", "documentation": "The cash inflow associated with the sale of other real estate not otherwise defined in the taxonomy." } } }, "auth_ref": [ "r55" ] }, "us-gaap_ProceedsFromSaleOfTreasuryStock": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "ProceedsFromSaleOfTreasuryStock", "crdr": "debit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfCashFlows": { "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivities", "weight": 1.0, "order": 11.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfCashFlows" ], "lang": { "en-us": { "role": { "terseLabel": "Sale of treasury stock by Rabbi Trust", "label": "Proceeds from Sale of Treasury Stock", "documentation": "The cash inflow from the issuance of an equity stock that has been previously reacquired by the entity." } } }, "auth_ref": [ "r6" ] }, "us-gaap_ProceedsFromStockOptionsExercised": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "ProceedsFromStockOptionsExercised", "crdr": "debit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureParentCompanyOnlyFinancialStatementsSummaryOfCondensedFinancialStatementsOfParentHoldingCompanyDetail3": { "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivities", "weight": 1.0, "order": 4.0 }, "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfCashFlows": { "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivities", "weight": 1.0, "order": 12.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfCashFlows", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureParentCompanyOnlyFinancialStatementsSummaryOfCondensedFinancialStatementsOfParentHoldingCompanyDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Stock options exercised", "label": "Proceeds from Stock Options Exercised", "documentation": "Amount of cash inflow from exercise of option under share-based payment arrangement." } } }, "auth_ref": [ "r6", "r34" ] }, "srt_ProductOrServiceAxis": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/srt/2023", "localname": "ProductOrServiceAxis", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DeferredCompensationAdditionalInformationDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/NatureOfOperationsAndBasisOfPresentationAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "label": "Product and Service [Axis]", "documentation": "Information by product and service, or group of similar products and similar services." } } }, "auth_ref": [ "r357", "r738", "r799", "r800", "r801", "r802", "r803", "r804", "r923", "r952", "r965", "r1065", "r1166", "r1167", "r1175", "r1238" ] }, "srt_ProductsAndServicesDomain": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/srt/2023", "localname": "ProductsAndServicesDomain", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DeferredCompensationAdditionalInformationDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/NatureOfOperationsAndBasisOfPresentationAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "label": "Product and Service [Domain]", "documentation": "Product or service, or a group of similar products or similar services." } } }, "auth_ref": [ "r357", "r738", "r799", "r800", "r801", "r802", "r803", "r804", "r923", "r952", "r965", "r1065", "r1166", "r1167", "r1175", "r1238" ] }, "us-gaap_ProfitLoss": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "ProfitLoss", "crdr": "credit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureParentCompanyOnlyFinancialStatementsSummaryOfCondensedFinancialStatementsOfParentHoldingCompanyDetail3": { "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": 1.0, "order": 3.0 }, "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfCashFlows": { "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": 1.0, "order": 9.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfCashFlows", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureParentCompanyOnlyFinancialStatementsSummaryOfCondensedFinancialStatementsOfParentHoldingCompanyDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Net loss", "verboseLabel": "Net income", "label": "Net Income (Loss), Including Portion Attributable to Noncontrolling Interest", "totalLabel": "Net Income (Loss), Including Portion Attributable to Noncontrolling Interest, Total", "documentation": "The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest." } } }, "auth_ref": [ "r268", "r283", "r286", "r300", "r306", "r318", "r330", "r331", "r349", "r352", "r354", "r356", "r407", "r453", "r454", "r455", "r456", "r457", "r458", "r459", "r460", "r461", "r590", "r593", "r594", "r621", "r638", "r760", "r791", "r832", "r876", "r898", "r899", "r933", "r960", "r961", "r976", "r1107", "r1170" ] }, "us-gaap_PropertyPlantAndEquipmentAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "PropertyPlantAndEquipmentAbstract", "lang": { "en-us": { "role": { "terseLabel": "Property Plant And Equipment [Abstract]", "label": "Property, Plant and Equipment [Abstract]" } } }, "auth_ref": [] }, "us-gaap_PropertyPlantAndEquipmentByTypeAxis": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "PropertyPlantAndEquipmentByTypeAxis", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosurePremisesAndEquipmentSummaryOfPremisesAndEquipmentDetail" ], "lang": { "en-us": { "role": { "label": "Long-Lived Tangible Asset [Axis]", "documentation": "Information by type of long-lived, physical assets used to produce goods and services and not intended for resale." } } }, "auth_ref": [ "r12" ] }, "us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "PropertyPlantAndEquipmentDisclosureTextBlock", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/PremisesAndEquipment" ], "lang": { "en-us": { "role": { "terseLabel": "Premises and Equipment", "label": "Property, Plant and Equipment Disclosure [Text Block]", "documentation": "The entire disclosure for long-lived, physical asset used in normal conduct of business and not intended for resale. Includes, but is not limited to, work of art, historical treasure, and similar asset classified as collections." } } }, "auth_ref": [ "r166", "r230", "r233", "r234" ] }, "us-gaap_PropertyPlantAndEquipmentGross": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "PropertyPlantAndEquipmentGross", "crdr": "debit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosurePremisesAndEquipmentSummaryOfPremisesAndEquipmentDetail": { "parentTag": "us-gaap_PropertyPlantAndEquipmentNet", "weight": 1.0, "order": 0.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosurePremisesAndEquipmentSummaryOfPremisesAndEquipmentDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Premises and equipment, gross", "label": "Property, Plant and Equipment, Gross", "totalLabel": "Property, Plant and Equipment, Gross, Total", "periodStartLabel": "Property, Plant and Equipment, Gross, Beginning Balance", "periodEndLabel": "Property, Plant and Equipment, Gross, Ending Balance", "documentation": "Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures." } } }, "auth_ref": [ "r167", "r270", "r789" ] }, "us-gaap_PropertyPlantAndEquipmentLineItems": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "PropertyPlantAndEquipmentLineItems", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosurePremisesAndEquipmentAdditionalInformationDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosurePremisesAndEquipmentSummaryOfPremisesAndEquipmentDetail" ], "lang": { "en-us": { "role": { "label": "Property, Plant and Equipment [Line Items]", "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table." } } }, "auth_ref": [] }, "us-gaap_PropertyPlantAndEquipmentNet": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "PropertyPlantAndEquipmentNet", "crdr": "debit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedBalanceSheets": { "parentTag": "us-gaap_Assets", "weight": 1.0, "order": 7.0 }, "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosurePremisesAndEquipmentSummaryOfPremisesAndEquipmentDetail": { "parentTag": null, "weight": null, "order": null, "root": true } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedBalanceSheets", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosurePremisesAndEquipmentSummaryOfPremisesAndEquipmentDetail" ], "lang": { "en-us": { "role": { "totalLabel": "Premises and equipment, net", "terseLabel": "Premises and equipment, net", "label": "Property, Plant and Equipment, Net", "documentation": "Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures." } } }, "auth_ref": [ "r12", "r765", "r789", "r963" ] }, "us-gaap_PropertyPlantAndEquipmentPolicyTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "PropertyPlantAndEquipmentPolicyTextBlock", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/SummaryOfSignificantAccountingPoliciesPolicies" ], "lang": { "en-us": { "role": { "verboseLabel": "Premises and Equipment", "label": "Property, Plant and Equipment, Policy [Policy Text Block]", "documentation": "Disclosure of accounting policy for long-lived, physical asset used in normal conduct of business and not intended for resale. Includes, but is not limited to, work of art, historical treasure, and similar asset classified as collections." } } }, "auth_ref": [ "r12", "r230", "r233", "r787" ] }, "us-gaap_PropertyPlantAndEquipmentTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "PropertyPlantAndEquipmentTextBlock", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/PremisesAndEquipmentTables" ], "lang": { "en-us": { "role": { "terseLabel": "Summary of Premises and Equipment", "label": "Property, Plant and Equipment [Table Text Block]", "documentation": "Tabular disclosure of physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, balances by class of assets, depreciation and depletion expense and method used, including composite depreciation, and accumulated deprecation." } } }, "auth_ref": [ "r12" ] }, "us-gaap_PropertyPlantAndEquipmentTypeDomain": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "PropertyPlantAndEquipmentTypeDomain", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosurePremisesAndEquipmentSummaryOfPremisesAndEquipmentDetail" ], "lang": { "en-us": { "role": { "label": "Long-Lived Tangible Asset [Domain]", "documentation": "Listing of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale. Examples include land, buildings, machinery and equipment, and other types of furniture and equipment including, but not limited to, office equipment, furniture and fixtures, and computer equipment and software." } } }, "auth_ref": [ "r167" ] }, "bcow_ProvisionCreditForLoanLosses": { "xbrltype": "monetaryItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "ProvisionCreditForLoanLosses", "crdr": "debit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfCashFlows": { "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": 1.0, "order": 12.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfCashFlows" ], "lang": { "en-us": { "role": { "terseLabel": "Provision for credit losses", "label": "Provision Credit For Loan Losses", "documentation": "Provision (credit) for loan losses." } } }, "auth_ref": [] }, "bcow_ProvisionForCreditLossesLoansMember": { "xbrltype": "domainItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "ProvisionForCreditLossesLoansMember", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureLoansScheduleOfComponentsOfProvisionForCreditLossesDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureLoansSummaryOfActivityInAllowanceForLoanAndLeaseLossesDetail" ], "lang": { "en-us": { "role": { "verboseLabel": "Allowance for Credit Losses for Loans [Member]", "terseLabel": "Loans [Member]", "label": "Provision for Credit Losses Loans [Member]", "documentation": "Provision for credit losses loans." } } }, "auth_ref": [] }, "us-gaap_ProvisionForLoanAndLeaseLosses": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "ProvisionForLoanAndLeaseLosses", "crdr": "debit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfOperations": { "parentTag": "us-gaap_InterestIncomeExpenseAfterProvisionForLoanLoss", "weight": -1.0, "order": 1.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfOperations", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureLoansScheduleOfComponentsOfProvisionForCreditLossesDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureLoansSummaryOfActivityInAllowanceForLoanAndLeaseLossesDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Provision for loan losses", "verboseLabel": "Provision for credit losses", "label": "Provision for Loan and Lease Losses", "documentation": "Amount of expense related to estimated loss from loan and lease transactions." } } }, "auth_ref": [ "r10", "r21", "r199" ] }, "bcow_PurchaseAndRetirementOfCommonStock": { "xbrltype": "monetaryItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "PurchaseAndRetirementOfCommonStock", "crdr": "credit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfCashFlows": { "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivities", "weight": -1.0, "order": 14.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfCashFlows" ], "lang": { "en-us": { "role": { "negatedLabel": "Purchase and retirement of common stock", "label": "Purchase And Retirement Of Common Stock", "documentation": "Purchase and retirement of common stock." } } }, "auth_ref": [] }, "bcow_PutableAdvanceMaturingFebruaryTwoThousandThirtyFirstOptionDateFebruaryTwoThousandTwentyThreeMember": { "xbrltype": "domainItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "PutableAdvanceMaturingFebruaryTwoThousandThirtyFirstOptionDateFebruaryTwoThousandTwentyThreeMember", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/FhlbAdvancesAndOtherBorrowingsSummaryOfFederalHomeLoanBankAdvancesDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Putable advance, maturing February 2030 first option date February 2023 [Member]", "label": "Putable Advance Maturing February Two Thousand Thirty, First Option Date February Two Thousand Twenty Three [Member]", "documentation": "Putable advance maturing february two thousand thirty, first option date february two thousand twenty three." } } }, "auth_ref": [] }, "bcow_PutableAdvanceMaturingFebruaryTwoThousandTwentyEightFirstOptionDateFebruaryTwoThousandTwentyFourMember": { "xbrltype": "domainItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "PutableAdvanceMaturingFebruaryTwoThousandTwentyEightFirstOptionDateFebruaryTwoThousandTwentyFourMember", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/FhlbAdvancesAndOtherBorrowingsSummaryOfFederalHomeLoanBankAdvancesDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Putable advance, maturing February 2028 first option date February 2024 [Member]", "label": "Putable Advance Maturing February Two Thousand Twenty Eight First Option Date February Two Thousand Twenty Four [Member]", "documentation": "Putable advance maturing february two thousand twenty eight first option date february two thousand twenty four." } } }, "auth_ref": [] }, "bcow_PutableAdvanceMaturingJanuaryTwoThousandTwentyEightFirstOptionDateJanuaryTwoThousandTwentyFourMember": { "xbrltype": "domainItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "PutableAdvanceMaturingJanuaryTwoThousandTwentyEightFirstOptionDateJanuaryTwoThousandTwentyFourMember", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/FhlbAdvancesAndOtherBorrowingsSummaryOfFederalHomeLoanBankAdvancesDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Putable advance, maturing January 2028 first option date January 2024 [Member]", "label": "Putable Advance Maturing January Two Thousand Twenty Eight First Option Date January Two Thousand Twenty Four [Member]", "documentation": "Putable advance maturing january two thousand twenty eight first option date january two thousand twenty four." } } }, "auth_ref": [] }, "bcow_PutableAdvanceMaturingJulyThousandThousandTwentyNineFirstOptionDateJanuaryTwoThousandTwentyThreeMember": { "xbrltype": "domainItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "PutableAdvanceMaturingJulyThousandThousandTwentyNineFirstOptionDateJanuaryTwoThousandTwentyThreeMember", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/FhlbAdvancesAndOtherBorrowingsSummaryOfFederalHomeLoanBankAdvancesDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Putable advance, maturing July 2029 first option date January 2023 [Member]", "label": "Putable Advance Maturing July Thousand Thousand Twenty Nine First Option Date January Two Thousand Twenty Three [Member]", "documentation": "Putable advance maturing july thousand thousand twenty nine first option date january two thousand twenty three." } } }, "auth_ref": [] }, "bcow_PutableAdvanceMaturingMarchTwoThousandThirtyFirstOptionDateMarchTwoThousandTwentyFiveMember": { "xbrltype": "domainItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "PutableAdvanceMaturingMarchTwoThousandThirtyFirstOptionDateMarchTwoThousandTwentyFiveMember", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/FhlbAdvancesAndOtherBorrowingsSummaryOfFederalHomeLoanBankAdvancesDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Putable advance, maturing March 2030 first option date March 2025 [Member]", "label": "Putable Advance Maturing March Two Thousand Thirty First Option Date March Two Thousand Twenty Five [Member]", "documentation": "Putable advance maturing march two thousand thirty first option date march two thousand twenty five." } } }, "auth_ref": [] }, "bcow_PutableAdvanceMaturingMarchTwoThousandThirtyTwoFirstOptionDateMarchTwoThousandTwentySevenMember": { "xbrltype": "domainItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "PutableAdvanceMaturingMarchTwoThousandThirtyTwoFirstOptionDateMarchTwoThousandTwentySevenMember", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/FhlbAdvancesAndOtherBorrowingsSummaryOfFederalHomeLoanBankAdvancesDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Putable Advance, Maturing March 2032 First Option Date March 2027 [Member]", "label": "Putable Advance Maturing March Two Thousand Thirty Two First Option Date March Two Thousand Twenty Seven [Member]", "documentation": "Putable advance maturing march two thousand thirty two first option date march two thousand twenty Seven." } } }, "auth_ref": [] }, "bcow_PutableAdvanceMaturingMarchTwoThousandTwentyEightFirstOptionDateMarchTwoThousandTwentyFourMember": { "xbrltype": "domainItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "PutableAdvanceMaturingMarchTwoThousandTwentyEightFirstOptionDateMarchTwoThousandTwentyFourMember", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/FhlbAdvancesAndOtherBorrowingsSummaryOfFederalHomeLoanBankAdvancesDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Putable advance, maturing March 2028 first option date March 2024 [Member]", "label": "Putable Advance Maturing March Two Thousand Twenty Eight First Option Date March Two Thousand Twenty Four [Member]", "documentation": "Putable advance maturing march two thousand twenty eight first option date march two thousand twenty four." } } }, "auth_ref": [] }, "bcow_PutableAdvanceMaturingMayTwoThousandTwentyEightFirstOptionDateMayTwoThousandTwentyFourMember": { "xbrltype": "domainItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "PutableAdvanceMaturingMayTwoThousandTwentyEightFirstOptionDateMayTwoThousandTwentyFourMember", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/FhlbAdvancesAndOtherBorrowingsSummaryOfFederalHomeLoanBankAdvancesDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Putable advance, maturing May 2028 first option date May 2024 [Member]", "label": "Putable Advance Maturing May Two Thousand Twenty Eight First Option Date May Two Thousand Twenty Four [Member]", "documentation": "Putable advance maturing may two thousand twenty Eight first option date may two thousand twenty four." } } }, "auth_ref": [] }, "bcow_PutableAdvanceMaturingMayTwoThousandTwentySixFirstOptionDateMayTwoThousandTwentyFourMember": { "xbrltype": "domainItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "PutableAdvanceMaturingMayTwoThousandTwentySixFirstOptionDateMayTwoThousandTwentyFourMember", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/FhlbAdvancesAndOtherBorrowingsSummaryOfFederalHomeLoanBankAdvancesDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Putable advance, maturing May 2026 first option date May 2024 [Member]", "label": "Putable Advance Maturing May Two Thousand Twenty Six First Option Date May Two Thousand Twenty Four [Member]", "documentation": "Putable advance maturing may two thousand twenty six first option date may two thousand twenty four." } } }, "auth_ref": [] }, "bcow_PutableAdvanceMaturingOctoberTwoThousandTwentyNineFirstOptionDateJulyTwoThousandTwentyThreeMember": { "xbrltype": "domainItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "PutableAdvanceMaturingOctoberTwoThousandTwentyNineFirstOptionDateJulyTwoThousandTwentyThreeMember", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/FhlbAdvancesAndOtherBorrowingsSummaryOfFederalHomeLoanBankAdvancesDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Putable advance, maturing October 2029 first option date July 2023 [Member]", "label": "Putable Advance Maturing October Two Thousand Twenty Nine First Option Date July Two Thousand Twenty Three [Member]", "documentation": "Putable advance maturing october two thousand twenty nine first option date july two thousand twenty three." } } }, "auth_ref": [] }, "bcow_PutableFixedRateAdvanceMember": { "xbrltype": "domainItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "PutableFixedRateAdvanceMember", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/SummaryOfSignificantAccountingPoliciesAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "documentation": "Putable fixed rate advance.", "label": "Putable Fixed Rate Advance [Member]", "terseLabel": "Putable Fixed Rate Advance" } } }, "auth_ref": [] }, "ecd_PvpTable": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/ecd/2023", "localname": "PvpTable", "presentation": [ "http://xbrl.sec.gov/ecd/role/PvpDisclosure" ], "lang": { "en-us": { "role": { "label": "Pay vs Performance Disclosure [Table]", "terseLabel": "Pay vs Performance Disclosure" } } }, "auth_ref": [ "r1020" ] }, "ecd_PvpTableTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://xbrl.sec.gov/ecd/2023", "localname": "PvpTableTextBlock", "presentation": [ "http://xbrl.sec.gov/ecd/role/PvpDisclosure" ], "lang": { "en-us": { "role": { "label": "Pay vs Performance [Table Text Block]", "terseLabel": "Pay vs Performance Disclosure, Table" } } }, "auth_ref": [ "r1020" ] }, "srt_RangeAxis": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/srt/2023", "localname": "RangeAxis", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/FairValueScheduleOfQuantitativeInformationAboutNonrecurringLevel3FairValueMeasurementsDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/FhlbAdvancesAndOtherBorrowingsSummaryOfFederalHomeLoanBankAdvancesDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/IncomeTaxesAdditionalInformationDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/LoansAdditionalInformationDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/MortgageServicingRightsAdditionalInformationDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/NatureOfOperationsAndBasisOfPresentationAdditionalInformationDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/SummaryOfSignificantAccountingPoliciesAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Range [Axis]", "label": "Statistical Measurement [Axis]", "documentation": "Information by statistical measurement. Includes, but is not limited to, minimum, maximum, weighted average, arithmetic average, and median." } } }, "auth_ref": [ "r448", "r449", "r450", "r451", "r497", "r516", "r544", "r545", "r546", "r695", "r737", "r805", "r845", "r846", "r906", "r907", "r908", "r909", "r910", "r920", "r921", "r934", "r951", "r956", "r966", "r969", "r1162", "r1174", "r1225", "r1226", "r1227", "r1228", "r1229" ] }, "srt_RangeMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/srt/2023", "localname": "RangeMember", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/FairValueScheduleOfQuantitativeInformationAboutNonrecurringLevel3FairValueMeasurementsDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/FhlbAdvancesAndOtherBorrowingsSummaryOfFederalHomeLoanBankAdvancesDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/IncomeTaxesAdditionalInformationDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/LoansAdditionalInformationDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/MortgageServicingRightsAdditionalInformationDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/NatureOfOperationsAndBasisOfPresentationAdditionalInformationDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/SummaryOfSignificantAccountingPoliciesAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Range [Domain]", "label": "Statistical Measurement [Domain]", "documentation": "Statistical measurement. Includes, but is not limited to, minimum, maximum, weighted average, arithmetic average, and median." } } }, "auth_ref": [ "r448", "r449", "r450", "r451", "r497", "r516", "r544", "r545", "r546", "r695", "r737", "r805", "r845", "r846", "r906", "r907", "r908", "r909", "r910", "r920", "r921", "r934", "r951", "r956", "r966", "r969", "r1162", "r1174", "r1225", "r1226", "r1227", "r1228", "r1229" ] }, "bcow_RateLockCommitments": { "xbrltype": "monetaryItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "RateLockCommitments", "crdr": "debit", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/FairValueSummaryOfCarryingValuesAndEstimatedFairValuesOfFinancialInstrumentsDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Rate lock commitments", "label": "Rate lock commitments", "documentation": "Rate lock commitments" } } }, "auth_ref": [] }, "us-gaap_RealEstateLoanMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "RealEstateLoanMember", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureLoansSummaryOfInformationRegardingImpairedLoansDetails", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/LoansSummaryOfInformationRegardingImpairedLoansDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Commercial Real Estate [Member]", "label": "Real Estate Loan [Member]", "documentation": "Loan to finance the purchase of real estate, including but not limited to, land or building." } } }, "auth_ref": [] }, "us-gaap_RealEstateMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "RealEstateMember", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/LoansSummaryOfMajorClassificationsOfLoansDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Real Estate [Member]", "label": "Real Estate [Member]", "documentation": "Property consisting of land, land improvement and buildings." } } }, "auth_ref": [ "r1176" ] }, "us-gaap_ReceivablesAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "ReceivablesAbstract", "lang": { "en-us": { "role": { "label": "Receivables [Abstract]" } } }, "auth_ref": [] }, "ecd_RecoveryOfErrCompDisclosureLineItems": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/ecd/2023", "localname": "RecoveryOfErrCompDisclosureLineItems", "lang": { "en-us": { "role": { "label": "Recovery of Erroneously Awarded Compensation Disclosure [Line Items]", "terseLabel": "Recovery of Erroneously Awarded Compensation Disclosure" } } }, "auth_ref": [ "r986", "r998", "r1008", "r1034" ] }, "us-gaap_RegulatoryCapitalRequirementsUnderBankingRegulationsTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "RegulatoryCapitalRequirementsUnderBankingRegulationsTextBlock", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/EquityAndRegulatoryMatters" ], "lang": { "en-us": { "role": { "terseLabel": "Equity and Regulatory Matters", "label": "Regulatory Capital Requirements under Banking Regulations [Text Block]", "documentation": "The entire disclosure for regulatory capital requirement for depository and lending institutions. Institutions include, but not are not limited to, finance company, insured depository institution, bank holding company, savings and loan association holding company, bank and savings institution not federally insured, mortgage company, foreign financial institution and credit union." } } }, "auth_ref": [ "r766", "r767", "r768", "r770", "r771", "r772", "r774", "r775" ] }, "bcow_ReimbursementOfStockOfferingCosts": { "xbrltype": "monetaryItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "ReimbursementOfStockOfferingCosts", "crdr": "credit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureParentCompanyOnlyFinancialStatementsSummaryOfCondensedFinancialStatementsOfParentHoldingCompanyDetail3": { "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivities", "weight": -1.0, "order": 6.0 }, "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfCashFlows": { "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivities", "weight": -1.0, "order": 6.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfCashFlows", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfChangesInStockholdersEquity", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureParentCompanyOnlyFinancialStatementsSummaryOfCondensedFinancialStatementsOfParentHoldingCompanyDetail" ], "lang": { "en-us": { "role": { "negatedLabel": "Reimbursement of stock offering costs", "label": "Reimbursement Of Stock Offering Costs", "documentation": "Reimbursement Of Stock Offering Costs." } } }, "auth_ref": [] }, "us-gaap_RelatedPartyDepositLiabilities": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "RelatedPartyDepositLiabilities", "crdr": "credit", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/RelatedPartyTransactionsAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Deposits from directors, executive officers and affiliates", "label": "Related Party Deposit Liabilities", "documentation": "Amount of deposits held by the entity for a related party (entity, shareholder, employee)." } } }, "auth_ref": [ "r1120" ] }, "us-gaap_RelatedPartyDomain": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "RelatedPartyDomain", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/RelatedPartyTransactionsAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Related Party [Domain]", "label": "Related Party, Type [Domain]", "documentation": "Related parties include affiliates; other entities for which investments are accounted for by the equity method by the entity; trusts for benefit of employees; and principal owners, management, and members of immediate families. It also may include other parties with which the entity may control or can significantly influence the management or operating policies of the other to an extent that one of the transacting parties might be prevented from fully pursuing its own separate interests." } } }, "auth_ref": [ "r506", "r680", "r681", "r849", "r850", "r851", "r852", "r853", "r873", "r875", "r905" ] }, "us-gaap_RelatedPartyMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "RelatedPartyMember", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/RelatedPartyTransactionsAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "label": "Related Party [Member]", "documentation": "Party related to reporting entity. Includes, but is not limited to, affiliate, entity for which investment is accounted for by equity method, trust for benefit of employees, and principal owner, management, and members of immediate family." } } }, "auth_ref": [ "r308", "r309", "r680", "r681", "r682", "r683", "r849", "r850", "r851", "r852", "r853", "r873", "r875", "r905" ] }, "us-gaap_RelatedPartyTransactionLineItems": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "RelatedPartyTransactionLineItems", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/RelatedPartyTransactionsAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Related Party Transaction [Line Items]", "label": "Related Party Transaction [Line Items]", "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table." } } }, "auth_ref": [ "r880", "r881", "r884" ] }, "us-gaap_RelatedPartyTransactionsAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "RelatedPartyTransactionsAbstract", "lang": { "en-us": { "role": { "label": "Related Party Transactions [Abstract]" } } }, "auth_ref": [] }, "us-gaap_RelatedPartyTransactionsByRelatedPartyAxis": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "RelatedPartyTransactionsByRelatedPartyAxis", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/RelatedPartyTransactionsAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Related Party [Axis]", "label": "Related Party, Type [Axis]", "documentation": "Information by type of related party. Related parties include, but not limited to, affiliates; other entities for which investments are accounted for by the equity method by the entity; trusts for benefit of employees; and principal owners, management, and members of immediate families. It also may include other parties with which the entity may control or can significantly influence the management or operating policies of the other to an extent that one of the transacting parties might be prevented from fully pursuing its own separate interests." } } }, "auth_ref": [ "r506", "r680", "r681", "r743", "r744", "r745", "r746", "r747", "r748", "r749", "r750", "r751", "r752", "r753", "r754", "r849", "r850", "r851", "r852", "r853", "r873", "r875", "r905", "r1221" ] }, "us-gaap_RelatedPartyTransactionsDisclosureTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "RelatedPartyTransactionsDisclosureTextBlock", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/RelatedPartyTransactions" ], "lang": { "en-us": { "role": { "terseLabel": "Related Party Transactions", "label": "Related Party Transactions Disclosure [Text Block]", "documentation": "The entire disclosure for related party transactions. Examples of related party transactions include transactions between (a) a parent company and its subsidiary; (b) subsidiaries of a common parent; (c) and entity and its principal owners; and (d) affiliates." } } }, "auth_ref": [ "r677", "r678", "r679", "r681", "r684", "r829", "r830", "r831", "r882", "r883", "r884", "r903", "r904" ] }, "bcow_ReorganizationCostAndIssuingOfCommonStockDeferred": { "xbrltype": "monetaryItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "ReorganizationCostAndIssuingOfCommonStockDeferred", "crdr": "debit", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/SummaryOfSignificantAccountingPoliciesAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Reorganization Cost And Issuing Of Common Stock Deferred", "label": "Reorganization Cost And Issuing Of Common Stock Deferred", "documentation": "Reorganization Cost And Issuing Of Common Stock Deferred." } } }, "auth_ref": [] }, "us-gaap_RepaymentsOfFederalHomeLoanBankBorrowings": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "RepaymentsOfFederalHomeLoanBankBorrowings", "crdr": "credit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfCashFlows": { "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivities", "weight": -1.0, "order": 3.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfCashFlows" ], "lang": { "en-us": { "role": { "negatedLabel": "Principal payments on Federal Home Loan Bank advances", "label": "Payments of FHLBank Borrowings, Financing Activities", "documentation": "Amount of cash outflow for repayment of Federal Home Loan Bank (FHLBank) borrowing, classified as financing activity." } } }, "auth_ref": [ "r1114" ] }, "srt_RepurchaseAgreementCounterpartyNameDomain": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/srt/2023", "localname": "RepurchaseAgreementCounterpartyNameDomain", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/LoansAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Counterparty Name [Domain]", "label": "Counterparty Name [Domain]", "documentation": "Named other party that participates in a financial transaction. Examples include, but not limited to, the name of the financial institution." } } }, "auth_ref": [ "r310", "r311", "r465", "r481", "r683", "r927", "r928" ] }, "bcow_RepurchaseAndCancellationOfCommonStock": { "xbrltype": "monetaryItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "RepurchaseAndCancellationOfCommonStock", "crdr": "credit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfCashFlows": { "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivities", "weight": -1.0, "order": 13.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfCashFlows" ], "lang": { "en-us": { "role": { "negatedLabel": "Repurchase and cancellation of common stock", "label": "Repurchase And Cancellation Of Common Stock", "documentation": "Repurchase and cancellation of common stock." } } }, "auth_ref": [] }, "bcow_RepurchaseOfCommonStockForCancellation": { "xbrltype": "monetaryItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "RepurchaseOfCommonStockForCancellation", "crdr": "credit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfCashFlows": { "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivities", "weight": -1.0, "order": 7.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfCashFlows", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureParentCompanyOnlyFinancialStatementsSummaryOfCondensedFinancialStatementsOfParentHoldingCompanyDetail" ], "lang": { "en-us": { "role": { "documentation": "Repurchase of common stock for cancellation.", "label": "Repurchase Of Common Stock For Cancellation", "negatedLabel": "Repurchase of common stock for cancellation" } } }, "auth_ref": [] }, "bcow_ResidentialConstructionMember": { "xbrltype": "domainItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "ResidentialConstructionMember", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/LoansSummaryOfInformationRegardingTheCreditQualityIndicatorsForResidentialRealEstateAndConsumerLoansDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Residential Construction [Member]", "label": "Residential Construction [Member]", "documentation": "Residential Construction [Member]" } } }, "auth_ref": [] }, "bcow_ResidentialFirstMortgagesMember": { "xbrltype": "domainItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "ResidentialFirstMortgagesMember", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/LoansSummaryOfInformationRegardingTheCreditQualityIndicatorsForResidentialRealEstateAndConsumerLoansDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Residential First Mortgages [Member]", "label": "Residential First Mortgages [Member]", "documentation": "Residential First Mortgages [Member]" } } }, "auth_ref": [] }, "us-gaap_ResidentialMortgageMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "ResidentialMortgageMember", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureLoansSummaryOfActivityInAllowanceForLoanAndLeaseLossesDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureLoansSummaryOfAllowanceForLoanAndLeaseLossesForLoansEvaluatedIndividuallyAndCollectivelyForImpairmentDetails", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/LoansSummaryOfAllowanceForLoanAndLeaseLossesForLoansEvaluatedIndividuallyAndCollectivelyForImpairmentDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Residential [Member]", "label": "Residential Mortgage [Member]", "documentation": "Loan to purchase or refinance residential real estate for example, but not limited to, a home, in which the real estate itself serves as collateral for the loan." } } }, "auth_ref": [ "r943" ] }, "bcow_ResidentialReaLEstateAndConsumerHomeEquityAndLinesOfCreditMember": { "xbrltype": "domainItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "ResidentialReaLEstateAndConsumerHomeEquityAndLinesOfCreditMember", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureLoansSummaryOfInformationRegardingImpairedLoansDetails", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/LoansSummaryOfInformationRegardingImpairedLoansDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Residential real estate and consumer Home equity and lines of credit [Member]", "documentation": "Residential Rea L Estate And Consumer Home Equity And Lines Of Credit Member", "verboseLabel": "Residential real estate and consumer Home equity and lines of credit", "label": "Residential Rea lEstate And Consumer Home equity and lines of credit [Member]" } } }, "auth_ref": [] }, "bcow_ResidentialRealEstateAndConsumerFirstMortgageMember": { "xbrltype": "domainItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "ResidentialRealEstateAndConsumerFirstMortgageMember", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureLoansSummaryOfInformationRegardingImpairedLoansDetails", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/LoansSummaryOfInformationRegardingImpairedLoansDetail" ], "lang": { "en-us": { "role": { "documentation": "Residential Real Estate And Consumer First Mortgage Member", "verboseLabel": "Residential real estate and consumer First mortgage [Member]", "label": "Residential Real Estate And Consumer First Mortgage [Member]" } } }, "auth_ref": [] }, "bcow_ResidentialRealEstateConstructionMember": { "xbrltype": "domainItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "ResidentialRealEstateConstructionMember", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureLoansSummaryOfAmortizedCostBasisOfLoansByCreditQualityIndicatorAndOriginationYearDetails", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/LoansScheduleOfAnalysisOfPastDueLoansDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Residential Real Estate Construction [Member]", "label": "Residential Real Estate Construction [Member]", "documentation": "Residential real estate construction." } } }, "auth_ref": [] }, "bcow_ResidentialRealEstateFirstMortgagesMember": { "xbrltype": "domainItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "ResidentialRealEstateFirstMortgagesMember", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureLoansSummaryOfAmortizedCostBasisOfLoansByCreditQualityIndicatorAndOriginationYearDetails", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureLoansSummaryOfCollateralDependentLoansAndRelatedAclDetails", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureLoansSummaryOfInformationOnNonaccrualLoansDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/LoansScheduleOfAnalysisOfPastDueLoansDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Residential Real Estate First Mortgages [Member]", "label": "Residential Real Estate First Mortgages [Member]", "documentation": "Residential real estate first mortgages." } } }, "auth_ref": [] }, "us-gaap_ResidentialRealEstateMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "ResidentialRealEstateMember", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureLoansSummaryOfAmortizedCostBasisOfLoansByCreditQualityIndicatorAndOriginationYearDetails", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureLoansSummaryOfCollateralDependentLoansAndRelatedAclDetails", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/LoansSummaryOfMajorClassificationsOfLoansDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/SummaryOfSignificantAccountingPoliciesAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Residential Real Estate [Member]", "label": "Residential Real Estate [Member]", "documentation": "Property that is used as a home." } } }, "auth_ref": [ "r934", "r940", "r1177" ] }, "srt_RestatementAxis": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/srt/2023", "localname": "RestatementAxis", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/EmployeeStockOwnershipPlanAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "label": "Revision of Prior Period [Axis]", "documentation": "Information by adjustment to previously issued financial statements. Includes, but is not limited to, adjustment for retrospective application of amendment to accounting standards, other change in accounting principle, correction of error, and other revision." } } }, "auth_ref": [ "r265", "r313", "r314", "r315", "r318", "r319", "r322", "r323", "r324", "r325", "r327", "r328", "r329", "r330", "r331", "r332", "r345", "r415", "r416", "r576", "r615", "r619", "r620", "r621", "r660", "r675", "r676", "r808", "r809", "r810", "r811", "r812", "r813", "r814", "r815", "r816", "r817", "r818" ] }, "ecd_RestatementDateAxis": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/ecd/2023", "localname": "RestatementDateAxis", "presentation": [ "http://xbrl.sec.gov/ecd/role/ErrCompDisclosure" ], "lang": { "en-us": { "role": { "label": "Restatement Determination Date [Axis]", "terseLabel": "Restatement Determination Date:" } } }, "auth_ref": [ "r987", "r999", "r1009", "r1035" ] }, "ecd_RestatementDeterminationDate": { "xbrltype": "dateItemType", "nsuri": "http://xbrl.sec.gov/ecd/2023", "localname": "RestatementDeterminationDate", "presentation": [ "http://xbrl.sec.gov/ecd/role/ErrCompDisclosure" ], "lang": { "en-us": { "role": { "label": "Restatement Determination Date", "terseLabel": "Restatement Determination Date" } } }, "auth_ref": [ "r988", "r1000", "r1010", "r1036" ] }, "ecd_RestatementDoesNotRequireRecoveryTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://xbrl.sec.gov/ecd/2023", "localname": "RestatementDoesNotRequireRecoveryTextBlock", "presentation": [ "http://xbrl.sec.gov/ecd/role/ErrCompDisclosure" ], "lang": { "en-us": { "role": { "label": "Restatement Does Not Require Recovery [Text Block]", "terseLabel": "Restatement does not require Recovery" } } }, "auth_ref": [ "r995", "r1007", "r1017", "r1043" ] }, "srt_RestatementDomain": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/srt/2023", "localname": "RestatementDomain", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/EmployeeStockOwnershipPlanAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "label": "Revision of Prior Period [Domain]", "documentation": "Adjustment to previously issued financial statements. Includes, but is not limited to, adjustment for retrospective application of amendment to accounting standards, other change in accounting principle, correction of error, and other revision." } } }, "auth_ref": [ "r265", "r313", "r314", "r315", "r318", "r319", "r322", "r323", "r324", "r325", "r327", "r328", "r329", "r330", "r331", "r332", "r345", "r415", "r416", "r576", "r615", "r619", "r620", "r621", "r660", "r675", "r676", "r808", "r809", "r810", "r811", "r812", "r813", "r814", "r815", "r816", "r817", "r818" ] }, "us-gaap_RestrictedStockMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "RestrictedStockMember", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/StockBasedCompensationAdditionalInformationDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/StockBasedCompensationSummaryOfRestrictedStockUnitActivityParentheticalDetail" ], "lang": { "en-us": { "role": { "label": "Restricted Stock [Member]", "terseLabel": "Restricted Stock [Member]", "documentation": "Stock including a provision that prohibits sale or substantive sale of an equity instrument for a specified period of time or until specified performance conditions are met." } } }, "auth_ref": [ "r71" ] }, "us-gaap_RetainedEarningsAccumulatedDeficit": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "RetainedEarningsAccumulatedDeficit", "crdr": "credit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedBalanceSheets": { "parentTag": "us-gaap_StockholdersEquity", "weight": 1.0, "order": 0.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedBalanceSheets" ], "lang": { "en-us": { "role": { "terseLabel": "Retained earnings", "label": "Retained Earnings (Accumulated Deficit)", "totalLabel": "Retained Earnings (Accumulated Deficit), Total", "documentation": "Amount of accumulated undistributed earnings (deficit)." } } }, "auth_ref": [ "r144", "r169", "r785", "r812", "r817", "r825", "r856", "r963" ] }, "bcow_RetainedEarningsExcludingDeferredFederalOrStateIncomeTaxes": { "xbrltype": "monetaryItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "RetainedEarningsExcludingDeferredFederalOrStateIncomeTaxes", "crdr": "credit", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/IncomeTaxesAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "verboseLabel": "Retained Earnings", "label": "Retained Earnings Excluding Deferred Federal Or state Income Taxes", "documentation": "Amount represents the value of retained earnings excluding deferred federal or state income taxes." } } }, "auth_ref": [] }, "us-gaap_RetainedEarningsMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "RetainedEarningsMember", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfChangesInStockholdersEquity" ], "lang": { "en-us": { "role": { "verboseLabel": "Retained earnings", "label": "Retained Earnings [Member]", "documentation": "Accumulated undistributed earnings (deficit)." } } }, "auth_ref": [ "r264", "r313", "r314", "r315", "r319", "r329", "r331", "r414", "r420", "r553", "r554", "r555", "r575", "r576", "r602", "r605", "r606", "r609", "r619", "r808", "r810", "r833", "r1246" ] }, "bcow_RetirementOfCommonStock": { "xbrltype": "monetaryItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "RetirementOfCommonStock", "crdr": "debit", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfChangesInStockholdersEquity" ], "lang": { "en-us": { "role": { "label": "Retirement of common stock", "documentation": "Retirement of common stock." } } }, "auth_ref": [] }, "bcow_RetirementOfCommonStockIssuedOneValue": { "xbrltype": "monetaryItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "RetirementOfCommonStockIssuedOneValue", "crdr": "credit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureParentCompanyOnlyFinancialStatementsSummaryOfCondensedFinancialStatementsOfParentHoldingCompanyDetail3": { "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivities", "weight": -1.0, "order": 0.0 }, "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfCashFlows": { "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivities", "weight": -1.0, "order": 10.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfCashFlows", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureParentCompanyOnlyFinancialStatementsSummaryOfCondensedFinancialStatementsOfParentHoldingCompanyDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Retirement of common stock", "label": "Retirement Of Common Stock Issued One Value", "documentation": "Retirement of common stock issued one value.", "negatedLabel": "Retirement of common stock" } } }, "auth_ref": [] }, "bcow_RetirementOfTreasuryStockIssuedOneValue": { "xbrltype": "monetaryItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "RetirementOfTreasuryStockIssuedOneValue", "crdr": "credit", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfCashFlows" ], "lang": { "en-us": { "role": { "terseLabel": "Retirement of treasury stock", "label": "Retirement Of Treasury Stock Issued One Value", "documentation": "Retirement of treasury stock issued one value." } } }, "auth_ref": [] }, "us-gaap_RevenueFromContractWithCustomerPolicyTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "RevenueFromContractWithCustomerPolicyTextBlock", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/SummaryOfSignificantAccountingPoliciesPolicies" ], "lang": { "en-us": { "role": { "verboseLabel": "Revenue Recognition", "label": "Revenue from Contract with Customer [Policy Text Block]", "documentation": "Disclosure of accounting policy for revenue from contract with customer." } } }, "auth_ref": [ "r243", "r487", "r488", "r489", "r490", "r491", "r492", "r493", "r494", "r922" ] }, "us-gaap_RisksAndUncertaintiesAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "RisksAndUncertaintiesAbstract", "lang": { "en-us": { "role": { "label": "Risks and Uncertainties [Abstract]" } } }, "auth_ref": [] }, "us-gaap_RisksInherentInServicingAssetsAndServicingLiabilitiesLineItems": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "RisksInherentInServicingAssetsAndServicingLiabilitiesLineItems", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/MortgageServicingRightsAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Risks Inherent in Servicing Assets and Servicing Liabilities [Line Items]", "label": "Risks Inherent in Servicing Assets and Servicing Liabilities [Line Items]", "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table." } } }, "auth_ref": [] }, "ecd_Rule10b51ArrAdoptedFlag": { "xbrltype": "booleanItemType", "nsuri": "http://xbrl.sec.gov/ecd/2023", "localname": "Rule10b51ArrAdoptedFlag", "presentation": [ "http://xbrl.sec.gov/ecd/role/InsiderTradingArrangements" ], "lang": { "en-us": { "role": { "label": "Rule 10b5-1 Arrangement Adopted [Flag]", "terseLabel": "Rule 10b5-1 Arrangement Adopted" } } }, "auth_ref": [ "r1052" ] }, "ecd_Rule10b51ArrTrmntdFlag": { "xbrltype": "booleanItemType", "nsuri": "http://xbrl.sec.gov/ecd/2023", "localname": "Rule10b51ArrTrmntdFlag", "presentation": [ "http://xbrl.sec.gov/ecd/role/InsiderTradingArrangements" ], "lang": { "en-us": { "role": { "label": "Rule 10b5-1 Arrangement Terminated [Flag]", "terseLabel": "Rule 10b5-1 Arrangement Terminated" } } }, "auth_ref": [ "r1052" ] }, "srt_ScenarioPreviouslyReportedMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/srt/2023", "localname": "ScenarioPreviouslyReportedMember", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/EmployeeStockOwnershipPlanAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "label": "Previously Reported [Member]", "terseLabel": "Previously Reported [Member]", "documentation": "Represents amount as previously reported before adjustment for retrospective application of amendment to accounting standards, other change in accounting principle, correction of error, and other revision." } } }, "auth_ref": [ "r265", "r313", "r315", "r318", "r319", "r322", "r323", "r331", "r345", "r576", "r615", "r619", "r620", "r660", "r808", "r809", "r810", "r811", "r812", "r813", "r814", "r815", "r816", "r817", "r818", "r1064", "r1066", "r1067", "r1068", "r1127", "r1155", "r1156", "r1212", "r1218", "r1219" ] }, "us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "ScheduleOfAccountsNotesLoansAndFinancingReceivableTable", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureLoansSummaryOfInformationOnNonaccrualLoansDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/LoansAdditionalInformationDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/LoansSummaryOfMajorClassificationsOfLoansDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Schedule of Accounts, Notes, Loans and Financing Receivable [Table]", "label": "Schedule of Accounts, Notes, Loans and Financing Receivable [Table]", "documentation": "Schedule itemizing specific types of trade accounts and notes receivable, and for each the gross carrying value, allowance, and net carrying value as of the balance sheet date. Presentation is categorized by current, noncurrent and unclassified receivables." } } }, "auth_ref": [ "r51" ] }, "us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "ScheduleOfAccountsNotesLoansAndFinancingReceivableTextBlock", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/LoansTables" ], "lang": { "en-us": { "role": { "terseLabel": "Summary of Major Classifications of Loans", "label": "Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block]", "documentation": "Tabular disclosure of the various types of trade accounts and notes receivable and for each the gross carrying value, allowance, and net carrying value as of the balance sheet date. Presentation is categorized by current, noncurrent and unclassified receivables." } } }, "auth_ref": [ "r51" ] }, "us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "ScheduleOfAvailableForSaleSecuritiesLineItems", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/AvailableForSaleSecuritiesSummaryOfAmortizedCostsAndFairValuesOfSecuritiesAvailableForSaleByContractualMaturityDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/AvailableForSaleSecuritiesSummaryOfGrossUnrealizedLossesOnSecuritiesAvailableForSaleAndFairValuesDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureAvailableForSaleSecuritiesSummaryOfNumberOfDebtSecuritiesInAnUnrealizedLossPositionAndTheAggregateDepreciationDetails" ], "lang": { "en-us": { "role": { "terseLabel": "Debt Securities, Available-for-sale [Line Items]", "label": "Debt Securities, Available-for-Sale [Line Items]", "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table." } } }, "auth_ref": [ "r375", "r376", "r377", "r378", "r379", "r380", "r381", "r382", "r383", "r384", "r385", "r386" ] }, "bcow_ScheduleOfCollateralDependentLoansTableTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "ScheduleOfCollateralDependentLoansTableTextBlock", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/LoansTables" ], "lang": { "en-us": { "role": { "terseLabel": "Summary of Collateral Dependent Loans and Related ACL", "label": "Schedule of Collateral Dependent Loans [Table Text Block]", "documentation": "Schedule of collateral dependent loans." } } }, "auth_ref": [] }, "us-gaap_ScheduleOfComplianceWithRegulatoryCapitalRequirementsUnderBankingRegulationsTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "ScheduleOfComplianceWithRegulatoryCapitalRequirementsUnderBankingRegulationsTextBlock", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/EquityAndRegulatoryMattersTables" ], "lang": { "en-us": { "role": { "terseLabel": "Schedule of Banks Actual and Required Capital Amounts and Ratios", "label": "Schedule of Compliance with Regulatory Capital Requirements under Banking Regulations [Table Text Block]", "documentation": "Tabular disclosure of the capital amounts and ratios as of the balance sheet date, indicating whether the entity or entities are in compliance with regulatory capital requirements, by entity." } } }, "auth_ref": [ "r769", "r773" ] }, "us-gaap_ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/IncomeTaxesTables" ], "lang": { "en-us": { "role": { "terseLabel": "Schedule of Components of Income Tax Expense (Benefit)", "label": "Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]", "documentation": "Tabular disclosure of the components of income tax expense attributable to continuing operations for each year presented including, but not limited to: current tax expense (benefit), deferred tax expense (benefit), investment tax credits, government grants, the benefits of operating loss carryforwards, tax expense that results from allocating certain tax benefits either directly to contributed capital or to reduce goodwill or other noncurrent intangible assets of an acquired entity, adjustments of a deferred tax liability or asset for enacted changes in tax laws or rates or a change in the tax status of the entity, and adjustments of the beginning-of-the-year balances of a valuation allowance because of a change in circumstances that causes a change in judgment about the realizability of the related deferred tax asset in future years." } } }, "auth_ref": [ "r175" ] }, "srt_ScheduleOfCondensedFinancialStatementsTable": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/srt/2023", "localname": "ScheduleOfCondensedFinancialStatementsTable", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureParentCompanyOnlyFinancialStatementsSummaryOfCondensedFinancialStatementsOfParentHoldingCompanyDetail" ], "lang": { "en-us": { "role": { "label": "Condensed Financial Statements [Table]", "documentation": "Disclosure of information about condensed financial statements, including, but not limited to, the balance sheet, income statement, and statement of cash flows." } } }, "auth_ref": [ "r256", "r259", "r260", "r261", "r312", "r1062" ] }, "srt_ScheduleOfCondensedFinancialStatementsTableTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/srt/2023", "localname": "ScheduleOfCondensedFinancialStatementsTableTextBlock", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureParentCompanyOnlyFinancialStatementsTables" ], "lang": { "en-us": { "role": { "label": "Condensed Financial Statements [Table Text Block]", "terseLabel": "Summary of Condensed Financial Statements of Parent Holding Company", "documentation": "Tabular disclosure of condensed financial statements, including, but not limited to, the balance sheet, income statement, and statement of cash flows." } } }, "auth_ref": [ "r1097", "r1122" ] }, "us-gaap_ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/IncomeTaxesTables" ], "lang": { "en-us": { "role": { "terseLabel": "Schedule of Deferred Tax Assets and Liabilities", "label": "Schedule of Deferred Tax Assets and Liabilities [Table Text Block]", "documentation": "Tabular disclosure of the components of net deferred tax asset or liability recognized in an entity's statement of financial position, including the following: the total of all deferred tax liabilities, the total of all deferred tax assets, the total valuation allowance recognized for deferred tax assets." } } }, "auth_ref": [ "r174" ] }, "us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureEarningsLossPerShareEpsTables" ], "lang": { "en-us": { "role": { "terseLabel": "Schedule of Earnings Per Share, Basic and Diluted", "label": "Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]", "documentation": "Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations." } } }, "auth_ref": [ "r1129" ] }, "us-gaap_ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/IncomeTaxesTables" ], "lang": { "en-us": { "role": { "terseLabel": "Schedule of Effective Income Tax Rate Reconciliation", "label": "Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]", "documentation": "Tabular disclosure of the reconciliation using percentage or dollar amounts of the reported amount of income tax expense attributable to continuing operations for the year to the amount of income tax expense that would result from applying domestic federal statutory tax rates to pretax income from continuing operations." } } }, "auth_ref": [ "r173" ] }, "us-gaap_ScheduleOfEmployeeStockOwnershipPlanESOPDisclosuresTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "ScheduleOfEmployeeStockOwnershipPlanESOPDisclosuresTextBlock", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/EmployeeStockOwnershipPlanTable" ], "lang": { "en-us": { "role": { "verboseLabel": "Employee Stock Ownership Plan (ESOP) Disclosures", "label": "Employee Stock Ownership Plan (ESOP) Disclosures [Table Text Block]", "documentation": "Tabular disclosure of the details pertaining to each employee stock ownership plan." } } }, "auth_ref": [ "r104" ] }, "us-gaap_ScheduleOfFairValueOffBalanceSheetRisksTable": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "ScheduleOfFairValueOffBalanceSheetRisksTable", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureCommitmentsAndContingenciesSummaryOfContractAmountsOfCreditrelatedFinancialInstrumentsDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Schedule of Fair Value, Off-balance Sheet Risks [Table]", "label": "Schedule of Fair Value, off-Balance-Sheet Risks [Table]", "documentation": "Schedule detailing the information required and determined to be disclosed regarding the fair value of financial assets and financial liabilities, which are not recognized in the financial statements (off-balance sheet) because they fail to meet some other criterion for recognition." } } }, "auth_ref": [ "r120", "r183" ] }, "us-gaap_ScheduleOfFairValueOffBalanceSheetRisksTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "ScheduleOfFairValueOffBalanceSheetRisksTextBlock", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/CommitmentsAndContingenciesTables" ], "lang": { "en-us": { "role": { "label": "Schedule of Fair Value, off-Balance-Sheet Risks [Table Text Block]", "terseLabel": "Summary of Contract Amounts of Credit-related Financial Instruments", "documentation": "Tabular disclosure of the fair value of financial instruments (as defined), including financial assets and financial liabilities (collectively, as defined) which are not recognized in the financial statements (off-balance sheet) because they fail to meet some other criterion for recognition." } } }, "auth_ref": [ "r120", "r183" ] }, "us-gaap_ScheduleOfFinancingReceivableRecordedInvestmentCreditQualityIndicatorTable": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "ScheduleOfFinancingReceivableRecordedInvestmentCreditQualityIndicatorTable", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureLoansSummaryOfAmortizedCostBasisOfLoansByCreditQualityIndicatorAndOriginationYearDetails", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureLoansSummaryOfGrossChargeoffsOfLoansForPortfolioClassByOriginationYearDetails", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/LoansSummaryOfInformationRegardingTheCreditQualityIndicatorsForResidentialRealEstateAndConsumerLoansDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/LoansSummaryOfInternalRiskRatingsOfLoansDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Schedule of Financing Receivable, Recorded Investment, Credit Quality Indicator [Table]", "label": "Financing Receivable, Credit Quality Indicator [Table]", "documentation": "Disclosure of information about credit quality indicator for financing receivable." } } }, "auth_ref": [ "r943", "r1160" ] }, "us-gaap_ScheduleOfFinancingReceivablesNonAccrualStatusTableTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "ScheduleOfFinancingReceivablesNonAccrualStatusTableTextBlock", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/LoansTables" ], "lang": { "en-us": { "role": { "label": "Financing Receivable, Nonaccrual [Table Text Block]", "terseLabel": "Summary of Nonperforming Loans", "documentation": "Tabular disclosure of financing receivable on nonaccrual status." } } }, "auth_ref": [ "r84", "r426" ] }, "us-gaap_ScheduleOfFinancingReceivablesPastDueTable": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "ScheduleOfFinancingReceivablesPastDueTable", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/LoansScheduleOfAnalysisOfPastDueLoansDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Schedule of Financing Receivables Past Due [Table]", "label": "Financing Receivable, Past Due [Table]", "documentation": "Disclosure of information about aging analysis for financing receivable." } } }, "auth_ref": [ "r944", "r1159" ] }, "us-gaap_ScheduleOfImpairedFinancingReceivableTable": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "ScheduleOfImpairedFinancingReceivableTable", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureLoansSummaryOfInformationRegardingImpairedLoansDetails", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/LoansSummaryOfInformationRegardingImpairedLoansDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Schedule of Impaired Financing Receivable [Table]", "label": "Schedule of Impaired Financing Receivable [Table]", "documentation": "Schedule of the recorded investment, unpaid principal balance, associated allowance, average recorded investment, accounting policies, and interest income recognized on the accrual and cash basis for impaired financing receivables by class of financing receivable." } } }, "auth_ref": [ "r77" ] }, "bcow_ScheduleOfInterestExpenseOnDepositsTableTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "ScheduleOfInterestExpenseOnDepositsTableTextBlock", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DepositsTables" ], "lang": { "en-us": { "role": { "verboseLabel": "Interest Expense on Deposits", "label": "Schedule Of Interest Expense On Deposits [Table Text Block]", "documentation": "Tabular disclosure of schedule of interest expense decision." } } }, "auth_ref": [] }, "bcow_ScheduleOfLoansClassIndividuallyAndCollectivelyEvaluatedForImpairmentTableTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "ScheduleOfLoansClassIndividuallyAndCollectivelyEvaluatedForImpairmentTableTextBlock", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/LoansTables" ], "lang": { "en-us": { "role": { "terseLabel": "Summary of Allowance for Loan and Lease Losses for Loans Evaluated Individually and Collectively for Impairment", "label": "Schedule Of Loans Class Individually And Collectively Evaluated For Impairment [Table Text Block]", "documentation": "Schedule of loans class individually and collectively evaluated for impairment." } } }, "auth_ref": [] }, "us-gaap_ScheduleOfMaturitiesOfLongTermDebtTableTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "ScheduleOfMaturitiesOfLongTermDebtTableTextBlock", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/FhlbAdvancesAndOtherBorrowingsTables" ], "lang": { "en-us": { "role": { "terseLabel": "Schedule of Maturities of Federal Home Loan Bank Advances", "label": "Schedule of Maturities of Long-Term Debt [Table Text Block]", "documentation": "Tabular disclosure of maturity and sinking fund requirement for long-term debt." } } }, "auth_ref": [ "r13" ] }, "us-gaap_ScheduleOfPropertyPlantAndEquipmentTable": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "ScheduleOfPropertyPlantAndEquipmentTable", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosurePremisesAndEquipmentAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "label": "Property, Plant and Equipment [Table]", "documentation": "Disclosure of information about physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, balances by class of assets, depreciation and depletion expense and method used, including composite depreciation, and accumulated deprecation." } } }, "auth_ref": [ "r12" ] }, "us-gaap_ScheduleOfRealizedGainLossTableTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "ScheduleOfRealizedGainLossTableTextBlock", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/AvailableForSaleSecuritiesTables" ], "lang": { "en-us": { "role": { "terseLabel": "Summary of Proceeds from Sales of Securities Available-for-sale, as well as Gross Gains and Losses", "label": "Schedule of Realized Gain (Loss) [Table Text Block]", "documentation": "Tabular disclosure of the proceeds from sales of available-for-sale securities and the gross realized gains and gross realized losses that have been included in earnings as a result of those sales." } } }, "auth_ref": [ "r1149" ] }, "us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "ScheduleOfRelatedPartyTransactionsByRelatedPartyTable", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/RelatedPartyTransactionsAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Schedule of Related Party Transactions, by Related Party [Table]", "label": "Schedule of Related Party Transactions, by Related Party [Table]", "documentation": "Schedule of quantitative and qualitative information pertaining to related party transactions. Examples of related party transactions include transactions between (a) a parent company and its subsidiary; (b) subsidiaries of a common parent; (c) and entity and its principal owners; and (d) affiliates." } } }, "auth_ref": [ "r123", "r125", "r880", "r881", "r884" ] }, "us-gaap_ScheduleOfRelatedPartyTransactionsTableTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "ScheduleOfRelatedPartyTransactionsTableTextBlock", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/RelatedPartyTransactionsTables" ], "lang": { "en-us": { "role": { "terseLabel": "Summary of Loans to Directors, Executive Officers and Affiliates", "label": "Schedule of Related Party Transactions [Table Text Block]", "documentation": "Tabular disclosure of related party transactions. Examples of related party transactions include, but are not limited to, transactions between (a) a parent company and its subsidiary; (b) subsidiaries of a common parent; (c) and entity and its principal owners and (d) affiliates." } } }, "auth_ref": [] }, "us-gaap_ScheduleOfServicingAssetsAtAmortizedValueTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "ScheduleOfServicingAssetsAtAmortizedValueTextBlock", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/MortgageServicingRightsTables" ], "lang": { "en-us": { "role": { "label": "Servicing Asset at Amortized Cost [Table Text Block]", "terseLabel": "Summary of Changes in Balance of Mortgage Servicing Rights", "documentation": "Tabular disclosure of activity in the balance of servicing assets subsequently measured at amortized cost. Includes, but is not limited to, beginning and ending balances, additions, disposals, and amortization." } } }, "auth_ref": [ "r1231" ] }, "us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/StockBasedCompensationAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Share-based compensation arrangement by share-based payment award [Table]", "label": "Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table]", "documentation": "Disclosure of information about share-based payment arrangement." } } }, "auth_ref": [ "r518", "r520", "r522", "r523", "r524", "r525", "r526", "r527", "r528", "r529", "r530", "r531", "r532", "r533", "r534", "r535", "r536", "r537", "r538", "r539", "r540", "r541", "r542", "r543", "r544", "r545", "r546", "r547" ] }, "bcow_ScheduleOfShareBasedCompensationNonvestedStockOptionsActivityTableTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "ScheduleOfShareBasedCompensationNonvestedStockOptionsActivityTableTextBlock", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/StockBasedCompensationTables" ], "lang": { "en-us": { "role": { "terseLabel": "Summary of Nonvested Stock option Activity", "label": "Schedule of Share Based Compensation Nonvested Stock Options Activity [Table Text Block]", "documentation": "Schedule of Share Based Compensation Nonvested Stock Options Activity." } } }, "auth_ref": [] }, "bcow_ScheduleOfShareBasedCompensationRestrictedStockUnitsAwardActivityAbstract": { "xbrltype": "stringItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "ScheduleOfShareBasedCompensationRestrictedStockUnitsAwardActivityAbstract", "lang": { "en-us": { "role": { "documentation": "Schedule Of Share Based Compensation Restricted Stock Units Award Activity Abstract", "label": "Schedule Of Share Based Compensation Restricted Stock Units Award Activity [Abstract]" } } }, "auth_ref": [] }, "us-gaap_ScheduleOfShareBasedCompensationRestrictedStockUnitsAwardActivityTableTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "ScheduleOfShareBasedCompensationRestrictedStockUnitsAwardActivityTableTextBlock", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/StockBasedCompensationTables" ], "lang": { "en-us": { "role": { "terseLabel": "Summary of Restricted Stock Unit Activity", "label": "Share-Based Payment Arrangement, Restricted Stock Unit, Activity [Table Text Block]", "documentation": "Tabular disclosure of the number and weighted-average grant date fair value for restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock units that were granted, vested, or forfeited during the year." } } }, "auth_ref": [ "r100" ] }, "bcow_ScheduleOfShareBasedCompensationStockOptionsActivityAbstract": { "xbrltype": "stringItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "ScheduleOfShareBasedCompensationStockOptionsActivityAbstract", "lang": { "en-us": { "role": { "documentation": "Schedule Of Share Based Compensation Stock Options Activity Abstract", "label": "Schedule of share based compensation stock options activity [Abstract]" } } }, "auth_ref": [] }, "bcow_ScheduleOfShareBasedCompensationStockOptionsActivityLineItems": { "xbrltype": "stringItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "ScheduleOfShareBasedCompensationStockOptionsActivityLineItems", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/StockBasedCompensationSummaryOfStockOptionActivityDetail" ], "lang": { "en-us": { "role": { "documentation": "Schedule Of Share Based Compensation Stock Options Activity Line Items", "terseLabel": "Schedule of share based compensation stock options activity [Line Items]", "label": "Schedule Of Share Based Compensation Stock Options Activity [Line Items]" } } }, "auth_ref": [] }, "bcow_ScheduleOfShareBasedCompensationStockOptionsActivityTable": { "xbrltype": "stringItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "ScheduleOfShareBasedCompensationStockOptionsActivityTable", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/StockBasedCompensationSummaryOfStockOptionActivityDetail" ], "lang": { "en-us": { "role": { "documentation": "Schedule Of Share Based Compensation Stock Options Activity Table", "terseLabel": "Schedule of share based compensation stock options activity [Table]", "label": "Schedule Of Share Based Compensation Stock Options Activity [Table]" } } }, "auth_ref": [] }, "us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/StockBasedCompensationTables" ], "lang": { "en-us": { "role": { "terseLabel": "Summary of Stock Option Activity", "label": "Share-Based Payment Arrangement, Option, Activity [Table Text Block]", "documentation": "Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value." } } }, "auth_ref": [ "r32", "r33", "r100" ] }, "us-gaap_ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/StockBasedCompensationTables" ], "lang": { "en-us": { "role": { "terseLabel": "Summary of Assumptions Used in Estimating the Fair Value of Options Granted", "label": "Schedule of Share-Based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]", "documentation": "Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions." } } }, "auth_ref": [ "r172" ] }, "us-gaap_ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseTableTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseTableTextBlock", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/MortgageServicingRightsTables" ], "lang": { "en-us": { "role": { "terseLabel": "Summary of Estimated Future Amortization Expense for Mortgage Servicing Rights", "label": "Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]", "documentation": "Tabular disclosure of the amount of amortization expense expected to be recorded in succeeding fiscal years for finite-lived intangible assets." } } }, "auth_ref": [ "r90" ] }, "dei_Security12bTitle": { "xbrltype": "securityTitleItemType", "nsuri": "http://xbrl.sec.gov/dei/2023", "localname": "Security12bTitle", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/CoverPage" ], "lang": { "en-us": { "role": { "terseLabel": "Title of 12(b) Security", "label": "Title of 12(b) Security", "documentation": "Title of a 12(b) registered security." } } }, "auth_ref": [ "r979" ] }, "dei_SecurityExchangeName": { "xbrltype": "edgarExchangeCodeItemType", "nsuri": "http://xbrl.sec.gov/dei/2023", "localname": "SecurityExchangeName", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/CoverPage" ], "lang": { "en-us": { "role": { "terseLabel": "Security Exchange Name", "label": "Security Exchange Name", "documentation": "Name of the Exchange on which a security is registered." } } }, "auth_ref": [ "r982" ] }, "bcow_SelectedOtherOperatingLeaseInformationAbstract": { "xbrltype": "stringItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "SelectedOtherOperatingLeaseInformationAbstract", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosurePremisesAndEquipmentSummaryOfNetLeaseCostDetail" ], "lang": { "en-us": { "role": { "documentation": "Selected other operating lease information.", "label": "Selected Other Operating Lease Information [Abstract]", "terseLabel": "Selected other operating lease information:" } } }, "auth_ref": [] }, "bcow_ServiceChargesAndOtherFees": { "xbrltype": "monetaryItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "ServiceChargesAndOtherFees", "crdr": "credit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfOperations": { "parentTag": "us-gaap_NoninterestIncome", "weight": 1.0, "order": 0.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfOperations" ], "lang": { "en-us": { "role": { "terseLabel": "Service charges and other fees", "label": "Service Charges And Other Fees", "documentation": "Service charges and other fees." } } }, "auth_ref": [] }, "us-gaap_ServicingAssetAtAmortizedValue": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "ServicingAssetAtAmortizedValue", "crdr": "debit", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureMortgageServicingRightsSummaryOfChangesInBalanceOfMortgageServicingRightsDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Servicing assets at amortised cost", "periodStartLabel": "Mortgage servicing rights beginning balance", "periodEndLabel": "Mortgage servicing rights ending balance", "label": "Servicing Asset at Amortized Cost", "documentation": "Amortized amount of contract to service financial assets under which the benefits of servicing are expected to more than adequately compensate the servicer." } } }, "auth_ref": [ "r715", "r725", "r1063" ] }, "us-gaap_ServicingAssetAtAmortizedValueAdditions": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "ServicingAssetAtAmortizedValueAdditions", "crdr": "debit", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureMortgageServicingRightsSummaryOfChangesInBalanceOfMortgageServicingRightsDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Additions", "label": "Servicing Asset at Amortized Cost, Additions", "documentation": "Amount of additions from purchases, assumption or transfer to contract to service financial assets under which the benefits of servicing are expected to more than adequately compensate the servicer." } } }, "auth_ref": [ "r726" ] }, "us-gaap_ServicingAssetAtAmortizedValueAmortization1": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "ServicingAssetAtAmortizedValueAmortization1", "crdr": "debit", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureMortgageServicingRightsSummaryOfChangesInBalanceOfMortgageServicingRightsDetail" ], "lang": { "en-us": { "role": { "negatedLabel": "Amortization", "label": "Servicing Asset at Amortized Cost, Amortization", "documentation": "Amount of amortization of contract to service financial assets under which the benefits of servicing are expected to more than adequately compensate the servicer." } } }, "auth_ref": [ "r728" ] }, "us-gaap_ServicingAssetAtAmortizedValueBalanceRollForward": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "ServicingAssetAtAmortizedValueBalanceRollForward", "lang": { "en-us": { "role": { "terseLabel": "Servicing Asset At Amortized Value Balance Roll Forward", "label": "Servicing Asset at Amortized Cost, Balance [Roll Forward]", "documentation": "A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period." } } }, "auth_ref": [] }, "us-gaap_ServicingAssetAtAmortizedValueFairValue": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "ServicingAssetAtAmortizedValueFairValue", "crdr": "debit", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureMortgageServicingRightsSummaryOfChangesInBalanceOfMortgageServicingRightsDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Servicing assets at fair value", "periodStartLabel": "Fair value at beginning of period", "periodEndLabel": "Fair value at end of period", "label": "Servicing Asset at Amortized Cost, Fair Value", "documentation": "Fair value of contract to service financial assets under which the benefits of servicing are expected to more than adequately compensate the servicer." } } }, "auth_ref": [ "r117", "r732" ] }, "us-gaap_ServicingAssetAtAmortizedValueValuationAllowance": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "ServicingAssetAtAmortizedValueValuationAllowance", "crdr": "debit", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureMortgageServicingRightsSummaryOfChangesInBalanceOfMortgageServicingRightsDetail" ], "lang": { "en-us": { "role": { "label": "Servicing Asset at Amortized Cost, Increase (Decrease) for Valuation Allowance Adjustment", "negatedLabel": "Decrease in valuation allowance", "documentation": "Amount of increase (decrease) in the amortized amount from a decrease (increase) in the valuation allowance applied to the servicing asset for a contract to service financial assets under which the benefits of servicing are expected to more than adequately compensate the servicer." } } }, "auth_ref": [ "r729" ] }, "us-gaap_ServicingAssetsAndServicingLiabilitiesAtFairValueAssumptionsUsedToEstimateFairValueDiscountRate": { "xbrltype": "percentItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "ServicingAssetsAndServicingLiabilitiesAtFairValueAssumptionsUsedToEstimateFairValueDiscountRate", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/MortgageServicingRightsAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Discount rates used in valuation model", "label": "Servicing Assets and Servicing Liabilities at Fair Value, Assumptions Used to Estimate Fair Value, Discount Rate", "documentation": "Discount rate used to estimate the fair value of servicing assets and servicing liabilities." } } }, "auth_ref": [ "r964" ] }, "us-gaap_ServicingAssetsAndServicingLiabilitiesAtFairValueAssumptionsUsedToEstimateFairValuePrepaymentSpeed": { "xbrltype": "percentItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "ServicingAssetsAndServicingLiabilitiesAtFairValueAssumptionsUsedToEstimateFairValuePrepaymentSpeed", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/MortgageServicingRightsAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Prepayment speeds used in valuation model", "label": "Servicing Assets and Servicing Liabilities at Fair Value, Assumptions Used to Estimate Fair Value, Prepayment Speed", "documentation": "Estimated rate of prepayments of principal on servicing assets and servicing liabilities." } } }, "auth_ref": [ "r964" ] }, "us-gaap_ShareBasedCompensation": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "ShareBasedCompensation", "crdr": "debit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfCashFlows": { "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": 1.0, "order": 5.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfCashFlows" ], "lang": { "en-us": { "role": { "verboseLabel": "ESOP compensation", "label": "Share-Based Payment Arrangement, Noncash Expense", "totalLabel": "Share-Based Payment Arrangement, Noncash Expense, Total", "documentation": "Amount of noncash expense for share-based payment arrangement." } } }, "auth_ref": [ "r10" ] }, "bcow_ShareBasedCompensationArrangementAwardOptionForfeitureInPeriodTotalIntrinsicValue": { "xbrltype": "monetaryItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "ShareBasedCompensationArrangementAwardOptionForfeitureInPeriodTotalIntrinsicValue", "crdr": "debit", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/StockBasedCompensationSummaryOfStockOptionActivityDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Aggregate Intrinsic Value, Forfeited", "label": "Share Based Compensation Arrangement Award Option Forfeiture In Period Total Intrinsic Value", "documentation": "Share Based Compensation Arrangement Award Option Forfeiture In Period Total Intrinsic Value ." } } }, "auth_ref": [] }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1": { "xbrltype": "durationItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/EmployeeStockOwnershipPlanAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Vested Years Of Service", "label": "Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period", "documentation": "Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition." } } }, "auth_ref": [ "r957" ] }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod": { "xbrltype": "sharesItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/StockBasedCompensationSummaryOfRestrictedStockUnitActivityDetail" ], "lang": { "en-us": { "role": { "negatedLabel": "Forfeited", "label": "Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeited in Period", "documentation": "The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period." } } }, "auth_ref": [ "r538" ] }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue": { "xbrltype": "perShareItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/StockBasedCompensationSummaryOfRestrictedStockUnitActivityDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Forfeited", "label": "Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value", "documentation": "Weighted average fair value as of the grant date of equity-based award plans other than stock (unit) option plans that were not exercised or put into effect as a result of the occurrence of a terminating event." } } }, "auth_ref": [ "r538" ] }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod": { "xbrltype": "sharesItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/StockBasedCompensationSummaryOfRestrictedStockUnitActivityDetail" ], "lang": { "en-us": { "role": { "label": "Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period", "terseLabel": "Granted", "verboseLabel": "Shares granted as a nonqualified stock option inducement award", "documentation": "The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan)." } } }, "auth_ref": [ "r536" ] }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue": { "xbrltype": "perShareItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/StockBasedCompensationSummaryOfRestrictedStockUnitActivityDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Granted", "label": "Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value", "documentation": "The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan)." } } }, "auth_ref": [ "r536" ] }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber": { "xbrltype": "sharesItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedBalanceSheetsParenthetical", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/StockBasedCompensationSummaryOfRestrictedStockUnitActivityDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number", "periodStartLabel": "Nonvested", "periodEndLabel": "Nonvested", "label": "Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number", "documentation": "The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date." } } }, "auth_ref": [ "r533", "r534" ] }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue": { "xbrltype": "perShareItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/StockBasedCompensationSummaryOfRestrictedStockUnitActivityDetail" ], "lang": { "en-us": { "role": { "periodStartLabel": "Nonvested", "periodEndLabel": "Nonvested", "label": "Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value", "documentation": "Per share or unit weighted-average fair value of nonvested award under share-based payment arrangement. Excludes share and unit options." } } }, "auth_ref": [ "r533", "r534" ] }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod": { "xbrltype": "sharesItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/StockBasedCompensationSummaryOfNonvestedStockOptionActivityParentheticalDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/StockBasedCompensationSummaryOfRestrictedStockUnitActivityDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/StockBasedCompensationSummaryOfRestrictedStockUnitActivityParentheticalDetail" ], "lang": { "en-us": { "role": { "label": "Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period", "terseLabel": "Vested", "verboseLabel": "Shares vested under a nonqualified stock option inducement award", "negatedLabel": "Vested", "documentation": "The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period." } } }, "auth_ref": [ "r537" ] }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue": { "xbrltype": "perShareItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/StockBasedCompensationSummaryOfRestrictedStockUnitActivityDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Vested", "label": "Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value", "documentation": "The weighted average fair value as of grant date pertaining to an equity-based award plan other than a stock (or unit) option plan for which the grantee gained the right during the reporting period, by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash in accordance with the terms of the arrangement." } } }, "auth_ref": [ "r537" ] }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExercisePrice": { "xbrltype": "perShareItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExercisePrice", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/StockBasedCompensationSummaryOfAssumptionsUsedInEstimatingTheFairValueOfOptionsGrantedDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Weighted average per share value of options", "label": "Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Exercise Price", "documentation": "Agreed-upon price for the exchange of the underlying asset relating to the share-based payment award." } } }, "auth_ref": [] }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate": { "xbrltype": "percentItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/StockBasedCompensationSummaryOfAssumptionsUsedInEstimatingTheFairValueOfOptionsGrantedDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Dividend yield", "label": "Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Dividend Rate", "documentation": "The estimated dividend rate (a percentage of the share price) to be paid (expected dividends) to holders of the underlying shares over the option's term." } } }, "auth_ref": [ "r545" ] }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate": { "xbrltype": "percentItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/StockBasedCompensationSummaryOfAssumptionsUsedInEstimatingTheFairValueOfOptionsGrantedDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Expected volatility", "label": "Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Volatility Rate", "documentation": "The estimated measure of the percentage by which a share price is expected to fluctuate during a period. Volatility also may be defined as a probability-weighted measure of the dispersion of returns about the mean. The volatility of a share price is the standard deviation of the continuously compounded rates of return on the share over a specified period. That is the same as the standard deviation of the differences in the natural logarithms of the stock prices plus dividends, if any, over the period." } } }, "auth_ref": [ "r544" ] }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate": { "xbrltype": "percentItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/StockBasedCompensationSummaryOfAssumptionsUsedInEstimatingTheFairValueOfOptionsGrantedDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Risk-free interest rate", "label": "Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Risk Free Interest Rate", "documentation": "The risk-free interest rate assumption that is used in valuing an option on its own shares." } } }, "auth_ref": [ "r546" ] }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/EmployeeStockOwnershipPlanAdditionalInformationDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/StockBasedCompensationAdditionalInformationDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/StockBasedCompensationSummaryOfRestrictedStockUnitActivityParentheticalDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Share-based compensation arrangement by share-based payment award [Line Items]", "label": "Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]", "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table." } } }, "auth_ref": [ "r518", "r520", "r522", "r523", "r524", "r525", "r526", "r527", "r528", "r529", "r530", "r531", "r532", "r533", "r534", "r535", "r536", "r537", "r538", "r539", "r540", "r541", "r542", "r543", "r544", "r545", "r546", "r547" ] }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized": { "xbrltype": "sharesItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/StockBasedCompensationAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Stock based compensation number of shares authorized", "label": "Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Authorized", "documentation": "Number of shares authorized for issuance under share-based payment arrangement." } } }, "auth_ref": [ "r958" ] }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant": { "xbrltype": "sharesItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/StockBasedCompensationAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "label": "Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Available for Grant", "terseLabel": "Common stock available for grant", "documentation": "The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable." } } }, "auth_ref": [ "r99" ] }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber": { "xbrltype": "sharesItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/StockBasedCompensationSummaryOfStockOptionActivityDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Stock options - Options exercisable", "label": "Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Number", "documentation": "The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan." } } }, "auth_ref": [ "r527" ] }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice": { "xbrltype": "perShareItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/StockBasedCompensationSummaryOfStockOptionActivityDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Weighted Average Exercise Price - Options exercisable", "label": "Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Weighted Average Exercise Price", "documentation": "The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan." } } }, "auth_ref": [ "r527" ] }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue", "crdr": "debit", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/StockBasedCompensationSummaryOfStockOptionActivityDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Aggregate Intrinsic Value - Exercised", "label": "Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period, Intrinsic Value", "documentation": "Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares." } } }, "auth_ref": [ "r540" ] }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod": { "xbrltype": "sharesItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/StockBasedCompensationSummaryOfStockOptionActivityDetail" ], "lang": { "en-us": { "role": { "negatedLabel": "Stock options - Shares forfeited", "label": "Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Forfeitures in Period", "documentation": "The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan." } } }, "auth_ref": [ "r531" ] }, "bcow_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantedIntrinsicValue": { "xbrltype": "monetaryItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantedIntrinsicValue", "crdr": "debit", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/StockBasedCompensationSummaryOfStockOptionActivityDetail" ], "lang": { "en-us": { "role": { "documentation": "Share-based compensation arrangement by share-based payment award, options, granted intrinsic value.", "label": "Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Granted Intrinsic Value", "terseLabel": "Aggregate Intrinsic Value - Granted" } } }, "auth_ref": [] }, "bcow_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantedWeightedAverageRemainingContractualTerm1": { "xbrltype": "durationItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantedWeightedAverageRemainingContractualTerm1", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/StockBasedCompensationSummaryOfStockOptionActivityDetail" ], "lang": { "en-us": { "role": { "documentation": "Share based Compensation Arrangement By Share based Payment Award Options Granted Weighted Average Remaining Contractual Term 1", "label": "Share based Compensation Arrangement By Share based Payment Award Options Granted Weighted Average Remaining Contractual Term 1", "terseLabel": "Weighted Average Remaining Contractual Term (Years) - Options granted" } } }, "auth_ref": [] }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGrantDateIntrinsicValue": { "xbrltype": "perShareItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGrantDateIntrinsicValue", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/StockBasedCompensationSummaryOfStockOptionActivityDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Aggregate Intrinsic Value - Granted", "label": "Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Grant Date Intrinsic Value", "documentation": "The grant-date intrinsic value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology." } } }, "auth_ref": [ "r539" ] }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross": { "xbrltype": "sharesItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/StockBasedCompensationSummaryOfStockOptionActivityDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Stock options - Shares granted", "label": "Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross", "documentation": "Gross number of share options (or share units) granted during the period." } } }, "auth_ref": [ "r529" ] }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue": { "xbrltype": "perShareItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/StockBasedCompensationSummaryOfNonvestedStockOptionActivityDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Granted", "label": "Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value", "documentation": "The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology." } } }, "auth_ref": [ "r539" ] }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue", "crdr": "debit", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/StockBasedCompensationSummaryOfStockOptionActivityDetail" ], "lang": { "en-us": { "role": { "periodEndLabel": "Aggregate Intrinsic Value - Ending", "label": "Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Intrinsic Value", "periodStartLabel": "Aggregate Intrinsic Value - Beginning", "documentation": "Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding." } } }, "auth_ref": [ "r99" ] }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber": { "xbrltype": "sharesItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/StockBasedCompensationSummaryOfStockOptionActivityDetail" ], "lang": { "en-us": { "role": { "periodStartLabel": "Stock options - Beginning", "periodEndLabel": "Stock options - Ending", "label": "Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Number", "documentation": "Number of options outstanding, including both vested and non-vested options." } } }, "auth_ref": [ "r525", "r526" ] }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice": { "xbrltype": "perShareItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/StockBasedCompensationSummaryOfStockOptionActivityDetail" ], "lang": { "en-us": { "role": { "periodStartLabel": "Weighted Average Exercise Price - Beginning", "periodEndLabel": "Weighted Average Exercise Price - Ending", "label": "Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price", "documentation": "Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan." } } }, "auth_ref": [ "r525", "r526" ] }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber": { "xbrltype": "sharesItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedBalanceSheetsParenthetical" ], "lang": { "en-us": { "role": { "terseLabel": "Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Number", "label": "Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Outstanding, Number", "documentation": "Number of fully vested and expected to vest options outstanding that can be converted into shares under option plan. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur." } } }, "auth_ref": [ "r541" ] }, "bcow_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedSharesExpired": { "xbrltype": "sharesItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedSharesExpired", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/StockBasedCompensationSummaryOfStockOptionActivityDetail" ], "lang": { "en-us": { "role": { "negatedLabel": "Stock Options- Vested Shares Expired", "documentation": "Share based compensation arrangement by share based payment award options vested shares expired.", "terseLabel": "Stock Options- Vested Shares Expired", "label": "Share Based Compensation Arrangement By Share Based Payment Award Options Vested Shares Expired" } } }, "auth_ref": [] }, "us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/StockBasedCompensationAdditionalInformationDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/StockBasedCompensationSummaryOfRestrictedStockUnitActivityParentheticalDetail", "http://xbrl.sec.gov/ecd/role/AwardTimingDisclosure" ], "lang": { "en-us": { "role": { "label": "All Award Types", "terseLabel": "All Award Types", "documentation": "Award under share-based payment arrangement." } } }, "auth_ref": [ "r522", "r523", "r524", "r525", "r526", "r527", "r528", "r529", "r530", "r531", "r532", "r533", "r534", "r535", "r536", "r537", "r538", "r539", "r540", "r541", "r542", "r543", "r544", "r545", "r546", "r547" ] }, "us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice": { "xbrltype": "perShareItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/StockBasedCompensationSummaryOfStockOptionActivityDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Weighted Average Exercise Price - Exercised", "label": "Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price", "documentation": "Weighted average price at which option holders acquired shares when converting their stock options into shares." } } }, "auth_ref": [ "r530" ] }, "us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice": { "xbrltype": "perShareItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/StockBasedCompensationSummaryOfStockOptionActivityDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Weighted Average Exercise Price - Forfeited", "label": "Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Forfeitures in Period, Weighted Average Exercise Price", "documentation": "Weighted average price at which grantees could have acquired the underlying shares with respect to stock options that were terminated." } } }, "auth_ref": [ "r531" ] }, "us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice": { "xbrltype": "perShareItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/StockBasedCompensationSummaryOfStockOptionActivityDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Weighted Average Exercise Price - Granted", "label": "Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Grants in Period, Weighted Average Exercise Price", "documentation": "Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options." } } }, "auth_ref": [ "r529" ] }, "bcow_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsVestedSharesExpiredInPeriodWeightedAverageExercisePrice": { "xbrltype": "perShareItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsVestedSharesExpiredInPeriodWeightedAverageExercisePrice", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/StockBasedCompensationSummaryOfStockOptionActivityDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Weighted Average Exercise Price - Vested Shares Expired", "label": "Share Based Compensation Arrangements By Share Based Payment Award Options Vested Shares Expired In Period Weighted Average Exercise Price", "documentation": "Share based compensation arrangements by share based payment award options vested shares expired in period weighted average exercise price." } } }, "auth_ref": [] }, "us-gaap_ShareBasedCompensationAwardTrancheOneMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "ShareBasedCompensationAwardTrancheOneMember", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedBalanceSheetsParenthetical", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/EmployeeStockOwnershipPlanAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Share-based Compensation Award, Tranche One [Member]", "label": "Share-Based Payment Arrangement, Tranche One [Member]", "documentation": "First portion of award under share-based payment arrangement differentiated by vesting feature, including, but not limited to, performance measure or service period." } } }, "auth_ref": [] }, "us-gaap_ShareBasedCompensationAwardTrancheThreeMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "ShareBasedCompensationAwardTrancheThreeMember", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/EmployeeStockOwnershipPlanAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "label": "Share-Based Payment Arrangement, Tranche Three [Member]", "terseLabel": "Share-based Compensation Award, Tranche Three [Member]", "documentation": "Third portion of award under share-based payment arrangement differentiated by vesting feature, including, but not limited to, performance measure or service period." } } }, "auth_ref": [] }, "us-gaap_ShareBasedCompensationAwardTrancheTwoMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "ShareBasedCompensationAwardTrancheTwoMember", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedBalanceSheetsParenthetical", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/EmployeeStockOwnershipPlanAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Share-based Compensation Award, Tranche Two [Member]", "label": "Share-Based Payment Arrangement, Tranche Two [Member]", "documentation": "Second portion of award under share-based payment arrangement differentiated by vesting feature, including, but not limited to, performance measure or service period." } } }, "auth_ref": [] }, "bcow_SharebasedCompensationArrangementByShareBasedPaymentAwardOptionsNonvestedVestedNumberOfShares": { "xbrltype": "sharesItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "SharebasedCompensationArrangementByShareBasedPaymentAwardOptionsNonvestedVestedNumberOfShares", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/StockBasedCompensationSummaryOfNonvestedStockOptionActivityDetail" ], "lang": { "en-us": { "role": { "negatedLabel": "Vested", "terseLabel": "Vested", "label": "ShareBased Compensation Arrangement By Share Based Payment Award Options Nonvested Vested Number Of Shares", "documentation": "Share based compensation arrangement by share based payment award options nonvested vested number of shares." } } }, "auth_ref": [] }, "us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage": { "xbrltype": "percentItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/EmployeeStockOwnershipPlanAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Vested Percentage", "label": "Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Rights, Percentage", "documentation": "Percentage of vesting of award under share-based payment arrangement." } } }, "auth_ref": [ "r1178" ] }, "us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1": { "xbrltype": "durationItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/StockBasedCompensationSummaryOfAssumptionsUsedInEstimatingTheFairValueOfOptionsGrantedDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Weighted average expected life (years)", "label": "Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Term", "documentation": "Expected term of award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days." } } }, "auth_ref": [ "r543" ] }, "us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1", "crdr": "debit", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/StockBasedCompensationSummaryOfStockOptionActivityDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Aggregate Intrinsic Value - Options exercisable", "label": "Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Intrinsic Value", "documentation": "Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of vested portions of options outstanding and currently exercisable." } } }, "auth_ref": [ "r99" ] }, "us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1": { "xbrltype": "durationItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/StockBasedCompensationSummaryOfStockOptionActivityDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Weighted Average Remaining Contractual Term (Years) - Options exercisable", "label": "Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term", "documentation": "Weighted average remaining contractual term for vested portions of options outstanding and currently exercisable or convertible, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days." } } }, "auth_ref": [ "r99" ] }, "us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares": { "xbrltype": "sharesItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/StockBasedCompensationSummaryOfNonvestedStockOptionActivityDetail" ], "lang": { "en-us": { "role": { "periodStartLabel": "Nonvested", "periodEndLabel": "Nonvested", "label": "Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Nonvested, Number of Shares", "documentation": "Number of non-vested options outstanding." } } }, "auth_ref": [] }, "us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsForfeitedNumberOfShares": { "xbrltype": "sharesItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsForfeitedNumberOfShares", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/StockBasedCompensationSummaryOfNonvestedStockOptionActivityDetail" ], "lang": { "en-us": { "role": { "negatedLabel": "Forfeited", "label": "Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Nonvested Options Forfeited, Number of Shares", "documentation": "Number of non-vested options forfeited." } } }, "auth_ref": [] }, "us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsForfeitedWeightedAverageGrantDateFairValue": { "xbrltype": "perShareItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsForfeitedWeightedAverageGrantDateFairValue", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/StockBasedCompensationSummaryOfNonvestedStockOptionActivityDetail" ], "lang": { "en-us": { "role": { "verboseLabel": "Forfeited", "label": "Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Nonvested Options Forfeited, Weighted Average Grant Date Fair Value", "documentation": "Weighted average grant-date fair value of non-vested options forfeited." } } }, "auth_ref": [] }, "us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue": { "xbrltype": "perShareItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/StockBasedCompensationSummaryOfNonvestedStockOptionActivityDetail" ], "lang": { "en-us": { "role": { "periodStartLabel": "Nonvested", "periodEndLabel": "Nonvested", "label": "Share-Based Compensation Arrangement by Share-Based Payment Award, Option, Nonvested, Weighted Average Exercise Price", "documentation": "Weighted average grant-date fair value of non-vested options outstanding." } } }, "auth_ref": [] }, "us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2": { "xbrltype": "durationItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/StockBasedCompensationSummaryOfStockOptionActivityDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Weighted Average Remaining Contractual Term (Years)", "label": "Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term", "documentation": "Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days." } } }, "auth_ref": [ "r171" ] }, "us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1", "crdr": "credit", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/StockBasedCompensationAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested in Period, Fair Value", "label": "Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested in Period, Fair Value", "verboseLabel": "Estimated weighted average grant-date fair value of options granted", "documentation": "Fair value of options vested. Excludes equity instruments other than options, for example, but not limited to, share units, stock appreciation rights, restricted stock." } } }, "auth_ref": [ "r540" ] }, "us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedWeightedAverageGrantDateFairValue": { "xbrltype": "perShareItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedWeightedAverageGrantDateFairValue", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/StockBasedCompensationSummaryOfNonvestedStockOptionActivityDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Vested", "label": "Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested, Weighted Average Grant Date Fair Value", "documentation": "Weighted average grant-date fair value of options vested." } } }, "auth_ref": [] }, "bcow_SharebasedCompensationArrangementEquityInstrumentsOtherThanOptionsVestedRealtedToSharesSurrendersToCoverPayrollTaxesInPeriod": { "xbrltype": "sharesItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "SharebasedCompensationArrangementEquityInstrumentsOtherThanOptionsVestedRealtedToSharesSurrendersToCoverPayrollTaxesInPeriod", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/StockBasedCompensationSummaryOfRestrictedStockUnitActivityParentheticalDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Restrcited shares vested related to shares surrenders to cover payroll taxes", "label": "Sharebased Compensation Arrangement Equity Instruments Other Than Options Vested Realted To Shares Surrenders To Cover Payroll Taxes In Period", "documentation": "ShareBased compensation arrangement equity instruments other than options vested realted to shares surrenders to cover payroll taxes in period." } } }, "auth_ref": [] }, "bcow_SharebasedCompensationAwardTrancheFiveMember": { "xbrltype": "domainItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "SharebasedCompensationAwardTrancheFiveMember", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/EmployeeStockOwnershipPlanAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "documentation": "Sharebased Compensation Award Tranche Five Member", "terseLabel": "Share-based Compensation Award Tranche Five [Member]", "label": "Sharebased Compensation Award Tranche Five [Member]" } } }, "auth_ref": [] }, "bcow_SharebasedCompensationAwardTrancheFourMember": { "xbrltype": "domainItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "SharebasedCompensationAwardTrancheFourMember", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/EmployeeStockOwnershipPlanAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "documentation": "Sharebased Compensation Award Tranche Four Member", "terseLabel": "Share-based Compensation Award Tranche Four [Member]", "label": "Sharebased Compensation Award Tranche Four [Member]" } } }, "auth_ref": [] }, "bcow_Sharebasedcompensationarrangementbysharebasedpaymentawardoptionsnonvestedgrantednumberofshares": { "xbrltype": "sharesItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "Sharebasedcompensationarrangementbysharebasedpaymentawardoptionsnonvestedgrantednumberofshares", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/StockBasedCompensationSummaryOfNonvestedStockOptionActivityDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Granted", "label": "Sharebasedcompensationarrangementbysharebasedpaymentawardoptionsnonvestedgrantednumberofshares", "documentation": "Share based compensation arrangement by share based payment award options nonvested granted number of shares." } } }, "auth_ref": [] }, "bcow_SharesCommittedToBeReleased": { "xbrltype": "sharesItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "SharesCommittedToBeReleased", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/EmployeeStockOwnershipPlanEmployeeStockOwnershipPlanEsopDisclosuresDetail" ], "lang": { "en-us": { "role": { "verboseLabel": "Shares committed to be released", "label": "Shares committed to be released", "documentation": "Shares committed to be released." } } }, "auth_ref": [] }, "us-gaap_ShortTermDebtTypeAxis": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "ShortTermDebtTypeAxis", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/CashAndDueFromBanksAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "label": "Short-Term Debt, Type [Axis]", "documentation": "Information by type of short-term debt arrangement." } } }, "auth_ref": [ "r44" ] }, "us-gaap_ShortTermDebtTypeDomain": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "ShortTermDebtTypeDomain", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/CashAndDueFromBanksAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "label": "Short-Term Debt, Type [Domain]", "documentation": "Type of short-term debt arrangement, such as notes, line of credit, commercial paper, asset-based financing, project financing, letter of credit financing." } } }, "auth_ref": [ "r42" ] }, "us-gaap_SignificantAccountingPoliciesTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "SignificantAccountingPoliciesTextBlock", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/SummaryOfSignificantAccountingPolicies" ], "lang": { "en-us": { "role": { "terseLabel": "Summary of Significant Accounting Policies", "label": "Significant Accounting Policies [Text Block]", "documentation": "The entire disclosure for all significant accounting policies of the reporting entity." } } }, "auth_ref": [ "r158", "r305" ] }, "bcow_SofrFloaterAdvanceMaturingOctoberTwoThousandTwentyFourMember": { "xbrltype": "domainItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "SofrFloaterAdvanceMaturingOctoberTwoThousandTwentyFourMember", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/FhlbAdvancesAndOtherBorrowingsSummaryOfFederalHomeLoanBankAdvancesDetail" ], "lang": { "en-us": { "role": { "terseLabel": "SOFR Floater advance, maturing October 2024 [Member]", "label": "Sofr Floater Advance Maturing October Two Thousand Twenty Four [Member]", "documentation": "Sofr floater advance maturing october two thousand twenty four." } } }, "auth_ref": [] }, "bcow_SofrFloaterAdvanceMaturingOctoberTwoThousandTwentyThreeMember": { "xbrltype": "domainItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "SofrFloaterAdvanceMaturingOctoberTwoThousandTwentyThreeMember", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/FhlbAdvancesAndOtherBorrowingsSummaryOfFederalHomeLoanBankAdvancesDetail" ], "lang": { "en-us": { "role": { "terseLabel": "SOFR Floater advance, maturing October 2023 [Member]", "label": "Sofr Floater Advance Maturing October Two Thousand Twenty Three [Member]", "documentation": "Sofr floater advance maturing october two thousand twenty three." } } }, "auth_ref": [] }, "us-gaap_SpecialMentionMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "SpecialMentionMember", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/LoansSummaryOfInternalRiskRatingsOfLoansDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Watch and Special Mention [Member]", "label": "Special Mention [Member]", "documentation": "A category of financing receivables considered to have potential weaknesses that deserve management's close attention. If left uncorrected, those potential weaknesses may result in a deterioration of the repayment prospects for the asset or of the creditor's position at some future date." } } }, "auth_ref": [ "r83", "r1160" ] }, "us-gaap_StandbyLettersOfCreditMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "StandbyLettersOfCreditMember", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureCommitmentsAndContingenciesSummaryOfContractAmountsOfCreditrelatedFinancialInstrumentsDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Standby Letters of Credit [Member]", "label": "Standby Letters of Credit [Member]", "documentation": "An irrevocable undertaking (typically by a financial institution) to guarantee payment of a specified financial obligation." } } }, "auth_ref": [ "r1", "r1168", "r1240", "r1241" ] }, "us-gaap_StateAndLocalJurisdictionMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "StateAndLocalJurisdictionMember", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/IncomeTaxesAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "label": "State and Local Jurisdiction [Member]", "documentation": "Designated tax department of a state or local government entitled to levy and collect income taxes from the entity." } } }, "auth_ref": [] }, "us-gaap_StatementClassOfStockAxis": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "StatementClassOfStockAxis", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/CashAndDueFromBanksAdditionalInformationDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DeferredCompensationAdditionalInformationDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosurePremisesAndEquipmentSummaryOfPremisesAndEquipmentDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/IncomeTaxesAdditionalInformationDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/NatureOfOperationsAndBasisOfPresentationAdditionalInformationDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/StockBasedCompensationSummaryOfNonvestedStockOptionActivityParentheticalDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/StockBasedCompensationSummaryOfRestrictedStockUnitActivityParentheticalDetail" ], "lang": { "en-us": { "role": { "label": "Class of Stock [Axis]", "documentation": "Information by the different classes of stock of the entity." } } }, "auth_ref": [ "r244", "r275", "r276", "r277", "r306", "r336", "r337", "r339", "r341", "r347", "r348", "r407", "r453", "r455", "r456", "r457", "r460", "r461", "r479", "r480", "r482", "r483", "r485", "r638", "r821", "r822", "r823", "r824", "r833", "r834", "r835", "r836", "r837", "r838", "r839", "r840", "r841", "r842", "r843", "r844", "r855", "r877", "r900", "r911", "r912", "r913", "r914", "r915", "r1061", "r1116", "r1128" ] }, "us-gaap_StatementEquityComponentsAxis": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "StatementEquityComponentsAxis", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfChangesInStockholdersEquity", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/NatureOfOperationsAndBasisOfPresentationAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "label": "Equity Components [Axis]", "documentation": "Information by component of equity." } } }, "auth_ref": [ "r28", "r50", "r264", "r289", "r290", "r291", "r313", "r314", "r315", "r319", "r329", "r331", "r346", "r414", "r420", "r486", "r553", "r554", "r555", "r575", "r576", "r602", "r604", "r605", "r606", "r607", "r609", "r619", "r644", "r646", "r647", "r648", "r649", "r650", "r676", "r808", "r809", "r810", "r833", "r900" ] }, "us-gaap_StatementLineItems": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "StatementLineItems", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/CashAndDueFromBanksAdditionalInformationDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedBalanceSheetsParenthetical", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfChangesInStockholdersEquity", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DeferredCompensationAdditionalInformationDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/IncomeTaxesAdditionalInformationDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/IncomeTaxesNetDeferredTaxAssetAndLiabilitiesDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/IncomeTaxesSummaryOfTheSourcesOfDifferencesBetweenIncomeTaxesAtTheFederalStatutoryRateAndTheProvisionCreditForIncomeTaxesDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/NatureOfOperationsAndBasisOfPresentationAdditionalInformationDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/StockBasedCompensationSummaryOfNonvestedStockOptionActivityParentheticalDetail" ], "lang": { "en-us": { "role": { "label": "Statement [Line Items]", "documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table." } } }, "auth_ref": [ "r313", "r314", "r315", "r346", "r738", "r819", "r844", "r847", "r849", "r850", "r851", "r852", "r853", "r855", "r858", "r859", "r860", "r861", "r862", "r864", "r865", "r866", "r867", "r869", "r870", "r871", "r872", "r873", "r875", "r878", "r879", "r886", "r887", "r888", "r889", "r890", "r891", "r892", "r893", "r894", "r895", "r896", "r897", "r900", "r970" ] }, "us-gaap_StatementOfCashFlowsAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "StatementOfCashFlowsAbstract", "lang": { "en-us": { "role": { "label": "Statement of Cash Flows [Abstract]" } } }, "auth_ref": [] }, "us-gaap_StatementOfFinancialPositionAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "StatementOfFinancialPositionAbstract", "lang": { "en-us": { "role": { "label": "Statement of Financial Position [Abstract]" } } }, "auth_ref": [] }, "us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "StatementOfIncomeAndComprehensiveIncomeAbstract", "lang": { "en-us": { "role": { "label": "Statement of Comprehensive Income [Abstract]" } } }, "auth_ref": [] }, "us-gaap_StatementOfStockholdersEquityAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "StatementOfStockholdersEquityAbstract", "lang": { "en-us": { "role": { "label": "Statement of Stockholders' Equity [Abstract]" } } }, "auth_ref": [] }, "us-gaap_StatementTable": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "StatementTable", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/CashAndDueFromBanksAdditionalInformationDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedBalanceSheetsParenthetical", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfChangesInStockholdersEquity", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DeferredCompensationAdditionalInformationDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosurePremisesAndEquipmentSummaryOfPremisesAndEquipmentDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/EmployeeStockOwnershipPlanAdditionalInformationDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/IncomeTaxesAdditionalInformationDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/IncomeTaxesNetDeferredTaxAssetAndLiabilitiesDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/IncomeTaxesSummaryOfTheSourcesOfDifferencesBetweenIncomeTaxesAtTheFederalStatutoryRateAndTheProvisionCreditForIncomeTaxesDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/NatureOfOperationsAndBasisOfPresentationAdditionalInformationDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/StockBasedCompensationSummaryOfNonvestedStockOptionActivityParentheticalDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/StockBasedCompensationSummaryOfRestrictedStockUnitActivityParentheticalDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/SummaryOfSignificantAccountingPoliciesAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "label": "Statement [Table]", "documentation": "Schedule reflecting a Statement of Income, Statement of Cash Flows, Statement of Financial Position, Statement of Shareholders' Equity and Other Comprehensive Income, or other statement as needed." } } }, "auth_ref": [ "r313", "r314", "r315", "r346", "r738", "r819", "r844", "r847", "r849", "r850", "r851", "r852", "r853", "r855", "r858", "r859", "r860", "r861", "r862", "r864", "r865", "r866", "r867", "r869", "r870", "r871", "r872", "r873", "r875", "r878", "r879", "r886", "r887", "r888", "r889", "r890", "r891", "r892", "r893", "r894", "r895", "r896", "r897", "r900", "r970" ] }, "ecd_StkPrcOrTsrEstimationMethodTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://xbrl.sec.gov/ecd/2023", "localname": "StkPrcOrTsrEstimationMethodTextBlock", "presentation": [ "http://xbrl.sec.gov/ecd/role/ErrCompDisclosure" ], "lang": { "en-us": { "role": { "label": "Stock Price or TSR Estimation Method [Text Block]", "terseLabel": "Stock Price or TSR Estimation Method" } } }, "auth_ref": [ "r990", "r1002", "r1012", "r1038" ] }, "us-gaap_StockAppreciationRightsSARSMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "StockAppreciationRightsSARSMember", "presentation": [ "http://xbrl.sec.gov/ecd/role/AwardTimingDisclosure" ], "lang": { "en-us": { "role": { "label": "Stock Appreciation Rights (SARs) [Member]", "terseLabel": "Stock Appreciation Rights (SARs)", "documentation": "Right to receive cash or shares equal to appreciation of predetermined number of grantor's shares during predetermined time period." } } }, "auth_ref": [] }, "bcow_StockCompensationExpense": { "xbrltype": "monetaryItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "StockCompensationExpense", "crdr": "debit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureParentCompanyOnlyFinancialStatementsSummaryOfCondensedFinancialStatementsOfParentHoldingCompanyDetail3": { "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": 1.0, "order": 4.0 }, "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfCashFlows": { "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": 1.0, "order": 11.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfCashFlows", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureParentCompanyOnlyFinancialStatementsSummaryOfCondensedFinancialStatementsOfParentHoldingCompanyDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Stock compensation expense", "label": "Stock Compensation Expense", "documentation": "Stock compensation expense." } } }, "auth_ref": [] }, "us-gaap_StockIssuedDuringPeriodSharesConversionOfUnits": { "xbrltype": "sharesItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "StockIssuedDuringPeriodSharesConversionOfUnits", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/StockBasedCompensationAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Shares adjusted for the 2021 conversion", "label": "Stock Issued During Period, Shares, Conversion of Units", "documentation": "The number of shares issued during the period upon the conversion of units. An example of a convertible unit is an umbrella partnership real estate investment trust unit (UPREIT unit)." } } }, "auth_ref": [ "r28", "r93", "r141", "r142", "r169" ] }, "us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised": { "xbrltype": "sharesItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "StockIssuedDuringPeriodSharesStockOptionsExercised", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfChangesInStockholdersEquityParenthetical", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/StockBasedCompensationSummaryOfStockOptionActivityDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Stock options exercised", "negatedLabel": "Stock options - Shares exercised", "label": "Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period", "documentation": "Number of share options (or share units) exercised during the current period." } } }, "auth_ref": [ "r28", "r141", "r142", "r169", "r530" ] }, "us-gaap_StockIssuedDuringPeriodValueEmployeeStockPurchasePlan": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "StockIssuedDuringPeriodValueEmployeeStockPurchasePlan", "crdr": "credit", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfChangesInStockholdersEquity" ], "lang": { "en-us": { "role": { "label": "Stock Issued During Period, Value, Employee Stock Purchase Plan", "negatedLabel": "Purchase of shares by ESOP", "documentation": "Aggregate change in value for stock issued during the period as a result of employee stock purchase plan." } } }, "auth_ref": [ "r28", "r141", "r142", "r169" ] }, "us-gaap_StockIssuedDuringPeriodValueNewIssues": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "StockIssuedDuringPeriodValueNewIssues", "crdr": "credit", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfChangesInStockholdersEquity" ], "lang": { "en-us": { "role": { "terseLabel": "Gross proceeds from stock offering", "label": "Stock Issued During Period, Value, New Issues", "documentation": "Equity impact of the value of new stock issued during the period. Includes shares issued in an initial public offering or a secondary public offering." } } }, "auth_ref": [ "r28", "r141", "r142", "r169", "r833", "r900", "r912", "r976" ] }, "us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardGross": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "StockIssuedDuringPeriodValueRestrictedStockAwardGross", "crdr": "credit", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfChangesInStockholdersEquity" ], "lang": { "en-us": { "role": { "label": "Stock Issued During Period, Value, Restricted Stock Award, Gross", "terseLabel": "Restricted stock award grants", "documentation": "Aggregate value of stock related to Restricted Stock Awards issued during the period." } } }, "auth_ref": [ "r28", "r141", "r142", "r169" ] }, "us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "StockIssuedDuringPeriodValueStockOptionsExercised", "crdr": "credit", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfChangesInStockholdersEquity" ], "lang": { "en-us": { "role": { "terseLabel": "Stock options exercised", "label": "Stock Issued During Period, Value, Stock Options Exercised", "documentation": "Value of stock issued as a result of the exercise of stock options." } } }, "auth_ref": [ "r28", "r50", "r169" ] }, "us-gaap_StockRepurchaseProgramNumberOfSharesAuthorizedToBeRepurchased": { "xbrltype": "sharesItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "StockRepurchaseProgramNumberOfSharesAuthorizedToBeRepurchased", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureEquityAndRegulatoryMattersAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "label": "Stock Repurchase Program Number of Shares Authorized to be Repurchased", "terseLabel": "Shares authorized to repurchase", "documentation": "The number of shares authorized to be repurchased by an entity's Board of Directors under a stock repurchase plan." } } }, "auth_ref": [] }, "us-gaap_StockRepurchasedAndRetiredDuringPeriodShares": { "xbrltype": "sharesItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "StockRepurchasedAndRetiredDuringPeriodShares", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureEquityAndRegulatoryMattersAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "label": "Stock Repurchased and Retired During Period, Shares", "terseLabel": "Repurchase and retirement of shares-stock repurchase program", "verboseLabel": "Shares repurchased", "documentation": "Number of shares that have been repurchased and retired during the period." } } }, "auth_ref": [ "r28", "r141", "r142", "r169" ] }, "us-gaap_StockRepurchasedAndRetiredDuringPeriodValue": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "StockRepurchasedAndRetiredDuringPeriodValue", "crdr": "debit", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfChangesInStockholdersEquity", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureEquityAndRegulatoryMattersAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "label": "Stock Repurchased and Retired During Period, Value", "terseLabel": "Repurchase and retirement of shares-stock repurchase program", "verboseLabel": "Purchase price of repurchased shares", "documentation": "Equity impact of the value of stock that has been repurchased and retired during the period. The excess of the purchase price over par value can be charged against retained earnings (once the excess is fully allocated to additional paid in capital)." } } }, "auth_ref": [ "r28", "r141", "r142", "r169" ] }, "us-gaap_StockRepurchasedDuringPeriodValue": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "StockRepurchasedDuringPeriodValue", "crdr": "debit", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfChangesInStockholdersEquity" ], "lang": { "en-us": { "role": { "negatedLabel": "Repurchase of common stock", "label": "Stock Repurchased During Period, Value", "documentation": "Equity impact of the value of stock that has been repurchased during the period and has not been retired and is not held in treasury. Some state laws may mandate the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock." } } }, "auth_ref": [ "r28", "r141", "r142", "r169", "r833", "r900", "r914", "r976" ] }, "us-gaap_StockholdersEquity": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "StockholdersEquity", "crdr": "credit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedBalanceSheets": { "parentTag": "us-gaap_LiabilitiesAndStockholdersEquity", "weight": 1.0, "order": 1.0 }, "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureParentCompanyOnlyFinancialStatementsSummaryOfCondensedFinancialStatementsOfParentHoldingCompanyDetail": { "parentTag": "us-gaap_LiabilitiesAndStockholdersEquity", "weight": 1.0, "order": 1.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedBalanceSheets", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfChangesInStockholdersEquity", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureParentCompanyOnlyFinancialStatementsSummaryOfCondensedFinancialStatementsOfParentHoldingCompanyDetail" ], "lang": { "en-us": { "role": { "totalLabel": "Total stockholders' equity", "periodStartLabel": "Balance", "periodEndLabel": "Balance", "label": "Equity, Attributable to Parent", "terseLabel": "Total stockholders' equity", "documentation": "Amount of equity (deficit) attributable to parent. Excludes temporary equity and equity attributable to noncontrolling interest." } } }, "auth_ref": [ "r142", "r145", "r146", "r162", "r857", "r874", "r901", "r902", "r963", "r977", "r1118", "r1154", "r1214", "r1246" ] }, "us-gaap_SubsequentEventMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "SubsequentEventMember", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/SummaryOfSignificantAccountingPoliciesAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "label": "Subsequent Event [Member]", "documentation": "Identifies event that occurred after the balance sheet date but before financial statements are issued or available to be issued." } } }, "auth_ref": [ "r651", "r686" ] }, "us-gaap_SubsequentEventTypeAxis": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "SubsequentEventTypeAxis", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/LoansAdditionalInformationDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/SummaryOfSignificantAccountingPoliciesAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Subsequent event type [Axis]", "label": "Subsequent Event Type [Axis]", "documentation": "Information by event that occurred after the balance sheet date but before financial statements are issued or available to be issued." } } }, "auth_ref": [ "r651", "r686" ] }, "us-gaap_SubsequentEventTypeDomain": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "SubsequentEventTypeDomain", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/LoansAdditionalInformationDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/SummaryOfSignificantAccountingPoliciesAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Subsequent event type [Domain]", "label": "Subsequent Event Type [Domain]", "documentation": "Event that occurred after the balance sheet date but before financial statements are issued or available to be issued." } } }, "auth_ref": [ "r651", "r686" ] }, "us-gaap_SubstandardMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "SubstandardMember", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureLoansSummaryOfAmortizedCostBasisOfLoansByCreditQualityIndicatorAndOriginationYearDetails", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/LoansSummaryOfInternalRiskRatingsOfLoansDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Substandard [Member]", "label": "Substandard [Member]", "documentation": "A category of financing receivables that are inadequately protected by the current sound worth and paying capacity of the obligor or of the collateral pledged, if any. Loans so classified have a well-defined weakness or weaknesses that jeopardize the liquidation of the debt. They are characterized by the distinct possibility that the creditor will sustain some loss if the deficiencies are not corrected." } } }, "auth_ref": [ "r83", "r1160" ] }, "bcow_SummaryOfAmortizedCostBasisOfLoansByCreditQualityIndicatorAndOriginationYearTableTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "SummaryOfAmortizedCostBasisOfLoansByCreditQualityIndicatorAndOriginationYearTableTextBlock", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/LoansTables" ], "lang": { "en-us": { "role": { "terseLabel": "Summary of Amortized Cost Basis of Loans By Credit Quality Indicator and Origination Year", "label": "Summary Of Amortized Cost Basis Of Loans By Credit Quality Indicator And Origination Year [Table Text Block]", "documentation": "Summary of amortized cost basis of loans by credit quality indicator and origination year." } } }, "auth_ref": [] }, "bcow_SummaryOfGrossChargeOffsOfLoansForPortfolioClassByOriginationYearTableTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "SummaryOfGrossChargeOffsOfLoansForPortfolioClassByOriginationYearTableTextBlock", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/LoansTables" ], "lang": { "en-us": { "role": { "terseLabel": "Summary of Gross Charge-offs of Loans for Portfolio Class By Origination Year", "label": "Summary Of Gross Charge Offs Of Loans For Portfolio Class By Origination Year [Table Text Block]", "documentation": "Summary of Gross Charge offs of loans for portfolio class by origination year." } } }, "auth_ref": [] }, "bcow_SummaryOfInternalRiskRatingOfLoansTableTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "SummaryOfInternalRiskRatingOfLoansTableTextBlock", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/LoansTables" ], "lang": { "en-us": { "role": { "terseLabel": "Summary of Internal Risk Ratings of Loans", "label": "Summary of Internal Risk Rating of Loans [Table Text Block]", "documentation": "Summary of internal risk rating of loans." } } }, "auth_ref": [] }, "us-gaap_SupplementalCashFlowInformationAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "SupplementalCashFlowInformationAbstract", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfCashFlows" ], "lang": { "en-us": { "role": { "terseLabel": "Supplemental cash flow information:", "label": "Supplemental Cash Flow Information [Abstract]" } } }, "auth_ref": [] }, "ecd_TabularListTableTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://xbrl.sec.gov/ecd/2023", "localname": "TabularListTableTextBlock", "presentation": [ "http://xbrl.sec.gov/ecd/role/PvpDisclosure" ], "lang": { "en-us": { "role": { "label": "Tabular List [Table Text Block]", "terseLabel": "Tabular List, Table" } } }, "auth_ref": [ "r1031" ] }, "us-gaap_TaxAdjustmentsSettlementsAndUnusualProvisions": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "TaxAdjustmentsSettlementsAndUnusualProvisions", "crdr": "debit", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/IncomeTaxesAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Reversal of income tax benefits recorded in prior quarters", "label": "Tax Adjustments, Settlements, and Unusual Provisions", "documentation": "Amount of increase (decrease) to previously recorded tax expense. Includes, but is not limited to, significant settlements of income tax disputes, and unusual tax positions or infrequent actions taken by the entity, including tax assessment reversal, and IRS tax settlement." } } }, "auth_ref": [ "r176", "r177" ] }, "us-gaap_TaxCreditCarryforwardAxis": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "TaxCreditCarryforwardAxis", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/IncomeTaxesAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "label": "Tax Credit Carryforward [Axis]", "documentation": "Information by specific tax credit related to an unused tax credit." } } }, "auth_ref": [ "r110" ] }, "us-gaap_TaxCreditCarryforwardNameDomain": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "TaxCreditCarryforwardNameDomain", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/IncomeTaxesAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "label": "Tax Credit Carryforward, Name [Domain]", "documentation": "The name of the tax credit carryforward." } } }, "auth_ref": [ "r110" ] }, "us-gaap_TextBlockAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "TextBlockAbstract", "lang": { "en-us": { "role": { "terseLabel": "Banking And Thrift [Abstract]", "label": "Text Block [Abstract]" } } }, "auth_ref": [] }, "us-gaap_TierOneLeverageCapital": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "TierOneLeverageCapital", "crdr": "credit", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/EquityAndRegulatoryMattersScheduleOfBanksActualAndRequiredCapitalAmountsAndRatiosDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Total risk based capital actual amount", "label": "Banking Regulation, Tier 1 Leverage Capital, Actual", "documentation": "Amount of Tier 1 leverage capital as defined by regulatory framework." } } }, "auth_ref": [ "r769" ] }, "us-gaap_TierOneLeverageCapitalRequiredForCapitalAdequacy": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "TierOneLeverageCapitalRequiredForCapitalAdequacy", "crdr": "credit", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/EquityAndRegulatoryMattersScheduleOfBanksActualAndRequiredCapitalAmountsAndRatiosDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Total risk based capital for capital adequacy purposes amount", "label": "Banking Regulation, Tier 1 Leverage Capital, Capital Adequacy, Minimum", "documentation": "Amount of minimum Tier 1 leverage capital required for capital adequacy as defined by regulatory framework." } } }, "auth_ref": [ "r769", "r773" ] }, "us-gaap_TierOneLeverageCapitalRequiredForCapitalAdequacyToAverageAssets": { "xbrltype": "pureItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "TierOneLeverageCapitalRequiredForCapitalAdequacyToAverageAssets", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/EquityAndRegulatoryMattersScheduleOfBanksActualAndRequiredCapitalAmountsAndRatiosDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Total risk based capital for capital adequacy purposes ratio", "label": "Banking Regulation, Tier 1 Leverage Capital Ratio, Capital Adequacy, Minimum", "documentation": "Ratio of minimum Tier 1 leverage capital to average assets required for capital adequacy as defined by regulatory framework." } } }, "auth_ref": [ "r769", "r773" ] }, "us-gaap_TierOneLeverageCapitalRequiredToBeWellCapitalized": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "TierOneLeverageCapitalRequiredToBeWellCapitalized", "crdr": "credit", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/EquityAndRegulatoryMattersScheduleOfBanksActualAndRequiredCapitalAmountsAndRatiosDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Total risk based capital to be well capitalized under prompt corrective action provisions amount", "label": "Banking Regulation, Tier 1 Leverage Capital, Well Capitalized, Minimum", "documentation": "Amount of minimum Tier 1 leverage capital categorized as well capitalized as defined by regulatory framework for prompt corrective action." } } }, "auth_ref": [ "r769" ] }, "us-gaap_TierOneLeverageCapitalRequiredToBeWellCapitalizedToAverageAssets": { "xbrltype": "pureItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "TierOneLeverageCapitalRequiredToBeWellCapitalizedToAverageAssets", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/EquityAndRegulatoryMattersScheduleOfBanksActualAndRequiredCapitalAmountsAndRatiosDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Total risk based capital to be well capitalized under prompt corrective action provisions ratio", "label": "Banking Regulation, Tier 1 Leverage Capital Ratio, Well Capitalized, Minimum", "documentation": "Ratio of minimum Tier 1 leverage capital to average assets categorized as well capitalized as defined by regulatory framework for prompt corrective action." } } }, "auth_ref": [ "r769" ] }, "us-gaap_TierOneLeverageCapitalToAverageAssets": { "xbrltype": "pureItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "TierOneLeverageCapitalToAverageAssets", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/EquityAndRegulatoryMattersScheduleOfBanksActualAndRequiredCapitalAmountsAndRatiosDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Total risk based capital actual ratio", "label": "Banking Regulation, Tier 1 Leverage Capital Ratio, Actual", "documentation": "Ratio of Tier 1 capital to average assets as defined by regulatory framework." } } }, "auth_ref": [ "r769" ] }, "us-gaap_TierOneRiskBasedCapital": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "TierOneRiskBasedCapital", "crdr": "credit", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/EquityAndRegulatoryMattersScheduleOfBanksActualAndRequiredCapitalAmountsAndRatiosDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Tier 1 risk based capital actual amount", "label": "Banking Regulation, Tier 1 Risk-Based Capital, Actual", "documentation": "Amount of Tier 1 risk-based capital as defined by regulatory framework." } } }, "auth_ref": [ "r769" ] }, "us-gaap_TierOneRiskBasedCapitalRequiredForCapitalAdequacy": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "TierOneRiskBasedCapitalRequiredForCapitalAdequacy", "crdr": "credit", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/EquityAndRegulatoryMattersScheduleOfBanksActualAndRequiredCapitalAmountsAndRatiosDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Tier 1 risk based capital for capital adequacy purposes amount", "label": "Banking Regulation, Tier 1 Risk-Based Capital, Capital Adequacy, Minimum", "documentation": "Amount of minimum Tier 1 risk-based capital required for capital adequacy as defined by regulatory framework." } } }, "auth_ref": [ "r769", "r773" ] }, "us-gaap_TierOneRiskBasedCapitalRequiredForCapitalAdequacyToRiskWeightedAssets": { "xbrltype": "pureItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "TierOneRiskBasedCapitalRequiredForCapitalAdequacyToRiskWeightedAssets", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/EquityAndRegulatoryMattersScheduleOfBanksActualAndRequiredCapitalAmountsAndRatiosDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Tier 1 risk based capital for capital adequacy purposes ratio", "label": "Banking Regulation, Tier 1 Risk-Based Capital Ratio, Capital Adequacy, Minimum", "documentation": "Ratio of minimum Tier 1 risk-based capital to risk-weighted assets required for capital adequacy as defined by regulatory framework." } } }, "auth_ref": [ "r769", "r773" ] }, "us-gaap_TierOneRiskBasedCapitalRequiredToBeWellCapitalized": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "TierOneRiskBasedCapitalRequiredToBeWellCapitalized", "crdr": "credit", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/EquityAndRegulatoryMattersScheduleOfBanksActualAndRequiredCapitalAmountsAndRatiosDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Tier 1 risk based capital to be well capitalized under prompt corrective action provisions amount", "label": "Banking Regulation, Tier 1 Risk-Based Capital, Well Capitalized, Minimum", "documentation": "Amount of minimum Tier 1 risk-based capital categorized as well capitalized as defined by regulatory framework for prompt corrective action." } } }, "auth_ref": [ "r769" ] }, "us-gaap_TierOneRiskBasedCapitalRequiredToBeWellCapitalizedToRiskWeightedAssets": { "xbrltype": "pureItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "TierOneRiskBasedCapitalRequiredToBeWellCapitalizedToRiskWeightedAssets", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/EquityAndRegulatoryMattersScheduleOfBanksActualAndRequiredCapitalAmountsAndRatiosDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Tier 1 risk based capital to be well capitalized under prompt corrective action provisions ratio", "label": "Banking Regulation, Tier 1 Risk-Based Capital Ratio, Well Capitalized, Minimum", "documentation": "Ratio of minimum Tier 1 risk-based capital to risk-weighted assets categorized as well capitalized as defined by regulatory framework for prompt corrective action." } } }, "auth_ref": [ "r769" ] }, "us-gaap_TierOneRiskBasedCapitalToRiskWeightedAssets": { "xbrltype": "pureItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "TierOneRiskBasedCapitalToRiskWeightedAssets", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/EquityAndRegulatoryMattersScheduleOfBanksActualAndRequiredCapitalAmountsAndRatiosDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Tier 1 risk based capital actual ratio", "label": "Banking Regulation, Tier 1 Risk-Based Capital Ratio, Actual", "documentation": "Ratio of Tier 1 risk-based capital to risk-weighted assets as defined by regulatory framework." } } }, "auth_ref": [ "r769" ] }, "us-gaap_TimeDepositMaturitiesAfterYearFive": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "TimeDepositMaturitiesAfterYearFive", "crdr": "credit", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DepositsScheduledMaturitiesOfCertificatesOfDepositDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Thereafter", "label": "Time Deposit Maturities, after Year Five", "documentation": "Amount of time deposit maturing after fifth fiscal year following current fiscal year. Time deposit includes, but is not limited to, certificate of deposit. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach)." } } }, "auth_ref": [ "r13" ] }, "us-gaap_TimeDepositMaturitiesTableTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "TimeDepositMaturitiesTableTextBlock", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DepositsTables" ], "lang": { "en-us": { "role": { "terseLabel": "Scheduled Maturities of Certificates of Deposit", "label": "Time Deposit Maturities [Table Text Block]", "documentation": "Tabular disclosure of time deposit liability maturities." } } }, "auth_ref": [ "r13" ] }, "us-gaap_TimeDepositMaturitiesYearFive": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "TimeDepositMaturitiesYearFive", "crdr": "credit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DepositsScheduledMaturitiesOfCertificatesOfDepositDetail": { "parentTag": "us-gaap_TimeDeposits", "weight": 1.0, "order": 4.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DepositsScheduledMaturitiesOfCertificatesOfDepositDetail" ], "lang": { "en-us": { "role": { "label": "Time Deposit Maturities, Year Five", "terseLabel": "2027", "documentation": "Amount of time deposit maturing in fifth fiscal year following current fiscal year. Time deposit includes, but is not limited to, certificate of deposit. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach)." } } }, "auth_ref": [ "r13" ] }, "us-gaap_TimeDepositMaturitiesYearFour": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "TimeDepositMaturitiesYearFour", "crdr": "credit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DepositsScheduledMaturitiesOfCertificatesOfDepositDetail": { "parentTag": "us-gaap_TimeDeposits", "weight": 1.0, "order": 3.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DepositsScheduledMaturitiesOfCertificatesOfDepositDetail" ], "lang": { "en-us": { "role": { "label": "Time Deposit Maturities, Year Four", "terseLabel": "2026", "documentation": "Amount of time deposit maturing in fourth fiscal year following current fiscal year. Time deposit includes, but is not limited to, certificate of deposit. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach)." } } }, "auth_ref": [ "r13" ] }, "us-gaap_TimeDepositMaturitiesYearOne": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "TimeDepositMaturitiesYearOne", "crdr": "credit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DepositsScheduledMaturitiesOfCertificatesOfDepositDetail": { "parentTag": "us-gaap_TimeDeposits", "weight": 1.0, "order": 0.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DepositsScheduledMaturitiesOfCertificatesOfDepositDetail" ], "lang": { "en-us": { "role": { "label": "Time Deposit Maturities, Year One", "terseLabel": "2023", "documentation": "Amount of time deposit maturing in next fiscal year following current fiscal year. Time deposit includes, but is not limited to, certificate of deposit. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach)." } } }, "auth_ref": [ "r13" ] }, "us-gaap_TimeDepositMaturitiesYearThree": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "TimeDepositMaturitiesYearThree", "crdr": "credit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DepositsScheduledMaturitiesOfCertificatesOfDepositDetail": { "parentTag": "us-gaap_TimeDeposits", "weight": 1.0, "order": 2.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DepositsScheduledMaturitiesOfCertificatesOfDepositDetail" ], "lang": { "en-us": { "role": { "label": "Time Deposit Maturities, Year Three", "terseLabel": "2025", "documentation": "Amount of time deposit maturing in third fiscal year following current fiscal year. Time deposit includes, but is not limited to, certificate of deposit. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach)." } } }, "auth_ref": [ "r13" ] }, "us-gaap_TimeDepositMaturitiesYearTwo": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "TimeDepositMaturitiesYearTwo", "crdr": "credit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DepositsScheduledMaturitiesOfCertificatesOfDepositDetail": { "parentTag": "us-gaap_TimeDeposits", "weight": 1.0, "order": 1.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DepositsScheduledMaturitiesOfCertificatesOfDepositDetail" ], "lang": { "en-us": { "role": { "label": "Time Deposit Maturities, Year Two", "terseLabel": "2024", "documentation": "Amount of time deposit maturing in second fiscal year following current fiscal year. Time deposit includes, but is not limited to, certificate of deposit. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach)." } } }, "auth_ref": [ "r13" ] }, "us-gaap_TimeDeposits": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "TimeDeposits", "crdr": "credit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DepositsScheduledMaturitiesOfCertificatesOfDepositDetail": { "parentTag": null, "weight": null, "order": null, "root": true } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DepositsScheduledMaturitiesOfCertificatesOfDepositDetail" ], "lang": { "en-us": { "role": { "totalLabel": "Total", "label": "Time Deposits", "documentation": "Amount of time deposit liabilities, including certificates of deposit." } } }, "auth_ref": [ "r17", "r129" ] }, "us-gaap_TimeDepositsAtOrAboveFDICInsuranceLimit": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "TimeDepositsAtOrAboveFDICInsuranceLimit", "crdr": "credit", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DepositsAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Certificates of deposit with balances of $250 or more", "label": "Time Deposits, at or Above FDIC Insurance Limit", "documentation": "Amount of time deposit liabilities, including certificates of deposit, in denominations that meet or exceed the Federal Deposit Insurance Corporation (FDIC) insurance limit." } } }, "auth_ref": [ "r17" ] }, "us-gaap_TimeDepositsByMaturityAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "TimeDepositsByMaturityAbstract", "lang": { "en-us": { "role": { "label": "Time Deposits, Fiscal Year Maturity [Abstract]" } } }, "auth_ref": [] }, "srt_TitleOfIndividualAxis": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/srt/2023", "localname": "TitleOfIndividualAxis", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/StockBasedCompensationSummaryOfNonvestedStockOptionActivityParentheticalDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/StockBasedCompensationSummaryOfRestrictedStockUnitActivityParentheticalDetail" ], "lang": { "en-us": { "role": { "label": "Title of Individual [Axis]", "documentation": "Information by title of individual or nature of relationship to individual or group of individuals." } } }, "auth_ref": [ "r1131", "r1220" ] }, "srt_TitleOfIndividualWithRelationshipToEntityDomain": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/srt/2023", "localname": "TitleOfIndividualWithRelationshipToEntityDomain", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/StockBasedCompensationSummaryOfNonvestedStockOptionActivityParentheticalDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/StockBasedCompensationSummaryOfRestrictedStockUnitActivityParentheticalDetail" ], "lang": { "en-us": { "role": { "label": "Title of Individual [Domain]", "documentation": "Title of individual, or nature of relationship to individual or group of individuals." } } }, "auth_ref": [] }, "ecd_TotalShareholderRtnAmt": { "xbrltype": "monetaryItemType", "nsuri": "http://xbrl.sec.gov/ecd/2023", "localname": "TotalShareholderRtnAmt", "presentation": [ "http://xbrl.sec.gov/ecd/role/PvpDisclosure" ], "lang": { "en-us": { "role": { "label": "Total Shareholder Return Amount", "terseLabel": "Total Shareholder Return Amount" } } }, "auth_ref": [ "r1023" ] }, "ecd_TotalShareholderRtnVsPeerGroupTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://xbrl.sec.gov/ecd/2023", "localname": "TotalShareholderRtnVsPeerGroupTextBlock", "presentation": [ "http://xbrl.sec.gov/ecd/role/PvpDisclosure" ], "lang": { "en-us": { "role": { "label": "Total Shareholder Return Vs Peer Group [Text Block]", "terseLabel": "Total Shareholder Return Vs Peer Group" } } }, "auth_ref": [ "r1030" ] }, "ecd_TradingArrAxis": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/ecd/2023", "localname": "TradingArrAxis", "presentation": [ "http://xbrl.sec.gov/ecd/role/InsiderTradingArrangements" ], "lang": { "en-us": { "role": { "label": "Trading Arrangement [Axis]", "terseLabel": "Trading Arrangement:" } } }, "auth_ref": [ "r1051" ] }, "ecd_TradingArrByIndTable": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/ecd/2023", "localname": "TradingArrByIndTable", "presentation": [ "http://xbrl.sec.gov/ecd/role/InsiderTradingArrangements" ], "lang": { "en-us": { "role": { "label": "Trading Arrangements, by Individual [Table]", "terseLabel": "Trading Arrangements, by Individual" } } }, "auth_ref": [ "r1053" ] }, "dei_TradingSymbol": { "xbrltype": "tradingSymbolItemType", "nsuri": "http://xbrl.sec.gov/dei/2023", "localname": "TradingSymbol", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/CoverPage" ], "lang": { "en-us": { "role": { "terseLabel": "Trading Symbol", "label": "Trading Symbol", "documentation": "Trading symbol of an instrument as listed on an exchange." } } }, "auth_ref": [] }, "us-gaap_TransferOfPortfolioLoansAndLeasesToHeldForSale1": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "TransferOfPortfolioLoansAndLeasesToHeldForSale1", "crdr": "credit", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfCashFlows" ], "lang": { "en-us": { "role": { "terseLabel": "Loans transferred to held for sale", "label": "Loan and Lease, Transfer from Held-in-Portfolio to Held-for-Sale", "documentation": "Value of loans and leases held in the entity's portfolio transferred to loans and leases held-for-sale in noncash transactions." } } }, "auth_ref": [ "r66", "r67", "r68" ] }, "us-gaap_TransfersAndServicingAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "TransfersAndServicingAbstract", "lang": { "en-us": { "role": { "verboseLabel": "Transfers And Servicing [Abstract]", "label": "Transfers and Servicing [Abstract]" } } }, "auth_ref": [] }, "us-gaap_TransfersAndServicingOfFinancialAssetsPolicyTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "TransfersAndServicingOfFinancialAssetsPolicyTextBlock", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/SummaryOfSignificantAccountingPoliciesPolicies" ], "lang": { "en-us": { "role": { "verboseLabel": "Transfers of Financial Assets", "label": "Transfers and Servicing of Financial Assets, Policy [Policy Text Block]", "documentation": "Disclosure of accounting policy for transfers and servicing financial assets, including securitization transactions as well as repurchase and resale agreements. This disclosure may include how the entity (1) determines whether a transaction is accounted for as a sale; (2) accounts for a sale transaction, including the initial and subsequent accounting for any interests that the entity obtains or continues to hold in the transaction, how such interests are valued, and the significant assumptions used in the valuation; (3) accounts for a transaction that does not qualify for sale treatment (that is, a financing); and (4) accounts for its servicing assets and liabilities (\"servicing\"), including how such servicing is measured initially and subsequently, and the methodology and significant assumptions used to value such servicing." } } }, "auth_ref": [ "r35", "r127", "r699", "r709", "r716" ] }, "us-gaap_TransfersAndServicingOfFinancialAssetsTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "TransfersAndServicingOfFinancialAssetsTextBlock", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/MortgageServicingRights" ], "lang": { "en-us": { "role": { "terseLabel": "Mortgage Servicing Rights", "label": "Transfers and Servicing of Financial Assets [Text Block]", "documentation": "The entire disclosure for a transferor's continuing involvement in financial assets that it has transferred in a securitization or asset-backed financing arrangement, the nature of any restrictions on assets reported by an entity in its statement of financial position that relate to a transferred financial asset (including the carrying amounts of such assets), how servicing assets and servicing liabilities are reported, and (for securitization or asset-backed financing arrangements accounted for as sales) when a transferor has continuing involvement with the transferred financial assets and transfers of financial assets accounted for as secured borrowings, how the transfer of financial assets affects an entity's financial position, financial performance, and cash flows." } } }, "auth_ref": [ "r687", "r688", "r689", "r694", "r698", "r700", "r701", "r706", "r707", "r711", "r712", "r714", "r716", "r717", "r718", "r723", "r724", "r731", "r733", "r848", "r1230" ] }, "us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/AvailableForSaleSecuritiesSummaryOfAmortizedCostsAndFairValueOfSecuritiesAvailableForSaleDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/AvailableForSaleSecuritiesSummaryOfAmortizedCostsAndFairValuesOfSecuritiesAvailableForSaleByContractualMaturityDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/AvailableForSaleSecuritiesSummaryOfGrossUnrealizedLossesOnSecuritiesAvailableForSaleAndFairValuesDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureAvailableForSaleSecuritiesSummaryOfNumberOfDebtSecuritiesInAnUnrealizedLossPositionAndTheAggregateDepreciationDetails", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureCommitmentsAndContingenciesSummaryOfContractAmountsOfCreditrelatedFinancialInstrumentsDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureLoansSummaryOfActivityInAllowanceForLoanAndLeaseLossesDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureLoansSummaryOfAllowanceForLoanAndLeaseLossesForLoansEvaluatedIndividuallyAndCollectivelyForImpairmentDetails", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureLoansSummaryOfAmortizedCostBasisOfLoansByCreditQualityIndicatorAndOriginationYearDetails", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureLoansSummaryOfGrossChargeoffsOfLoansForPortfolioClassByOriginationYearDetails", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/FairValueSummaryOfAssetsMeasuredAtFairValueOnARecurringBasisDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/LoansSummaryOfAllowanceForLoanAndLeaseLossesForLoansEvaluatedIndividuallyAndCollectivelyForImpairmentDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Financial Instruments [Domain]", "label": "Financial Instruments [Domain]", "documentation": "Instrument or contract that imposes a contractual obligation to deliver cash or another financial instrument or to exchange other financial instruments on potentially unfavorable terms and conveys a contractual right to receive cash or another financial instrument or to exchange other financial instruments on potentially favorable terms." } } }, "auth_ref": [ "r375", "r376", "r377", "r378", "r379", "r380", "r381", "r382", "r383", "r384", "r385", "r386", "r387", "r388", "r389", "r390", "r391", "r392", "r393", "r394", "r395", "r396", "r397", "r398", "r399", "r400", "r401", "r402", "r403", "r404", "r478", "r484", "r610", "r688", "r689", "r690", "r691", "r692", "r693", "r695", "r696", "r697", "r702", "r703", "r704", "r705", "r708", "r713", "r719", "r720", "r721", "r722", "r725", "r726", "r727", "r728", "r729", "r730", "r731", "r732", "r734", "r735", "r736", "r794", "r1071", "r1072", "r1073", "r1074", "r1075", "r1076", "r1077", "r1149", "r1150", "r1151", "r1152" ] }, "ecd_TrdArrAdoptionDate": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/ecd/2023", "localname": "TrdArrAdoptionDate", "presentation": [ "http://xbrl.sec.gov/ecd/role/InsiderTradingArrangements" ], "lang": { "en-us": { "role": { "label": "Trading Arrangement Adoption Date", "terseLabel": "Adoption Date" } } }, "auth_ref": [ "r1054" ] }, "ecd_TrdArrDuration": { "xbrltype": "durationItemType", "nsuri": "http://xbrl.sec.gov/ecd/2023", "localname": "TrdArrDuration", "presentation": [ "http://xbrl.sec.gov/ecd/role/InsiderTradingArrangements" ], "lang": { "en-us": { "role": { "label": "Trading Arrangement Duration", "terseLabel": "Arrangement Duration" } } }, "auth_ref": [ "r1055" ] }, "ecd_TrdArrIndName": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/ecd/2023", "localname": "TrdArrIndName", "presentation": [ "http://xbrl.sec.gov/ecd/role/InsiderTradingArrangements" ], "lang": { "en-us": { "role": { "label": "Trading Arrangement, Individual Name", "terseLabel": "Name" } } }, "auth_ref": [ "r1053" ] }, "ecd_TrdArrIndTitle": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/ecd/2023", "localname": "TrdArrIndTitle", "presentation": [ "http://xbrl.sec.gov/ecd/role/InsiderTradingArrangements" ], "lang": { "en-us": { "role": { "label": "Trading Arrangement, Individual Title", "terseLabel": "Title" } } }, "auth_ref": [ "r1053" ] }, "ecd_TrdArrSecuritiesAggAvailAmt": { "xbrltype": "sharesItemType", "nsuri": "http://xbrl.sec.gov/ecd/2023", "localname": "TrdArrSecuritiesAggAvailAmt", "presentation": [ "http://xbrl.sec.gov/ecd/role/InsiderTradingArrangements" ], "lang": { "en-us": { "role": { "label": "Trading Arrangement, Securities Aggregate Available Amount", "terseLabel": "Aggregate Available" } } }, "auth_ref": [ "r1056" ] }, "ecd_TrdArrTerminationDate": { "xbrltype": "stringItemType", "nsuri": "http://xbrl.sec.gov/ecd/2023", "localname": "TrdArrTerminationDate", "presentation": [ "http://xbrl.sec.gov/ecd/role/InsiderTradingArrangements" ], "lang": { "en-us": { "role": { "label": "Trading Arrangement Termination Date", "terseLabel": "Termination Date" } } }, "auth_ref": [ "r1054" ] }, "us-gaap_TreasuryStockCommonMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "TreasuryStockCommonMember", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfChangesInStockholdersEquity" ], "lang": { "en-us": { "role": { "terseLabel": "Treasury Stock", "label": "Treasury Stock, Common [Member]", "documentation": "Previously issued common shares repurchased by the issuing entity and held in treasury." } } }, "auth_ref": [ "r95" ] }, "us-gaap_TreasuryStockCommonShares": { "xbrltype": "sharesItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "TreasuryStockCommonShares", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedBalanceSheetsParenthetical" ], "lang": { "en-us": { "role": { "terseLabel": "Treasury stock", "label": "Treasury Stock, Common, Shares", "documentation": "Number of previously issued common shares repurchased by the issuing entity and held in treasury." } } }, "auth_ref": [ "r95" ] }, "us-gaap_TreasuryStockRetiredCostMethodAmount": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "TreasuryStockRetiredCostMethodAmount", "crdr": "debit", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfChangesInStockholdersEquity" ], "lang": { "en-us": { "role": { "terseLabel": "Retirement of treasury shares from stock offering", "label": "Treasury Stock, Retired, Cost Method, Amount", "documentation": "Amount of decrease of par value, additional paid in capital (APIC) and retained earnings of common and preferred stock retired from treasury when treasury stock is accounted for under the cost method." } } }, "auth_ref": [ "r28", "r94", "r142" ] }, "us-gaap_TreasuryStockValue": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "TreasuryStockValue", "crdr": "debit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedBalanceSheets": { "parentTag": "us-gaap_StockholdersEquity", "weight": -1.0, "order": 5.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedBalanceSheets" ], "lang": { "en-us": { "role": { "negatedLabel": "Less treasury stock at cost, 29,518 shares at December 31, 2023 and 30,063 shares at December 31, 2022", "label": "Treasury Stock, Value", "totalLabel": "Treasury Stock, Value, Total", "documentation": "The amount allocated to treasury stock. Treasury stock is common and preferred shares of an entity that were issued, repurchased by the entity, and are held in its treasury." } } }, "auth_ref": [ "r49", "r95", "r96" ] }, "us-gaap_TreasuryStockValueAcquiredCostMethod": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "TreasuryStockValueAcquiredCostMethod", "crdr": "debit", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfChangesInStockholdersEquity" ], "lang": { "en-us": { "role": { "negatedLabel": "Purchase of treasury stock by Rabbi Trust", "label": "Treasury Stock, Value, Acquired, Cost Method", "documentation": "Equity impact of the cost of common and preferred stock that were repurchased during the period. Recorded using the cost method." } } }, "auth_ref": [ "r28", "r95", "r169" ] }, "bcow_TreasuryStockValueIssuedCostMethod": { "xbrltype": "monetaryItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "TreasuryStockValueIssuedCostMethod", "crdr": "credit", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfChangesInStockholdersEquity" ], "lang": { "en-us": { "role": { "terseLabel": "Sale of common stock by Rabbi Trust", "label": "Treasury Stock Value Issued Cost Method", "documentation": "Treasury stock value issued cost method." } } }, "auth_ref": [] }, "us-gaap_TroubledDebtRestructuringsOnFinancingReceivablesTableTextBlock": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "TroubledDebtRestructuringsOnFinancingReceivablesTableTextBlock", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/LoansTables" ], "lang": { "en-us": { "role": { "terseLabel": "Summary of Information Regarding Non-accrual Loans", "label": "Financing Receivable, Modified [Table Text Block]", "documentation": "Tabular disclosure of financing receivable modified for debtor experiencing financial difficulty." } } }, "auth_ref": [ "r934", "r1133", "r1134", "r1135", "r1136" ] }, "bcow_TwentyTwentyEquityIncentivePlanMember": { "xbrltype": "domainItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "TwentyTwentyEquityIncentivePlanMember", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/StockBasedCompensationAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "documentation": "Twenty Twenty Equity Incentive Plan Member", "label": "Twenty Twenty Equity Incentive Plan [Member]", "terseLabel": "2020 Equity Incentive Plan [Member]" } } }, "auth_ref": [] }, "bcow_TwentyTwentyOneEquityIncentivePlanMember": { "xbrltype": "domainItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "TwentyTwentyOneEquityIncentivePlanMember", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/StockBasedCompensationAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "terseLabel": "2021 Conversion [Member]", "label": "Twenty Twenty One Equity Incentive Plan [Member]", "documentation": "Twenty twenty one equity incentive plan." } } }, "auth_ref": [] }, "bcow_TwentyTwentyTwoEquityIncentivePlanMember": { "xbrltype": "domainItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "TwentyTwentyTwoEquityIncentivePlanMember", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/StockBasedCompensationAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "documentation": "2022 Equity Incentive Plan.", "label": "Twenty Twenty Two Equity Incentive Plan [Member]", "terseLabel": "2022 Equity Incentive Plan [Member]" } } }, "auth_ref": [] }, "us-gaap_TypeOfAdoptionMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "TypeOfAdoptionMember", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfChangesInStockholdersEquity", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/SummaryOfSignificantAccountingPoliciesAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "label": "Accounting Standards Update [Domain]", "documentation": "Amendment to accounting standards." } } }, "auth_ref": [ "r262", "r263", "r264", "r265", "r266", "r318", "r319", "r320", "r321", "r332", "r370", "r371", "r411", "r412", "r413", "r414", "r415", "r416", "r417", "r418", "r419", "r420", "r444", "r553", "r554", "r555", "r573", "r574", "r575", "r576", "r587", "r588", "r589", "r599", "r600", "r601", "r602", "r603", "r604", "r605", "r606", "r607", "r608", "r609", "r611", "r612", "r613", "r614", "r615", "r616", "r617", "r618", "r619", "r620", "r621", "r622", "r633", "r634", "r640", "r641", "r642", "r643", "r652", "r653", "r657", "r658", "r659", "r660", "r672", "r673", "r674", "r675", "r676", "r740", "r741", "r742", "r806", "r807", "r808", "r809", "r810", "r811", "r812", "r813", "r814", "r815", "r816", "r817" ] }, "us-gaap_USStatesAndPoliticalSubdivisionsMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "USStatesAndPoliticalSubdivisionsMember", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/AvailableForSaleSecuritiesSummaryOfGrossUnrealizedLossesOnSecuritiesAvailableForSaleAndFairValuesDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureAvailableForSaleSecuritiesSummaryOfNumberOfDebtSecuritiesInAnUnrealizedLossPositionAndTheAggregateDepreciationDetails", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/FairValueSummaryOfAssetsMeasuredAtFairValueOnARecurringBasisDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Obligations of States and Political Subdivisions [Member]", "label": "US States and Political Subdivisions Debt Securities [Member]", "documentation": "Bonds or similar securities issued by state, city, or local US governments or the agencies operated by state, city, or local governments. Debt securities issued by state governments may include bond issuances of US state authorities including, for example, but not limited to, housing authorities, dormitory authorities, and general obligations while debt securities issued by political subdivisions of US states would include, for example, debt issuances by county, borough, city, or municipal governments." } } }, "auth_ref": [ "r953", "r1239" ] }, "us-gaap_USTreasuryNotesSecuritiesMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "USTreasuryNotesSecuritiesMember", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/FairValueSummaryOfAssetsMeasuredAtFairValueOnARecurringBasisDetail" ], "lang": { "en-us": { "role": { "terseLabel": "U.S. Treasury notes [Member]", "label": "US Treasury Notes Securities [Member]", "documentation": "This category includes information about negotiable debt securities issued by the United States Department of the Treasury which generally have maturities of one to ten years, are interest bearing, and are backed by the full faith and credit of the United States government." } } }, "auth_ref": [ "r1233" ] }, "us-gaap_USTreasurySecuritiesMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "USTreasurySecuritiesMember", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/AvailableForSaleSecuritiesSummaryOfAmortizedCostsAndFairValueOfSecuritiesAvailableForSaleDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/AvailableForSaleSecuritiesSummaryOfGrossUnrealizedLossesOnSecuritiesAvailableForSaleAndFairValuesDetail" ], "lang": { "en-us": { "role": { "label": "US Treasury Securities [Member]", "terseLabel": "U.S. Treasury notes [Member]", "documentation": "This category includes information about debt securities issued by the United States Department of the Treasury and backed by the United States government. Such securities primarily consist of treasury bills (short-term maturities - one year or less), treasury notes (intermediate term maturities - two to ten years), and treasury bonds (long-term maturities - ten to thirty years)." } } }, "auth_ref": [ "r930", "r953", "r955", "r1233" ] }, "bcow_UnallocatedCommonStockOfEsopMember": { "xbrltype": "domainItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "UnallocatedCommonStockOfEsopMember", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfChangesInStockholdersEquity" ], "lang": { "en-us": { "role": { "documentation": "Unallocated Common Stock Of Esop Member", "verboseLabel": "Unallocated common stock of ESOP", "label": "Unallocated Common Stock Of ESOP [Member]" } } }, "auth_ref": [] }, "us-gaap_UnamortizedLoanCommitmentAndOriginationFeesAndUnamortizedDiscountsOrPremiums": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "UnamortizedLoanCommitmentAndOriginationFeesAndUnamortizedDiscountsOrPremiums", "crdr": "debit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/LoansSummaryOfMajorClassificationsOfLoansDetail": { "parentTag": "us-gaap_LoansAndLeasesReceivableNetReportedAmount", "weight": 1.0, "order": 1.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/LoansSummaryOfMajorClassificationsOfLoansDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Net deferred loan costs", "label": "Unamortized Loan Commitment and Origination Fees and Unamortized Discounts or Premiums", "documentation": "Amount of deferred fees paid by borrowers and unamortized costs incurred to originate loans and leases, unamortized loan commitments and loan syndication fees, and premiums over or discounts from face amounts of loans that are being amortized into income as an adjustment to yield. Excludes amounts for loans and leases covered under loss sharing agreements." } } }, "auth_ref": [ "r88" ] }, "bcow_UncertainPrincipalCollectionWrittenOffPeriod": { "xbrltype": "durationItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "UncertainPrincipalCollectionWrittenOffPeriod", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/SummaryOfSignificantAccountingPoliciesAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Uncertain principal collection written off period", "label": "Uncertain Principal Collection Written Off Period", "documentation": "Uncertain principal collection written off period." } } }, "auth_ref": [] }, "ecd_UndrlygSecurityMktPriceChngPct": { "xbrltype": "pureItemType", "nsuri": "http://xbrl.sec.gov/ecd/2023", "localname": "UndrlygSecurityMktPriceChngPct", "presentation": [ "http://xbrl.sec.gov/ecd/role/AwardTimingDisclosure" ], "lang": { "en-us": { "role": { "label": "Underlying Security Market Price Change, Percent", "terseLabel": "Underlying Security Market Price Change" } } }, "auth_ref": [ "r1050" ] }, "bcow_UnexpectedEventAxis": { "xbrltype": "stringItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "UnexpectedEventAxis", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/LoansAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Unexpected Event [Axis]", "label": "Unexpected Event [Axis]", "documentation": "Unexpected event [Axis]." } } }, "auth_ref": [] }, "bcow_UnexpectedEventDomain": { "xbrltype": "domainItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "UnexpectedEventDomain", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/LoansAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Unexpected Event [Domain]", "label": "Unexpected Event [Domain]", "documentation": "Unexpected event [Domain]." } } }, "auth_ref": [] }, "us-gaap_UnfundedLoanCommitmentMember": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "UnfundedLoanCommitmentMember", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureLoansScheduleOfComponentsOfProvisionForCreditLossesDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureLoansSummaryOfActivityInAllowanceForLoanAndLeaseLossesDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Unfunded Loan Commitments [Member]", "label": "Unfunded Loan Commitment [Member]", "documentation": "Undisbursed funds of a credit facility in which the borrower may draw upon." } } }, "auth_ref": [] }, "bcow_UnpaidPrincipalBalanceOfLoansServicedForOthers": { "xbrltype": "monetaryItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "UnpaidPrincipalBalanceOfLoansServicedForOthers", "crdr": "debit", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/MortgageServicingRightsAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Unpaid principal balance of mortgage loans serviced for others", "label": "Unpaid Principal Balance of Loans Serviced for Others", "documentation": "Unpaid Principal Balance of Loans Serviced for Others" } } }, "auth_ref": [] }, "us-gaap_UseOfEstimates": { "xbrltype": "textBlockItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "UseOfEstimates", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/SummaryOfSignificantAccountingPoliciesPolicies" ], "lang": { "en-us": { "role": { "verboseLabel": "Use of Estimates", "label": "Use of Estimates, Policy [Policy Text Block]", "documentation": "Disclosure of accounting policy for the use of estimates in the preparation of financial statements in conformity with generally accepted accounting principles." } } }, "auth_ref": [ "r72", "r73", "r74", "r228", "r229", "r231", "r232" ] }, "us-gaap_ValuationAllowanceDeferredTaxAssetChangeInAmount": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "ValuationAllowanceDeferredTaxAssetChangeInAmount", "crdr": "credit", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/IncomeTaxesAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Increased valuation allowance", "label": "Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount", "documentation": "Amount of increase (decrease) in the valuation allowance for a specified deferred tax asset." } } }, "auth_ref": [ "r565" ] }, "us-gaap_ValuationAllowanceForImpairmentOfRecognizedServicingAssetsBalance": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "ValuationAllowanceForImpairmentOfRecognizedServicingAssetsBalance", "crdr": "credit", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/MortgageServicingRightsAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "verboseLabel": "Mortgage servicing rights , valuation allowance", "label": "Valuation Allowance for Impairment of Recognized Servicing Assets, Balance", "periodStartLabel": "Valuation Allowance for Impairment of Recognized Servicing Assets, Balance, Beginning Balance", "periodEndLabel": "Valuation Allowance for Impairment of Recognized Servicing Assets, Balance, Ending Balance", "documentation": "Reflects the estimated amount of impairment as of the balance sheet date of recognized servicing assets that are being amortized in proportion to and over the period of estimated net servicing income or loss." } } }, "auth_ref": [ "r734" ] }, "us-gaap_ValuationTechniqueAxis": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "ValuationTechniqueAxis", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/FairValueScheduleOfQuantitativeInformationAboutNonrecurringLevel3FairValueMeasurementsDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Valuation Approach and Technique [Axis]", "label": "Valuation Approach and Technique [Axis]", "documentation": "Information by valuation approach and technique." } } }, "auth_ref": [ "r30" ] }, "us-gaap_ValuationTechniqueDomain": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "ValuationTechniqueDomain", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/FairValueScheduleOfQuantitativeInformationAboutNonrecurringLevel3FairValueMeasurementsDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Valuation Approach and Technique [Domain]", "label": "Valuation Approach and Technique [Domain]", "documentation": "Valuation approach and technique." } } }, "auth_ref": [ "r30" ] }, "us-gaap_VariableLeaseCost": { "xbrltype": "monetaryItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "VariableLeaseCost", "crdr": "debit", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosurePremisesAndEquipmentSummaryOfNetLeaseCostDetail": { "parentTag": "us-gaap_LeaseCost", "weight": 1.0, "order": 0.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosurePremisesAndEquipmentSummaryOfNetLeaseCostDetail" ], "lang": { "en-us": { "role": { "label": "Variable Lease, Cost", "terseLabel": "Variable lease cost", "documentation": "Amount of variable lease cost, excluded from lease liability, recognized when obligation for payment is incurred for finance and operating leases." } } }, "auth_ref": [ "r668", "r962" ] }, "us-gaap_VariableRateAxis": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "VariableRateAxis", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/FhlbAdvancesAndOtherBorrowingsAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "label": "Variable Rate [Axis]", "documentation": "Information by type of variable rate." } } }, "auth_ref": [] }, "us-gaap_VariableRateDomain": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "VariableRateDomain", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/FhlbAdvancesAndOtherBorrowingsAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "label": "Variable Rate [Domain]", "documentation": "Interest rate that fluctuates over time as a result of an underlying benchmark interest rate or index." } } }, "auth_ref": [] }, "bcow_VariableRateMember": { "xbrltype": "domainItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "VariableRateMember", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureCommitmentsAndContingenciesSummaryOfContractAmountsOfCreditrelatedFinancialInstrumentsDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Variable Rate [Member]", "label": "Variable Rate [Member]", "documentation": "Variable rate." } } }, "auth_ref": [] }, "us-gaap_VestingAxis": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "VestingAxis", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedBalanceSheetsParenthetical", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/EmployeeStockOwnershipPlanAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "label": "Vesting [Axis]", "documentation": "Information by vesting schedule of award under share-based payment arrangement." } } }, "auth_ref": [ "r1178", "r1179", "r1180", "r1181", "r1182", "r1183", "r1184", "r1185", "r1186", "r1187", "r1188", "r1189", "r1190", "r1191", "r1192", "r1193", "r1194", "r1195", "r1196", "r1197", "r1198", "r1199", "r1200", "r1201", "r1202", "r1203" ] }, "us-gaap_VestingDomain": { "xbrltype": "domainItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "VestingDomain", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedBalanceSheetsParenthetical", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/EmployeeStockOwnershipPlanAdditionalInformationDetail" ], "lang": { "en-us": { "role": { "label": "Vesting [Domain]", "documentation": "Vesting schedule of award under share-based payment arrangement." } } }, "auth_ref": [ "r1178", "r1179", "r1180", "r1181", "r1182", "r1183", "r1184", "r1185", "r1186", "r1187", "r1188", "r1189", "r1190", "r1191", "r1192", "r1193", "r1194", "r1195", "r1196", "r1197", "r1198", "r1199", "r1200", "r1201", "r1202", "r1203" ] }, "bcow_WatchAndSpecialMentionMember": { "xbrltype": "domainItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "WatchAndSpecialMentionMember", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureLoansSummaryOfAmortizedCostBasisOfLoansByCreditQualityIndicatorAndOriginationYearDetails" ], "lang": { "en-us": { "role": { "label": "Watch and Special Mention [Member]", "documentation": "Watch and special mention." } } }, "auth_ref": [] }, "us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment": { "xbrltype": "sharesItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "WeightedAverageNumberDilutedSharesOutstandingAdjustment", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureEarningsLossPerShareEpsEarningsPerCommonShareDetail": { "parentTag": "us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding", "weight": 1.0, "order": 1.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureEarningsLossPerShareEpsEarningsPerCommonShareDetail", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureEarningsLossPerShareEpsScheduleOfEarningsPerShareBasicAndDilutedParentheticalDetail" ], "lang": { "en-us": { "role": { "verboseLabel": "Additional dilutive shares", "label": "Weighted Average Number of Shares Outstanding, Diluted, Adjustment", "totalLabel": "Weighted Average Number of Shares Outstanding, Diluted, Adjustment, Total", "terseLabel": "Dilutive shares", "documentation": "The sum of dilutive potential common shares or units used in the calculation of the diluted per-share or per-unit computation." } } }, "auth_ref": [ "r1129" ] }, "us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding": { "xbrltype": "sharesItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "WeightedAverageNumberOfDilutedSharesOutstanding", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureEarningsLossPerShareEpsEarningsPerCommonShareDetail": { "parentTag": null, "weight": null, "order": null, "root": true } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfOperations", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureEarningsLossPerShareEpsEarningsPerCommonShareDetail" ], "lang": { "en-us": { "role": { "verboseLabel": "Diluted", "label": "Weighted Average Number of Shares Outstanding, Diluted", "terseLabel": "Weighted average shares outstanding for dilutive EPS", "totalLabel": "Weighted average shares outstanding for dilutive EPS", "documentation": "The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period." } } }, "auth_ref": [ "r335", "r341" ] }, "us-gaap_WeightedAverageNumberOfSharesEmployeeStockOwnershipPlanSharesNotCommittedToBeReleased": { "xbrltype": "sharesItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "WeightedAverageNumberOfSharesEmployeeStockOwnershipPlanSharesNotCommittedToBeReleased", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureEarningsLossPerShareEpsEarningsPerCommonShareDetail": { "parentTag": "us-gaap_WeightedAverageNumberOfSharesOutstandingBasic", "weight": -1.0, "order": 1.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureEarningsLossPerShareEpsEarningsPerCommonShareDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Less: Weighted average unallocated ESOP shares", "label": "Weighted Average Number of Shares, Employee Stock Ownership Plan Shares Not Committed to be Released", "documentation": "Number of employee stock ownership plan (ESOP) shares that have not been committed to be released determined by relating the portion of time within a reporting period that these shares have been outstanding to the total time in that period." } } }, "auth_ref": [ "r103" ] }, "us-gaap_WeightedAverageNumberOfSharesIssuedBasic": { "xbrltype": "sharesItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "WeightedAverageNumberOfSharesIssuedBasic", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureEarningsLossPerShareEpsEarningsPerCommonShareDetail": { "parentTag": "us-gaap_WeightedAverageNumberOfSharesOutstandingBasic", "weight": 1.0, "order": 0.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureEarningsLossPerShareEpsEarningsPerCommonShareDetail" ], "lang": { "en-us": { "role": { "terseLabel": "Weighted average shares outstanding", "label": "Weighted Average Number of Shares Issued, Basic", "documentation": "This element represents the weighted average total number of shares issued throughout the period including the first (beginning balance outstanding) and last (ending balance outstanding) day of the period before considering any reductions (for instance, shares held in treasury) to arrive at the weighted average number of shares outstanding. Weighted average relates to the portion of time within a reporting period that common shares have been issued and outstanding to the total time in that period. Such concept is used in determining the weighted average number of shares outstanding for purposes of calculating earnings per share (basic)." } } }, "auth_ref": [ "r69", "r70" ] }, "us-gaap_WeightedAverageNumberOfSharesOutstandingBasic": { "xbrltype": "sharesItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "WeightedAverageNumberOfSharesOutstandingBasic", "calculation": { "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureEarningsLossPerShareEpsEarningsPerCommonShareDetail": { "parentTag": "us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding", "weight": 1.0, "order": 0.0 } }, "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfOperations", "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureEarningsLossPerShareEpsEarningsPerCommonShareDetail" ], "lang": { "en-us": { "role": { "verboseLabel": "Basic", "terseLabel": "Weighted average shares outstanding for basic EPS", "label": "Weighted Average Number of Shares Outstanding, Basic", "totalLabel": "Weighted average shares outstanding for basic EPS", "documentation": "Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period." } } }, "auth_ref": [ "r334", "r341" ] }, "us-gaap_WeightedAverageNumberOfSharesOutstandingBasicAbstract": { "xbrltype": "stringItemType", "nsuri": "http://fasb.org/us-gaap/2023", "localname": "WeightedAverageNumberOfSharesOutstandingBasicAbstract", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/DisclosureEarningsLossPerShareEpsEarningsPerCommonShareDetail" ], "lang": { "en-us": { "role": { "verboseLabel": "Weighted shares outstanding for basic EPS", "label": "Weighted Average Number of Shares Outstanding, Basic [Abstract]" } } }, "auth_ref": [] }, "bcow_WeightedAverageNumberOfSharesOutstandingBasicAndDilutedAbstract": { "xbrltype": "stringItemType", "nsuri": "http://www.1895bancorpofwisconsin.com/20231231", "localname": "WeightedAverageNumberOfSharesOutstandingBasicAndDilutedAbstract", "presentation": [ "http://www.1895bancorpofwisconsin.com/20231231/taxonomy/role/ConsolidatedStatementsOfOperations" ], "lang": { "en-us": { "role": { "documentation": "Weighted Average Number Of Shares Outstanding Basic And Diluted Abstract", "verboseLabel": "Average common shares outstanding:", "label": "Weighted Average Number of Shares Outstanding Basic And Diluted [Abstract]" } } }, "auth_ref": [] } } } }, "std_ref": { "r0": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Section": "15", "Paragraph": "12", "Subparagraph": "(f)", "SubTopic": "10", "Topic": "810", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481410/810-10-15-12" }, "r1": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Section": "15", "Paragraph": "12", "Subparagraph": "(f)(2)", "SubTopic": "10", "Topic": "810", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481410/810-10-15-12" }, "r2": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Section": "25", "Paragraph": "1", "SubTopic": "20", "Topic": "940", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481913/940-20-25-1" }, "r3": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "1", "SubTopic": "230", "Topic": "830", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481877/830-230-45-1" }, "r4": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "10A", "SubTopic": "10", "Topic": "220", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482790/220-10-45-10A" }, "r5": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "12", "SubTopic": "10", "Topic": "220", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482790/220-10-45-12" }, "r6": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "14", "Subparagraph": "(a)", "SubTopic": "10", "Topic": "230", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482740/230-10-45-14" }, "r7": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "15", "SubTopic": "10", "Topic": "220", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482790/220-10-45-15" }, "r8": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "20", "SubTopic": "10", "Topic": "810", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481231/810-10-45-20" }, "r9": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "21C", "SubTopic": "10", "Topic": "230", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482740/230-10-45-21C" }, "r10": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "28", "Subparagraph": "(a)", "SubTopic": "10", "Topic": "230", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482740/230-10-45-28" }, "r11": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "28", "Subparagraph": "(b)", "SubTopic": "10", "Topic": "230", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482740/230-10-45-28" }, "r12": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "SubTopic": "10", "Topic": "360", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482099/360-10-50-1" }, "r13": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "SubTopic": "10", "Topic": "470", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481544/470-10-50-1" }, "r14": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "SubTopic": "10", "Topic": "718", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480429/718-10-50-1" }, "r15": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "SubTopic": "20", "Topic": "715", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480506/715-20-50-1" }, "r16": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "SubTopic": "30", "Topic": "715", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481097/715-30-50-1" }, "r17": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "SubTopic": "405", "Topic": "942", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481047/942-405-50-1" }, "r18": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "SubTopic": "60", "Topic": "715", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480266/715-60-50-1" }, "r19": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(c)", "SubTopic": "405", "Topic": "942", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481047/942-405-50-1" }, "r20": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "11B", "Subparagraph": "(c)(1)", "SubTopic": "10", "Topic": "310", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481962/310-10-50-11B" }, "r21": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "11B", "Subparagraph": "(c)(2)", "SubTopic": "10", "Topic": "310", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481962/310-10-50-11B" }, "r22": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "11B", "Subparagraph": "(c)(3)", "SubTopic": "10", "Topic": "310", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481962/310-10-50-11B" }, "r23": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "11B", "Subparagraph": "(c)(4)", "SubTopic": "10", "Topic": "310", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481962/310-10-50-11B" }, "r24": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "11B", "Subparagraph": "(g)", "SubTopic": "10", "Topic": "310", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481962/310-10-50-11B" }, "r25": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "15", "Subparagraph": "(e)", "SubTopic": "10", "Topic": "740", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482685/740-10-50-15" }, "r26": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1A", "Subparagraph": "(c)(3)", "SubTopic": "10", "Topic": "810", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481203/810-10-50-1A" }, "r27": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1A", "Subparagraph": "(c),(3)", "SubTopic": "10", "Topic": "810", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481203/810-10-50-1A" }, "r28": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "SubTopic": "10", "Topic": "505", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481112/505-10-50-2" }, "r29": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "SubTopic": "80", "Topic": "715", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480576/715-80-50-2" }, "r30": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(bbb)", "SubTopic": "10", "Topic": "820", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482106/820-10-50-2" }, "r31": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(c)", "SubTopic": "10", "Topic": "820", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482106/820-10-50-2" }, "r32": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(d)", "SubTopic": "10", "Topic": "718", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480429/718-10-50-2" }, "r33": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(e)", "SubTopic": "10", "Topic": "718", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480429/718-10-50-2" }, "r34": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2A", "Subparagraph": "(a)", "SubTopic": "10", "Topic": "718", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480429/718-10-50-2A" }, "r35": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3", "Subparagraph": "(a)", "SubTopic": "50", "Topic": "860", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481229/860-50-50-3" }, "r36": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "35", "SubTopic": "10", "Topic": "310", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481962/310-10-50-35" }, "r37": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "6A", "Subparagraph": "(a)", "SubTopic": "10", "Topic": "820", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482106/820-10-50-6A" }, "r38": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Section": "50", "Subparagraph": "(a)", "Paragraph": "4", "SubTopic": "20", "Topic": "860", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481326/860-20-50-4" }, "r39": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "15", "SubTopic": "10", "Topic": "220", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482739/220-10-55-15" }, "r40": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "SubTopic": "10", "Topic": "815", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147479601/815-10-S99-1" }, "r41": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.5-02(22))", "SubTopic": "10", "Topic": "210", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480566/210-10-S99-1" }, "r42": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "210", "SubTopic": "10", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.5-02.19(a))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480566/210-10-S99-1" }, "r43": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "210", "SubTopic": "10", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.5-02.19(b),22(b))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480566/210-10-S99-1" }, "r44": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "210", "SubTopic": "10", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.5-02.19)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480566/210-10-S99-1" }, "r45": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "210", "SubTopic": "10", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.5-02.19-26)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480566/210-10-S99-1" }, "r46": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "210", "SubTopic": "10", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.5-02.22 (b))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480566/210-10-S99-1" }, "r47": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "210", "SubTopic": "10", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.5-02.22(a)(1))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480566/210-10-S99-1" }, "r48": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "210", "SubTopic": "10", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.5-02.22)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480566/210-10-S99-1" }, "r49": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "210", "SubTopic": "10", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.5-02.29,30)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480566/210-10-S99-1" }, "r50": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "210", "SubTopic": "10", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.5-02.29-31)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480566/210-10-S99-1" }, "r51": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "210", "SubTopic": "10", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.5-02.3,4)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480566/210-10-S99-1" }, "r52": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "220", "SubTopic": "10", "Section": "45", "Paragraph": "14", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482790/220-10-45-14" }, "r53": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "220", "SubTopic": "10", "Section": "45", "Paragraph": "14A", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482790/220-10-45-14A" }, "r54": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "220", "SubTopic": "10", "Section": "45", "Paragraph": "5", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482790/220-10-45-5" }, "r55": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "230", "SubTopic": "10", "Section": "45", "Paragraph": "12", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482740/230-10-45-12" }, "r56": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "230", "SubTopic": "10", "Section": "45", "Paragraph": "12", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482740/230-10-45-12" }, "r57": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "230", "SubTopic": "10", "Section": "45", "Paragraph": "13", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482740/230-10-45-13" }, "r58": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "230", "SubTopic": "10", "Section": "45", "Paragraph": "15", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482740/230-10-45-15" }, "r59": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "230", "SubTopic": "10", "Section": "45", "Paragraph": "15", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482740/230-10-45-15" }, "r60": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "230", "SubTopic": "10", "Section": "45", "Paragraph": "21", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482740/230-10-45-21" }, "r61": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "230", "SubTopic": "10", "Section": "45", "Paragraph": "25", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482740/230-10-45-25" }, "r62": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "230", "SubTopic": "10", "Section": "45", "Paragraph": "4", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482740/230-10-45-4" }, "r63": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "230", "SubTopic": "10", "Section": "45", "Paragraph": "8", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482740/230-10-45-8" }, "r64": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "230", "SubTopic": "10", "Section": "50", "Paragraph": "1", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482913/230-10-50-1" }, "r65": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "230", "SubTopic": "10", "Section": "50", "Paragraph": "2", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482913/230-10-50-2" }, "r66": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "230", "SubTopic": "10", "Section": "50", "Paragraph": "3", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482913/230-10-50-3" }, "r67": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "230", "SubTopic": "10", "Section": "50", "Paragraph": "4", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482913/230-10-50-4" }, "r68": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "230", "SubTopic": "10", "Section": "50", "Paragraph": "5", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482913/230-10-50-5" }, "r69": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "260", "SubTopic": "10", "Section": "45", "Paragraph": "10", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482689/260-10-45-10" }, "r70": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "260", "SubTopic": "10", "Section": "45", "Paragraph": "13", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482689/260-10-45-13" }, "r71": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "260", "SubTopic": "10", "Section": "50", "Paragraph": "1", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482662/260-10-50-1" }, "r72": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "275", "SubTopic": "10", "Section": "50", "Paragraph": "4", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482861/275-10-50-4" }, "r73": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "275", "SubTopic": "10", "Section": "50", "Paragraph": "8", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482861/275-10-50-8" }, "r74": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "275", "SubTopic": "10", "Section": "50", "Paragraph": "9", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482861/275-10-50-9" }, "r75": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "310", "SubTopic": "10", "Section": "50", "Paragraph": "11B", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481962/310-10-50-11B" }, "r76": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "310", "SubTopic": "10", "Section": "50", "Paragraph": "14A", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481962/310-10-50-14A" }, "r77": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "310", "SubTopic": "10", "Section": "50", "Paragraph": "15", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481962/310-10-50-15" }, "r78": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "310", "SubTopic": "10", "Section": "50", "Paragraph": "15", "Subparagraph": "(a)(3)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481962/310-10-50-15" }, "r79": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "310", "SubTopic": "10", "Section": "50", "Paragraph": "15", "Subparagraph": "(a)(4)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481962/310-10-50-15" }, "r80": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "310", "SubTopic": "10", "Section": "50", "Paragraph": "15", "Subparagraph": "(c)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481962/310-10-50-15" }, "r81": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "310", "SubTopic": "10", "Section": "50", "Paragraph": "15", "Subparagraph": "(c)(2)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481962/310-10-50-15" }, "r82": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "310", "SubTopic": "10", "Section": "50", "Paragraph": "17", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481962/310-10-50-17" }, "r83": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "310", "SubTopic": "10", "Section": "50", "Paragraph": "29", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481962/310-10-50-29" }, "r84": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "310", "SubTopic": "10", "Section": "50", "Paragraph": "7", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481962/310-10-50-7" }, "r85": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "310", "SubTopic": "10", "Section": "50", "Paragraph": "7", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481962/310-10-50-7" }, "r86": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "310", "SubTopic": "10", "Section": "50", "Paragraph": "7A", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481962/310-10-50-7A" }, "r87": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "310", "SubTopic": "10", "Section": "50", "Paragraph": "9", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481962/310-10-50-9" }, "r88": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "310", "SubTopic": "20", "Section": "45", "Paragraph": "1", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481598/310-20-45-1" }, "r89": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "310", "SubTopic": "30", "Section": "50", "Paragraph": "2", "Subparagraph": "(b)(1)(ii)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481696/310-30-50-2" }, "r90": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "350", "SubTopic": "30", "Section": "50", "Paragraph": "2", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482665/350-30-50-2" }, "r91": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "360", "SubTopic": "10", "Section": "50", "Paragraph": "1", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482099/360-10-50-1" }, "r92": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "360", "SubTopic": "10", "Section": "50", "Paragraph": "1", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482099/360-10-50-1" }, "r93": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "505", "SubTopic": "10", "Section": "50", "Paragraph": "3", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481112/505-10-50-3" }, "r94": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "505", "SubTopic": "10", "Section": "S99", "Paragraph": "1", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480008/505-10-S99-1" }, "r95": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "505", "SubTopic": "30", "Section": "45", "Paragraph": "1", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481549/505-30-45-1" }, "r96": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "505", "SubTopic": "30", "Section": "50", "Paragraph": "4", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481520/505-30-50-4" }, "r97": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "710", "SubTopic": "10", "Section": "30", "Paragraph": "2", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147483043/710-10-30-2" }, "r98": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "715", "SubTopic": "70", "Section": "50", "Paragraph": "1", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480794/715-70-50-1" }, "r99": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "718", "SubTopic": "10", "Section": "50", "Paragraph": "2", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480429/718-10-50-2" }, "r100": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "718", "SubTopic": "10", "Section": "50", "Paragraph": "2", "Subparagraph": "(c)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480429/718-10-50-2" }, "r101": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "718", "SubTopic": "20", "Section": "55", "Paragraph": "12", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481089/718-20-55-12" }, "r102": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "718", "SubTopic": "20", "Section": "55", "Paragraph": "13", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481089/718-20-55-13" }, "r103": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "718", "SubTopic": "40", "Section": "45", "Paragraph": "3", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480520/718-40-45-3" }, "r104": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "718", "SubTopic": "40", "Section": "50", "Paragraph": "1", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480489/718-40-50-1" }, "r105": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "718", "SubTopic": "40", "Section": "50", "Paragraph": "1", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480489/718-40-50-1" }, "r106": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "718", "SubTopic": "40", "Section": "50", "Paragraph": "1", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480489/718-40-50-1" }, "r107": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "718", "SubTopic": "40", "Section": "50", "Paragraph": "1", "Subparagraph": "(d)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480489/718-40-50-1" }, "r108": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "718", "SubTopic": "40", "Section": "50", "Paragraph": "1", "Subparagraph": "(e)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480489/718-40-50-1" }, "r109": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "740", "SubTopic": "10", "Section": "45", "Paragraph": "6", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482525/740-10-45-6" }, "r110": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "740", "SubTopic": "10", "Section": "50", "Paragraph": "3", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482685/740-10-50-3" }, "r111": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "740", "SubTopic": "10", "Section": "50", "Paragraph": "3", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482685/740-10-50-3" }, "r112": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "740", "SubTopic": "10", "Section": "50", "Paragraph": "8", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482685/740-10-50-8" }, "r113": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "815", "SubTopic": "10", "Section": "50", "Paragraph": "4A", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480434/815-10-50-4A" }, "r114": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "815", "SubTopic": "10", "Section": "50", "Paragraph": "4B", "Subparagraph": "(d)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480434/815-10-50-4B" }, "r115": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "815", "SubTopic": "10", "Section": "50", "Paragraph": "9", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480434/815-10-50-9" }, "r116": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "815", "SubTopic": "10", "Section": "55", "Paragraph": "182", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480401/815-10-55-182" }, "r117": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "815", "SubTopic": "20", "Section": "50", "Paragraph": "1", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480591/815-20-50-1" }, "r118": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "820", "SubTopic": "10", "Section": "50", "Paragraph": "2", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482106/820-10-50-2" }, "r119": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "820", "SubTopic": "10", "Section": "50", "Paragraph": "3", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482106/820-10-50-3" }, "r120": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "825", "SubTopic": "10", "Section": "50", "Paragraph": "11", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482907/825-10-50-11" }, "r121": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "825", "SubTopic": "10", "Section": "50", "Paragraph": "12", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482907/825-10-50-12" }, "r122": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "835", "SubTopic": "30", "Section": "45", "Paragraph": "3", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482925/835-30-45-3" }, "r123": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "850", "SubTopic": "10", "Section": "50", "Paragraph": "1", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147483326/850-10-50-1" }, "r124": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "850", "SubTopic": "10", "Section": "50", "Paragraph": "1", "Subparagraph": "(d)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147483326/850-10-50-1" }, "r125": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "850", "SubTopic": "10", "Section": "50", "Paragraph": "3", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147483326/850-10-50-3" }, "r126": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "860", "SubTopic": "50", "Section": "50", "Paragraph": "2", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481229/860-50-50-2" }, "r127": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "860", "SubTopic": "50", "Section": "50", "Paragraph": "4", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481229/860-50-50-4" }, "r128": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "942", "SubTopic": "210", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.9-03.1,2,3)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147479853/942-210-S99-1" }, "r129": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "942", "SubTopic": "210", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.9-03.12)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147479853/942-210-S99-1" }, "r130": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "942", "SubTopic": "210", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.9-03.15(5))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147479853/942-210-S99-1" }, "r131": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "942", "SubTopic": "210", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.9-03.15)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147479853/942-210-S99-1" }, "r132": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "942", "SubTopic": "210", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.9-03.3)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147479853/942-210-S99-1" }, "r133": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "942", "SubTopic": "210", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.9-03.4)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147479853/942-210-S99-1" }, "r134": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "942", "SubTopic": "210", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.9-03.7(e))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147479853/942-210-S99-1" }, "r135": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "942", "SubTopic": "210", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.9-03.7)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147479853/942-210-S99-1" }, "r136": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "942", "SubTopic": "230", "Section": "45", "Paragraph": "1", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481160/942-230-45-1" }, "r137": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "942", "SubTopic": "320", "Section": "50", "Paragraph": "5", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480832/942-320-50-5" }, "r138": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Name": "Accounting Standards Codification", "Topic": "942", "SubTopic": "405", "Section": "50", "Paragraph": "1", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481047/942-405-50-1" }, "r139": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "210", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.5-02(19))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480566/210-10-S99-1" }, "r140": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "210", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.5-02(20))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480566/210-10-S99-1" }, "r141": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "210", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.5-02(28))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480566/210-10-S99-1" }, "r142": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "210", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.5-02(29))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480566/210-10-S99-1" }, "r143": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "210", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.5-02(30)(a)(1))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480566/210-10-S99-1" }, "r144": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "210", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.5-02(30)(a)(3))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480566/210-10-S99-1" }, "r145": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "210", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.5-02(30))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480566/210-10-S99-1" }, "r146": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "210", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.5-02(31))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480566/210-10-S99-1" }, "r147": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "210", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.5-02(32))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480566/210-10-S99-1" }, "r148": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "220", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "11", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482790/220-10-45-11" }, "r149": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "220", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.5-03(1)(e))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147483621/220-10-S99-1" }, "r150": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "220", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "2", "Subparagraph": "(SX 210.5-03(10))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147483621/220-10-S99-2" }, "r151": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "220", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "2", "Subparagraph": "(SX 210.5-03(20))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147483621/220-10-S99-2" }, "r152": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "220", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "2", "Subparagraph": "(SX 210.5-03(7)(c))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147483621/220-10-S99-2" }, "r153": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "220", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "2", "Subparagraph": "(SX 210.5-03.2(a),(d))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147483621/220-10-S99-2" }, "r154": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "220", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "2", "Subparagraph": "(SX 210.5-03.4)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147483621/220-10-S99-2" }, "r155": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "230", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "24", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482740/230-10-45-24" }, "r156": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "230", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "25", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482740/230-10-45-25" }, "r157": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "230", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "28", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482740/230-10-45-28" }, "r158": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "235", "Name": "Accounting Standards Codification", "Publisher": "FASB", "URI": "https://asc.fasb.org//235/tableOfContent" }, "r159": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "250", "Name": "Accounting Standards Codification", "Publisher": "FASB", "URI": "https://asc.fasb.org//250/tableOfContent" }, "r160": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "275", "Name": "Accounting Standards Codification", "Publisher": "FASB", "URI": "https://asc.fasb.org//275/tableOfContent" }, "r161": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "310", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "2", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481990/310-10-45-2" }, "r162": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "310", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "2", "Subparagraph": "(SAB Topic 4.E)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480418/310-10-S99-2" }, "r163": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "310", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481746/310-40-50-4" }, "r164": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "350", "SubTopic": "30", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(a)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482665/350-30-50-2" }, "r165": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "350", "SubTopic": "30", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(a)(3)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482665/350-30-50-2" }, "r166": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "360", "Name": "Accounting Standards Codification", "Publisher": "FASB", "URI": "https://asc.fasb.org//360/tableOfContent" }, "r167": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "360", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482099/360-10-50-1" }, "r168": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "440", "Name": "Accounting Standards Codification", "Publisher": "FASB", "URI": "https://asc.fasb.org//440/tableOfContent" }, "r169": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "505", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.3-04)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480008/505-10-S99-1" }, "r170": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "710", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "25", "Paragraph": "9", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147483070/710-10-25-9" }, "r171": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "718", "SubTopic": "10", "Subparagraph": "(e)(1)", "Name": "Accounting Standards Codification", "Paragraph": "2", "Section": "50", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480429/718-10-50-2" }, "r172": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "718", "SubTopic": "10", "Subparagraph": "(f)(2)", "Name": "Accounting Standards Codification", "Paragraph": "2", "Section": "50", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480429/718-10-50-2" }, "r173": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "740", "SubTopic": "10", "Name": "Accounting Standards Codification", "Paragraph": "12", "Section": "50", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482685/740-10-50-12" }, "r174": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "740", "SubTopic": "10", "Name": "Accounting Standards Codification", "Paragraph": "2", "Section": "50", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482685/740-10-50-2" }, "r175": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "740", "SubTopic": "10", "Name": "Accounting Standards Codification", "Paragraph": "9", "Section": "50", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482685/740-10-50-9" }, "r176": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "740", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "25", "Paragraph": "10", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482620/740-10-25-10" }, "r177": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "740", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "25", "Paragraph": "8", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482620/740-10-25-8" }, "r178": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "740", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SAB Topic 6.I.7)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147479360/740-10-S99-1" }, "r179": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "810", "Name": "Accounting Standards Codification", "Publisher": "FASB", "URI": "https://asc.fasb.org//810/tableOfContent" }, "r180": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "810", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "19", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481231/810-10-45-19" }, "r181": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "815", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SAB Topic 5.DD)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147479601/815-10-S99-1" }, "r182": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "820", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482106/820-10-50-2" }, "r183": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "825", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "10", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482907/825-10-50-10" }, "r184": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "940", "SubTopic": "320", "Name": "Accounting Standards Codification", "Publisher": "FASB", "URI": "https://asc.fasb.org//940-320/tableOfContent" }, "r185": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "942", "Name": "Accounting Standards Codification", "Publisher": "FASB", "URI": "https://asc.fasb.org//942/tableOfContent" }, "r186": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "942", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.9-03(1))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147479853/942-210-S99-1" }, "r187": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "942", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.9-03(10))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147479853/942-210-S99-1" }, "r188": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "942", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.9-03(11))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147479853/942-210-S99-1" }, "r189": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "942", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.9-03(13))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147479853/942-210-S99-1" }, "r190": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "942", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.9-03(16))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147479853/942-210-S99-1" }, "r191": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "942", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.9-03(23))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147479853/942-210-S99-1" }, "r192": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "942", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.9-03.13(3)(a))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147479853/942-210-S99-1" }, "r193": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "942", "SubTopic": "220", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.9-04(13))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147483589/942-220-S99-1" }, "r194": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "942", "SubTopic": "220", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.9-04(15))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147483589/942-220-S99-1" }, "r195": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "942", "SubTopic": "220", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.9-04(22))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147483589/942-220-S99-1" }, "r196": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "942", "SubTopic": "220", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.9-04.1)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147483589/942-220-S99-1" }, "r197": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "942", "SubTopic": "220", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.9-04.1-5)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147483589/942-220-S99-1" }, "r198": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "942", "SubTopic": "220", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.9-04.10)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147483589/942-220-S99-1" }, "r199": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "942", "SubTopic": "220", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.9-04.11)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147483589/942-220-S99-1" }, "r200": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "942", "SubTopic": "220", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.9-04.12)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147483589/942-220-S99-1" }, "r201": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "942", "SubTopic": "220", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.9-04.13(h))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147483589/942-220-S99-1" }, "r202": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "942", "SubTopic": "220", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.9-04.13)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147483589/942-220-S99-1" }, "r203": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "942", "SubTopic": "220", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.9-04.14(d))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147483589/942-220-S99-1" }, "r204": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "942", "SubTopic": "220", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.9-04.14)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147483589/942-220-S99-1" }, "r205": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "942", "SubTopic": "220", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.9-04.2)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147483589/942-220-S99-1" }, "r206": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "942", "SubTopic": "220", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.9-04.4)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147483589/942-220-S99-1" }, "r207": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "942", "SubTopic": "220", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.9-04.6)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147483589/942-220-S99-1" }, "r208": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "942", "SubTopic": "220", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.9-04.7,8)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147483589/942-220-S99-1" }, "r209": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "942", "SubTopic": "220", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.9-04.9)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147483589/942-220-S99-1" }, "r210": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "942", "SubTopic": "320", "Name": "Accounting Standards Codification", "Publisher": "FASB", "URI": "https://asc.fasb.org//942-320/tableOfContent" }, "r211": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "942", "SubTopic": "325", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "1", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481026/942-325-45-1" }, "r212": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "942", "SubTopic": "470", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "1", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480876/942-470-45-1" }, "r213": { "role": "http://fasb.org/us-gaap/role/ref/legacyRef", "Topic": "946", "SubTopic": "320", "Name": "Accounting Standards Codification", "Publisher": "FASB", "URI": "https://asc.fasb.org//946-320/tableOfContent" }, "r214": { "role": "http://fasb.org/us-gaap/role/ref/otherTransitionRef", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "11B", "Subparagraph": "(b)", "SubTopic": "10", "Topic": "310", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481962/310-10-50-11B" }, "r215": { "role": "http://fasb.org/us-gaap/role/ref/otherTransitionRef", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "6", "SubTopic": "10", "Topic": "310", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481962/310-10-50-6" }, "r216": { "role": "http://fasb.org/us-gaap/role/ref/otherTransitionRef", "Topic": "320", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "6", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481800/320-10-50-6" }, "r217": { "role": "http://fasb.org/us-gaap/role/ref/otherTransitionRef", "Topic": "320", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "6", "Subparagraph": "(a)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481800/320-10-50-6" }, "r218": { "role": "http://fasb.org/us-gaap/role/ref/otherTransitionRef", "Topic": "320", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "6", "Subparagraph": "(a)(2)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481800/320-10-50-6" }, "r219": { "role": "http://fasb.org/us-gaap/role/ref/otherTransitionRef", "Topic": "320", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "6", "Subparagraph": "(b)(3)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481800/320-10-50-6" }, "r220": { "role": "http://fasb.org/us-gaap/role/ref/otherTransitionRef", "Topic": "320", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "7", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481800/320-10-50-7" }, "r221": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "1", "SubTopic": "10", "Topic": "321", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147479567/321-10-45-1" }, "r222": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "1", "SubTopic": "310", "Topic": "944", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147479616/944-310-45-1" }, "r223": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "2", "SubTopic": "310", "Topic": "944", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147479616/944-310-45-2" }, "r224": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "2", "Subparagraph": "(a)", "SubTopic": "20", "Topic": "740", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482659/740-20-45-2" }, "r225": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "SubTopic": "310", "Topic": "944", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147479584/944-310-50-1" }, "r226": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(a)", "SubTopic": "20", "Topic": "310", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481569/310-20-50-1" }, "r227": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(a)", "SubTopic": "35", "Topic": "720", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147483406/720-35-50-1" }, "r228": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(b)", "SubTopic": "10", "Topic": "275", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482861/275-10-50-1" }, "r229": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(c)", "SubTopic": "10", "Topic": "275", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482861/275-10-50-1" }, "r230": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(d)", "SubTopic": "360", "Topic": "958", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480321/958-360-50-1" }, "r231": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "11", "SubTopic": "10", "Topic": "275", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482861/275-10-50-11" }, "r232": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "12", "SubTopic": "10", "Topic": "275", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482861/275-10-50-12" }, "r233": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "6", "SubTopic": "360", "Topic": "958", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480321/958-360-50-6" }, "r234": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "7", "SubTopic": "360", "Topic": "958", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480321/958-360-50-7" }, "r235": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "7", "Subparagraph": "(b)", "SubTopic": "10", "Topic": "310", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481962/310-10-50-7" }, "r236": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "7A", "SubTopic": "10", "Topic": "310", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481962/310-10-50-7A" }, "r237": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "9", "Subparagraph": "(b)", "SubTopic": "10", "Topic": "740", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482685/740-10-50-9" }, "r238": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "3", "Subparagraph": "(a)", "SubTopic": "10", "Topic": "326", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147479654/326-10-65-3" }, "r239": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "3", "Subparagraph": "(b)", "SubTopic": "10", "Topic": "326", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147479654/326-10-65-3" }, "r240": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "4", "Subparagraph": "(a)", "SubTopic": "10", "Topic": "842", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147479832/842-10-65-4" }, "r241": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.4-08(h))", "SubTopic": "10", "Topic": "235", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480678/235-10-S99-1" }, "r242": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.9-03(7)(e)(1)(i))", "SubTopic": "210", "Topic": "942", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147479853/942-210-S99-1" }, "r243": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Name": "Accounting Standards Codification", "Topic": "606", "Publisher": "FASB", "URI": "https://asc.fasb.org//606/tableOfContent" }, "r244": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Name": "Regulation S-K (SK)", "Number": "229", "Section": "1402", "Paragraph": "(a)", "Publisher": "SEC" }, "r245": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Name": "Regulation S-K (SK)", "Number": "229", "Section": "1402", "Paragraph": "(b)", "Subparagraph": "(1)", "Publisher": "SEC" }, "r246": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Name": "Regulation S-K (SK)", "Number": "229", "Section": "1403", "Paragraph": "(b)", "Publisher": "SEC" }, "r247": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Name": "Regulation S-K (SK)", "Number": "229", "Section": "1404", "Paragraph": "(a)", "Publisher": "SEC" }, "r248": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Name": "Regulation S-K (SK)", "Number": "229", "Section": "1404", "Paragraph": "(b)", "Publisher": "SEC" }, "r249": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Name": "Regulation S-K (SK)", "Number": "229", "Section": "1405", "Paragraph": "(a)", "Subparagraph": "(1)", "Publisher": "SEC" }, "r250": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Name": "Regulation S-K (SK)", "Number": "229", "Section": "1405", "Paragraph": "(a)", "Subparagraph": "(2)", "Publisher": "SEC" }, "r251": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Name": "Regulation S-K (SK)", "Number": "229", "Section": "1405", "Paragraph": "(a)", "Subparagraph": "(3)", "Publisher": "SEC" }, "r252": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Name": "Regulation S-K (SK)", "Number": "229", "Section": "1405", "Paragraph": "(a)", "Subparagraph": "(4)", "Publisher": "SEC" }, "r253": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Name": "Regulation S-K (SK)", "Number": "229", "Section": "1405", "Paragraph": "(c)", "Publisher": "SEC" }, "r254": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Name": "Regulation S-K (SK)", "Number": "229", "Section": "1406", "Paragraph": "(e)", "Publisher": "SEC" }, "r255": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Name": "Regulation S-K (SK)", "Number": "229", "Section": "1406", "Publisher": "SEC" }, "r256": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Name": "Regulation S-X (SX)", "Number": "210", "Section": "12", "Subsection": "04", "Paragraph": "a", "Publisher": "SEC" }, "r257": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Name": "Regulation S-X (SX)", "Number": "210", "Section": "12", "Subsection": "28", "Footnote": "4", "Publisher": "SEC" }, "r258": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Name": "Regulation S-X (SX)", "Number": "210", "Section": "4", "Subsection": "08", "Paragraph": "(m)", "Subparagraph": "(1)(iii)", "Publisher": "SEC" }, "r259": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Name": "Regulation S-X (SX)", "Number": "210", "Section": "5", "Subsection": "04", "Paragraph": "c", "Subparagraph": "Schedule I", "Publisher": "SEC" }, "r260": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Name": "Regulation S-X (SX)", "Number": "210", "Section": "7", "Subsection": "05", "Paragraph": "c", "Subparagraph": "Schedule II", "Publisher": "SEC" }, "r261": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Name": "Regulation S-X (SX)", "Number": "210", "Section": "9", "Subsection": "06", "Publisher": "SEC" }, "r262": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "105", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "6", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147479343/105-10-65-6" }, "r263": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "105", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "6", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147479343/105-10-65-6" }, "r264": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "105", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "6", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147479343/105-10-65-6" }, "r265": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "105", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "6", "Subparagraph": "(d)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147479343/105-10-65-6" }, "r266": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "105", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "6", "Subparagraph": "(e)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147479343/105-10-65-6" }, "r267": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "205", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "6", "Subparagraph": "(SX 210.5-04(Schedule I))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480922/205-10-S99-6" }, "r268": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "205", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "7", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147483499/205-20-50-7" }, "r269": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "210", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.5-02(1))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480566/210-10-S99-1" }, "r270": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "210", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.5-02(13))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480566/210-10-S99-1" }, "r271": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "210", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.5-02(14))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480566/210-10-S99-1" }, "r272": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "210", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.5-02(17))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480566/210-10-S99-1" }, "r273": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "210", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.5-02(18))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480566/210-10-S99-1" }, "r274": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "210", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.5-02(2))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480566/210-10-S99-1" }, "r275": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "210", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.5-02(27)(b))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480566/210-10-S99-1" }, "r276": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "210", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.5-02(28))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480566/210-10-S99-1" }, "r277": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "210", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.5-02(29))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480566/210-10-S99-1" }, "r278": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "210", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.5-02(3)(b))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480566/210-10-S99-1" }, "r279": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "210", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.5-02(30)(a)(4))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480566/210-10-S99-1" }, "r280": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "220", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "10A", "Subparagraph": "(e)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482790/220-10-45-10A" }, "r281": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "220", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "11", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482790/220-10-45-11" }, "r282": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "220", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "17A", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482790/220-10-45-17A" }, "r283": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "220", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "1A", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482790/220-10-45-1A" }, "r284": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "220", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "1A", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482790/220-10-45-1A" }, "r285": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "220", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "1A", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482790/220-10-45-1A" }, "r286": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "220", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "1B", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482790/220-10-45-1B" }, "r287": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "220", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "1B", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482790/220-10-45-1B" }, "r288": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "220", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482765/220-10-50-1" }, "r289": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "220", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482765/220-10-50-4" }, "r290": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "220", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "5", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482765/220-10-50-5" }, "r291": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "220", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "6", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482765/220-10-50-6" }, "r292": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "220", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "2", "Subparagraph": "(210.5-03(11))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147483621/220-10-S99-2" }, "r293": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "220", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "2", "Subparagraph": "(SX 210.5-03(21))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147483621/220-10-S99-2" }, "r294": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "220", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "2", "Subparagraph": "(SX 210.5-03(24))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147483621/220-10-S99-2" }, "r295": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "220", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "2", "Subparagraph": "(SX 210.5-03(25))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147483621/220-10-S99-2" }, "r296": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "230", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "11", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482740/230-10-45-11" }, "r297": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "230", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "12", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482740/230-10-45-12" }, "r298": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "230", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "17", "Subparagraph": "(d)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482740/230-10-45-17" }, "r299": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "230", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "19", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482740/230-10-45-19" }, "r300": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "230", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "2", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482740/230-10-45-2" }, "r301": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "230", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "24", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482740/230-10-45-24" }, "r302": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "230", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "25", "Subparagraph": "(e)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482740/230-10-45-25" }, "r303": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "230", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482913/230-10-50-2" }, "r304": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "230", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "8", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482913/230-10-50-8" }, "r305": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "235", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147483426/235-10-50-1" }, "r306": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "235", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.4-08(g)(1)(ii))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480678/235-10-S99-1" }, "r307": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "235", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.4-08(h)(2))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480678/235-10-S99-1" }, "r308": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "235", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.4-08(k)(1))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480678/235-10-S99-1" }, "r309": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "235", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.4-08(k)(2))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480678/235-10-S99-1" }, "r310": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "235", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.4-08(m)(1)(iii))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480678/235-10-S99-1" }, "r311": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "235", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.4-08(m)(2)(ii))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480678/235-10-S99-1" }, "r312": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "235", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "3", "Subparagraph": "(SX 210.12-04(a))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480678/235-10-S99-3" }, "r313": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "250", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "23", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147483421/250-10-45-23" }, "r314": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "250", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "24", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147483421/250-10-45-24" }, "r315": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "250", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "5", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147483421/250-10-45-5" }, "r316": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "250", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "6", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147483421/250-10-45-6" }, "r317": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "250", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147483443/250-10-50-1" }, "r318": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "250", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(b)(2)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147483443/250-10-50-1" }, "r319": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "250", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(b)(3)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147483443/250-10-50-1" }, "r320": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "250", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(b)(4)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147483443/250-10-50-1" }, "r321": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "250", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(c)(2)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147483443/250-10-50-1" }, "r322": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "250", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "11", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147483443/250-10-50-11" }, "r323": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "250", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "11", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147483443/250-10-50-11" }, "r324": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "250", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "12", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147483443/250-10-50-12" }, "r325": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "250", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147483443/250-10-50-3" }, "r326": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "250", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147483443/250-10-50-4" }, "r327": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "250", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "7", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147483443/250-10-50-7" }, "r328": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "250", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "7", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147483443/250-10-50-7" }, "r329": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "250", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "7", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147483443/250-10-50-7" }, "r330": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "250", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "8", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147483443/250-10-50-8" }, "r331": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "250", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "9", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147483443/250-10-50-9" }, "r332": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "250", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "5", "Subparagraph": "(SAB Topic 11.M.Q2)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480530/250-10-S99-5" }, "r333": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "260", "Name": "Accounting Standards Codification", "Publisher": "FASB", "URI": "https://asc.fasb.org//260/tableOfContent" }, "r334": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "260", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "10", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482689/260-10-45-10" }, "r335": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "260", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "16", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482689/260-10-45-16" }, "r336": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "260", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "2", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482689/260-10-45-2" }, "r337": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "260", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "3", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482689/260-10-45-3" }, "r338": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "260", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "60B", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482689/260-10-45-60B" }, "r339": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "260", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "60B", "Subparagraph": "(d)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482689/260-10-45-60B" }, "r340": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "260", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "7", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482689/260-10-45-7" }, "r341": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "260", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482662/260-10-50-1" }, "r342": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "260", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482662/260-10-50-1" }, "r343": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "260", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482662/260-10-50-2" }, "r344": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "260", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482662/260-10-50-3" }, "r345": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "260", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "15", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482635/260-10-55-15" }, "r346": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "272", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "1", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147483014/272-10-45-1" }, "r347": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "272", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482987/272-10-50-1" }, "r348": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "272", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482987/272-10-50-3" }, "r349": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "280", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "22", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482810/280-10-50-22" }, "r350": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "280", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "22", "Subparagraph": "(d)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482810/280-10-50-22" }, "r351": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "280", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "22", "Subparagraph": "(h)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482810/280-10-50-22" }, "r352": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "280", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "30", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482810/280-10-50-30" }, "r353": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "280", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "30", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482810/280-10-50-30" }, "r354": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "280", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "32", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482810/280-10-50-32" }, "r355": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "280", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "32", "Subparagraph": "(d)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482810/280-10-50-32" }, "r356": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "280", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "32", "Subparagraph": "(f)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482810/280-10-50-32" }, "r357": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "280", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "40", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482810/280-10-50-40" }, "r358": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "310", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "2", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481990/310-10-45-2" }, "r359": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "310", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "3", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481990/310-10-45-3" }, "r360": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "310", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "11", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481962/310-10-50-11" }, "r361": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "310", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "11C", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481962/310-10-50-11C" }, "r362": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "310", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "11C", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481962/310-10-50-11C" }, "r363": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "310", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481962/310-10-50-2" }, "r364": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "310", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481962/310-10-50-3" }, "r365": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "310", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "34", "Subparagraph": "(a)(2)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481962/310-10-50-34" }, "r366": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "310", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "42", "Subparagraph": "(a)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481962/310-10-50-42" }, "r367": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "310", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "42", "Subparagraph": "(a)(2)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481962/310-10-50-42" }, "r368": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "310", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "42", "Subparagraph": "(a)(3)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481962/310-10-50-42" }, "r369": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "310", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "44", "Subparagraph": "(a)(2)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481962/310-10-50-44" }, "r370": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "310", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "2", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481925/310-20-65-2" }, "r371": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "310", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "2", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481925/310-20-65-2" }, "r372": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "320", "Name": "Accounting Standards Codification", "Publisher": "FASB", "URI": "https://asc.fasb.org//320/tableOfContent" }, "r373": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "320", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "11", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481830/320-10-45-11" }, "r374": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "320", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "10", "Subparagraph": "(d)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481800/320-10-50-10" }, "r375": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "320", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481800/320-10-50-2" }, "r376": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "320", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481800/320-10-50-2" }, "r377": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "320", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(aa)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481800/320-10-50-2" }, "r378": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "320", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(aaa)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481800/320-10-50-2" }, "r379": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "320", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481800/320-10-50-2" }, "r380": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "320", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481800/320-10-50-2" }, "r381": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "320", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(d)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481800/320-10-50-2" }, "r382": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "320", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481800/320-10-50-3" }, "r383": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "320", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481800/320-10-50-3" }, "r384": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "320", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481800/320-10-50-3" }, "r385": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "320", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481800/320-10-50-3" }, "r386": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "320", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3", "Subparagraph": "(d)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481800/320-10-50-3" }, "r387": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "320", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "5", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481800/320-10-50-5" }, "r388": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "320", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "5", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481800/320-10-50-5" }, "r389": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "320", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "5", "Subparagraph": "(aaa)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481800/320-10-50-5" }, "r390": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "320", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "5", "Subparagraph": "(d)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481800/320-10-50-5" }, "r391": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "320", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "5", "Subparagraph": "(e)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481800/320-10-50-5" }, "r392": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "320", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "5", "Subparagraph": "(f)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481800/320-10-50-5" }, "r393": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "320", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "5", "Subparagraph": "(f)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481800/320-10-50-5" }, "r394": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "320", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "5", "Subparagraph": "(f)(2)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481800/320-10-50-5" }, "r395": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "320", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "5", "Subparagraph": "(f)(3)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481800/320-10-50-5" }, "r396": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "320", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "5", "Subparagraph": "(f)(4)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481800/320-10-50-5" }, "r397": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "320", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "5A", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481800/320-10-50-5A" }, "r398": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "320", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "5A", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481800/320-10-50-5A" }, "r399": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "320", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "5A", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481800/320-10-50-5A" }, "r400": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "320", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "5B", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481800/320-10-50-5B" }, "r401": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "320", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "5B", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481800/320-10-50-5B" }, "r402": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "320", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "5B", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481800/320-10-50-5B" }, "r403": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "320", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "5B", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481800/320-10-50-5B" }, "r404": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "320", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "5B", "Subparagraph": "(d)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481800/320-10-50-5B" }, "r405": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "320", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "9", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481800/320-10-50-9" }, "r406": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "320", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "9", "Subparagraph": "(d)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481800/320-10-50-9" }, "r407": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "323", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481687/323-10-50-3" }, "r408": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "325", "SubTopic": "30", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481463/325-30-50-2" }, "r409": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "326", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "1", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147479654/326-10-65-1" }, "r410": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "326", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "2", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147479654/326-10-65-2" }, "r411": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "326", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "4", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147479654/326-10-65-4" }, "r412": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "326", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "4", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147479654/326-10-65-4" }, "r413": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "326", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "4", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147479654/326-10-65-4" }, "r414": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "326", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "4", "Subparagraph": "(d)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147479654/326-10-65-4" }, "r415": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "326", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "4", "Subparagraph": "(e)(3)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147479654/326-10-65-4" }, "r416": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "326", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "4", "Subparagraph": "(e)(4)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147479654/326-10-65-4" }, "r417": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "326", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "5", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147479654/326-10-65-5" }, "r418": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "326", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "5", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147479654/326-10-65-5" }, "r419": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "326", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "5", "Subparagraph": "(b)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147479654/326-10-65-5" }, "r420": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "326", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "5", "Subparagraph": "(c)(2)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147479654/326-10-65-5" }, "r421": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "326", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "11", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147479319/326-20-50-11" }, "r422": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "326", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "13", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147479319/326-20-50-13" }, "r423": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "326", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "13", "Subparagraph": "(d)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147479319/326-20-50-13" }, "r424": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "326", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "13", "Subparagraph": "(e)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147479319/326-20-50-13" }, "r425": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "326", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "14", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147479319/326-20-50-14" }, "r426": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "326", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "16", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147479319/326-20-50-16" }, "r427": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "326", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "16", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147479319/326-20-50-16" }, "r428": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "326", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "16", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147479319/326-20-50-16" }, "r429": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "326", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "16", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147479319/326-20-50-16" }, "r430": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "326", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "21", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147479319/326-20-50-21" }, "r431": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "326", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "5", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147479319/326-20-50-5" }, "r432": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "326", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "5", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147479319/326-20-50-5" }, "r433": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "326", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "6", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147479319/326-20-50-6" }, "r434": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "326", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "6A", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147479319/326-20-50-6A" }, "r435": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "326", "SubTopic": "30", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "1", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147479130/326-30-45-1" }, "r436": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "326", "SubTopic": "30", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3D", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147479106/326-30-50-3D" }, "r437": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "326", "SubTopic": "30", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147479106/326-30-50-4" }, "r438": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "326", "SubTopic": "30", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4", "Subparagraph": "(a)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147479106/326-30-50-4" }, "r439": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "326", "SubTopic": "30", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4", "Subparagraph": "(a)(2)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147479106/326-30-50-4" }, "r440": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "326", "SubTopic": "30", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4", "Subparagraph": "(b)(3)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147479106/326-30-50-4" }, "r441": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "326", "SubTopic": "30", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "5", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147479106/326-30-50-5" }, "r442": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "326", "SubTopic": "30", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "7", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147479106/326-30-50-7" }, "r443": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "326", "SubTopic": "30", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "9", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147479106/326-30-50-9" }, "r444": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "405", "SubTopic": "50", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "1", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147477123/405-50-65-1" }, "r445": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "440", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482648/440-10-50-4" }, "r446": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "440", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482648/440-10-50-4" }, "r447": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "450", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147483076/450-20-50-1" }, "r448": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "450", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147483076/450-20-50-4" }, "r449": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "450", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "9", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147483076/450-20-50-9" }, "r450": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "450", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SAB Topic 5.Y.Q2)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480102/450-20-S99-1" }, "r451": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "450", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SAB Topic 5.Y.Q4)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480102/450-20-S99-1" }, "r452": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "460", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482425/460-10-50-3" }, "r453": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "470", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1A", "Subparagraph": "(SX 210.13-01(a)(4)(i))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480097/470-10-S99-1A" }, "r454": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "470", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1A", "Subparagraph": "(SX 210.13-01(a)(4)(iii)(A))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480097/470-10-S99-1A" }, "r455": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "470", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1A", "Subparagraph": "(SX 210.13-01(a)(4)(iv))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480097/470-10-S99-1A" }, "r456": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "470", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1A", "Subparagraph": "(SX 210.13-01(a)(5))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480097/470-10-S99-1A" }, "r457": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "470", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1B", "Subparagraph": "(SX 210.13-02(a)(4)(i))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480097/470-10-S99-1B" }, "r458": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "470", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1B", "Subparagraph": "(SX 210.13-02(a)(4)(iii)(A))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480097/470-10-S99-1B" }, "r459": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "470", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1B", "Subparagraph": "(SX 210.13-02(a)(4)(iii)(B))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480097/470-10-S99-1B" }, "r460": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "470", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1B", "Subparagraph": "(SX 210.13-02(a)(4)(iv))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480097/470-10-S99-1B" }, "r461": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "470", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1B", "Subparagraph": "(SX 210.13-02(a)(5))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480097/470-10-S99-1B" }, "r462": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "470", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1B", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481139/470-20-50-1B" }, "r463": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "470", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1B", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481139/470-20-50-1B" }, "r464": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "470", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1B", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481139/470-20-50-1B" }, "r465": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "470", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1B", "Subparagraph": "(e)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481139/470-20-50-1B" }, "r466": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "470", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1B", "Subparagraph": "(f)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481139/470-20-50-1B" }, "r467": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "470", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1B", "Subparagraph": "(h)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481139/470-20-50-1B" }, "r468": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "470", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1D", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481139/470-20-50-1D" }, "r469": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "470", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1D", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481139/470-20-50-1D" }, "r470": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "470", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1D", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481139/470-20-50-1D" }, "r471": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "470", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1E", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481139/470-20-50-1E" }, "r472": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "470", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1E", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481139/470-20-50-1E" }, "r473": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "470", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1E", "Subparagraph": "(d)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481139/470-20-50-1E" }, "r474": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "470", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1F", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481139/470-20-50-1F" }, "r475": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "470", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1F", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481139/470-20-50-1F" }, "r476": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "470", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1F", "Subparagraph": "(b)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481139/470-20-50-1F" }, "r477": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "470", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1F", "Subparagraph": "(b)(2)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481139/470-20-50-1F" }, "r478": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "470", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1I", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481139/470-20-50-1I" }, "r479": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "505", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "13", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481112/505-10-50-13" }, "r480": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "505", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "13", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481112/505-10-50-13" }, "r481": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "505", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "13", "Subparagraph": "(e)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481112/505-10-50-13" }, "r482": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "505", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "13", "Subparagraph": "(h)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481112/505-10-50-13" }, "r483": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "505", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "14", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481112/505-10-50-14" }, "r484": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "505", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "18", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481112/505-10-50-18" }, "r485": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "505", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481112/505-10-50-2" }, "r486": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "505", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.3-04)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480008/505-10-S99-1" }, "r487": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "606", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "17", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147479806/606-10-50-17" }, "r488": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "606", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "18", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147479806/606-10-50-18" }, "r489": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "606", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "18", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147479806/606-10-50-18" }, "r490": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "606", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "19", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147479806/606-10-50-19" }, "r491": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "606", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "20", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147479806/606-10-50-20" }, "r492": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "606", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "20", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147479806/606-10-50-20" }, "r493": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "606", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "20", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147479806/606-10-50-20" }, "r494": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "606", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "20", "Subparagraph": "(d)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147479806/606-10-50-20" }, "r495": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "715", "Name": "Accounting Standards Codification", "Publisher": "FASB", "URI": "https://asc.fasb.org//715/tableOfContent" }, "r496": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(a)(6)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480506/715-20-50-1" }, "r497": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(d)(i)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480506/715-20-50-1" }, "r498": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(d)(iii)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480506/715-20-50-1" }, "r499": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(d)(iv)(01)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480506/715-20-50-1" }, "r500": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(d)(iv)(02)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480506/715-20-50-1" }, "r501": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(d)(iv)(02)(A)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480506/715-20-50-1" }, "r502": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(d)(iv)(02)(B)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480506/715-20-50-1" }, "r503": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(d)(iv)(02)(C)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480506/715-20-50-1" }, "r504": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(d)(iv)(03)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480506/715-20-50-1" }, "r505": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(l)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480506/715-20-50-1" }, "r506": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(n)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480506/715-20-50-1" }, "r507": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(o)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480506/715-20-50-1" }, "r508": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(p)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480506/715-20-50-1" }, "r509": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(q)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480506/715-20-50-1" }, "r510": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(r)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480506/715-20-50-1" }, "r511": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(r)(2)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480506/715-20-50-1" }, "r512": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "2", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480126/715-20-S99-2" }, "r513": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "715", "SubTopic": "60", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480266/715-60-50-3" }, "r514": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "715", "SubTopic": "60", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480266/715-60-50-4" }, "r515": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "715", "SubTopic": "70", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480794/715-70-50-1" }, "r516": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "715", "SubTopic": "80", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "5", "Subparagraph": "(d)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480576/715-80-50-5" }, "r517": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "718", "Name": "Accounting Standards Codification", "Publisher": "FASB", "URI": "https://asc.fasb.org//718/tableOfContent" }, "r518": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "718", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "35", "Paragraph": "1D", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480483/718-10-35-1D" }, "r519": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "718", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "35", "Paragraph": "2", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480483/718-10-35-2" }, "r520": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "718", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "35", "Paragraph": "3", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480483/718-10-35-3" }, "r521": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "718", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480429/718-10-50-2" }, "r522": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "718", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(a)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480429/718-10-50-2" }, "r523": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "718", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(a)(2)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480429/718-10-50-2" }, "r524": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "718", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(a)(3)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480429/718-10-50-2" }, "r525": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "718", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(c)(1)(i)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480429/718-10-50-2" }, "r526": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "718", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(c)(1)(ii)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480429/718-10-50-2" }, "r527": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "718", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(c)(1)(iii)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480429/718-10-50-2" }, "r528": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "718", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(c)(1)(iv)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480429/718-10-50-2" }, "r529": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "718", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(c)(1)(iv)(01)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480429/718-10-50-2" }, "r530": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "718", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(c)(1)(iv)(02)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480429/718-10-50-2" }, "r531": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "718", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(c)(1)(iv)(03)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480429/718-10-50-2" }, "r532": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "718", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(c)(1)(iv)(04)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480429/718-10-50-2" }, "r533": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "718", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(c)(2)(i)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480429/718-10-50-2" }, "r534": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "718", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(c)(2)(ii)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480429/718-10-50-2" }, "r535": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "718", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(c)(2)(iii)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480429/718-10-50-2" }, "r536": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "718", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(c)(2)(iii)(01)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480429/718-10-50-2" }, "r537": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "718", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(c)(2)(iii)(02)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480429/718-10-50-2" }, "r538": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "718", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(c)(2)(iii)(03)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480429/718-10-50-2" }, "r539": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "718", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(d)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480429/718-10-50-2" }, "r540": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "718", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(d)(2)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480429/718-10-50-2" }, "r541": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "718", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(e)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480429/718-10-50-2" }, "r542": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "718", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(e)(2)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480429/718-10-50-2" }, "r543": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "718", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(f)(2)(i)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480429/718-10-50-2" }, "r544": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "718", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(f)(2)(ii)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480429/718-10-50-2" }, "r545": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "718", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(f)(2)(iii)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480429/718-10-50-2" }, "r546": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "718", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(f)(2)(iv)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480429/718-10-50-2" }, "r547": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "718", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(f)(2)(v)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480429/718-10-50-2" }, "r548": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "718", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(h)(1)(i)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480429/718-10-50-2" }, "r549": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "718", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(h)(2)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480429/718-10-50-2" }, "r550": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "718", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(h)(2)(i)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480429/718-10-50-2" }, "r551": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "718", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(i)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480429/718-10-50-2" }, "r552": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "718", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(l)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480429/718-10-50-2" }, "r553": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "718", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "15", "Subparagraph": "(e)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480336/718-10-65-15" }, "r554": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "718", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "15", "Subparagraph": "(f)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480336/718-10-65-15" }, "r555": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "718", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "15", "Subparagraph": "(f)(2)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480336/718-10-65-15" }, "r556": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "718", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SAB Topic 14.F)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147479830/718-10-S99-1" }, "r557": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "740", "Name": "Accounting Standards Codification", "Publisher": "FASB", "URI": "https://asc.fasb.org//740/tableOfContent" }, "r558": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "740", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "25", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482525/740-10-45-25" }, "r559": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "740", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "28", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482525/740-10-45-28" }, "r560": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "740", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "10", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482685/740-10-50-10" }, "r561": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "740", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "12", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482685/740-10-50-12" }, "r562": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "740", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "14", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482685/740-10-50-14" }, "r563": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "740", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "17", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482685/740-10-50-17" }, "r564": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "740", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "19", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482685/740-10-50-19" }, "r565": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "740", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482685/740-10-50-2" }, "r566": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "740", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482685/740-10-50-2" }, "r567": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "740", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482685/740-10-50-2" }, "r568": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "740", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "20", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482685/740-10-50-20" }, "r569": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "740", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "21", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482685/740-10-50-21" }, "r570": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "740", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "9", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482685/740-10-50-9" }, "r571": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "740", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "9", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482685/740-10-50-9" }, "r572": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "740", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "9", "Subparagraph": "(g)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482685/740-10-50-9" }, "r573": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "740", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "8", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482615/740-10-65-8" }, "r574": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "740", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "8", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482615/740-10-65-8" }, "r575": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "740", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "8", "Subparagraph": "(d)(2)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482615/740-10-65-8" }, "r576": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "740", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "8", "Subparagraph": "(d)(3)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482615/740-10-65-8" }, "r577": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "740", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SAB TOPIC 6.I.5.Q1)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147479360/740-10-S99-1" }, "r578": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "740", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SAB TOPIC 6.I.7)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147479360/740-10-S99-1" }, "r579": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "740", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SAB Topic 6.I.Fact.1)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147479360/740-10-S99-1" }, "r580": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "740", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SAB Topic 6.I.Fact.2)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147479360/740-10-S99-1" }, "r581": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "740", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SAB Topic 6.I.Fact.4)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147479360/740-10-S99-1" }, "r582": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "740", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "2", "Subparagraph": "(SAB Topic 11.C)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147479360/740-10-S99-2" }, "r583": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "740", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "11", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482659/740-20-45-11" }, "r584": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "740", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "2", "Subparagraph": "(d)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482659/740-20-45-2" }, "r585": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "740", "SubTopic": "270", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482526/740-270-50-1" }, "r586": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "740", "SubTopic": "30", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482603/740-30-50-2" }, "r587": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "805", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "3", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147479845/805-20-65-3" }, "r588": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "805", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "3", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147479845/805-20-65-3" }, "r589": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "805", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "3", "Subparagraph": "(d)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147479845/805-20-65-3" }, "r590": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "810", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "19", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481231/810-10-45-19" }, "r591": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "810", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "25", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481231/810-10-45-25" }, "r592": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "810", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "25", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481231/810-10-45-25" }, "r593": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "810", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1A", "Subparagraph": "(a)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481203/810-10-50-1A" }, "r594": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "810", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1A", "Subparagraph": "(c)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481203/810-10-50-1A" }, "r595": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "810", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3", "Subparagraph": "(bb)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481203/810-10-50-3" }, "r596": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "810", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481203/810-10-50-3" }, "r597": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "815", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4K", "Subparagraph": "(a)(4)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480434/815-10-50-4K" }, "r598": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "815", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "5", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480528/815-20-65-5" }, "r599": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "815", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "6", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480528/815-20-65-6" }, "r600": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "815", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "6", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480528/815-20-65-6" }, "r601": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "815", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "6", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480528/815-20-65-6" }, "r602": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "815", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "6", "Subparagraph": "(e)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480528/815-20-65-6" }, "r603": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "815", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "6", "Subparagraph": "(f)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480528/815-20-65-6" }, "r604": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "815", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "6", "Subparagraph": "(h)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480528/815-20-65-6" }, "r605": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "815", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "6", "Subparagraph": "(h)(1)(i)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480528/815-20-65-6" }, "r606": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "815", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "6", "Subparagraph": "(h)(1)(iii)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480528/815-20-65-6" }, "r607": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "815", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "6", "Subparagraph": "(h)(1)(iv)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480528/815-20-65-6" }, "r608": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "815", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "6", "Subparagraph": "(i)(2)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480528/815-20-65-6" }, "r609": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "815", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "6", "Subparagraph": "(i)(3)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480528/815-20-65-6" }, "r610": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "815", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "5", "Subparagraph": "(f)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480237/815-40-50-5" }, "r611": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "815", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "1", "Subparagraph": "(a)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480175/815-40-65-1" }, "r612": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "815", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "1", "Subparagraph": "(a)(2)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480175/815-40-65-1" }, "r613": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "815", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "1", "Subparagraph": "(a)(3)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480175/815-40-65-1" }, "r614": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "815", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "1", "Subparagraph": "(b)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480175/815-40-65-1" }, "r615": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "815", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "1", "Subparagraph": "(b)(2)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480175/815-40-65-1" }, "r616": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "815", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "1", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480175/815-40-65-1" }, "r617": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "815", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "1", "Subparagraph": "(d)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480175/815-40-65-1" }, "r618": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "815", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "1", "Subparagraph": "(e)(2)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480175/815-40-65-1" }, "r619": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "815", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "1", "Subparagraph": "(e)(3)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480175/815-40-65-1" }, "r620": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "815", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "1", "Subparagraph": "(e)(4)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480175/815-40-65-1" }, "r621": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "815", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "1", "Subparagraph": "(f)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480175/815-40-65-1" }, "r622": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "815", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "2", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480175/815-40-65-2" }, "r623": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "820", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482106/820-10-50-2" }, "r624": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "820", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482106/820-10-50-2" }, "r625": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "820", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482106/820-10-50-2" }, "r626": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "820", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(bbb)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482106/820-10-50-2" }, "r627": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "820", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(bbb)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482106/820-10-50-2" }, "r628": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "820", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(bbb)(2)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482106/820-10-50-2" }, "r629": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "820", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482106/820-10-50-3" }, "r630": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "820", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "6A", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482106/820-10-50-6A" }, "r631": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "820", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "6B", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482106/820-10-50-6B" }, "r632": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "820", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "6B", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482106/820-10-50-6B" }, "r633": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "820", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "13", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482477/820-10-65-13" }, "r634": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "820", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "13", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482477/820-10-65-13" }, "r635": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "825", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "1A", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482736/825-10-45-1A" }, "r636": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "825", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "2", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482736/825-10-45-2" }, "r637": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "825", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "10", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482907/825-10-50-10" }, "r638": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "825", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "28", "Subparagraph": "(f)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482907/825-10-50-28" }, "r639": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "825", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "5", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482833/825-10-65-5" }, "r640": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "825", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "6", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482833/825-10-65-6" }, "r641": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "825", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "6", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482833/825-10-65-6" }, "r642": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "825", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "6", "Subparagraph": "(c)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482833/825-10-65-6" }, "r643": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "825", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "6", "Subparagraph": "(c)(2)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482833/825-10-65-6" }, "r644": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "830", "SubTopic": "30", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "17", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481694/830-30-45-17" }, "r645": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "830", "SubTopic": "30", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "20", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481694/830-30-45-20" }, "r646": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "830", "SubTopic": "30", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "20", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481694/830-30-45-20" }, "r647": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "830", "SubTopic": "30", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "20", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481694/830-30-45-20" }, "r648": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "830", "SubTopic": "30", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "20", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481694/830-30-45-20" }, "r649": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "830", "SubTopic": "30", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "20", "Subparagraph": "(d)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481694/830-30-45-20" }, "r650": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "830", "SubTopic": "30", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481674/830-30-50-1" }, "r651": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "830", "SubTopic": "30", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481674/830-30-50-2" }, "r652": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "832", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "1", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147483482/832-10-65-1" }, "r653": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "832", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "1", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147483482/832-10-65-1" }, "r654": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "835", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147483013/835-20-50-1" }, "r655": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "835", "SubTopic": "30", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482900/835-30-50-1" }, "r656": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "842", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "1", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147479832/842-10-65-1" }, "r657": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "842", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "5", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147479832/842-10-65-5" }, "r658": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "842", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "5", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147479832/842-10-65-5" }, "r659": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "842", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "5", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147479832/842-10-65-5" }, "r660": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "842", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "5", "Subparagraph": "(d)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147479832/842-10-65-5" }, "r661": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "842", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "1", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147479041/842-20-45-1" }, "r662": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "842", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "1", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147479041/842-20-45-1" }, "r663": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "842", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "2", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147479041/842-20-45-2" }, "r664": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "842", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147478964/842-20-50-1" }, "r665": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "842", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3", "Subparagraph": "(a)(3)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147478964/842-20-50-3" }, "r666": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "842", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147478964/842-20-50-4" }, "r667": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "842", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147478964/842-20-50-4" }, "r668": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "842", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4", "Subparagraph": "(d)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147478964/842-20-50-4" }, "r669": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "842", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4", "Subparagraph": "(g)(3)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147478964/842-20-50-4" }, "r670": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "842", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4", "Subparagraph": "(g)(4)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147478964/842-20-50-4" }, "r671": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "842", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "6", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147478964/842-20-50-6" }, "r672": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "848", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "2", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147483550/848-10-65-2" }, "r673": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "848", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "2", "Subparagraph": "(a)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147483550/848-10-65-2" }, "r674": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "848", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "2", "Subparagraph": "(a)(2)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147483550/848-10-65-2" }, "r675": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "848", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "2", "Subparagraph": "(a)(3)(iii)(01)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147483550/848-10-65-2" }, "r676": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "848", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "2", "Subparagraph": "(a)(3)(iii)(03)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147483550/848-10-65-2" }, "r677": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "850", "Name": "Accounting Standards Codification", "Publisher": "FASB", "URI": "https://asc.fasb.org//850/tableOfContent" }, "r678": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "850", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147483326/850-10-50-1" }, "r679": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "850", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147483326/850-10-50-1" }, "r680": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "850", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147483326/850-10-50-1" }, "r681": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "850", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(d)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147483326/850-10-50-1" }, "r682": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "850", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147483326/850-10-50-2" }, "r683": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "850", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147483326/850-10-50-3" }, "r684": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "850", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "6", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147483326/850-10-50-6" }, "r685": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "852", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "14", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481435/852-10-45-14" }, "r686": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "855", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147483399/855-10-50-2" }, "r687": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "860", "Name": "Accounting Standards Codification", "Publisher": "FASB", "URI": "https://asc.fasb.org//860/tableOfContent" }, "r688": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "860", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3", "Subparagraph": "(b)(2)(i)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481326/860-20-50-3" }, "r689": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "860", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3", "Subparagraph": "(b)(2)(ii)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481326/860-20-50-3" }, "r690": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "860", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3", "Subparagraph": "(b)(3)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481326/860-20-50-3" }, "r691": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "860", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3", "Subparagraph": "(bb)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481326/860-20-50-3" }, "r692": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "860", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3", "Subparagraph": "(bb)(2)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481326/860-20-50-3" }, "r693": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "860", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3", "Subparagraph": "(bb)(3)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481326/860-20-50-3" }, "r694": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "860", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481326/860-20-50-3" }, "r695": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "860", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3", "Subparagraph": "(c)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481326/860-20-50-3" }, "r696": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "860", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3", "Subparagraph": "(c)(2)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481326/860-20-50-3" }, "r697": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "860", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3", "Subparagraph": "(c)(3)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481326/860-20-50-3" }, "r698": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "860", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3", "Subparagraph": "(cc)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481326/860-20-50-3" }, "r699": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "860", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481326/860-20-50-4" }, "r700": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "860", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4", "Subparagraph": "(a)(5)(ii)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481326/860-20-50-4" }, "r701": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "860", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481326/860-20-50-4" }, "r702": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "860", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4", "Subparagraph": "(b)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481326/860-20-50-4" }, "r703": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "860", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4", "Subparagraph": "(b)(2)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481326/860-20-50-4" }, "r704": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "860", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4", "Subparagraph": "(b)(3)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481326/860-20-50-4" }, "r705": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "860", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481326/860-20-50-4" }, "r706": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "860", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4", "Subparagraph": "(d)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481326/860-20-50-4" }, "r707": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "860", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4D", "Subparagraph": "(c)(3)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481326/860-20-50-4D" }, "r708": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "860", "SubTopic": "30", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "1", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481444/860-30-45-1" }, "r709": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "860", "SubTopic": "30", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1A", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481420/860-30-50-1A" }, "r710": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "860", "SubTopic": "30", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1A", "Subparagraph": "(b)(1)(i)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481420/860-30-50-1A" }, "r711": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "860", "SubTopic": "30", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1A", "Subparagraph": "(b)(2)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481420/860-30-50-1A" }, "r712": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "860", "SubTopic": "30", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1A", "Subparagraph": "(c)(3)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481420/860-30-50-1A" }, "r713": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "860", "SubTopic": "30", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "7", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481420/860-30-50-7" }, "r714": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "860", "SubTopic": "30", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "7", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481420/860-30-50-7" }, "r715": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "860", "SubTopic": "50", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "1", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481260/860-50-45-1" }, "r716": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "860", "SubTopic": "50", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481229/860-50-50-2" }, "r717": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "860", "SubTopic": "50", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(d)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481229/860-50-50-2" }, "r718": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "860", "SubTopic": "50", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481229/860-50-50-3" }, "r719": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "860", "SubTopic": "50", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3", "Subparagraph": "(a)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481229/860-50-50-3" }, "r720": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "860", "SubTopic": "50", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3", "Subparagraph": "(a)(2)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481229/860-50-50-3" }, "r721": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "860", "SubTopic": "50", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3", "Subparagraph": "(a)(3)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481229/860-50-50-3" }, "r722": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "860", "SubTopic": "50", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3", "Subparagraph": "(a)(4)(i)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481229/860-50-50-3" }, "r723": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "860", "SubTopic": "50", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3", "Subparagraph": "(a)(4)(ii)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481229/860-50-50-3" }, "r724": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "860", "SubTopic": "50", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3", "Subparagraph": "(a)(5)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481229/860-50-50-3" }, "r725": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "860", "SubTopic": "50", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4", "Subparagraph": "(a)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481229/860-50-50-4" }, "r726": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "860", "SubTopic": "50", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4", "Subparagraph": "(a)(2)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481229/860-50-50-4" }, "r727": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "860", "SubTopic": "50", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4", "Subparagraph": "(a)(3)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481229/860-50-50-4" }, "r728": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "860", "SubTopic": "50", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4", "Subparagraph": "(a)(4)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481229/860-50-50-4" }, "r729": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "860", "SubTopic": "50", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4", "Subparagraph": "(a)(5)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481229/860-50-50-4" }, "r730": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "860", "SubTopic": "50", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4", "Subparagraph": "(a)(6)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481229/860-50-50-4" }, "r731": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "860", "SubTopic": "50", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4", "Subparagraph": "(a)(7)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481229/860-50-50-4" }, "r732": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "860", "SubTopic": "50", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481229/860-50-50-4" }, "r733": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "860", "SubTopic": "50", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4", "Subparagraph": "(d)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481229/860-50-50-4" }, "r734": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "860", "SubTopic": "50", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4", "Subparagraph": "(e)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481229/860-50-50-4" }, "r735": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "860", "SubTopic": "50", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4", "Subparagraph": "(e)(2)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481229/860-50-50-4" }, "r736": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "860", "SubTopic": "50", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4", "Subparagraph": "(e)(3)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481229/860-50-50-4" }, "r737": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "910", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "6", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482546/910-10-50-6" }, "r738": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "924", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SAB Topic 11.L)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147479941/924-10-S99-1" }, "r739": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "926", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "5", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147483154/926-20-50-5" }, "r740": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "926", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "2", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147483194/926-20-65-2" }, "r741": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "926", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "2", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147483194/926-20-65-2" }, "r742": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "926", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "2", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147483194/926-20-65-2" }, "r743": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "932", "SubTopic": "235", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "15", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482274/932-235-50-15" }, "r744": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "932", "SubTopic": "235", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "15", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482274/932-235-50-15" }, "r745": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "932", "SubTopic": "235", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "20", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482274/932-235-50-20" }, "r746": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "932", "SubTopic": "235", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "20", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482274/932-235-50-20" }, "r747": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "932", "SubTopic": "235", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "28", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482274/932-235-50-28" }, "r748": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "932", "SubTopic": "235", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "28", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482274/932-235-50-28" }, "r749": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "932", "SubTopic": "235", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "33", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482274/932-235-50-33" }, "r750": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "932", "SubTopic": "235", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "33", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482274/932-235-50-33" }, "r751": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "932", "SubTopic": "235", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "35A", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482274/932-235-50-35A" }, "r752": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "932", "SubTopic": "235", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "35A", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482274/932-235-50-35A" }, "r753": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "932", "SubTopic": "235", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "8", "Subparagraph": "(c)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482274/932-235-50-8" }, "r754": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "932", "SubTopic": "235", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "8", "Subparagraph": "(c)(2)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482274/932-235-50-8" }, "r755": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "942", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.9-03(6))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147479853/942-210-S99-1" }, "r756": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "942", "SubTopic": "220", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.9-04(23))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147483589/942-220-S99-1" }, "r757": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "942", "SubTopic": "220", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.9-04(26))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147483589/942-220-S99-1" }, "r758": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "942", "SubTopic": "220", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.9-04(27))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147483589/942-220-S99-1" }, "r759": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "942", "SubTopic": "230", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "1", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481160/942-230-45-1" }, "r760": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "942", "SubTopic": "235", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.9-05(b)(2))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147479557/942-235-S99-1" }, "r761": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "942", "SubTopic": "320", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3A", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480832/942-320-50-3A" }, "r762": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "942", "SubTopic": "320", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3A", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480832/942-320-50-3A" }, "r763": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "942", "SubTopic": "320", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3A", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480832/942-320-50-3A" }, "r764": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "942", "SubTopic": "320", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3A", "Subparagraph": "(d)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480832/942-320-50-3A" }, "r765": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "942", "SubTopic": "360", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480842/942-360-50-1" }, "r766": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "942", "SubTopic": "505", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(a)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480696/942-505-50-1" }, "r767": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "942", "SubTopic": "505", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(a)(2)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480696/942-505-50-1" }, "r768": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "942", "SubTopic": "505", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480696/942-505-50-1" }, "r769": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "942", "SubTopic": "505", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(c)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480696/942-505-50-1" }, "r770": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "942", "SubTopic": "505", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(c)(2)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480696/942-505-50-1" }, "r771": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "942", "SubTopic": "505", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(e)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480696/942-505-50-1" }, "r772": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "942", "SubTopic": "505", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1A", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480696/942-505-50-1A" }, "r773": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "942", "SubTopic": "505", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1B", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480696/942-505-50-1B" }, "r774": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "942", "SubTopic": "505", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1D", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480696/942-505-50-1D" }, "r775": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "942", "SubTopic": "505", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1F", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480696/942-505-50-1F" }, "r776": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "944", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.7-03(15))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147479440/944-210-S99-1" }, "r777": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "944", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.7-03(a)(1)(h))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147479440/944-210-S99-1" }, "r778": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "944", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.7-03(a)(1))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147479440/944-210-S99-1" }, "r779": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "944", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.7-03(a)(10))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147479440/944-210-S99-1" }, "r780": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "944", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.7-03(a)(12))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147479440/944-210-S99-1" }, "r781": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "944", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.7-03(a)(2))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147479440/944-210-S99-1" }, "r782": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "944", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.7-03(a)(21))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147479440/944-210-S99-1" }, "r783": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "944", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.7-03(a)(22))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147479440/944-210-S99-1" }, "r784": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "944", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.7-03(a)(23)(a)(3))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147479440/944-210-S99-1" }, "r785": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "944", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.7-03(a)(23)(a)(4))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147479440/944-210-S99-1" }, "r786": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "944", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.7-03(a)(25))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147479440/944-210-S99-1" }, "r787": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "944", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.7-03(a)(8)(a))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147479440/944-210-S99-1" }, "r788": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "944", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.7-03(a)(8)(b))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147479440/944-210-S99-1" }, "r789": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "944", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.7-03(a)(8))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147479440/944-210-S99-1" }, "r790": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "944", "SubTopic": "220", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.7-04(11))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147483586/944-220-S99-1" }, "r791": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "944", "SubTopic": "220", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.7-04(16))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147483586/944-220-S99-1" }, "r792": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "944", "SubTopic": "220", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.7-04(18))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147483586/944-220-S99-1" }, "r793": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "944", "SubTopic": "220", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.7-04(19))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147483586/944-220-S99-1" }, "r794": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "944", "SubTopic": "220", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.7-04(2)(a))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147483586/944-220-S99-1" }, "r795": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "944", "SubTopic": "220", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.7-04(22))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147483586/944-220-S99-1" }, "r796": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "944", "SubTopic": "220", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.7-04(23))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147483586/944-220-S99-1" }, "r797": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "944", "SubTopic": "220", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.7-04(3)(d)(1))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147483586/944-220-S99-1" }, "r798": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "944", "SubTopic": "220", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.7-04(9))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147483586/944-220-S99-1" }, "r799": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "944", "SubTopic": "235", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "2", "Subparagraph": "(SX 210.12-17(Column A))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480149/944-235-S99-2" }, "r800": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "944", "SubTopic": "235", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "2", "Subparagraph": "(SX 210.12-17(Column B))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480149/944-235-S99-2" }, "r801": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "944", "SubTopic": "235", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "2", "Subparagraph": "(SX 210.12-17(Column C))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480149/944-235-S99-2" }, "r802": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "944", "SubTopic": "235", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "2", "Subparagraph": "(SX 210.12-17(Column D))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480149/944-235-S99-2" }, "r803": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "944", "SubTopic": "235", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "2", "Subparagraph": "(SX 210.12-17(Column E))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480149/944-235-S99-2" }, "r804": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "944", "SubTopic": "235", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "2", "Subparagraph": "(SX 210.12-17(Column F))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480149/944-235-S99-2" }, "r805": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "944", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "7A", "Subparagraph": "(d)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480081/944-40-50-7A" }, "r806": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "944", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "2", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480016/944-40-65-2" }, "r807": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "944", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "2", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480016/944-40-65-2" }, "r808": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "944", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "2", "Subparagraph": "(e)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480016/944-40-65-2" }, "r809": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "944", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "2", "Subparagraph": "(f)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480016/944-40-65-2" }, "r810": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "944", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "2", "Subparagraph": "(f)(2)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480016/944-40-65-2" }, "r811": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "944", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "2", "Subparagraph": "(g)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480016/944-40-65-2" }, "r812": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "944", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "2", "Subparagraph": "(g)(2)(i)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480016/944-40-65-2" }, "r813": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "944", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "2", "Subparagraph": "(g)(2)(ii)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480016/944-40-65-2" }, "r814": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "944", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "2", "Subparagraph": "(g)(2)(iii)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480016/944-40-65-2" }, "r815": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "944", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "2", "Subparagraph": "(g)(2)(iv)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480016/944-40-65-2" }, "r816": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "944", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "2", "Subparagraph": "(h)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480016/944-40-65-2" }, "r817": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "944", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "2", "Subparagraph": "(h)(2)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480016/944-40-65-2" }, "r818": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480424/946-10-50-3" }, "r819": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "3", "Subparagraph": "(SX 210.6-03(d))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147479886/946-10-S99-3" }, "r820": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "3", "Subparagraph": "(SX 210.6-03(h)(1))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147479886/946-10-S99-3" }, "r821": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "3", "Subparagraph": "(SX 210.6-03(i)(1))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147479886/946-10-S99-3" }, "r822": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "3", "Subparagraph": "(SX 210.6-03(i)(2)(i))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147479886/946-10-S99-3" }, "r823": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "3", "Subparagraph": "(SX 210.6-03(i)(2)(ii))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147479886/946-10-S99-3" }, "r824": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "3", "Subparagraph": "(SX 210.6-03(i)(2))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147479886/946-10-S99-3" }, "r825": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "11", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480990/946-20-50-11" }, "r826": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "13", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480990/946-20-50-13" }, "r827": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "15", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480990/946-20-50-15" }, "r828": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "16", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480990/946-20-50-16" }, "r829": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480990/946-20-50-2" }, "r830": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "5", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480990/946-20-50-5" }, "r831": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "6", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480990/946-20-50-6" }, "r832": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "205", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "3", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480767/946-205-45-3" }, "r833": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "205", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "4", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480767/946-205-45-4" }, "r834": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "205", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480737/946-205-50-2" }, "r835": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "205", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "27", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480737/946-205-50-27" }, "r836": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "205", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "7", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480737/946-205-50-7" }, "r837": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "205", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "7", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480737/946-205-50-7" }, "r838": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "205", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "7", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480737/946-205-50-7" }, "r839": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "205", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "7", "Subparagraph": "(d)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480737/946-205-50-7" }, "r840": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "205", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "7", "Subparagraph": "(e)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480737/946-205-50-7" }, "r841": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "205", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "7", "Subparagraph": "(f)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480737/946-205-50-7" }, "r842": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "205", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "7", "Subparagraph": "(g)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480737/946-205-50-7" }, "r843": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "205", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "7", "Subparagraph": "(h)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480737/946-205-50-7" }, "r844": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "4", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480555/946-210-45-4" }, "r845": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "6", "Subparagraph": "(e)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480524/946-210-50-6" }, "r846": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "6", "Subparagraph": "(f)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480524/946-210-50-6" }, "r847": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.6-04(1))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147479617/946-210-S99-1" }, "r848": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.6-04(11))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147479617/946-210-S99-1" }, "r849": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.6-04(12)(b)(1))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147479617/946-210-S99-1" }, "r850": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.6-04(12)(b)(2))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147479617/946-210-S99-1" }, "r851": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.6-04(12)(b)(3))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147479617/946-210-S99-1" }, "r852": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.6-04(13)(a)(2))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147479617/946-210-S99-1" }, "r853": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.6-04(13)(a)(3))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147479617/946-210-S99-1" }, "r854": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.6-04(14))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147479617/946-210-S99-1" }, "r855": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.6-04(16)(a))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147479617/946-210-S99-1" }, "r856": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.6-04(17))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147479617/946-210-S99-1" }, "r857": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.6-04(19))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147479617/946-210-S99-1" }, "r858": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.6-04(2)(a))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147479617/946-210-S99-1" }, "r859": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.6-04(2)(b))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147479617/946-210-S99-1" }, "r860": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.6-04(3)(a))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147479617/946-210-S99-1" }, "r861": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.6-04(3)(b))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147479617/946-210-S99-1" }, "r862": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.6-04(3)(c))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147479617/946-210-S99-1" }, "r863": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.6-04(5)(b))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147479617/946-210-S99-1" }, "r864": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.6-04(6)(b))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147479617/946-210-S99-1" }, "r865": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.6-04(6)(c))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147479617/946-210-S99-1" }, "r866": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.6-04(6)(d))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147479617/946-210-S99-1" }, "r867": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.6-04(6)(e))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147479617/946-210-S99-1" }, "r868": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.6-04(8))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147479617/946-210-S99-1" }, "r869": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.6-04(9)(b))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147479617/946-210-S99-1" }, "r870": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.6-04(9)(c))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147479617/946-210-S99-1" }, "r871": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.6-04(9)(d))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147479617/946-210-S99-1" }, "r872": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.6-04(9)(e))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147479617/946-210-S99-1" }, "r873": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "2", "Subparagraph": "(SX 210.6-05(2))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147479617/946-210-S99-2" }, "r874": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "2", "Subparagraph": "(SX 210.6-05(4))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147479617/946-210-S99-2" }, "r875": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "220", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "3", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147483581/946-220-45-3" }, "r876": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "220", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "7", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147483581/946-220-45-7" }, "r877": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "220", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147483580/946-220-50-3" }, "r878": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "220", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.6-07(1))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147483575/946-220-S99-1" }, "r879": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "220", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.6-07(2)(a))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147483575/946-220-S99-1" }, "r880": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "220", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.6-07(2)(c)(2)(i))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147483575/946-220-S99-1" }, "r881": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "220", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.6-07(2)(c)(2)(ii))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147483575/946-220-S99-1" }, "r882": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "220", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.6-07(2)(c))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147483575/946-220-S99-1" }, "r883": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "220", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.6-07(2)(e))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147483575/946-220-S99-1" }, "r884": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "220", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.6-07(2)(g)(3))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147483575/946-220-S99-1" }, "r885": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "220", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.6-07(3))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147483575/946-220-S99-1" }, "r886": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "220", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.6-07(7)(a)(1))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147483575/946-220-S99-1" }, "r887": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "220", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.6-07(7)(a)(2))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147483575/946-220-S99-1" }, "r888": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "220", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.6-07(7)(a)(3))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147483575/946-220-S99-1" }, "r889": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "220", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.6-07(7)(a)(5))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147483575/946-220-S99-1" }, "r890": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "220", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.6-07(7)(a)(6))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147483575/946-220-S99-1" }, "r891": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "220", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.6-07(7)(a)(7))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147483575/946-220-S99-1" }, "r892": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "220", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.6-07(7)(c)(1))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147483575/946-220-S99-1" }, "r893": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "220", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.6-07(7)(c)(2))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147483575/946-220-S99-1" }, "r894": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "220", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.6-07(7)(c)(3))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147483575/946-220-S99-1" }, "r895": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "220", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.6-07(7)(c)(5))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147483575/946-220-S99-1" }, "r896": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "220", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.6-07(7)(c)(6))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147483575/946-220-S99-1" }, "r897": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "220", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.6-07(7)(c)(7))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147483575/946-220-S99-1" }, "r898": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "220", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.6-07(9))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147483575/946-220-S99-1" }, "r899": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "220", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "3", "Subparagraph": "(SX 210.6-09(1)(d))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147483575/946-220-S99-3" }, "r900": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "220", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "3", "Subparagraph": "(SX 210.6-09(4)(b))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147483575/946-220-S99-3" }, "r901": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "220", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "3", "Subparagraph": "(SX 210.6-09(6))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147483575/946-220-S99-3" }, "r902": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "220", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "3", "Subparagraph": "(SX 210.6-09(7))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147483575/946-220-S99-3" }, "r903": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "235", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481062/946-235-50-2" }, "r904": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "235", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(e)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481062/946-235-50-2" }, "r905": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "310", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "1", "Subparagraph": "(d)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480833/946-310-45-1" }, "r906": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "320", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.12-12(Column A)(Footnote 2))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480032/946-320-S99-1" }, "r907": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "320", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "2", "Subparagraph": "(SX 210.12-12A(Column A)(Footnote 2))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480032/946-320-S99-2" }, "r908": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "320", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "3", "Subparagraph": "(SX 210.12-12B(Column A)(Footnote 4)(a))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480032/946-320-S99-3" }, "r909": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "320", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "3", "Subparagraph": "(SX 210.12-12B(Column A)(Footnote 4)(b))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480032/946-320-S99-3" }, "r910": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "320", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "6", "Subparagraph": "(SX 210.12-14(Column A)(Footnote 2))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480032/946-320-S99-6" }, "r911": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "505", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481004/946-505-50-1" }, "r912": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "505", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481004/946-505-50-2" }, "r913": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "505", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481004/946-505-50-2" }, "r914": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "505", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481004/946-505-50-2" }, "r915": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "946", "SubTopic": "505", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(d)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481004/946-505-50-2" }, "r916": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "948", "SubTopic": "310", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "1", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481852/948-310-45-1" }, "r917": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "948", "SubTopic": "310", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481820/948-310-50-1" }, "r918": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "954", "SubTopic": "440", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480327/954-440-50-1" }, "r919": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "970", "SubTopic": "360", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.12-28(Footnote 4))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147479438/970-360-S99-1" }, "r920": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "976", "SubTopic": "310", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482856/976-310-50-1" }, "r921": { "role": "http://www.xbrl.org/2003/role/disclosureRef", "Topic": "978", "SubTopic": "310", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482707/978-310-50-1" }, "r922": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4", "Subparagraph": "(e)", "SubTopic": "10", "Topic": "235", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147483426/235-10-50-4" }, "r923": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "13H", "Subparagraph": "(a)", "SubTopic": "40", "Topic": "944", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480046/944-40-55-13H" }, "r924": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "210", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "1", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147483467/210-10-45-1" }, "r925": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "210", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "1", "Subparagraph": "(f)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147483467/210-10-45-1" }, "r926": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "210", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "16", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147483444/210-20-55-16" }, "r927": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "210", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "21", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147483444/210-20-55-21" }, "r928": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "210", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "22", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147483444/210-20-55-22" }, "r929": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "230", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "21", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482740/230-10-45-21" }, "r930": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "235", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.4-08(m)(1)(ii)(A))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480678/235-10-S99-1" }, "r931": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "260", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "52", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482635/260-10-55-52" }, "r932": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "280", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "30", "Subparagraph": "(d)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482810/280-10-50-30" }, "r933": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "280", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "31", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482810/280-10-50-31" }, "r934": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "310", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "12A", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481933/310-10-55-12A" }, "r935": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "310", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "4", "Subparagraph": "(SAB Topic 6.L(5)(a))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480418/310-10-S99-4" }, "r936": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "326", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "10", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147479294/326-20-55-10" }, "r937": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "326", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "11", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147479294/326-20-55-11" }, "r938": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "326", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "12", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147479294/326-20-55-12" }, "r939": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "326", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "12", "Subparagraph": "(d)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147479294/326-20-55-12" }, "r940": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "326", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "12", "Subparagraph": "(d)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147479294/326-20-55-12" }, "r941": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "326", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "12", "Subparagraph": "(d)(2)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147479294/326-20-55-12" }, "r942": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "326", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "15", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147479294/326-20-55-15" }, "r943": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "326", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "79", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147479294/326-20-55-79" }, "r944": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "326", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "80", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147479294/326-20-55-80" }, "r945": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "326", "SubTopic": "30", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "8", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147479081/326-30-55-8" }, "r946": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "470", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1B", "Subparagraph": "(d)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481139/470-20-50-1B" }, "r947": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "470", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "69B", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481568/470-20-55-69B" }, "r948": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "470", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "69C", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481568/470-20-55-69C" }, "r949": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "470", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "69E", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481568/470-20-55-69E" }, "r950": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "470", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "69F", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481568/470-20-55-69F" }, "r951": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "505", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "13", "Subparagraph": "(d)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481112/505-10-50-13" }, "r952": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "606", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "91", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147479777/606-10-55-91" }, "r953": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(d)(ii)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480506/715-20-50-1" }, "r954": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(d)(iv)(01)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480506/715-20-50-1" }, "r955": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "17", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480482/715-20-55-17" }, "r956": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "715", "SubTopic": "80", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "8", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480547/715-80-55-8" }, "r957": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "718", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(a)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480429/718-10-50-2" }, "r958": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "718", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(a)(3)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480429/718-10-50-2" }, "r959": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "810", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3", "Subparagraph": "(bb)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481203/810-10-50-3" }, "r960": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "810", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "4J", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481175/810-10-55-4J" }, "r961": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "810", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "4K", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481175/810-10-55-4K" }, "r962": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "842", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "53", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147479589/842-20-55-53" }, "r963": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "852", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "10", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481372/852-10-55-10" }, "r964": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "860", "SubTopic": "50", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(d)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481229/860-50-50-2" }, "r965": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "944", "SubTopic": "30", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "2", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147479401/944-30-55-2" }, "r966": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "944", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "29F", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480046/944-40-55-29F" }, "r967": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "946", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(b)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480524/946-210-50-1" }, "r968": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "946", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "6", "Subparagraph": "(a)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480524/946-210-50-6" }, "r969": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "946", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "1", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480493/946-210-55-1" }, "r970": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "946", "SubTopic": "310", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "1", "Subparagraph": "(d)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480833/946-310-45-1" }, "r971": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "946", "SubTopic": "320", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.12-12(Column A)(Footnote 2)(i))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480032/946-320-S99-1" }, "r972": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "946", "SubTopic": "320", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "2", "Subparagraph": "(SX 210.12-12A(Column A)(Footnote 2))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480032/946-320-S99-2" }, "r973": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "946", "SubTopic": "320", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "3", "Subparagraph": "(SX 210.12-12B(Column A)(Footnote 1)(a))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480032/946-320-S99-3" }, "r974": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "946", "SubTopic": "320", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "6", "Subparagraph": "(SX 210.12-14(Column A)(Footnote 2))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480032/946-320-S99-6" }, "r975": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "946", "SubTopic": "830", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "10", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480167/946-830-55-10" }, "r976": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "946", "SubTopic": "830", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "11", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480167/946-830-55-11" }, "r977": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "946", "SubTopic": "830", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "12", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480167/946-830-55-12" }, "r978": { "role": "http://www.xbrl.org/2003/role/exampleRef", "Topic": "948", "SubTopic": "310", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.12-29(Footnote 4))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147479851/948-310-S99-1" }, "r979": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Exchange Act", "Number": "240", "Section": "12", "Subsection": "b" }, "r980": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Exchange Act", "Number": "240", "Section": "12", "Subsection": "b-2" }, "r981": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Exchange Act", "Number": "240", "Section": "12", "Subsection": "b-23" }, "r982": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Exchange Act", "Number": "240", "Section": "12", "Subsection": "d1-1" }, "r983": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form 10-K", "Number": "249", "Section": "310" }, "r984": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form 20-F", "Number": "249", "Section": "220", "Subsection": "f" }, "r985": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form 20-F", "Section": "16", "Subsection": "J", "Paragraph": "a" }, "r986": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form 20-F", "Section": "6", "Subsection": "F", "Paragraph": "1" }, "r987": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form 20-F", "Section": "6", "Subsection": "F", "Paragraph": "1", "Subparagraph": "i" }, "r988": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form 20-F", "Section": "6", "Subsection": "F", "Paragraph": "1", "Subparagraph": "i", "Sentence": "A" }, "r989": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form 20-F", "Section": "6", "Subsection": "F", "Paragraph": "1", "Subparagraph": "i", "Sentence": "B" }, "r990": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form 20-F", "Section": "6", "Subsection": "F", "Paragraph": "1", "Subparagraph": "i", "Sentence": "C" }, "r991": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form 20-F", "Section": "6", "Subsection": "F", "Paragraph": "1", "Subparagraph": "i", "Sentence": "D" }, "r992": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form 20-F", "Section": "6", "Subsection": "F", "Paragraph": "1", "Subparagraph": "i", "Sentence": "E" }, "r993": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form 20-F", "Section": "6", "Subsection": "F", "Paragraph": "1", "Subparagraph": "ii" }, "r994": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form 20-F", "Section": "6", "Subsection": "F", "Paragraph": "1", "Subparagraph": "iii" }, "r995": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form 20-F", "Section": "6", "Subsection": "F", "Paragraph": "2" }, "r996": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form 20-F", "Subsection": "F", "Paragraph": "1", "Subparagraph": "ii", "Section": "6" }, "r997": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form 40-F", "Number": "249", "Section": "240", "Subsection": "f" }, "r998": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form 40-F", "Section": "19", "Paragraph": "a" }, "r999": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form 40-F", "Section": "19", "Paragraph": "a", "Subparagraph": "1" }, "r1000": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form 40-F", "Section": "19", "Paragraph": "a", "Subparagraph": "1", "Sentence": "i" }, "r1001": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form 40-F", "Section": "19", "Paragraph": "a", "Subparagraph": "1", "Sentence": "ii" }, "r1002": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form 40-F", "Section": "19", "Paragraph": "a", "Subparagraph": "1", "Sentence": "iii" }, "r1003": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form 40-F", "Section": "19", "Paragraph": "a", "Subparagraph": "1", "Sentence": "iv" }, "r1004": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form 40-F", "Section": "19", "Paragraph": "a", "Subparagraph": "1", "Sentence": "v" }, "r1005": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form 40-F", "Section": "19", "Paragraph": "a", "Subparagraph": "2" }, "r1006": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form 40-F", "Section": "19", "Paragraph": "a", "Subparagraph": "3" }, "r1007": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form 40-F", "Section": "19", "Paragraph": "b" }, "r1008": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form N-CSR", "Section": "18", "Paragraph": "a" }, "r1009": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form N-CSR", "Section": "18", "Paragraph": "a", "Subparagraph": "1" }, "r1010": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form N-CSR", "Section": "18", "Paragraph": "a", "Subparagraph": "1", "Sentence": "i" }, "r1011": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form N-CSR", "Section": "18", "Paragraph": "a", "Subparagraph": "1", "Sentence": "ii" }, "r1012": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form N-CSR", "Section": "18", "Paragraph": "a", "Subparagraph": "1", "Sentence": "iii" }, "r1013": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form N-CSR", "Section": "18", "Paragraph": "a", "Subparagraph": "1", "Sentence": "iv" }, "r1014": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form N-CSR", "Section": "18", "Paragraph": "a", "Subparagraph": "1", "Sentence": "v" }, "r1015": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form N-CSR", "Section": "18", "Paragraph": "a", "Subparagraph": "2" }, "r1016": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form N-CSR", "Section": "18", "Paragraph": "a", "Subparagraph": "3" }, "r1017": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Form N-CSR", "Section": "18", "Paragraph": "b" }, "r1018": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Forms 10-K, 10-Q, 20-F", "Number": "240", "Section": "13", "Subsection": "a-1" }, "r1019": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Regulation S-K", "Number": "229", "Section": "402", "Subsection": "v" }, "r1020": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Regulation S-K", "Number": "229", "Section": "402", "Subsection": "v", "Paragraph": "1" }, "r1021": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Regulation S-K", "Number": "229", "Section": "402", "Subsection": "v", "Paragraph": "2", "Subparagraph": "ii" }, "r1022": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Regulation S-K", "Number": "229", "Section": "402", "Subsection": "v", "Paragraph": "2", "Subparagraph": "iii" }, "r1023": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Regulation S-K", "Number": "229", "Section": "402", "Subsection": "v", "Paragraph": "2", "Subparagraph": "iv" }, "r1024": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Regulation S-K", "Number": "229", "Section": "402", "Subsection": "v", "Paragraph": "2", "Subparagraph": "vi" }, "r1025": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Regulation S-K", "Number": "229", "Section": "402", "Subsection": "v", "Paragraph": "3" }, "r1026": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Regulation S-K", "Number": "229", "Section": "402", "Subsection": "v", "Paragraph": "4" }, "r1027": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Regulation S-K", "Number": "229", "Section": "402", "Subsection": "v", "Paragraph": "5", "Subparagraph": "i" }, "r1028": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Regulation S-K", "Number": "229", "Section": "402", "Subsection": "v", "Paragraph": "5", "Subparagraph": "ii" }, "r1029": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Regulation S-K", "Number": "229", "Section": "402", "Subsection": "v", "Paragraph": "5", "Subparagraph": "iii" }, "r1030": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Regulation S-K", "Number": "229", "Section": "402", "Subsection": "v", "Paragraph": "5", "Subparagraph": "iv" }, "r1031": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Regulation S-K", "Number": "229", "Section": "402", "Subsection": "v", "Paragraph": "6" }, "r1032": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Regulation S-K", "Number": "229", "Section": "402", "Subsection": "v", "Paragraph": "6", "Subparagraph": "i" }, "r1033": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Regulation S-K", "Number": "229", "Section": "402", "Subsection": "w" }, "r1034": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Regulation S-K", "Number": "229", "Section": "402", "Subsection": "w", "Paragraph": "1" }, "r1035": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Regulation S-K", "Number": "229", "Section": "402", "Subsection": "w", "Paragraph": "1", "Subparagraph": "i" }, "r1036": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Regulation S-K", "Number": "229", "Section": "402", "Subsection": "w", "Paragraph": "1", "Subparagraph": "i", "Sentence": "A" }, "r1037": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Regulation S-K", "Number": "229", "Section": "402", "Subsection": "w", "Paragraph": "1", "Subparagraph": "i", "Sentence": "B" }, "r1038": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Regulation S-K", "Number": "229", "Section": "402", "Subsection": "w", "Paragraph": "1", "Subparagraph": "i", "Sentence": "C" }, "r1039": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Regulation S-K", "Number": "229", "Section": "402", "Subsection": "w", "Paragraph": "1", "Subparagraph": "i", "Sentence": "D" }, "r1040": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Regulation S-K", "Number": "229", "Section": "402", "Subsection": "w", "Paragraph": "1", "Subparagraph": "i", "Sentence": "E" }, "r1041": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Regulation S-K", "Number": "229", "Section": "402", "Subsection": "w", "Paragraph": "1", "Subparagraph": "ii" }, "r1042": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Regulation S-K", "Number": "229", "Section": "402", "Subsection": "w", "Paragraph": "1", "Subparagraph": "iii" }, "r1043": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Regulation S-K", "Number": "229", "Section": "402", "Subsection": "w", "Paragraph": "2" }, "r1044": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Regulation S-K", "Number": "229", "Section": "402", "Subsection": "x", "Paragraph": "1" }, "r1045": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Regulation S-K", "Number": "229", "Section": "402", "Subsection": "x", "Paragraph": "2" }, "r1046": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Regulation S-K", "Number": "229", "Section": "402", "Subsection": "x", "Paragraph": "2", "Subparagraph": "ii", "Sentence": "A" }, "r1047": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Regulation S-K", "Number": "229", "Section": "402", "Subsection": "x", "Paragraph": "2", "Subparagraph": "ii", "Sentence": "C" }, "r1048": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Regulation S-K", "Number": "229", "Section": "402", "Subsection": "x", "Paragraph": "2", "Subparagraph": "ii", "Sentence": "D" }, "r1049": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Regulation S-K", "Number": "229", "Section": "402", "Subsection": "x", "Paragraph": "2", "Subparagraph": "ii", "Sentence": "E" }, "r1050": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Regulation S-K", "Number": "229", "Section": "402", "Subsection": "x", "Paragraph": "2", "Subparagraph": "ii", "Sentence": "F" }, "r1051": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Regulation S-K", "Number": "229", "Section": "408", "Subsection": "a" }, "r1052": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Regulation S-K", "Number": "229", "Section": "408", "Subsection": "a", "Paragraph": "1" }, "r1053": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Regulation S-K", "Number": "229", "Section": "408", "Subsection": "a", "Paragraph": "2", "Subparagraph": "A" }, "r1054": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Regulation S-K", "Number": "229", "Section": "408", "Subsection": "a", "Paragraph": "2", "Subparagraph": "B" }, "r1055": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Regulation S-K", "Number": "229", "Section": "408", "Subsection": "a", "Paragraph": "2", "Subparagraph": "C" }, "r1056": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Regulation S-K", "Number": "229", "Section": "408", "Subsection": "a", "Paragraph": "2", "Subparagraph": "D" }, "r1057": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Regulation S-K", "Number": "229", "Section": "408", "Subsection": "b", "Paragraph": "1" }, "r1058": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Regulation S-T", "Number": "232", "Section": "405" }, "r1059": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Securities Act", "Number": "230", "Section": "405" }, "r1060": { "role": "http://www.xbrl.org/2003/role/presentationRef", "Publisher": "SEC", "Name": "Securities Act", "Number": "7A", "Section": "B", "Subsection": "2" }, "r1061": { "role": "http://www.xbrl.org/2003/role/recommendedDisclosureRef", "Topic": "272", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "3", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147483014/272-10-45-3" }, "r1062": { "role": "http://www.xbrl.org/2003/role/recommendedDisclosureRef", "Topic": "810", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "11", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481231/810-10-45-11" }, "r1063": { "role": "http://www.xbrl.org/2003/role/recommendedDisclosureRef", "Topic": "860", "SubTopic": "50", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "2", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481260/860-50-45-2" }, "r1064": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3", "SubTopic": "10", "Topic": "250", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147483443/250-10-50-3" }, "r1065": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4H", "SubTopic": "40", "Topic": "944", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480081/944-40-50-4H" }, "r1066": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "7", "Subparagraph": "(a)", "SubTopic": "10", "Topic": "250", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147483443/250-10-50-7" }, "r1067": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "7", "Subparagraph": "(b)", "SubTopic": "10", "Topic": "250", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147483443/250-10-50-7" }, "r1068": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "8", "SubTopic": "10", "Topic": "250", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147483443/250-10-50-8" }, "r1069": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "9", "Subparagraph": "(a)", "SubTopic": "10", "Topic": "740", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482685/740-10-50-9" }, "r1070": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "4", "Subparagraph": "(SAB Topic 6.L.1)", "SubTopic": "10", "Topic": "310", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480418/310-10-S99-4" }, "r1071": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Name": "Regulation S-K (SK)", "Number": "229", "Section": "1402", "Paragraph": "(a)", "Publisher": "SEC" }, "r1072": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Name": "Regulation S-K (SK)", "Number": "229", "Section": "1402", "Paragraph": "(b)", "Subparagraph": "(1)", "Publisher": "SEC" }, "r1073": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Name": "Regulation S-K (SK)", "Number": "229", "Section": "1402", "Paragraph": "(b)", "Subparagraph": "(2)", "Publisher": "SEC" }, "r1074": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Name": "Regulation S-K (SK)", "Number": "229", "Section": "1402", "Paragraph": "(b)", "Subparagraph": "(3)", "Publisher": "SEC" }, "r1075": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Name": "Regulation S-K (SK)", "Number": "229", "Section": "1402", "Paragraph": "(c)", "Subparagraph": "(2)(i)", "Publisher": "SEC" }, "r1076": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Name": "Regulation S-K (SK)", "Number": "229", "Section": "1402", "Paragraph": "(c)", "Subparagraph": "(2)(ii)", "Publisher": "SEC" }, "r1077": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Name": "Regulation S-K (SK)", "Number": "229", "Section": "1402", "Paragraph": "(c)", "Subparagraph": "(2)(iii)", "Publisher": "SEC" }, "r1078": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Name": "Regulation S-K (SK)", "Number": "229", "Section": "1404", "Paragraph": "(a)", "Publisher": "SEC" }, "r1079": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Name": "Regulation S-K (SK)", "Number": "229", "Section": "1405", "Paragraph": "(a)", "Subparagraph": "(1)", "Publisher": "SEC" }, "r1080": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Name": "Regulation S-K (SK)", "Number": "229", "Section": "1405", "Paragraph": "(a)", "Subparagraph": "(2)", "Publisher": "SEC" }, "r1081": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Name": "Regulation S-K (SK)", "Number": "229", "Section": "1405", "Paragraph": "(a)", "Subparagraph": "(3)", "Publisher": "SEC" }, "r1082": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Name": "Regulation S-K (SK)", "Number": "229", "Section": "1406", "Paragraph": "(a)", "Publisher": "SEC" }, "r1083": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Name": "Regulation S-K (SK)", "Number": "229", "Section": "1406", "Paragraph": "(a)", "Subparagraph": "(1)", "Publisher": "SEC" }, "r1084": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Name": "Regulation S-K (SK)", "Number": "229", "Section": "1406", "Paragraph": "(a)", "Subparagraph": "(2)", "Publisher": "SEC" }, "r1085": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Name": "Regulation S-K (SK)", "Number": "229", "Section": "1406", "Paragraph": "(a)", "Subparagraph": "(3)", "Publisher": "SEC" }, "r1086": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Name": "Regulation S-K (SK)", "Number": "229", "Section": "1406", "Paragraph": "(a)", "Subparagraph": "(4)", "Publisher": "SEC" }, "r1087": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Name": "Regulation S-K (SK)", "Number": "229", "Section": "1406", "Paragraph": "(a)", "Subparagraph": "(5)", "Publisher": "SEC" }, "r1088": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Name": "Regulation S-K (SK)", "Number": "229", "Section": "1406", "Paragraph": "(c)", "Publisher": "SEC" }, "r1089": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Name": "Regulation S-K (SK)", "Number": "229", "Section": "1406", "Paragraph": "(d)", "Publisher": "SEC" }, "r1090": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Name": "Regulation S-K (SK)", "Number": "229", "Section": "1406", "Paragraph": "(e)", "Publisher": "SEC" }, "r1091": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Name": "Regulation S-K (SK)", "Number": "229", "Section": "1406", "Paragraph": "(f)", "Subparagraph": "(1)", "Publisher": "SEC" }, "r1092": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Name": "Regulation S-K (SK)", "Number": "229", "Section": "1406", "Paragraph": "(f)", "Subparagraph": "(2)", "Publisher": "SEC" }, "r1093": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Name": "Regulation S-K (SK)", "Number": "229", "Section": "1406", "Paragraph": "(f)", "Subparagraph": "(2)(i)", "Publisher": "SEC" }, "r1094": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Name": "Regulation S-K (SK)", "Number": "229", "Section": "1406", "Paragraph": "(f)", "Subparagraph": "(2)(i)(ii)", "Publisher": "SEC" }, "r1095": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Name": "Regulation S-K (SK)", "Number": "229", "Section": "1406", "Paragraph": "(f)", "Subparagraph": "(2)(i)(iii)", "Publisher": "SEC" }, "r1096": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Name": "Regulation S-K (SK)", "Number": "229", "Section": "1406", "Paragraph": "(f)", "Subparagraph": "(2)(i)(iv)", "Publisher": "SEC" }, "r1097": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Name": "Regulation S-X (SX)", "Number": "210", "Section": "12", "Subsection": "04", "Paragraph": "(a)", "Publisher": "SEC" }, "r1098": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Name": "Regulation S-X (SX)", "Number": "210", "Section": "13", "Subsection": "01", "Paragraph": "(a)", "Subparagraph": "(4)(i)", "Publisher": "SEC" }, "r1099": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Name": "Regulation S-X (SX)", "Number": "210", "Section": "13", "Subsection": "01", "Paragraph": "(a)", "Subparagraph": "(4)(iv)", "Publisher": "SEC" }, "r1100": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Name": "Regulation S-X (SX)", "Number": "210", "Section": "13", "Subsection": "02", "Paragraph": "(a)", "Subparagraph": "(4)(iv)", "Publisher": "SEC" }, "r1101": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "205", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147483504/205-10-50-1" }, "r1102": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "210", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.5-02(17))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480566/210-10-S99-1" }, "r1103": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "210", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.5-02(2))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480566/210-10-S99-1" }, "r1104": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "210", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.5-02(3)(a)(4))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480566/210-10-S99-1" }, "r1105": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "220", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482765/220-10-50-4" }, "r1106": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "220", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "5", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482765/220-10-50-5" }, "r1107": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "220", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "6", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482765/220-10-50-6" }, "r1108": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "220", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "2", "Subparagraph": "(SX 210.5-03(7)(c))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147483621/220-10-S99-2" }, "r1109": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "220", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "2", "Subparagraph": "(SX 210.5-03(9)(a))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147483621/220-10-S99-2" }, "r1110": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "220", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "2", "Subparagraph": "(SX 210.5-03(b)(4))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147483621/220-10-S99-2" }, "r1111": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "230", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "12", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482740/230-10-45-12" }, "r1112": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "230", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "13", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482740/230-10-45-13" }, "r1113": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "230", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "14", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482740/230-10-45-14" }, "r1114": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "230", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "15", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482740/230-10-45-15" }, "r1115": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "230", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "25", "Subparagraph": "(g)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482740/230-10-45-25" }, "r1116": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "235", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.4-08(d))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480678/235-10-S99-1" }, "r1117": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "235", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.4-08(f))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480678/235-10-S99-1" }, "r1118": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "235", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.4-08(g)(1)(ii))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480678/235-10-S99-1" }, "r1119": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "235", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.4-08(h)(1)(Note 1))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480678/235-10-S99-1" }, "r1120": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "235", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.4-08(k)(1))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480678/235-10-S99-1" }, "r1121": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "235", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "3", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480678/235-10-S99-3" }, "r1122": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "235", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "3", "Subparagraph": "(SX 210.12-04(a))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480678/235-10-S99-3" }, "r1123": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "250", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "23", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147483421/250-10-45-23" }, "r1124": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "250", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "24", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147483421/250-10-45-24" }, "r1125": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "250", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "5", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147483421/250-10-45-5" }, "r1126": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "250", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(c)(2)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147483443/250-10-50-1" }, "r1127": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "250", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "12", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147483443/250-10-50-12" }, "r1128": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "260", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "55", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482689/260-10-45-55" }, "r1129": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "260", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482662/260-10-50-1" }, "r1130": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "310", "SubTopic": "10", "Name": "Accounting Standards Codification", "Publisher": "FASB", "URI": "https://asc.fasb.org//310-10/tableOfContent" }, "r1131": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "310", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "13", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481990/310-10-45-13" }, "r1132": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "310", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "2", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481990/310-10-45-2" }, "r1133": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "310", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "33", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481962/310-10-50-33" }, "r1134": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "310", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "34", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481962/310-10-50-34" }, "r1135": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "310", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "42", "Subparagraph": "(a)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481962/310-10-50-42" }, "r1136": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "310", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "42", "Subparagraph": "(a)(2)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481962/310-10-50-42" }, "r1137": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "310", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "7A", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481962/310-10-50-7A" }, "r1138": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "320", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "1", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481830/320-10-45-1" }, "r1139": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "320", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "11", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481830/320-10-45-11" }, "r1140": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "320", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481800/320-10-50-2" }, "r1141": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "320", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(d)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481800/320-10-50-2" }, "r1142": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "320", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481800/320-10-50-3" }, "r1143": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "320", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481800/320-10-50-3" }, "r1144": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "320", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481800/320-10-50-3" }, "r1145": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "320", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481800/320-10-50-3" }, "r1146": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "320", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3", "Subparagraph": "(d)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481800/320-10-50-3" }, "r1147": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "320", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "5", "Subparagraph": "(f)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481800/320-10-50-5" }, "r1148": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "320", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "5B", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481800/320-10-50-5B" }, "r1149": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "320", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "9", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481800/320-10-50-9" }, "r1150": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "321", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147479536/321-10-50-3" }, "r1151": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "321", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147479536/321-10-50-3" }, "r1152": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "321", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147479536/321-10-50-3" }, "r1153": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "321", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147479536/321-10-50-4" }, "r1154": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "323", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481687/323-10-50-3" }, "r1155": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "326", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "4", "Subparagraph": "(e)(3)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147479654/326-10-65-4" }, "r1156": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "326", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "4", "Subparagraph": "(e)(4)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147479654/326-10-65-4" }, "r1157": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "326", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "1", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147479344/326-20-45-1" }, "r1158": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "326", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "13", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147479319/326-20-50-13" }, "r1159": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "326", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "14", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147479319/326-20-50-14" }, "r1160": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "326", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "5", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147479319/326-20-50-5" }, "r1161": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "326", "SubTopic": "30", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147479106/326-30-50-4" }, "r1162": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "410", "SubTopic": "30", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "10", "Subparagraph": "(c)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481931/410-30-50-10" }, "r1163": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "450", "Name": "Accounting Standards Codification", "Publisher": "FASB", "URI": "https://asc.fasb.org//450/tableOfContent" }, "r1164": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "450", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147483076/450-20-50-4" }, "r1165": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "450", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "9", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147483076/450-20-50-9" }, "r1166": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "450", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "9", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147483076/450-20-50-9" }, "r1167": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "450", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SAB Topic 5.Y.Q2)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480102/450-20-S99-1" }, "r1168": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "460", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482425/460-10-50-3" }, "r1169": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "470", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1A", "Subparagraph": "(SX 210.13-01(a)(4)(i))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480097/470-10-S99-1A" }, "r1170": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "470", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1A", "Subparagraph": "(SX 210.13-01(a)(4)(ii))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480097/470-10-S99-1A" }, "r1171": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "470", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1A", "Subparagraph": "(SX 210.13-01(a)(4)(iii))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480097/470-10-S99-1A" }, "r1172": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "470", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1A", "Subparagraph": "(SX 210.13-01(a)(4)(iv))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480097/470-10-S99-1A" }, "r1173": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "470", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1B", "Subparagraph": "(SX 210.13-02(a)(4)(iv))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480097/470-10-S99-1B" }, "r1174": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "470", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1B", "Subparagraph": "(d)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481139/470-20-50-1B" }, "r1175": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "606", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "5", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147479806/606-10-50-5" }, "r1176": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "606", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "55", "Paragraph": "91", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147479777/606-10-55-91" }, "r1177": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "715", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(d)(ii)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480506/715-20-50-1" }, "r1178": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "718", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(a)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480429/718-10-50-2" }, "r1179": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "718", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(a)(2)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480429/718-10-50-2" }, "r1180": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "718", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(a)(3)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480429/718-10-50-2" }, "r1181": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "718", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(c)(1)(i)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480429/718-10-50-2" }, "r1182": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "718", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(c)(1)(ii)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480429/718-10-50-2" }, "r1183": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "718", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(c)(1)(iii)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480429/718-10-50-2" }, "r1184": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "718", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(c)(1)(iv)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480429/718-10-50-2" }, "r1185": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "718", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(c)(1)(iv)(01)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480429/718-10-50-2" }, "r1186": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "718", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(c)(1)(iv)(02)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480429/718-10-50-2" }, "r1187": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "718", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(c)(1)(iv)(03)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480429/718-10-50-2" }, "r1188": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "718", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(c)(1)(iv)(04)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480429/718-10-50-2" }, "r1189": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "718", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(c)(2)(i)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480429/718-10-50-2" }, "r1190": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "718", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(c)(2)(ii)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480429/718-10-50-2" }, "r1191": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "718", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(c)(2)(iii)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480429/718-10-50-2" }, "r1192": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "718", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(c)(2)(iii)(01)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480429/718-10-50-2" }, "r1193": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "718", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(c)(2)(iii)(02)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480429/718-10-50-2" }, "r1194": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "718", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(c)(2)(iii)(03)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480429/718-10-50-2" }, "r1195": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "718", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(d)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480429/718-10-50-2" }, "r1196": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "718", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(d)(2)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480429/718-10-50-2" }, "r1197": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "718", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(e)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480429/718-10-50-2" }, "r1198": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "718", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(e)(2)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480429/718-10-50-2" }, "r1199": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "718", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(f)(2)(i)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480429/718-10-50-2" }, "r1200": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "718", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(f)(2)(ii)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480429/718-10-50-2" }, "r1201": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "718", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(f)(2)(iii)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480429/718-10-50-2" }, "r1202": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "718", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(f)(2)(iv)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480429/718-10-50-2" }, "r1203": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "718", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(f)(2)(v)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480429/718-10-50-2" }, "r1204": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "740", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "12", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482685/740-10-50-12" }, "r1205": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "740", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482685/740-10-50-2" }, "r1206": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "740", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "6", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482685/740-10-50-6" }, "r1207": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "740", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "9", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482685/740-10-50-9" }, "r1208": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "740", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SAB Topic 6.I.7)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147479360/740-10-S99-1" }, "r1209": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "740", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SAB Topic 6.I.Fact.4)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147479360/740-10-S99-1" }, "r1210": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "815", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "25", "Paragraph": "6A", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480682/815-20-25-6A" }, "r1211": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "815", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "1", "Subparagraph": "(e)(3)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480175/815-40-65-1" }, "r1212": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "815", "SubTopic": "40", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "1", "Subparagraph": "(f)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480175/815-40-65-1" }, "r1213": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "820", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(bbb)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482106/820-10-50-2" }, "r1214": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "825", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "28", "Subparagraph": "(f)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147482907/825-10-50-28" }, "r1215": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "842", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3", "Subparagraph": "(a)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147478964/842-20-50-3" }, "r1216": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "842", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147478964/842-20-50-4" }, "r1217": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "842", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "6", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147478964/842-20-50-6" }, "r1218": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "848", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "2", "Subparagraph": "(a)(3)(iii)(01)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147483550/848-10-65-2" }, "r1219": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "848", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "65", "Paragraph": "2", "Subparagraph": "(a)(3)(iii)(03)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147483550/848-10-65-2" }, "r1220": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "850", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147483326/850-10-50-2" }, "r1221": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "850", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147483326/850-10-50-3" }, "r1222": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "852", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "7", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481404/852-10-50-7" }, "r1223": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "852", "SubTopic": "10", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "7", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481404/852-10-50-7" }, "r1224": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "860", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3", "Subparagraph": "(c)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481326/860-20-50-3" }, "r1225": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "860", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3", "Subparagraph": "(c)(2)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481326/860-20-50-3" }, "r1226": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "860", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3", "Subparagraph": "(c)(3)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481326/860-20-50-3" }, "r1227": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "860", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4", "Subparagraph": "(b)(1)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481326/860-20-50-4" }, "r1228": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "860", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4", "Subparagraph": "(b)(2)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481326/860-20-50-4" }, "r1229": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "860", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4", "Subparagraph": "(b)(3)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481326/860-20-50-4" }, "r1230": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "860", "SubTopic": "50", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481229/860-50-50-2" }, "r1231": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "860", "SubTopic": "50", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "4", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147481229/860-50-50-4" }, "r1232": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "942", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.9-03(7))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147479853/942-210-S99-1" }, "r1233": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "942", "SubTopic": "320", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2", "Subparagraph": "(b)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480832/942-320-50-2" }, "r1234": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "942", "SubTopic": "320", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480832/942-320-50-3" }, "r1235": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "942", "SubTopic": "320", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "3A", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480832/942-320-50-3A" }, "r1236": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "944", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.7-03(a)(15)(a))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147479440/944-210-S99-1" }, "r1237": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "944", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.7-03(a)(16)(a)(2))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147479440/944-210-S99-1" }, "r1238": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "944", "SubTopic": "30", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "2B", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147479432/944-30-50-2B" }, "r1239": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "944", "SubTopic": "80", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "1", "Subparagraph": "(e)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480109/944-80-50-1" }, "r1240": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "946", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "15", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480990/946-20-50-15" }, "r1241": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "946", "SubTopic": "20", "Name": "Accounting Standards Codification", "Section": "50", "Paragraph": "16", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480990/946-20-50-16" }, "r1242": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "946", "SubTopic": "205", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "4", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480767/946-205-45-4" }, "r1243": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "946", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.6-04(12)(b)(1))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147479617/946-210-S99-1" }, "r1244": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "946", "SubTopic": "210", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "1", "Subparagraph": "(SX 210.6-04(18))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147479617/946-210-S99-1" }, "r1245": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "946", "SubTopic": "220", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "3", "Subparagraph": "(i)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147483581/946-220-45-3" }, "r1246": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "946", "SubTopic": "220", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "3", "Subparagraph": "(SX 210.6-09(4)(b))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147483575/946-220-S99-3" }, "r1247": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "946", "SubTopic": "220", "Name": "Accounting Standards Codification", "Section": "S99", "Paragraph": "3", "Subparagraph": "(SX 210.6-09(7))", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147483575/946-220-S99-3" }, "r1248": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "946", "SubTopic": "310", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "1", "Subparagraph": "(a)", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480833/946-310-45-1" }, "r1249": { "role": "http://www.xbrl.org/2009/role/commonPracticeRef", "Topic": "946", "SubTopic": "830", "Name": "Accounting Standards Codification", "Section": "45", "Paragraph": "39", "Publisher": "FASB", "URI": "https://asc.fasb.org//1943274/2147480228/946-830-45-39" } } }