{ "instance": { "brhc10027604_ex99-1.htm": { "axisCustom": 0, "axisStandard": 17, "contextCount": 203, "dts": { "calculationLink": { "local": [ "ctrm-20210630_cal.xml" ] }, "definitionLink": { "local": [ "ctrm-20210630_def.xml" ] }, "inline": { "local": [ "brhc10027604_ex99-1.htm" ] }, "labelLink": { "local": [ "ctrm-20210630_lab.xml" ], "remote": [ "https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-doc-2021-01-31.xml" ] }, "presentationLink": { "local": [ "ctrm-20210630_pre.xml" ] }, "referenceLink": { "remote": [ "https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-ref-2021-01-31.xml" ] }, "schema": { "local": [ "ctrm-20210630.xsd" ], "remote": [ "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/lrr/role/net-2009-12-16.xsd", "http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd", "https://xbrl.sec.gov/dei/2021/dei-2021.xsd", "http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd", "http://www.xbrl.org/2005/xbrldt-2005.xsd", "https://www.xbrl.org/dtr/type/2020-01-21/types.xsd", "https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd", "https://www.xbrl.org/2020/extensible-enumerations-2.0.xsd", "http://www.xbrl.org/2006/ref-2006-02-27.xsd", "https://xbrl.fasb.org/us-gaap/2021/elts/us-types-2021-01-31.xsd", "https://xbrl.fasb.org/srt/2021/elts/srt-types-2021-01-31.xsd", "https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd", "https://xbrl.sec.gov/country/2021/country-2021.xsd", "https://xbrl.fasb.org/srt/2021/elts/srt-roles-2021-01-31.xsd", "https://xbrl.fasb.org/us-gaap/2021/elts/us-roles-2021-01-31.xsd", "https://xbrl.sec.gov/currency/2021/currency-2021.xsd", "https://xbrl.sec.gov/exch/2021/exch-2021.xsd", "https://xbrl.sec.gov/naics/2021/naics-2021.xsd", "https://xbrl.sec.gov/sic/2021/sic-2021.xsd", "https://xbrl.sec.gov/stpr/2021/stpr-2021.xsd", "http://www.xbrl.org/2004/ref-2004-08-10.xsd", "http://www.xbrl.org/lrr/arcrole/factExplanatory-2009-12-16.xsd", "https://xbrl.sec.gov/dei/2021/dei-2021_doc.xsd", "http://www.xbrl.org/lrr/role/reference-2009-12-16.xsd", "https://xbrl.fasb.org/us-gaap/2021/elts/us-parts-codification-2021-01-31.xsd", "https://xbrl.sec.gov/dei/2021/dei-2021_ref.xsd" ] } }, "elementCount": 476, "entityCount": 1, "hidden": { "http://castormaritime.com/20210630": 47, "http://fasb.org/us-gaap/2021-01-31": 4, "http://xbrl.sec.gov/dei/2021": 6, "total": 57 }, "keyCustom": 79, "keyStandard": 262, "memberCustom": 95, "memberStandard": 15, "nsprefix": "ctrm", "nsuri": "http://castormaritime.com/20210630", "report": { "R1": { "firstAnchor": null, "groupType": "document", "isDefault": "true", "longName": "000100 - Document - Document and Entity Information", "role": "http://castormaritime.com/role/DocumentAndEntityInformation", "shortName": "Document and Entity Information", "subGroupType": "", "uniqueAnchor": null }, "R10": { "firstAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "brhc10027604_ex99-1.htm", "contextRef": "c20210101to20210630", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "060100 - Disclosure - Basis of Presentation and General information", "role": "http://castormaritime.com/role/BasisOfPresentationAndGeneralInformation", "shortName": "Basis of Presentation and General information", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "brhc10027604_ex99-1.htm", "contextRef": "c20210101to20210630", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R11": { "firstAnchor": { "ancestors": [ "div", "body", "html" ], "baseRef": "brhc10027604_ex99-1.htm", "contextRef": "c20210101to20210630", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:SignificantAccountingPoliciesTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "060200 - Disclosure - Significant Accounting Policies and Recent Accounting Pronouncements", "role": "http://castormaritime.com/role/SignificantAccountingPoliciesAndRecentAccountingPronouncements", "shortName": "Significant Accounting Policies and Recent Accounting Pronouncements", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "div", "body", "html" ], "baseRef": "brhc10027604_ex99-1.htm", "contextRef": "c20210101to20210630", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:SignificantAccountingPoliciesTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R12": { "firstAnchor": { "ancestors": [ "div", "body", "html" ], "baseRef": "brhc10027604_ex99-1.htm", "contextRef": "c20210101to20210630", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:RelatedPartyTransactionsDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "060300 - Disclosure - Transactions with Related Parties", "role": "http://castormaritime.com/role/TransactionsWithRelatedParties", "shortName": "Transactions with Related Parties", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "div", "body", "html" ], "baseRef": "brhc10027604_ex99-1.htm", "contextRef": "c20210101to20210630", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:RelatedPartyTransactionsDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R13": { "firstAnchor": { "ancestors": [ "div", "body", "html" ], "baseRef": "brhc10027604_ex99-1.htm", "contextRef": "c20210101to20210630", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:OtherAssetsDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "060400 - Disclosure - Deferred charges, net", "role": "http://castormaritime.com/role/DeferredChargesNet", "shortName": "Deferred charges, net", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "div", "body", "html" ], "baseRef": "brhc10027604_ex99-1.htm", "contextRef": "c20210101to20210630", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:OtherAssetsDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R14": { "firstAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "brhc10027604_ex99-1.htm", "contextRef": "c20210101to20210630", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:PropertyPlantAndEquipmentDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "060500 - Disclosure - Vessels, net/ Advances for vessel acquisitions", "role": "http://castormaritime.com/role/VesselsNetAdvancesForVesselAcquisitions", "shortName": "Vessels, net/ Advances for vessel acquisitions", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "brhc10027604_ex99-1.htm", "contextRef": "c20210101to20210630", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:PropertyPlantAndEquipmentDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R15": { "firstAnchor": { "ancestors": [ "div", "body", "html" ], "baseRef": "brhc10027604_ex99-1.htm", "contextRef": "c20210101to20210630", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:LongTermDebtTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "060600 - Disclosure - Long-Term Debt", "role": "http://castormaritime.com/role/LongtermDebt", "shortName": "Long-Term Debt", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "div", "body", "html" ], "baseRef": "brhc10027604_ex99-1.htm", "contextRef": "c20210101to20210630", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:LongTermDebtTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R16": { "firstAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "brhc10027604_ex99-1.htm", "contextRef": "c20210101to20210630", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:StockholdersEquityNoteDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "060700 - Disclosure - Equity Capital Structure", "role": "http://castormaritime.com/role/EquityCapitalStructure", "shortName": "Equity Capital Structure", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "brhc10027604_ex99-1.htm", "contextRef": "c20210101to20210630", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:StockholdersEquityNoteDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R17": { "firstAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "brhc10027604_ex99-1.htm", "contextRef": "c20210101to20210630", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:FairValueDisclosuresTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "060800 - Disclosure - Financial Instruments and Fair Value Disclosures", "role": "http://castormaritime.com/role/FinancialInstrumentsAndFairValueDisclosures", "shortName": "Financial Instruments and Fair Value Disclosures", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "brhc10027604_ex99-1.htm", "contextRef": "c20210101to20210630", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:FairValueDisclosuresTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R18": { "firstAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "brhc10027604_ex99-1.htm", "contextRef": "c20210101to20210630", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:CommitmentsAndContingenciesDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "060900 - Disclosure - Commitments and contingencies", "role": "http://castormaritime.com/role/CommitmentsAndContingencies", "shortName": "Commitments and contingencies", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "brhc10027604_ex99-1.htm", "contextRef": "c20210101to20210630", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:CommitmentsAndContingenciesDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R19": { "firstAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "brhc10027604_ex99-1.htm", "contextRef": "c20210101to20210630", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:EarningsPerShareTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "061000 - Disclosure - Earnings/ (Loss) Per Share", "role": "http://castormaritime.com/role/EarningsLossPerShare", "shortName": "Earnings/ (Loss) Per Share", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "brhc10027604_ex99-1.htm", "contextRef": "c20210101to20210630", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:EarningsPerShareTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R2": { "firstAnchor": { "ancestors": [ "div", "td", "tr", "table", "div", "body", "html" ], "baseRef": "brhc10027604_ex99-1.htm", "contextRef": "c20210630", "decimals": "0", "first": true, "lang": null, "name": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "reportCount": 1, "unitRef": "U001", "xsiNil": "false" }, "groupType": "statement", "isDefault": "false", "longName": "010000 - Statement - UNAUDITED INTERIM CONSOLIDATED BALANCE SHEETS", "role": "http://castormaritime.com/role/UnauditedInterimConsolidatedBalanceSheets", "shortName": "UNAUDITED INTERIM CONSOLIDATED BALANCE SHEETS", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "div", "td", "tr", "table", "div", "body", "html" ], "baseRef": "brhc10027604_ex99-1.htm", "contextRef": "c20201231", "decimals": "0", "lang": null, "name": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "reportCount": 1, "unique": true, "unitRef": "U001", "xsiNil": "false" } }, "R20": { "firstAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "brhc10027604_ex99-1.htm", "contextRef": "c20210101to20210630", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:RevenueFromContractWithCustomerTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "061100 - Disclosure - Vessel Revenues", "role": "http://castormaritime.com/role/VesselRevenues", "shortName": "Vessel Revenues", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "brhc10027604_ex99-1.htm", "contextRef": "c20210101to20210630", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:RevenueFromContractWithCustomerTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R21": { "firstAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "brhc10027604_ex99-1.htm", "contextRef": "c20210101to20210630", "decimals": null, "first": true, "lang": "en-US", "name": "ctrm:VesselOperatingAndVoyageExpensesTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "061200 - Disclosure - Vessel Operating and Voyage Expenses", "role": "http://castormaritime.com/role/VesselOperatingAndVoyageExpenses", "shortName": "Vessel Operating and Voyage Expenses", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "brhc10027604_ex99-1.htm", "contextRef": "c20210101to20210630", "decimals": null, "first": true, "lang": "en-US", "name": "ctrm:VesselOperatingAndVoyageExpensesTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R22": { "firstAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "brhc10027604_ex99-1.htm", "contextRef": "c20210101to20210630", "decimals": null, "first": true, "lang": "en-US", "name": "ctrm:GeneralAndAdministrativeExpensesTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "061300 - Disclosure - General and Administrative Expenses", "role": "http://castormaritime.com/role/GeneralAndAdministrativeExpenses", "shortName": "General and Administrative Expenses", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "brhc10027604_ex99-1.htm", "contextRef": "c20210101to20210630", "decimals": null, "first": true, "lang": "en-US", "name": "ctrm:GeneralAndAdministrativeExpensesTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R23": { "firstAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "brhc10027604_ex99-1.htm", "contextRef": "c20210101to20210630", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:OtherNonoperatingIncomeAndExpenseTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "061400 - Disclosure - Interest and Finance Costs", "role": "http://castormaritime.com/role/InterestAndFinanceCosts", "shortName": "Interest and Finance Costs", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "brhc10027604_ex99-1.htm", "contextRef": "c20210101to20210630", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:OtherNonoperatingIncomeAndExpenseTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R24": { "firstAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "brhc10027604_ex99-1.htm", "contextRef": "c20210101to20210630", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:SubsequentEventsTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "061500 - Disclosure - Subsequent Events", "role": "http://castormaritime.com/role/SubsequentEvents", "shortName": "Subsequent Events", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "brhc10027604_ex99-1.htm", "contextRef": "c20210101to20210630", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:SubsequentEventsTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R25": { "firstAnchor": { "ancestors": [ "div", "body", "html" ], "baseRef": "brhc10027604_ex99-1.htm", "contextRef": "c20210101to20210630", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:BasisOfAccountingPolicyPolicyTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "070100 - Disclosure - Basis of Presentation and General information (Policies)", "role": "http://castormaritime.com/role/BasisOfPresentationAndGeneralInformationPolicies", "shortName": "Basis of Presentation and General information (Policies)", "subGroupType": "policies", "uniqueAnchor": { "ancestors": [ "div", "body", "html" ], "baseRef": "brhc10027604_ex99-1.htm", "contextRef": "c20210101to20210630", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:BasisOfAccountingPolicyPolicyTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R26": { "firstAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "brhc10027604_ex99-1.htm", "contextRef": "c20210101to20210630", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:SegmentReportingPolicyPolicyTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "070200 - Disclosure - Significant Accounting Policies and Recent Accounting Pronouncements (Policies)", "role": "http://castormaritime.com/role/SignificantAccountingPoliciesAndRecentAccountingPronouncementsPolicies", "shortName": "Significant Accounting Policies and Recent Accounting Pronouncements (Policies)", "subGroupType": "policies", "uniqueAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "brhc10027604_ex99-1.htm", "contextRef": "c20210101to20210630", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:SegmentReportingPolicyPolicyTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R27": { "firstAnchor": { "ancestors": [ "span", "div", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "brhc10027604_ex99-1.htm", "contextRef": "c20210101to20210630", "decimals": null, "first": true, "lang": "en-US", "name": "ctrm:VesselOwningSubsidiariesTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "080100 - Disclosure - Basis of Presentation and General Information (Tables)", "role": "http://castormaritime.com/role/BasisOfPresentationAndGeneralInformationTables", "shortName": "Basis of Presentation and General Information (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "span", "div", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "brhc10027604_ex99-1.htm", "contextRef": "c20210101to20210630", "decimals": null, "first": true, "lang": "en-US", "name": "ctrm:VesselOwningSubsidiariesTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R28": { "firstAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "brhc10027604_ex99-1.htm", "contextRef": "c20210101to20210630", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:ScheduleOfRelatedPartyTransactionsTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "080300 - Disclosure - Transactions with Related Parties (Tables)", "role": "http://castormaritime.com/role/TransactionsWithRelatedPartiesTables", "shortName": "Transactions with Related Parties (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "brhc10027604_ex99-1.htm", "contextRef": "c20210101to20210630", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:ScheduleOfRelatedPartyTransactionsTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R29": { "firstAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "brhc10027604_ex99-1.htm", "contextRef": "c20210101to20210630", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:DeferredCostsCapitalizedPrepaidAndOtherAssetsDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "080400 - Disclosure - Deferred charges, net (Tables)", "role": "http://castormaritime.com/role/DeferredChargesNetTables", "shortName": "Deferred charges, net (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "brhc10027604_ex99-1.htm", "contextRef": "c20210101to20210630", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:DeferredCostsCapitalizedPrepaidAndOtherAssetsDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R3": { "firstAnchor": { "ancestors": [ "div", "td", "tr", "table", "div", "body", "html" ], "baseRef": "brhc10027604_ex99-1.htm", "contextRef": "c20210630", "decimals": "0", "first": true, "lang": null, "name": "ctrm:AccruedInterestRelatedPartiesCurrent", "reportCount": 1, "unitRef": "U001", "xsiNil": "false" }, "groupType": "statement", "isDefault": "false", "longName": "010100 - Statement - UNAUDITED INTERIM CONSOLIDATED BALANCE SHEETS (Parenthetical)", "role": "http://castormaritime.com/role/UnauditedInterimConsolidatedBalanceSheetsParenthetical", "shortName": "UNAUDITED INTERIM CONSOLIDATED BALANCE SHEETS (Parenthetical)", "subGroupType": "parenthetical", "uniqueAnchor": { "ancestors": [ "us-gaap:CommonStockSharesOutstanding", "div", "td", "tr", "table", "div", "body", "html" ], "baseRef": "brhc10027604_ex99-1.htm", "contextRef": "c20210630", "decimals": "0", "lang": null, "name": "us-gaap:CommonStockSharesIssued", "reportCount": 1, "unique": true, "unitRef": "U003", "xsiNil": "false" } }, "R30": { "firstAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "brhc10027604_ex99-1.htm", "contextRef": "c20210101to20210630", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:PropertyPlantAndEquipmentTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "080500 - Disclosure - Vessels, net/ Advances for vessel acquisitions (Tables)", "role": "http://castormaritime.com/role/VesselsNetAdvancesForVesselAcquisitionsTables", "shortName": "Vessels, net/ Advances for vessel acquisitions (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "brhc10027604_ex99-1.htm", "contextRef": "c20210101to20210630", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:PropertyPlantAndEquipmentTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R31": { "firstAnchor": { "ancestors": [ "div", "body", "html" ], "baseRef": "brhc10027604_ex99-1.htm", "contextRef": "c20210101to20210630", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:ScheduleOfDebtTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "080600 - Disclosure - Long-Term Debt (Tables)", "role": "http://castormaritime.com/role/LongtermDebtTables", "shortName": "Long-Term Debt (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "div", "body", "html" ], "baseRef": "brhc10027604_ex99-1.htm", "contextRef": "c20210101to20210630", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:ScheduleOfDebtTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R32": { "firstAnchor": { "ancestors": [ "div", "body", "html" ], "baseRef": "brhc10027604_ex99-1.htm", "contextRef": "c20210101to20210630", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:LessorOperatingLeasePaymentsToBeReceivedMaturityTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "080900 - Disclosure - Commitments and contingencies (Tables)", "role": "http://castormaritime.com/role/CommitmentsAndContingenciesTables", "shortName": "Commitments and contingencies (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "div", "body", "html" ], "baseRef": "brhc10027604_ex99-1.htm", "contextRef": "c20210101to20210630", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:LessorOperatingLeasePaymentsToBeReceivedMaturityTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R33": { "firstAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "brhc10027604_ex99-1.htm", "contextRef": "c20210101to20210630", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "081000 - Disclosure - Earnings/ (Loss) Per Share (Tables)", "role": "http://castormaritime.com/role/EarningsLossPerShareTables", "shortName": "Earnings/ (Loss) Per Share (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "div", "div", "body", "html" ], "baseRef": "brhc10027604_ex99-1.htm", "contextRef": "c20210101to20210630", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R34": { "firstAnchor": { "ancestors": [ "ix:continuation", "div", "div", "body", "html" ], "baseRef": "brhc10027604_ex99-1.htm", "contextRef": "c20210101to20210630", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:DisaggregationOfRevenueTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "081100 - Disclosure - Vessel Revenues (Tables)", "role": "http://castormaritime.com/role/VesselRevenuesTables", "shortName": "Vessel Revenues (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "ix:continuation", "div", "div", "body", "html" ], "baseRef": "brhc10027604_ex99-1.htm", "contextRef": "c20210101to20210630", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:DisaggregationOfRevenueTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R35": { "firstAnchor": { "ancestors": [ "ix:continuation", "div", "div", "body", "html" ], "baseRef": "brhc10027604_ex99-1.htm", "contextRef": "c20210101to20210630", "decimals": null, "first": true, "lang": "en-US", "name": "ctrm:VesselOperatingExpensesTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "081200 - Disclosure - Vessel Operating and Voyage Expenses (Tables)", "role": "http://castormaritime.com/role/VesselOperatingAndVoyageExpensesTables", "shortName": "Vessel Operating and Voyage Expenses (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "ix:continuation", "div", "div", "body", "html" ], "baseRef": "brhc10027604_ex99-1.htm", "contextRef": "c20210101to20210630", "decimals": null, "first": true, "lang": "en-US", "name": "ctrm:VesselOperatingExpensesTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R36": { "firstAnchor": { "ancestors": [ "ix:continuation", "div", "body", "html" ], "baseRef": "brhc10027604_ex99-1.htm", "contextRef": "c20210101to20210630", "decimals": null, "first": true, "lang": "en-US", "name": "ctrm:GeneralAndAdministrativeExpensesTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "081300 - Disclosure - General and Administrative Expenses (Tables)", "role": "http://castormaritime.com/role/GeneralAndAdministrativeExpensesTables", "shortName": "General and Administrative Expenses (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "ix:continuation", "div", "body", "html" ], "baseRef": "brhc10027604_ex99-1.htm", "contextRef": "c20210101to20210630", "decimals": null, "first": true, "lang": "en-US", "name": "ctrm:GeneralAndAdministrativeExpensesTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R37": { "firstAnchor": { "ancestors": [ "ix:continuation", "div", "body", "html" ], "baseRef": "brhc10027604_ex99-1.htm", "contextRef": "c20210101to20210630", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:ScheduleOfOtherNonoperatingIncomeExpenseTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "081400 - Disclosure - Interest and Finance Costs (Tables)", "role": "http://castormaritime.com/role/InterestAndFinanceCostsTables", "shortName": "Interest and Finance Costs (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "ix:continuation", "div", "body", "html" ], "baseRef": "brhc10027604_ex99-1.htm", "contextRef": "c20210101to20210630", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:ScheduleOfOtherNonoperatingIncomeExpenseTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R38": { "firstAnchor": { "ancestors": [ "span", "div", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "brhc10027604_ex99-1.htm", "contextRef": "c20210630", "decimals": "0", "first": true, "lang": null, "name": "ctrm:NumberOfVessels", "reportCount": 1, "unitRef": "U005", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "090100 - Disclosure - Basis of Presentation and General information, General Information (Details)", "role": "http://castormaritime.com/role/BasisOfPresentationAndGeneralInformationGeneralInformationDetails", "shortName": "Basis of Presentation and General information, General Information (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "div", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "brhc10027604_ex99-1.htm", "contextRef": "c20210630_PropertyPlantAndEquipmentByTypeAxis_CapesizeVesselMember", "decimals": "0", "lang": null, "name": "ctrm:NumberOfVessels", "reportCount": 1, "unique": true, "unitRef": "U005", "xsiNil": "false" } }, "R39": { "firstAnchor": { "ancestors": [ "span", "div", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "brhc10027604_ex99-1.htm", "contextRef": "c20210101to20210630", "decimals": "-5", "first": true, "lang": null, "name": "ctrm:DeadWeightTonnage", "reportCount": 1, "unitRef": "U006", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "090102 - Disclosure - Basis of Presentation and General information, Vessel Owning Subsidiaries (Details)", "role": "http://castormaritime.com/role/BasisOfPresentationAndGeneralInformationVesselOwningSubsidiariesDetails", "shortName": "Basis of Presentation and General information, Vessel Owning Subsidiaries (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "div", "td", "tr", "table", "ix:continuation", "ix:continuation", "div", "body", "html" ], "baseRef": "brhc10027604_ex99-1.htm", "contextRef": "c20210101to20210630_PropertyPlantAndEquipmentByTypeAxis_MagicPMember", "decimals": "0", "lang": null, "name": "ctrm:DeadWeightTonnage", "reportCount": 1, "unique": true, "unitRef": "U006", "xsiNil": "false" } }, "R4": { "firstAnchor": { "ancestors": [ "div", "td", "tr", "table", "div", "body", "html" ], "baseRef": "brhc10027604_ex99-1.htm", "contextRef": "c20210101to20210630", "decimals": "0", "first": true, "lang": null, "name": "us-gaap:OperatingLeaseLeaseIncome", "reportCount": 1, "unitRef": "U001", "xsiNil": "false" }, "groupType": "statement", "isDefault": "false", "longName": "020000 - Statement - UNAUDITED INTERIM CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME / (LOSS)", "role": "http://castormaritime.com/role/UnauditedInterimCondensedConsolidatedStatementsOfComprehensiveIncomeLoss", "shortName": "UNAUDITED INTERIM CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME / (LOSS)", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "div", "td", "tr", "table", "div", "body", "html" ], "baseRef": "brhc10027604_ex99-1.htm", "contextRef": "c20210101to20210630", "decimals": "0", "lang": null, "name": "us-gaap:Revenues", "reportCount": 1, "unique": true, "unitRef": "U001", "xsiNil": "false" } }, "R40": { "firstAnchor": { "ancestors": [ "span", "span", "span", "div", "ix:continuation", "ix:continuation", "div", "body", "html" ], "baseRef": "brhc10027604_ex99-1.htm", "contextRef": "c20210101to20210630", "decimals": "INF", "first": true, "lang": null, "name": "us-gaap:NumberOfReportableSegments", "reportCount": 1, "unique": true, "unitRef": "U007", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "090200 - Disclosure - Significant Accounting Policies and Recent Accounting Pronouncements (Details)", "role": "http://castormaritime.com/role/SignificantAccountingPoliciesAndRecentAccountingPronouncementsDetails", "shortName": "Significant Accounting Policies and Recent Accounting Pronouncements (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "span", "span", "div", "ix:continuation", "ix:continuation", "div", "body", "html" ], "baseRef": "brhc10027604_ex99-1.htm", "contextRef": "c20210101to20210630", "decimals": "INF", "first": true, "lang": null, "name": "us-gaap:NumberOfReportableSegments", "reportCount": 1, "unique": true, "unitRef": "U007", "xsiNil": "false" } }, "R41": { "firstAnchor": { "ancestors": [ "div", "td", "tr", "table", "div", "body", "html" ], "baseRef": "brhc10027604_ex99-1.htm", "contextRef": "c20210101to20210630", "decimals": "0", "first": true, "lang": null, "name": "ctrm:RelatedPartyTransactionManagementFees", "reportCount": 1, "unitRef": "U001", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "090300 - Disclosure - Transactions with Related Parties, Summary (Details)", "role": "http://castormaritime.com/role/TransactionsWithRelatedPartiesSummaryDetails", "shortName": "Transactions with Related Parties, Summary (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "td", "tr", "table", "ix:continuation", "ix:continuation", "div", "body", "html" ], "baseRef": "brhc10027604_ex99-1.htm", "contextRef": "c20210630_RelatedPartyTransactionsByRelatedPartyAxis_PavimarSAMember", "decimals": "0", "lang": null, "name": "ctrm:ManagementFeesDueToRelatedParty", "reportCount": 1, "unique": true, "unitRef": "U001", "xsiNil": "false" } }, "R42": { "firstAnchor": { "ancestors": [ "div", "td", "tr", "table", "div", "body", "html" ], "baseRef": "brhc10027604_ex99-1.htm", "contextRef": "c20210630", "decimals": "0", "first": true, "lang": null, "name": "us-gaap:DueFromRelatedPartiesCurrent", "reportCount": 1, "unitRef": "U001", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "090302 - Disclosure - Transactions with Related Parties, Pavimar (Details)", "role": "http://castormaritime.com/role/TransactionsWithRelatedPartiesPavimarDetails", "shortName": "Transactions with Related Parties, Pavimar (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "brhc10027604_ex99-1.htm", "contextRef": "c20200101to20200630_RelatedPartyTransactionAxis_VesselManagementAgreementsMember_RelatedPartyTransactionsByRelatedPartyAxis_PavimarSAMember", "decimals": "0", "lang": null, "name": "ctrm:RelatedPartyTransactionFixedDailyFee", "reportCount": 1, "unique": true, "unitRef": "U008", "xsiNil": "false" } }, "R43": { "firstAnchor": { "ancestors": [ "div", "td", "tr", "table", "div", "body", "html" ], "baseRef": "brhc10027604_ex99-1.htm", "contextRef": "c20210101to20210630", "decimals": "0", "first": true, "lang": null, "name": "us-gaap:InterestExpenseRelatedParty", "reportCount": 1, "unitRef": "U001", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "090306 - Disclosure - Transactions with Related Parties, Thalassa (Details)", "role": "http://castormaritime.com/role/TransactionsWithRelatedPartiesThalassaDetails", "shortName": "Transactions with Related Parties, Thalassa (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "div", "ix:continuation", "div", "body", "html" ], "baseRef": "brhc10027604_ex99-1.htm", "contextRef": "c20210101to20210630_DebtInstrumentAxis_TermLoanFacilityMember_RelatedPartyTransactionsByRelatedPartyAxis_ThalassaInvestmentCoSAMember", "decimals": "0", "lang": null, "name": "us-gaap:RepaymentsOfRelatedPartyDebt", "reportCount": 1, "unique": true, "unitRef": "U001", "xsiNil": "false" } }, "R44": { "firstAnchor": { "ancestors": [ "div", "td", "tr", "table", "div", "body", "html" ], "baseRef": "brhc10027604_ex99-1.htm", "contextRef": "c20210101to20210630", "decimals": "0", "first": true, "lang": null, "name": "us-gaap:RelatedPartyTransactionSellingGeneralAndAdministrativeExpensesFromTransactionsWithRelatedParty", "reportCount": 1, "unitRef": "U001", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "090308 - Disclosure - Transactions with Related Parties, Castor Ships (Details)", "role": "http://castormaritime.com/role/TransactionsWithRelatedPartiesCastorShipsDetails", "shortName": "Transactions with Related Parties, Castor Ships (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "brhc10027604_ex99-1.htm", "contextRef": "c20210101to20210630_RelatedPartyTransactionAxis_ManagementAgreementsMember_RelatedPartyTransactionsByRelatedPartyAxis_CastorShipsSAMember", "decimals": "-5", "lang": null, "name": "ctrm:RelatedPartyTransactionQuarterlyManagementFee", "reportCount": 1, "unique": true, "unitRef": "U001", "xsiNil": "false" } }, "R45": { "firstAnchor": { "ancestors": [ "div", "td", "tr", "table", "div", "body", "html" ], "baseRef": "brhc10027604_ex99-1.htm", "contextRef": "c20201231", "decimals": "0", "first": true, "lang": null, "name": "us-gaap:CapitalizedContractCostNetNoncurrent", "reportCount": 1, "unitRef": "U001", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "090400 - Disclosure - Deferred charges, net (Details)", "role": "http://castormaritime.com/role/DeferredChargesNetDetails", "shortName": "Deferred charges, net (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "div", "td", "tr", "table", "ix:continuation", "ix:continuation", "div", "body", "html" ], "baseRef": "brhc10027604_ex99-1.htm", "contextRef": "c20210101to20210630", "decimals": "0", "lang": null, "name": "ctrm:CapitalizedContractCostAdditions", "reportCount": 1, "unique": true, "unitRef": "U001", "xsiNil": "false" } }, "R46": { "firstAnchor": { "ancestors": [ "div", "td", "tr", "table", "div", "body", "html" ], "baseRef": "brhc10027604_ex99-1.htm", "contextRef": "c20201231", "decimals": "0", "first": true, "lang": null, "name": "us-gaap:PropertyPlantAndEquipmentNet", "reportCount": 1, "unitRef": "U001", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "090500 - Disclosure - Vessels, net/ Advances for vessel acquisitions, Net Book Value (Details)", "role": "http://castormaritime.com/role/VesselsNetAdvancesForVesselAcquisitionsNetBookValueDetails", "shortName": "Vessels, net/ Advances for vessel acquisitions, Net Book Value (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "div", "td", "tr", "table", "ix:continuation", "ix:continuation", "div", "div", "div", "body", "html" ], "baseRef": "brhc10027604_ex99-1.htm", "contextRef": "c20201231_PropertyPlantAndEquipmentByTypeAxis_VesselsMember", "decimals": "0", "lang": null, "name": "us-gaap:PropertyPlantAndEquipmentGross", "reportCount": 1, "unique": true, "unitRef": "U001", "xsiNil": "false" } }, "R47": { "firstAnchor": { "ancestors": [ "div", "td", "tr", "table", "div", "body", "html" ], "baseRef": "brhc10027604_ex99-1.htm", "contextRef": "c20210101to20210630", "decimals": "0", "first": true, "lang": null, "name": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "reportCount": 1, "unitRef": "U001", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "090502 - Disclosure - Vessels, net/ Advances for vessel acquisitions, Vessel Acquisitions and other Capital Expenditures (Details)", "role": "http://castormaritime.com/role/VesselsNetAdvancesForVesselAcquisitionsVesselAcquisitionsAndOtherCapitalExpendituresDetails", "shortName": "Vessels, net/ Advances for vessel acquisitions, Vessel Acquisitions and other Capital Expenditures (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "div", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "brhc10027604_ex99-1.htm", "contextRef": "c20210630", "decimals": "0", "lang": null, "name": "ctrm:NumberOfVesselsMortgagedAsCollateral", "reportCount": 1, "unique": true, "unitRef": "U005", "xsiNil": "false" } }, "R48": { "firstAnchor": { "ancestors": [ "td", "tr", "table", "div", "body", "html" ], "baseRef": "brhc10027604_ex99-1.htm", "contextRef": "c20201231", "decimals": "0", "first": true, "lang": null, "name": "ctrm:AdvancesForVesselAcquisitions", "reportCount": 1, "unitRef": "U001", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "090504 - Disclosure - Vessels, net/ Advances for vessel acquisitions, Advances for vessel acquisitions (Details)", "role": "http://castormaritime.com/role/VesselsNetAdvancesForVesselAcquisitionsAdvancesForVesselAcquisitionsDetails", "shortName": "Vessels, net/ Advances for vessel acquisitions, Advances for vessel acquisitions (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "div", "td", "tr", "table", "ix:continuation", "ix:continuation", "div", "div", "div", "body", "html" ], "baseRef": "brhc10027604_ex99-1.htm", "contextRef": "c20210101to20210630", "decimals": "0", "lang": null, "name": "ctrm:AdvancesForVesselAcquisitionsAndOtherVesselPreDeliveryCosts", "reportCount": 1, "unique": true, "unitRef": "U001", "xsiNil": "false" } }, "R49": { "firstAnchor": { "ancestors": [ "div", "td", "tr", "table", "ix:continuation", "ix:continuation", "div", "body", "html" ], "baseRef": "brhc10027604_ex99-1.htm", "contextRef": "c20210630", "decimals": "0", "first": true, "lang": null, "name": "us-gaap:DebtInstrumentCarryingAmount", "reportCount": 1, "unitRef": "U001", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "090600 - Disclosure - Long-Term Debt, Long-Term Debt Including Related Party Debt (Details)", "role": "http://castormaritime.com/role/LongtermDebtLongtermDebtIncludingRelatedPartyDebtDetails", "shortName": "Long-Term Debt, Long-Term Debt Including Related Party Debt (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "div", "td", "tr", "table", "ix:continuation", "ix:continuation", "div", "body", "html" ], "baseRef": "brhc10027604_ex99-1.htm", "contextRef": "c20210630", "decimals": "0", "lang": null, "name": "us-gaap:DeferredFinanceCostsNet", "reportCount": 1, "unique": true, "unitRef": "U001", "xsiNil": "false" } }, "R5": { "firstAnchor": { "ancestors": [ "div", "td", "tr", "table", "div", "body", "html" ], "baseRef": "brhc10027604_ex99-1.htm", "contextRef": "c20210101to20210630", "decimals": "0", "first": true, "lang": null, "name": "ctrm:AddressCommissions", "reportCount": 1, "unique": true, "unitRef": "U001", "xsiNil": "false" }, "groupType": "statement", "isDefault": "false", "longName": "020100 - Statement - UNAUDITED INTERIM CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME / (LOSS) (Parenthetical)", "role": "http://castormaritime.com/role/UnauditedInterimCondensedConsolidatedStatementsOfComprehensiveIncomeLossParenthetical", "shortName": "UNAUDITED INTERIM CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME / (LOSS) (Parenthetical)", "subGroupType": "parenthetical", "uniqueAnchor": { "ancestors": [ "div", "td", "tr", "table", "div", "body", "html" ], "baseRef": "brhc10027604_ex99-1.htm", "contextRef": "c20210101to20210630", "decimals": "0", "first": true, "lang": null, "name": "ctrm:AddressCommissions", "reportCount": 1, "unique": true, "unitRef": "U001", "xsiNil": "false" } }, "R50": { "firstAnchor": { "ancestors": [ "div", "td", "tr", "table", "ix:continuation", "ix:continuation", "div", "body", "html" ], "baseRef": "brhc10027604_ex99-1.htm", "contextRef": "c20210630_DebtInstrumentAxis_AlphaBankFinancingMember", "decimals": "-5", "first": true, "lang": null, "name": "us-gaap:DebtInstrumentFaceAmount", "reportCount": 1, "unitRef": "U001", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "090602 - Disclosure - Long-Term Debt, $11.0 million Term Loan Facility (Details)", "role": "http://castormaritime.com/role/LongtermDebt110MillionTermLoanFacilityDetails", "shortName": "Long-Term Debt, $11.0 million Term Loan Facility (Details)", "subGroupType": "details", "uniqueAnchor": null }, "R51": { "firstAnchor": { "ancestors": [ "div", "td", "tr", "table", "ix:continuation", "ix:continuation", "div", "body", "html" ], "baseRef": "brhc10027604_ex99-1.htm", "contextRef": "c20210630_DebtInstrumentAxis_SeniorSecuredTermLoanFacilityMember", "decimals": "-5", "first": true, "lang": null, "name": "us-gaap:DebtInstrumentFaceAmount", "reportCount": 1, "unitRef": "U001", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "090604 - Disclosure - Long-Term Debt, $4.5 million Term Loan Facility (Details)", "role": "http://castormaritime.com/role/LongtermDebt45MillionTermLoanFacilityDetails", "shortName": "Long-Term Debt, $4.5 million Term Loan Facility (Details)", "subGroupType": "details", "uniqueAnchor": null }, "R52": { "firstAnchor": { "ancestors": [ "span", "span", "td", "tr", "table", "ix:continuation", "ix:continuation", "div", "body", "html" ], "baseRef": "brhc10027604_ex99-1.htm", "contextRef": "c20210630_DebtInstrumentAxis_SeniorSecuredTeamLoanFacilityHamburgCommercialBankMember", "decimals": "-5", "first": true, "lang": null, "name": "us-gaap:DebtInstrumentFaceAmount", "reportCount": 1, "unitRef": "U001", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "090606 - Disclosure - Long-Term Debt, $15.3 million Term Loan Facility (Details)", "role": "http://castormaritime.com/role/LongtermDebt153MillionTermLoanFacilityDetails", "shortName": "Long-Term Debt, $15.3 million Term Loan Facility (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "div", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "brhc10027604_ex99-1.htm", "contextRef": "c20210101to20210630_DebtInstrumentAxis_SeniorSecuredTeamLoanFacilityHamburgCommercialBankMember", "decimals": "INF", "lang": null, "name": "ctrm:DebtInstrumentNumberOfPaymentInstallments", "reportCount": 1, "unique": true, "unitRef": "U009", "xsiNil": "false" } }, "R53": { "firstAnchor": { "ancestors": [ "span", "span", "td", "tr", "table", "ix:continuation", "ix:continuation", "div", "body", "html" ], "baseRef": "brhc10027604_ex99-1.htm", "contextRef": "c20210630_DebtInstrumentAxis_SeniorSecuredTeamLoanFacilityAlphaBankMember", "decimals": "-5", "first": true, "lang": null, "name": "us-gaap:DebtInstrumentFaceAmount", "reportCount": 1, "unitRef": "U001", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "090608 - Disclosure - Long-Term Debt, $18.0 million Term Loan Facility (Details)", "role": "http://castormaritime.com/role/LongtermDebt180MillionTermLoanFacilityDetails", "shortName": "Long-Term Debt, $18.0 million Term Loan Facility (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "brhc10027604_ex99-1.htm", "contextRef": "c20210101to20210630_DebtInstrumentAxis_SeniorSecuredTeamLoanFacilityAlphaBankMember", "decimals": null, "lang": "en-US", "name": "us-gaap:DebtInstrumentTerm", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R54": { "firstAnchor": { "ancestors": [ "div", "ix:continuation", "div", "div", "div", "div", "body", "html" ], "baseRef": "brhc10027604_ex99-1.htm", "contextRef": "c20210630", "decimals": "-5", "first": true, "lang": null, "name": "ctrm:MinimumLiquidityDeposits", "reportCount": 1, "unique": true, "unitRef": "U001", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "090612 - Disclosure - Long-Term Debt, Annual Principal Payments (Details)", "role": "http://castormaritime.com/role/LongtermDebtAnnualPrincipalPaymentsDetails", "shortName": "Long-Term Debt, Annual Principal Payments (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "div", "ix:continuation", "div", "div", "div", "div", "body", "html" ], "baseRef": "brhc10027604_ex99-1.htm", "contextRef": "c20210630", "decimals": "-5", "first": true, "lang": null, "name": "ctrm:MinimumLiquidityDeposits", "reportCount": 1, "unique": true, "unitRef": "U001", "xsiNil": "false" } }, "R55": { "firstAnchor": { "ancestors": [ "ctrm:CapitalStockSharesAuthorized", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "brhc10027604_ex99-1.htm", "contextRef": "c20210630", "decimals": "0", "first": true, "lang": null, "name": "ctrm:CapitalStockSharesAuthorized", "reportCount": 1, "unique": true, "unitRef": "U003", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "090700 - Disclosure - Equity Capital Structure, Capital Stock (Details)", "role": "http://castormaritime.com/role/EquityCapitalStructureCapitalStockDetails", "shortName": "Equity Capital Structure, Capital Stock (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "ctrm:CapitalStockSharesAuthorized", "div", "ix:continuation", "div", "body", "html" ], "baseRef": "brhc10027604_ex99-1.htm", "contextRef": "c20210630", "decimals": "0", "first": true, "lang": null, "name": "ctrm:CapitalStockSharesAuthorized", "reportCount": 1, "unique": true, "unitRef": "U003", "xsiNil": "false" } }, "R56": { "firstAnchor": { "ancestors": [ "div", "td", "tr", "table", "div", "body", "html" ], "baseRef": "brhc10027604_ex99-1.htm", "contextRef": "c20210101to20210630", "decimals": "0", "first": true, "lang": null, "name": "us-gaap:ProceedsFromIssuanceOrSaleOfEquity", "reportCount": 1, "unitRef": "U001", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "090702 - Disclosure - Equity Capital Structure, 2021 First Registered Direct Equity Offering (Details)", "role": "http://castormaritime.com/role/EquityCapitalStructure2021FirstRegisteredDirectEquityOfferingDetails", "shortName": "Equity Capital Structure, 2021 First Registered Direct Equity Offering (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "div", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "brhc10027604_ex99-1.htm", "contextRef": "c20210210to20210210_ClassOfWarrantOrRightAxis_FirstPrivatePlacementWarrants2021Member", "decimals": "0", "lang": null, "name": "us-gaap:StockIssuedDuringPeriodSharesNewIssues", "reportCount": 1, "unique": true, "unitRef": "U003", "xsiNil": "false" } }, "R57": { "firstAnchor": { "ancestors": [ "div", "td", "tr", "table", "div", "body", "html" ], "baseRef": "brhc10027604_ex99-1.htm", "contextRef": "c20210101to20210630", "decimals": "0", "first": true, "lang": null, "name": "us-gaap:ProceedsFromIssuanceOrSaleOfEquity", "reportCount": 1, "unitRef": "U001", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "090704 - Disclosure - Equity Capital Structure, 2021 Second Registered Direct Equity Offering (Details)", "role": "http://castormaritime.com/role/EquityCapitalStructure2021SecondRegisteredDirectEquityOfferingDetails", "shortName": "Equity Capital Structure, 2021 Second Registered Direct Equity Offering (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "div", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "brhc10027604_ex99-1.htm", "contextRef": "c20210210to20210210_ClassOfWarrantOrRightAxis_SecondPrivatePlacementWarrants2021Member", "decimals": "0", "lang": null, "name": "us-gaap:StockIssuedDuringPeriodSharesNewIssues", "reportCount": 1, "unique": true, "unitRef": "U003", "xsiNil": "false" } }, "R58": { "firstAnchor": { "ancestors": [ "div", "td", "tr", "table", "div", "body", "html" ], "baseRef": "brhc10027604_ex99-1.htm", "contextRef": "c20210101to20210630", "decimals": "0", "first": true, "lang": null, "name": "us-gaap:ProceedsFromIssuanceOrSaleOfEquity", "reportCount": 1, "unitRef": "U001", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "090706 - Disclosure - Equity Capital Structure, 2021 Third Registered Direct Equity Offering (Details)", "role": "http://castormaritime.com/role/EquityCapitalStructure2021ThirdRegisteredDirectEquityOfferingDetails", "shortName": "Equity Capital Structure, 2021 Third Registered Direct Equity Offering (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "div", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "brhc10027604_ex99-1.htm", "contextRef": "c20210405_ClassOfWarrantOrRightAxis_ThirdPrivatePlacementWarrants2021Member", "decimals": "0", "lang": null, "name": "us-gaap:ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights", "reportCount": 1, "unique": true, "unitRef": "U003", "xsiNil": "false" } }, "R59": { "firstAnchor": { "ancestors": [ "div", "td", "tr", "table", "div", "body", "html" ], "baseRef": "brhc10027604_ex99-1.htm", "contextRef": "c20210101to20210630", "decimals": "0", "first": true, "lang": null, "name": "us-gaap:ProceedsFromIssuanceOrSaleOfEquity", "reportCount": 1, "unitRef": "U001", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "090708 - Disclosure - Equity Capital Structure, At-the-Market Common Stock Offering (Details)", "role": "http://castormaritime.com/role/EquityCapitalStructureAtthemarketCommonStockOfferingDetails", "shortName": "Equity Capital Structure, At-the-Market Common Stock Offering (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "div", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "brhc10027604_ex99-1.htm", "contextRef": "c20210101to20210630_RangeAxis_MinimumMember", "decimals": null, "lang": "en-US", "name": "ctrm:CommonStockThatCanBeSoldTerm", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R6": { "firstAnchor": { "ancestors": [ "div", "td", "tr", "table", "div", "body", "html" ], "baseRef": "brhc10027604_ex99-1.htm", "contextRef": "c20191231_StatementEquityComponentsAxis_ParValueOfSharesIssuedMember", "decimals": "0", "first": true, "lang": null, "name": "us-gaap:StockholdersEquity", "reportCount": 1, "unique": true, "unitRef": "U001", "xsiNil": "false" }, "groupType": "statement", "isDefault": "false", "longName": "030000 - Statement - UNAUDITED INTERIM CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY", "role": "http://castormaritime.com/role/UnauditedInterimConsolidatedStatementsOfShareholdersEquity", "shortName": "UNAUDITED INTERIM CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "div", "td", "tr", "table", "div", "body", "html" ], "baseRef": "brhc10027604_ex99-1.htm", "contextRef": "c20191231_StatementEquityComponentsAxis_ParValueOfSharesIssuedMember", "decimals": "0", "first": true, "lang": null, "name": "us-gaap:StockholdersEquity", "reportCount": 1, "unique": true, "unitRef": "U001", "xsiNil": "false" } }, "R60": { "firstAnchor": { "ancestors": [ "div", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "brhc10027604_ex99-1.htm", "contextRef": "c20210101to20210630_ClassOfWarrantOrRightAxis_ClassAWarrantMember_SubsidiarySaleOfStockAxis_June2020EquityOfferingMember", "decimals": "0", "first": true, "lang": null, "name": "us-gaap:StockIssuedDuringPeriodSharesNewIssues", "reportCount": 1, "unique": true, "unitRef": "U003", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "090710 - Disclosure - Equity Capital Structure, Issuance of common Stock in Connection with Class A Warrants and July 2020 Equity Offering Warrants (Details)", "role": "http://castormaritime.com/role/EquityCapitalStructureIssuanceOfCommonStockInConnectionWithClassWarrantsAndJuly2020EquityOfferingWarrantsDetails", "shortName": "Equity Capital Structure, Issuance of common Stock in Connection with Class A Warrants and July 2020 Equity Offering Warrants (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "div", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "brhc10027604_ex99-1.htm", "contextRef": "c20210101to20210630_ClassOfWarrantOrRightAxis_ClassAWarrantMember_SubsidiarySaleOfStockAxis_June2020EquityOfferingMember", "decimals": "0", "first": true, "lang": null, "name": "us-gaap:StockIssuedDuringPeriodSharesNewIssues", "reportCount": 1, "unique": true, "unitRef": "U003", "xsiNil": "false" } }, "R61": { "firstAnchor": { "ancestors": [ "div", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "brhc10027604_ex99-1.htm", "contextRef": "c20210528", "decimals": "0", "first": true, "lang": null, "name": "us-gaap:CommonStockSharesOutstanding", "reportCount": 1, "unique": true, "unitRef": "U003", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "090712 - Disclosure - Equity Capital Structure, Reverse Stock Split (Details)", "role": "http://castormaritime.com/role/EquityCapitalStructureReverseStockSplitDetails", "shortName": "Equity Capital Structure, Reverse Stock Split (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "div", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "brhc10027604_ex99-1.htm", "contextRef": "c20210528", "decimals": "0", "first": true, "lang": null, "name": "us-gaap:CommonStockSharesOutstanding", "reportCount": 1, "unique": true, "unitRef": "U003", "xsiNil": "false" } }, "R62": { "firstAnchor": { "ancestors": [ "div", "td", "tr", "table", "ix:continuation", "ix:continuation", "div", "body", "html" ], "baseRef": "brhc10027604_ex99-1.htm", "contextRef": "c20210630_DebtInstrumentAxis_TermLoanFacilityMember", "decimals": "-5", "first": true, "lang": null, "name": "us-gaap:DebtInstrumentFaceAmount", "reportCount": 1, "unitRef": "U001", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "090800 - Disclosure - Financial Instruments and Fair Value Disclosures (Details)", "role": "http://castormaritime.com/role/FinancialInstrumentsAndFairValueDisclosuresDetails", "shortName": "Financial Instruments and Fair Value Disclosures (Details)", "subGroupType": "details", "uniqueAnchor": null }, "R63": { "firstAnchor": { "ancestors": [ "div", "td", "tr", "table", "ix:continuation", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "brhc10027604_ex99-1.htm", "contextRef": "c20210630", "decimals": "0", "first": true, "lang": null, "name": "us-gaap:LessorOperatingLeasePaymentsToBeReceivedNextTwelveMonths", "reportCount": 1, "unique": true, "unitRef": "U001", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "090900 - Disclosure - Commitments and contingencies (Details)", "role": "http://castormaritime.com/role/CommitmentsAndContingenciesDetails", "shortName": "Commitments and contingencies (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "div", "td", "tr", "table", "ix:continuation", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "brhc10027604_ex99-1.htm", "contextRef": "c20210630", "decimals": "0", "first": true, "lang": null, "name": "us-gaap:LessorOperatingLeasePaymentsToBeReceivedNextTwelveMonths", "reportCount": 1, "unique": true, "unitRef": "U001", "xsiNil": "false" } }, "R64": { "firstAnchor": { "ancestors": [ "us-gaap:ComprehensiveIncomeNetOfTax", "td", "tr", "table", "div", "body", "html" ], "baseRef": "brhc10027604_ex99-1.htm", "contextRef": "c20210101to20210630", "decimals": "0", "first": true, "lang": null, "name": "us-gaap:NetIncomeLoss", "reportCount": 1, "unitRef": "U001", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "091000 - Disclosure - Earnings/ (Loss) Per Share (Details)", "role": "http://castormaritime.com/role/EarningsLossPerShareDetails", "shortName": "Earnings/ (Loss) Per Share (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "div", "td", "tr", "table", "ix:continuation", "ix:continuation", "div", "body", "html" ], "baseRef": "brhc10027604_ex99-1.htm", "contextRef": "c20210101to20210630", "decimals": "0", "lang": null, "name": "us-gaap:PreferredStockDividendsIncomeStatementImpact", "reportCount": 1, "unique": true, "unitRef": "U001", "xsiNil": "false" } }, "R65": { "firstAnchor": { "ancestors": [ "div", "td", "tr", "table", "div", "body", "html" ], "baseRef": "brhc10027604_ex99-1.htm", "contextRef": "c20210101to20210630", "decimals": "0", "first": true, "lang": null, "name": "us-gaap:OperatingLeaseLeaseIncome", "reportCount": 1, "unitRef": "U001", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "091100 - Disclosure - Vessel Revenues (Details)", "role": "http://castormaritime.com/role/VesselRevenuesDetails", "shortName": "Vessel Revenues (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "div", "td", "tr", "table", "ix:continuation", "ix:continuation", "div", "div", "body", "html" ], "baseRef": "brhc10027604_ex99-1.htm", "contextRef": "c20210101to20210630_ProductOrServiceAxis_TimeCharterMember", "decimals": "0", "lang": null, "name": "us-gaap:OperatingLeaseLeaseIncome", "reportCount": 1, "unique": true, "unitRef": "U001", "xsiNil": "false" } }, "R66": { "firstAnchor": { "ancestors": [ "div", "td", "tr", "table", "ix:continuation", "ix:continuation", "div", "body", "html" ], "baseRef": "brhc10027604_ex99-1.htm", "contextRef": "c20210101to20210630", "decimals": "0", "first": true, "lang": null, "name": "us-gaap:LaborAndRelatedExpense", "reportCount": 1, "unique": true, "unitRef": "U001", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "091200 - Disclosure - Vessel Operating and Voyage Expenses (Details)", "role": "http://castormaritime.com/role/VesselOperatingAndVoyageExpensesDetails", "shortName": "Vessel Operating and Voyage Expenses (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "div", "td", "tr", "table", "ix:continuation", "ix:continuation", "div", "body", "html" ], "baseRef": "brhc10027604_ex99-1.htm", "contextRef": "c20210101to20210630", "decimals": "0", "first": true, "lang": null, "name": "us-gaap:LaborAndRelatedExpense", "reportCount": 1, "unique": true, "unitRef": "U001", "xsiNil": "false" } }, "R67": { "firstAnchor": { "ancestors": [ "div", "td", "tr", "table", "ix:continuation", "ix:continuation", "div", "body", "html" ], "baseRef": "brhc10027604_ex99-1.htm", "contextRef": "c20210101to20210630", "decimals": "0", "first": true, "lang": null, "name": "ctrm:AuditFees", "reportCount": 1, "unique": true, "unitRef": "U001", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "091300 - Disclosure - General and Administrative Expenses (Details)", "role": "http://castormaritime.com/role/GeneralAndAdministrativeExpensesDetails", "shortName": "General and Administrative Expenses (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "div", "td", "tr", "table", "ix:continuation", "ix:continuation", "div", "body", "html" ], "baseRef": "brhc10027604_ex99-1.htm", "contextRef": "c20210101to20210630", "decimals": "0", "first": true, "lang": null, "name": "ctrm:AuditFees", "reportCount": 1, "unique": true, "unitRef": "U001", "xsiNil": "false" } }, "R68": { "firstAnchor": { "ancestors": [ "div", "td", "tr", "table", "ix:continuation", "ix:continuation", "div", "body", "html" ], "baseRef": "brhc10027604_ex99-1.htm", "contextRef": "c20210101to20210630", "decimals": "0", "first": true, "lang": null, "name": "us-gaap:InterestExpenseDebt", "reportCount": 1, "unique": true, "unitRef": "U001", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "091400 - Disclosure - Interest and Finance Costs (Details)", "role": "http://castormaritime.com/role/InterestAndFinanceCostsDetails", "shortName": "Interest and Finance Costs (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "div", "td", "tr", "table", "ix:continuation", "ix:continuation", "div", "body", "html" ], "baseRef": "brhc10027604_ex99-1.htm", "contextRef": "c20210101to20210630", "decimals": "0", "first": true, "lang": null, "name": "us-gaap:InterestExpenseDebt", "reportCount": 1, "unique": true, "unitRef": "U001", "xsiNil": "false" } }, "R69": { "firstAnchor": { "ancestors": [ "span", "div", "ix:continuation", "div", "div", "div", "div", "div", "body", "html" ], "baseRef": "brhc10027604_ex99-1.htm", "contextRef": "c20210723_SubsequentEventTypeAxis_SubsequentEventMember", "decimals": "INF", "first": true, "lang": null, "name": "ctrm:NumberOfShipOwningSubsidiariesEnteringIntoTermLoanFacility", "reportCount": 1, "unique": true, "unitRef": "U012", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "091502 - Disclosure - Subsequent Events (Details)", "role": "http://castormaritime.com/role/SubsequentEventsDetails", "shortName": "Subsequent Events (Details)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "div", "ix:continuation", "div", "div", "div", "div", "div", "body", "html" ], "baseRef": "brhc10027604_ex99-1.htm", "contextRef": "c20210723_SubsequentEventTypeAxis_SubsequentEventMember", "decimals": "INF", "first": true, "lang": null, "name": "ctrm:NumberOfShipOwningSubsidiariesEnteringIntoTermLoanFacility", "reportCount": 1, "unique": true, "unitRef": "U012", "xsiNil": "false" } }, "R7": { "firstAnchor": { "ancestors": [ "span", "td", "tr", "table", "div", "body", "html" ], "baseRef": "brhc10027604_ex99-1.htm", "contextRef": "c20200630_DebtInstrumentAxis_ConvertibleDebenturesMember", "decimals": "-5", "first": true, "lang": null, "name": "us-gaap:DebtInstrumentFaceAmount", "reportCount": 1, "unitRef": "U001", "xsiNil": "false" }, "groupType": "statement", "isDefault": "false", "longName": "030100 - Statement - UNAUDITED INTERIM CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY (Parenthetical)", "role": "http://castormaritime.com/role/UnauditedInterimConsolidatedStatementsOfShareholdersEquityParenthetical", "shortName": "UNAUDITED INTERIM CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY (Parenthetical)", "subGroupType": "parenthetical", "uniqueAnchor": null }, "R8": { "firstAnchor": { "ancestors": [ "us-gaap:ComprehensiveIncomeNetOfTax", "td", "tr", "table", "div", "body", "html" ], "baseRef": "brhc10027604_ex99-1.htm", "contextRef": "c20210101to20210630", "decimals": "0", "first": true, "lang": null, "name": "us-gaap:NetIncomeLoss", "reportCount": 1, "unitRef": "U001", "xsiNil": "false" }, "groupType": "statement", "isDefault": "false", "longName": "040000 - Statement - UNAUDITED INTERIM CONSOLIDATED STATEMENTS OF CASH FLOWS", "role": "http://castormaritime.com/role/UnauditedInterimConsolidatedStatementsOfCashFlows", "shortName": "UNAUDITED INTERIM CONSOLIDATED STATEMENTS OF CASH FLOWS", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "div", "td", "tr", "table", "div", "body", "html" ], "baseRef": "brhc10027604_ex99-1.htm", "contextRef": "c20210101to20210630", "decimals": "0", "lang": null, "name": "ctrm:DepreciationAndAmortizationOfDeferredDryDockingCosts", "reportCount": 1, "unique": true, "unitRef": "U001", "xsiNil": "false" } }, "R9": { "firstAnchor": { "ancestors": [ "span", "td", "tr", "table", "div", "body", "html" ], "baseRef": "brhc10027604_ex99-1.htm", "contextRef": "c20200630_DebtInstrumentAxis_ConvertibleDebenturesMember", "decimals": "-5", "first": true, "lang": null, "name": "us-gaap:DebtInstrumentFaceAmount", "reportCount": 1, "unitRef": "U001", "xsiNil": "false" }, "groupType": "statement", "isDefault": "false", "longName": "040100 - Statement - UNAUDITED INTERIM CONSOLIDATED STATEMENTS OF CASH FLOWS (Parenthetical)", "role": "http://castormaritime.com/role/UnauditedInterimConsolidatedStatementsOfCashFlowsParenthetical", "shortName": "UNAUDITED INTERIM CONSOLIDATED STATEMENTS OF CASH FLOWS (Parenthetical)", "subGroupType": "parenthetical", "uniqueAnchor": null } }, "segmentCount": 111, "tag": { "ctrm_AccruedInterestRelatedPartiesCurrent": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Amount of interest payable on debt due to related parties. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).", "label": "Accrued Interest, Related Parties, Current", "terseLabel": "Accrued interest to related party", "verboseLabel": "Accrued loan interest" } } }, "localname": "AccruedInterestRelatedPartiesCurrent", "nsuri": "http://castormaritime.com/20210630", "presentation": [ "http://castormaritime.com/role/TransactionsWithRelatedPartiesSummaryDetails", "http://castormaritime.com/role/UnauditedInterimConsolidatedBalanceSheetsParenthetical" ], "xbrltype": "monetaryItemType" }, "ctrm_AddressCommissions": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Address commissions represent discount (sales incentive) on services rendered by the Company and no identifiable benefit is received in exchange for the consideration provided to the charterer.", "label": "Address Commissions", "verboseLabel": "Commissions to charterers" } } }, "localname": "AddressCommissions", "nsuri": "http://castormaritime.com/20210630", "presentation": [ "http://castormaritime.com/role/UnauditedInterimCondensedConsolidatedStatementsOfComprehensiveIncomeLossParenthetical" ], "xbrltype": "monetaryItemType" }, "ctrm_AdvancesForVesselAcquisitions": { "auth_ref": [], "calculation": { "http://castormaritime.com/role/UnauditedInterimConsolidatedBalanceSheets": { "order": 2.0, "parentTag": "us-gaap_AssetsNoncurrent", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Advance amount related to vessel acquisitions.", "label": "Advances for vessel acquisitions", "periodEndLabel": "Closing Balance", "periodStartLabel": "Opening Balance" } } }, "localname": "AdvancesForVesselAcquisitions", "nsuri": "http://castormaritime.com/20210630", "presentation": [ "http://castormaritime.com/role/UnauditedInterimConsolidatedBalanceSheets", "http://castormaritime.com/role/VesselsNetAdvancesForVesselAcquisitionsAdvancesForVesselAcquisitionsDetails" ], "xbrltype": "monetaryItemType" }, "ctrm_AdvancesForVesselAcquisitionsAndOtherVesselPreDeliveryCosts": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount of advances for vessel acquisitions and other vessel pre-delivery costs", "label": "Advances for vessel acquisitions and other vessel pre-delivery costs" } } }, "localname": "AdvancesForVesselAcquisitionsAndOtherVesselPreDeliveryCosts", "nsuri": "http://castormaritime.com/20210630", "presentation": [ "http://castormaritime.com/role/VesselsNetAdvancesForVesselAcquisitionsAdvancesForVesselAcquisitionsDetails" ], "xbrltype": "monetaryItemType" }, "ctrm_AdvancesTransferToVesselsNet": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount of advances for vessel acquisitions and other vessel pre-delivery costs transfer to Vessels net during the period.", "label": "Advances Transfer to Vessels, Net", "verboseLabel": "Transfer to Vessels, net" } } }, "localname": "AdvancesTransferToVesselsNet", "nsuri": "http://castormaritime.com/20210630", "presentation": [ "http://castormaritime.com/role/VesselsNetAdvancesForVesselAcquisitionsAdvancesForVesselAcquisitionsDetails" ], "xbrltype": "monetaryItemType" }, "ctrm_AframaxLR2TankerBuiltIn2002Member": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "An Aframax, long range (LR2) tanker built in Korea in 2002 with a deadweight between 55,000-79,999 metric tonnes.", "label": "Aframax LR2 Tanker, Built in 2002 [Member]", "terseLabel": "2002 Korean-built Aframax/LR2 Tanker [Member]" } } }, "localname": "AframaxLR2TankerBuiltIn2002Member", "nsuri": "http://castormaritime.com/20210630", "presentation": [ "http://castormaritime.com/role/VesselsNetAdvancesForVesselAcquisitionsVesselAcquisitionsAndOtherCapitalExpendituresDetails" ], "xbrltype": "domainItemType" }, "ctrm_AframaxLR2TankerBuiltIn2004Member": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "An Aframax, long range (LR2) tanker built in Korea in 2004 with a deadweight between 55,000-79,999 metric tonnes.", "label": "Aframax LR2 Tanker, Built in 2004 [Member]", "terseLabel": "2004 Korean-built Aframax/LR2 Tanker [Member]" } } }, "localname": "AframaxLR2TankerBuiltIn2004Member", "nsuri": "http://castormaritime.com/20210630", "presentation": [ "http://castormaritime.com/role/VesselsNetAdvancesForVesselAcquisitionsVesselAcquisitionsAndOtherCapitalExpendituresDetails" ], "xbrltype": "domainItemType" }, "ctrm_AframaxLR2TankerBuiltIn2005Member": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "An Aframax, long range (LR2) tanker built in Korea in 2005 with a deadweight between 55,000-79,999 metric tonnes.", "label": "Aframax LR2 Tanker, Built in 2005 [Member]", "terseLabel": "2005 Korean-built Aframax LR2 Tanker [Member]" } } }, "localname": "AframaxLR2TankerBuiltIn2005Member", "nsuri": "http://castormaritime.com/20210630", "presentation": [ "http://castormaritime.com/role/VesselsNetAdvancesForVesselAcquisitionsVesselAcquisitionsAndOtherCapitalExpendituresDetails" ], "xbrltype": "domainItemType" }, "ctrm_AframaxLR2TankerMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "An Aframax, long range (LR2) tanker built in Korea with a deadweight between 55,000-79,999 metric tonnes.", "label": "Aframax LR2 Tanker [Member]", "terseLabel": "Aframax LR2 Tanker [Member]" } } }, "localname": "AframaxLR2TankerMember", "nsuri": "http://castormaritime.com/20210630", "presentation": [ "http://castormaritime.com/role/BasisOfPresentationAndGeneralInformationGeneralInformationDetails" ], "xbrltype": "domainItemType" }, "ctrm_AframaxMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "An oil tanker with a carrying capacity between 80,000 and 120,000 deadweight tonnage (DWT).", "label": "Aframax [Member]", "terseLabel": "Aframax [Member]" } } }, "localname": "AframaxMember", "nsuri": "http://castormaritime.com/20210630", "presentation": [ "http://castormaritime.com/role/BasisOfPresentationAndGeneralInformationGeneralInformationDetails" ], "xbrltype": "domainItemType" }, "ctrm_AlphaBankFinancingMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "A senior secured term loan with Alpha Bank S.A (\"the Alpha Bank Financing\").", "label": "Alpha Bank Financing [Member]", "verboseLabel": "$11.0 Million Term Loan Facility [Member]" } } }, "localname": "AlphaBankFinancingMember", "nsuri": "http://castormaritime.com/20210630", "presentation": [ "http://castormaritime.com/role/LongtermDebt110MillionTermLoanFacilityDetails", "http://castormaritime.com/role/LongtermDebtAnnualPrincipalPaymentsDetails", "http://castormaritime.com/role/LongtermDebtLongtermDebtIncludingRelatedPartyDebtDetails" ], "xbrltype": "domainItemType" }, "ctrm_AmortizationAndWriteOffOfConvertibleNotesBeneficialConversionFeature": { "auth_ref": [], "calculation": { "http://castormaritime.com/role/InterestAndFinanceCostsDetails": { "order": 4.0, "parentTag": "us-gaap_InterestExpense", "weight": 1.0 }, "http://castormaritime.com/role/UnauditedInterimConsolidatedStatementsOfCashFlows": { "order": 6.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The amount of amortization and write-off of beneficial conversion feature resulting from the recognition of convertible debt instruments as two separate components - a debt component and an equity component.", "label": "Amortization and Write-off of Convertible Notes Beneficial Conversion Feature", "terseLabel": "Amortization and write-off of convertible notes beneficial conversion feature", "verboseLabel": "Amortization and write-off of convertible notes beneficial conversion features" } } }, "localname": "AmortizationAndWriteOffOfConvertibleNotesBeneficialConversionFeature", "nsuri": "http://castormaritime.com/20210630", "presentation": [ "http://castormaritime.com/role/InterestAndFinanceCostsDetails", "http://castormaritime.com/role/UnauditedInterimConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "ctrm_AmortizationAndWriteOffOfDeferredDebtIssuanceCosts": { "auth_ref": [], "calculation": { "http://castormaritime.com/role/InterestAndFinanceCostsDetails": { "order": 3.0, "parentTag": "us-gaap_InterestExpense", "weight": 1.0 }, "http://castormaritime.com/role/UnauditedInterimConsolidatedStatementsOfCashFlows": { "order": 2.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount of amortization expense attributable to debt issuance costs and write-off of amounts previously capitalized as debt issuance cost in an extinguishment of debt.", "label": "Amortization and Write off of Deferred Debt Issuance Costs", "terseLabel": "Amortization and write-off of deferred finance charges" } } }, "localname": "AmortizationAndWriteOffOfDeferredDebtIssuanceCosts", "nsuri": "http://castormaritime.com/20210630", "presentation": [ "http://castormaritime.com/role/InterestAndFinanceCostsDetails", "http://castormaritime.com/role/UnauditedInterimConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "ctrm_AuditFees": { "auth_ref": [], "calculation": { "http://castormaritime.com/role/GeneralAndAdministrativeExpensesDetails": { "order": 0.0, "parentTag": "us-gaap_GeneralAndAdministrativeExpense", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount of fees paid to an independent registered public accounting firm for professional services rendered for the audit of the consolidated financial statements and any other audit services required for the SEC or other regulatory filings.", "label": "Audit fees", "terseLabel": "Audit fees" } } }, "localname": "AuditFees", "nsuri": "http://castormaritime.com/20210630", "presentation": [ "http://castormaritime.com/role/GeneralAndAdministrativeExpensesDetails" ], "xbrltype": "monetaryItemType" }, "ctrm_BWMSOnMagicVelaMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Consideration paid for already installed ballast water management system (\"BWMS\") on the Magic Vela upon completion of its acquisition.", "label": "BWMS on Magic Vela [Member]" } } }, "localname": "BWMSOnMagicVelaMember", "nsuri": "http://castormaritime.com/20210630", "presentation": [ "http://castormaritime.com/role/VesselsNetAdvancesForVesselAcquisitionsVesselAcquisitionsAndOtherCapitalExpendituresDetails" ], "xbrltype": "domainItemType" }, "ctrm_BagheeraShippingCoMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Wholly-owned subsidiary of the Company, incorporated in the Marshall Islands.", "label": "Bagheera Shipping Co. [Member]", "terseLabel": "Bagheera Shipping Co. [Member]" } } }, "localname": "BagheeraShippingCoMember", "nsuri": "http://castormaritime.com/20210630", "presentation": [ "http://castormaritime.com/role/BasisOfPresentationAndGeneralInformationVesselOwningSubsidiariesDetails" ], "xbrltype": "domainItemType" }, "ctrm_BasisOfPresentationAndOrganizationAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Basis of Presentation and Organization [Abstract]", "terseLabel": "Basis of Presentation [Abstract]" } } }, "localname": "BasisOfPresentationAndOrganizationAbstract", "nsuri": "http://castormaritime.com/20210630", "presentation": [ "http://castormaritime.com/role/BasisOfPresentationAndGeneralInformationGeneralInformationDetails" ], "xbrltype": "stringItemType" }, "ctrm_BistroMaritimeCoMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Wholly-owned subsidiary of the Company, incorporated in the Marshall Islands.", "label": "Bistro Maritime Co. [Member]", "terseLabel": "Bistro Maritime Co. [Member]" } } }, "localname": "BistroMaritimeCoMember", "nsuri": "http://castormaritime.com/20210630", "presentation": [ "http://castormaritime.com/role/BasisOfPresentationAndGeneralInformationVesselOwningSubsidiariesDetails" ], "xbrltype": "domainItemType" }, "ctrm_BrokerageCommissions": { "auth_ref": [], "calculation": { "http://castormaritime.com/role/VesselOperatingAndVoyageExpensesDetails": { "order": 0.0, "parentTag": "ctrm_VoyageExpenses", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Commissions paid to brokers for time-charter and voyage-charter arrangements.", "label": "Brokerage commissions", "terseLabel": "Brokerage commissions" } } }, "localname": "BrokerageCommissions", "nsuri": "http://castormaritime.com/20210630", "presentation": [ "http://castormaritime.com/role/VesselOperatingAndVoyageExpensesDetails" ], "xbrltype": "monetaryItemType" }, "ctrm_BrokerageCommissionsRelatedParty": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Commissions paid to related party for time-charter and voyage-charter arrangements.", "label": "Brokerage Commissions, Related Party", "terseLabel": "Brokerage commissions- related party" } } }, "localname": "BrokerageCommissionsRelatedParty", "nsuri": "http://castormaritime.com/20210630", "presentation": [ "http://castormaritime.com/role/VesselOperatingAndVoyageExpensesDetails" ], "xbrltype": "monetaryItemType" }, "ctrm_BunkersConsumption": { "auth_ref": [], "calculation": { "http://castormaritime.com/role/VesselOperatingAndVoyageExpensesDetails": { "order": 2.0, "parentTag": "ctrm_VoyageExpenses", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount of bunkers (or energy) consumption related to fuel stored on a ship and used as fuel for machinery operation.", "label": "Bunkers consumption" } } }, "localname": "BunkersConsumption", "nsuri": "http://castormaritime.com/20210630", "presentation": [ "http://castormaritime.com/role/VesselOperatingAndVoyageExpensesDetails" ], "xbrltype": "monetaryItemType" }, "ctrm_CapesizeVesselMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "A large-sized dry bulk vessel.", "label": "Capesize Vessel [Member]", "terseLabel": "Capesize [Member]" } } }, "localname": "CapesizeVesselMember", "nsuri": "http://castormaritime.com/20210630", "presentation": [ "http://castormaritime.com/role/BasisOfPresentationAndGeneralInformationGeneralInformationDetails" ], "xbrltype": "domainItemType" }, "ctrm_CapitalStockParOrStatedValuePerShare": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Face amount or stated value per share of capital shares, including preferred and common stock.", "label": "Capital Stock, Par or Stated Value Per Share", "verboseLabel": "Capital shares, par value (in dollars per share)" } } }, "localname": "CapitalStockParOrStatedValuePerShare", "nsuri": "http://castormaritime.com/20210630", "presentation": [ "http://castormaritime.com/role/EquityCapitalStructureCapitalStockDetails" ], "xbrltype": "perShareItemType" }, "ctrm_CapitalStockSharesAuthorized": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The maximum number of capital shares, including preferred and common stock, permitted to be issued by an entity's charter and bylaws.", "label": "Capital Stock, Shares Authorized", "terseLabel": "Capital shares, shares authorized (in shares)" } } }, "localname": "CapitalStockSharesAuthorized", "nsuri": "http://castormaritime.com/20210630", "presentation": [ "http://castormaritime.com/role/EquityCapitalStructureCapitalStockDetails" ], "xbrltype": "sharesItemType" }, "ctrm_CapitalizedContractCostAdditions": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount of additions to asset recognized from cost incurred to obtain or fulfill contract with customer.", "label": "Capitalized Contract Cost, Additions", "terseLabel": "Additions" } } }, "localname": "CapitalizedContractCostAdditions", "nsuri": "http://castormaritime.com/20210630", "presentation": [ "http://castormaritime.com/role/DeferredChargesNetDetails" ], "xbrltype": "monetaryItemType" }, "ctrm_CastorShipsSAMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "A company ultimately beneficially owned by the Company's Chairman, Chief Executive Officer and Chief Financial Officer.", "label": "Castor Ships S.A. [Member]", "terseLabel": "Castor Ships [Member]" } } }, "localname": "CastorShipsSAMember", "nsuri": "http://castormaritime.com/20210630", "presentation": [ "http://castormaritime.com/role/TransactionsWithRelatedPartiesCastorShipsDetails", "http://castormaritime.com/role/TransactionsWithRelatedPartiesSummaryDetails" ], "xbrltype": "domainItemType" }, "ctrm_CinderellaShippingCoMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Wholly-owned subsidiary of the Company, incorporated in the Marshall Islands.", "label": "Cinderella Shipping Co. [Member]", "terseLabel": "Cinderella Shipping Co. [Member]" } } }, "localname": "CinderellaShippingCoMember", "nsuri": "http://castormaritime.com/20210630", "presentation": [ "http://castormaritime.com/role/BasisOfPresentationAndGeneralInformationVesselOwningSubsidiariesDetails" ], "xbrltype": "domainItemType" }, "ctrm_ClassAWarrantMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Class A security that gives the holder the right to purchase one share of common stock in accordance with the terms of the instrument, usually upon payment of a specified amount.", "label": "Class A Warrant [Member]", "verboseLabel": "Class A Warrants [Member]" } } }, "localname": "ClassAWarrantMember", "nsuri": "http://castormaritime.com/20210630", "presentation": [ "http://castormaritime.com/role/EquityCapitalStructureIssuanceOfCommonStockInConnectionWithClassWarrantsAndJuly2020EquityOfferingWarrantsDetails" ], "xbrltype": "domainItemType" }, "ctrm_ClassOfWarrantOrRightExercised": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Number of warrants or rights exercised during the period.", "label": "Class of Warrant or Right, Exercised", "terseLabel": "Warrants exercised (in shares)" } } }, "localname": "ClassOfWarrantOrRightExercised", "nsuri": "http://castormaritime.com/20210630", "presentation": [ "http://castormaritime.com/role/EquityCapitalStructure2021ThirdRegisteredDirectEquityOfferingDetails" ], "xbrltype": "sharesItemType" }, "ctrm_ColossusShippingCoMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Wholly-owned subsidiary of the Company, incorporated in the Marshall Islands.", "label": "Colossus Shipping Co. [Member]", "terseLabel": "Colossus Shipping Co. [Member]" } } }, "localname": "ColossusShippingCoMember", "nsuri": "http://castormaritime.com/20210630", "presentation": [ "http://castormaritime.com/role/BasisOfPresentationAndGeneralInformationVesselOwningSubsidiariesDetails" ], "xbrltype": "domainItemType" }, "ctrm_CommercialManagementServicesMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Commercial management services provided to the Company.", "label": "Commercial Management Services [Member]", "terseLabel": "Commercial Management Services [Member]" } } }, "localname": "CommercialManagementServicesMember", "nsuri": "http://castormaritime.com/20210630", "presentation": [ "http://castormaritime.com/role/TransactionsWithRelatedPartiesSummaryDetails" ], "xbrltype": "domainItemType" }, "ctrm_CommercialShipmanagementAgreementsMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Under the Commercial Shipmanagement Agreements, Castor Ships manages overall the Company's business and provides commercial, chartering and administrative services, including, but not limited to, securing employment for the Company's fleet, arranging and supervising the vessels' commercial operations, handling all the Company's vessel sale and purchase transactions, undertaking related shipping project and management advisory and support services, as well as other associated services requested from time to time by the Company and its shipowning subsidiaries.", "label": "Commercial Shipmanagement Agreements [Member]", "terseLabel": "Commercial Shipmanagement Agreements [Member]" } } }, "localname": "CommercialShipmanagementAgreementsMember", "nsuri": "http://castormaritime.com/20210630", "presentation": [ "http://castormaritime.com/role/TransactionsWithRelatedPartiesCastorShipsDetails" ], "xbrltype": "domainItemType" }, "ctrm_CommonStockThatCanBeSoldTerm": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The period of time that the Company can sell shares from under an at-the-market (ATM) continuous equity offering program in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.", "label": "Common Stock that Can be Sold, Term", "terseLabel": "Term common stock can be sold under ATM" } } }, "localname": "CommonStockThatCanBeSoldTerm", "nsuri": "http://castormaritime.com/20210630", "presentation": [ "http://castormaritime.com/role/EquityCapitalStructureAtthemarketCommonStockOfferingDetails" ], "xbrltype": "durationItemType" }, "ctrm_CommonStockThatCanBeSoldValue": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The value of common stock that can be issued and sold from time to time under an at-the-market (ATM) continuous equity offering program.", "label": "Common Stock that Can be Sold, Value", "terseLabel": "Common stock that can be sold under ATM" } } }, "localname": "CommonStockThatCanBeSoldValue", "nsuri": "http://castormaritime.com/20210630", "presentation": [ "http://castormaritime.com/role/EquityCapitalStructureAtthemarketCommonStockOfferingDetails" ], "xbrltype": "monetaryItemType" }, "ctrm_ContractWithCustomerLiabilityAmortizationOfDeferredRevenue": { "auth_ref": [], "calculation": { "http://castormaritime.com/role/UnauditedInterimConsolidatedStatementsOfCashFlows": { "order": 4.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Amount of revenue recognized that was previously included in balance of obligation to transfer good or service to customer for which consideration from customer has been received or is due.", "label": "Contract with Customer, Liability, Amortization of Deferred Revenue", "negatedLabel": "Deferred revenue amortization" } } }, "localname": "ContractWithCustomerLiabilityAmortizationOfDeferredRevenue", "nsuri": "http://castormaritime.com/20210630", "presentation": [ "http://castormaritime.com/role/UnauditedInterimConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "ctrm_ConvertibleDebenturesMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Three unsecured convertible debentures issued and sold to an institutional investor under a securities purchase agreement (collectively, the $5.0 Million Convertible Debentures).", "label": "Convertible Debentures [Member]", "terseLabel": "$5.0 Million Convertible Debentures [Member]" } } }, "localname": "ConvertibleDebenturesMember", "nsuri": "http://castormaritime.com/20210630", "presentation": [ "http://castormaritime.com/role/UnauditedInterimConsolidatedStatementsOfCashFlowsParenthetical", "http://castormaritime.com/role/UnauditedInterimConsolidatedStatementsOfShareholdersEquityParenthetical" ], "xbrltype": "domainItemType" }, "ctrm_DateOfDelivery": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Date the vessel was delivered to the entity.", "label": "Date of Delivery", "terseLabel": "Delivery date to Castor" } } }, "localname": "DateOfDelivery", "nsuri": "http://castormaritime.com/20210630", "presentation": [ "http://castormaritime.com/role/BasisOfPresentationAndGeneralInformationVesselOwningSubsidiariesDetails" ], "xbrltype": "gYearMonthItemType" }, "ctrm_DeadWeightTonnage": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Deadweight tonnage (DWT) is a measure of vessels capacity in weight, and does not include the weight of the vessel.", "label": "Dead Weight Tonnage", "terseLabel": "Combined carrying capacity", "verboseLabel": "DWT" } } }, "localname": "DeadWeightTonnage", "nsuri": "http://castormaritime.com/20210630", "presentation": [ "http://castormaritime.com/role/BasisOfPresentationAndGeneralInformationGeneralInformationDetails", "http://castormaritime.com/role/BasisOfPresentationAndGeneralInformationVesselOwningSubsidiariesDetails" ], "xbrltype": "massItemType" }, "ctrm_DebtInstrumentNumberOfPaymentInstallments": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The number of periodic payment installments in which the debt is to be repaid.", "label": "Debt Instrument, Number of Payment Installments", "terseLabel": "Number of payment installments" } } }, "localname": "DebtInstrumentNumberOfPaymentInstallments", "nsuri": "http://castormaritime.com/20210630", "presentation": [ "http://castormaritime.com/role/LongtermDebt153MillionTermLoanFacilityDetails", "http://castormaritime.com/role/LongtermDebt180MillionTermLoanFacilityDetails" ], "xbrltype": "integerItemType" }, "ctrm_DepreciationAndAmortizationOfDeferredDryDockingCosts": { "auth_ref": [], "calculation": { "http://castormaritime.com/role/UnauditedInterimConsolidatedStatementsOfCashFlows": { "order": 1.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The aggregate amount of vessels' depreciation and amortization of deferred dry-docking costs.", "label": "Depreciation and Amortization of Deferred Dry-Docking Costs", "verboseLabel": "Vessels' depreciation and amortization of deferred dry-docking costs" } } }, "localname": "DepreciationAndAmortizationOfDeferredDryDockingCosts", "nsuri": "http://castormaritime.com/20210630", "presentation": [ "http://castormaritime.com/role/UnauditedInterimConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "ctrm_DryBulkCarrierMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "A vessel designed to carry dry cargoes in bulk.", "label": "Dry Bulk Carrier [Member]", "terseLabel": "Dry Bulk Carriers [Member]", "verboseLabel": "Dry Bulk Vessels [Member]" } } }, "localname": "DryBulkCarrierMember", "nsuri": "http://castormaritime.com/20210630", "presentation": [ "http://castormaritime.com/role/TransactionsWithRelatedPartiesPavimarDetails", "http://castormaritime.com/role/VesselsNetAdvancesForVesselAcquisitionsVesselAcquisitionsAndOtherCapitalExpendituresDetails" ], "xbrltype": "domainItemType" }, "ctrm_DryDockingReserveAccounts": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The carrying amount of the dry-docking reserve account required to be maintained by the borrower under the loan agreement.", "label": "Dry-docking Reserve Accounts", "terseLabel": "Dry-dock reserve accounts" } } }, "localname": "DryDockingReserveAccounts", "nsuri": "http://castormaritime.com/20210630", "presentation": [ "http://castormaritime.com/role/LongtermDebtAnnualPrincipalPaymentsDetails" ], "xbrltype": "monetaryItemType" }, "ctrm_ElektraShippingCoMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Wholly-owned subsidiary of the Company, incorporated in the Marshall Islands.", "label": "Elektra Shipping Co. [Member]", "terseLabel": "Elektra Shipping Co. [Member]" } } }, "localname": "ElektraShippingCoMember", "nsuri": "http://castormaritime.com/20210630", "presentation": [ "http://castormaritime.com/role/BasisOfPresentationAndGeneralInformationVesselOwningSubsidiariesDetails" ], "xbrltype": "domainItemType" }, "ctrm_EnBlocAcquisitionMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "An en bloc acquisition of a tanker fleet comprising of two 2006 Korean-built MR1 tankers, two 2004 Korean-built Aframax/LR2 tankers and one 2002 Korean-built Aframax/LR2 tanker", "label": "En Bloc Acquisition [Member]" } } }, "localname": "EnBlocAcquisitionMember", "nsuri": "http://castormaritime.com/20210630", "presentation": [ "http://castormaritime.com/role/VesselsNetAdvancesForVesselAcquisitionsVesselAcquisitionsAndOtherCapitalExpendituresDetails" ], "xbrltype": "domainItemType" }, "ctrm_FirstPrivatePlacementWarrants2021Member": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The 2021 First Private Placement Warrants issued in the 2021 First Registered Direct Equity Offering and he Company that gives the holder the right to purchase one share of common stock in accordance with the terms of the instrument, usually upon payment of a specified amount.", "label": "First Private Placement Warrants 2021 [Member]", "terseLabel": "2021 First Private Placement Warrants [Member]" } } }, "localname": "FirstPrivatePlacementWarrants2021Member", "nsuri": "http://castormaritime.com/20210630", "presentation": [ "http://castormaritime.com/role/EquityCapitalStructure2021FirstRegisteredDirectEquityOfferingDetails" ], "xbrltype": "domainItemType" }, "ctrm_FirstRegisteredDirectEquityOffering2021Member": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "On December 30, 2020, the Company entered into agreements with certain unaffiliated institutional investors pursuant to which it offered and sold 9,475,000 common shares and warrants to purchase up to 9,475,000 common shares (the \"2021 First Private Placement Warrants\") in a registered direct offering or the 2021 First Registered Direct Equity Offering. In connection with the 2021 First Registered Direct Equity Offering.", "label": "First Registered Direct Equity Offering 2021 [Member]", "terseLabel": "2021 First Registered Direct Equity Offering [Member]" } } }, "localname": "FirstRegisteredDirectEquityOffering2021Member", "nsuri": "http://castormaritime.com/20210630", "presentation": [ "http://castormaritime.com/role/EquityCapitalStructure2021FirstRegisteredDirectEquityOfferingDetails" ], "xbrltype": "domainItemType" }, "ctrm_GamoraShippingCoMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Wholly-owned subsidiary of the Company, incorporated in the Marshall Islands.", "label": "Gamora Shipping Co. [Member]", "terseLabel": "Gamora Shipping Co. [Member]" } } }, "localname": "GamoraShippingCoMember", "nsuri": "http://castormaritime.com/20210630", "presentation": [ "http://castormaritime.com/role/BasisOfPresentationAndGeneralInformationVesselOwningSubsidiariesDetails" ], "xbrltype": "domainItemType" }, "ctrm_GeneralAndAdministrativeExpensesTableTextBlock": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Tabular disclosure of general and administrative expenses related to company administration.", "label": "General and Administrative Expenses [Table Text Block]", "terseLabel": "Company Administration Expenses" } } }, "localname": "GeneralAndAdministrativeExpensesTableTextBlock", "nsuri": "http://castormaritime.com/20210630", "presentation": [ "http://castormaritime.com/role/GeneralAndAdministrativeExpensesTables" ], "xbrltype": "textBlockItemType" }, "ctrm_GeneralAndAdministrativeExpensesTextBlock": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The entire disclosure for general and administrative expenses.", "label": "General and Administrative Expenses [Text Block]", "terseLabel": "General and Administrative Expenses" } } }, "localname": "GeneralAndAdministrativeExpensesTextBlock", "nsuri": "http://castormaritime.com/20210630", "presentation": [ "http://castormaritime.com/role/GeneralAndAdministrativeExpenses" ], "xbrltype": "textBlockItemType" }, "ctrm_HamburgFacilityMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "A senior secured post-delivery term loan facility with Hamburg Commercial AG.", "label": "Hamburg Facility [Member]", "verboseLabel": "$40.75 Million Hamburg Facility [Member]" } } }, "localname": "HamburgFacilityMember", "nsuri": "http://castormaritime.com/20210630", "presentation": [ "http://castormaritime.com/role/SubsequentEventsDetails" ], "xbrltype": "domainItemType" }, "ctrm_HawkeyeShippingCoMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Wholly-owned subsidiary of the Company, incorporated in the Marshall Islands.", "label": "Hawkeye Shipping Co. [Member]", "terseLabel": "Hawkeye Shipping Co. [Member]" } } }, "localname": "HawkeyeShippingCoMember", "nsuri": "http://castormaritime.com/20210630", "presentation": [ "http://castormaritime.com/role/BasisOfPresentationAndGeneralInformationVesselOwningSubsidiariesDetails" ], "xbrltype": "domainItemType" }, "ctrm_IncreaseDecreaseInOtherDeferredCharges": { "auth_ref": [], "calculation": { "http://castormaritime.com/role/UnauditedInterimConsolidatedStatementsOfCashFlows": { "order": 12.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The increase (decrease) during the reporting period in the value of other 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.", "label": "Increase (Decrease ) in Other Deferred Charges", "negatedLabel": "Other deferred charges" } } }, "localname": "IncreaseDecreaseInOtherDeferredCharges", "nsuri": "http://castormaritime.com/20210630", "presentation": [ "http://castormaritime.com/role/UnauditedInterimConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "ctrm_July2020EquityOfferingMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "On July 12, 2020, the Company entered into agreements with certain unaffiliated institutional investors pursuant to which it offered 57,750,000 common shares in a registered offering (the \"July Equity Offering\").", "label": "July 2020 Equity Offering [Member]", "terseLabel": "July 2020 Equity Offering [Member]" } } }, "localname": "July2020EquityOfferingMember", "nsuri": "http://castormaritime.com/20210630", "presentation": [ "http://castormaritime.com/role/EquityCapitalStructureIssuanceOfCommonStockInConnectionWithClassWarrantsAndJuly2020EquityOfferingWarrantsDetails" ], "xbrltype": "domainItemType" }, "ctrm_JumaruShippingCoMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Wholly-owned subsidiary of the Company, incorporated in the Marshall Islands.", "label": "Jumaru Shipping Co. [Member]", "terseLabel": "Jumaru Shipping Co. [Member]" } } }, "localname": "JumaruShippingCoMember", "nsuri": "http://castormaritime.com/20210630", "presentation": [ "http://castormaritime.com/role/BasisOfPresentationAndGeneralInformationVesselOwningSubsidiariesDetails" ], "xbrltype": "domainItemType" }, "ctrm_June2020EquityOfferingMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "On June 23, 2020, the Company entered into an agreement with Maxim Group LLC, or Maxim, acting as underwriter pursuant to which it offered and sold 59,110,000 units, each unit consisting of (i) one common share or a pre-funded warrant to purchase one common share at an exercise price equal to $0.01 per common share (a \"Pre-Funded Warrant\"), and (ii) one Class A Warrant to purchase one common share (a \"Class A Warrant\"), for $0.35 per unit (or $0.34 per unit including a pre-funded warrant), or the June Equity Offering.", "label": "June 2020 Equity Offering [Member]", "terseLabel": "June 2020 quity Offering [Member]" } } }, "localname": "June2020EquityOfferingMember", "nsuri": "http://castormaritime.com/20210630", "presentation": [ "http://castormaritime.com/role/EquityCapitalStructureIssuanceOfCommonStockInConnectionWithClassWarrantsAndJuly2020EquityOfferingWarrantsDetails" ], "xbrltype": "domainItemType" }, "ctrm_KabamaruShippingCoMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Wholly-owned subsidiary of the Company, incorporated in the Marshall Islands.", "label": "Kabamaru Shipping Co. [Member]", "terseLabel": "Kabamaru Shipping Co. [Member]" } } }, "localname": "KabamaruShippingCoMember", "nsuri": "http://castormaritime.com/20210630", "presentation": [ "http://castormaritime.com/role/BasisOfPresentationAndGeneralInformationVesselOwningSubsidiariesDetails" ], "xbrltype": "domainItemType" }, "ctrm_KamsarmaxVesselMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "A medium-sized vessel with a carrying capacity between 80,000 and 85,000 deadweight tonnage (DWT).", "label": "Kamsarmax Vessel [Member]", "terseLabel": "Kamsarmax [Member]" } } }, "localname": "KamsarmaxVesselMember", "nsuri": "http://castormaritime.com/20210630", "presentation": [ "http://castormaritime.com/role/BasisOfPresentationAndGeneralInformationGeneralInformationDetails" ], "xbrltype": "domainItemType" }, "ctrm_LionoShippingCoMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Wholly-owned subsidiary of the Company, incorporated in the Marshall Islands.", "label": "Liono Shipping Co. [Member]", "terseLabel": "Liono Shipping Co. [Member]" } } }, "localname": "LionoShippingCoMember", "nsuri": "http://castormaritime.com/20210630", "presentation": [ "http://castormaritime.com/role/BasisOfPresentationAndGeneralInformationVesselOwningSubsidiariesDetails" ], "xbrltype": "domainItemType" }, "ctrm_LongTermDebtGrossCurrent": { "auth_ref": [], "calculation": { "http://castormaritime.com/role/LongtermDebtLongtermDebtIncludingRelatedPartyDebtDetails": { "order": 1.0, "parentTag": "us-gaap_SecuredDebtCurrent", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt classified as current.", "label": "Long-term Debt, Gross, Current", "terseLabel": "Current portion of long-term debt" } } }, "localname": "LongTermDebtGrossCurrent", "nsuri": "http://castormaritime.com/20210630", "presentation": [ "http://castormaritime.com/role/LongtermDebtLongtermDebtIncludingRelatedPartyDebtDetails" ], "xbrltype": "monetaryItemType" }, "ctrm_LongTermDebtGrossNoncurrent": { "auth_ref": [], "calculation": { "http://castormaritime.com/role/LongtermDebtLongtermDebtIncludingRelatedPartyDebtDetails": { "order": 1.0, "parentTag": "us-gaap_SecuredLongTermDebt", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt classified as noncurrent.", "label": "Long-term Debt, Gross, Noncurrent", "terseLabel": "Non-Current portion of long-term debt" } } }, "localname": "LongTermDebtGrossNoncurrent", "nsuri": "http://castormaritime.com/20210630", "presentation": [ "http://castormaritime.com/role/LongtermDebtLongtermDebtIncludingRelatedPartyDebtDetails" ], "xbrltype": "monetaryItemType" }, "ctrm_LossGainOnBunkerFuel": { "auth_ref": [], "calculation": { "http://castormaritime.com/role/VesselOperatingAndVoyageExpensesDetails": { "order": 3.0, "parentTag": "ctrm_VoyageExpenses", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The amount of loss (gain) on bunker fuel during the period. The gain or loss is the difference between the cost of bunker fuel delivered by the terminating charterer and the bunker fuel sold to the new charterer.", "label": "Loss (Gain) on Bunker Fuel", "terseLabel": "Loss/(Gain) on bunkers" } } }, "localname": "LossGainOnBunkerFuel", "nsuri": "http://castormaritime.com/20210630", "presentation": [ "http://castormaritime.com/role/VesselOperatingAndVoyageExpensesDetails" ], "xbrltype": "monetaryItemType" }, "ctrm_LubricantExpenses": { "auth_ref": [], "calculation": { "http://castormaritime.com/role/VesselOperatingAndVoyageExpensesDetails": { "order": 3.0, "parentTag": "us-gaap_OperatingCostsAndExpenses", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount of operating expense for lubricants.", "label": "Lubricant Expenses", "terseLabel": "Lubricants" } } }, "localname": "LubricantExpenses", "nsuri": "http://castormaritime.com/20210630", "presentation": [ "http://castormaritime.com/role/VesselOperatingAndVoyageExpensesDetails" ], "xbrltype": "monetaryItemType" }, "ctrm_LuffyShippingCoMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Wholly-owned subsidiary of the Company, incorporated in the Marshall Islands.", "label": "Luffy Shipping Co. [Member]", "terseLabel": "Luffy Shipping Co. [Member]" } } }, "localname": "LuffyShippingCoMember", "nsuri": "http://castormaritime.com/20210630", "presentation": [ "http://castormaritime.com/role/BasisOfPresentationAndGeneralInformationVesselOwningSubsidiariesDetails" ], "xbrltype": "domainItemType" }, "ctrm_MR1Member": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "A tanker is a ship designed to transport or store liquids or gases in bulk.", "label": "MR1 [Member]", "terseLabel": "Handysize/MR1 [Member]" } } }, "localname": "MR1Member", "nsuri": "http://castormaritime.com/20210630", "presentation": [ "http://castormaritime.com/role/BasisOfPresentationAndGeneralInformationGeneralInformationDetails" ], "xbrltype": "domainItemType" }, "ctrm_MR1TankerBuiltIn2006Member": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "A medium range (MR1) tanker built in Korea in 2006 with a capacity between 35,000-44,999 deadweight tonnage (DWT).", "label": "MR1 Tanker, Built in 2006 [Member]", "terseLabel": "2006 Korean-built MR1 Tanker [Member]" } } }, "localname": "MR1TankerBuiltIn2006Member", "nsuri": "http://castormaritime.com/20210630", "presentation": [ "http://castormaritime.com/role/VesselsNetAdvancesForVesselAcquisitionsVesselAcquisitionsAndOtherCapitalExpendituresDetails" ], "xbrltype": "domainItemType" }, "ctrm_MagicArgoMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "A secondhand 2009 Japanese-built Kamsarmax dry bulk carrier.", "label": "Magic Argo [Member]", "terseLabel": "Magic Argo [Member]", "verboseLabel": "M/V Magic Argo [Member]" } } }, "localname": "MagicArgoMember", "nsuri": "http://castormaritime.com/20210630", "presentation": [ "http://castormaritime.com/role/BasisOfPresentationAndGeneralInformationVesselOwningSubsidiariesDetails", "http://castormaritime.com/role/VesselsNetAdvancesForVesselAcquisitionsVesselAcquisitionsAndOtherCapitalExpendituresDetails" ], "xbrltype": "domainItemType" }, "ctrm_MagicEclipseMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Vessel with a carrying capacity of 74,940 dwt.", "label": "Magic Eclipse [Member]", "terseLabel": "Magic Eclipse [Member]", "verboseLabel": "M/V Magic Eclipse [Member]" } } }, "localname": "MagicEclipseMember", "nsuri": "http://castormaritime.com/20210630", "presentation": [ "http://castormaritime.com/role/BasisOfPresentationAndGeneralInformationVesselOwningSubsidiariesDetails", "http://castormaritime.com/role/VesselsNetAdvancesForVesselAcquisitionsVesselAcquisitionsAndOtherCapitalExpendituresDetails" ], "xbrltype": "domainItemType" }, "ctrm_MagicHorizonMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Vessel with a carrying capacity of 76,619 dwt.", "label": "Magic Horizon [Member]", "verboseLabel": "M/V Magic Horizon [Member]" } } }, "localname": "MagicHorizonMember", "nsuri": "http://castormaritime.com/20210630", "presentation": [ "http://castormaritime.com/role/BasisOfPresentationAndGeneralInformationVesselOwningSubsidiariesDetails" ], "xbrltype": "domainItemType" }, "ctrm_MagicMoonMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Vessel with a carrying capacity of 76,602 dwt.", "label": "Magic Moon [Member]", "verboseLabel": "M/V Magic Moon [Member]" } } }, "localname": "MagicMoonMember", "nsuri": "http://castormaritime.com/20210630", "presentation": [ "http://castormaritime.com/role/BasisOfPresentationAndGeneralInformationVesselOwningSubsidiariesDetails" ], "xbrltype": "domainItemType" }, "ctrm_MagicNebulaMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Vessel with a carrying capacity of 80,281 dwt.", "label": "Magic Nebula [Member]", "terseLabel": "Magic Nebula [Member]", "verboseLabel": "M/V Magic Nebula [Member]" } } }, "localname": "MagicNebulaMember", "nsuri": "http://castormaritime.com/20210630", "presentation": [ "http://castormaritime.com/role/BasisOfPresentationAndGeneralInformationVesselOwningSubsidiariesDetails", "http://castormaritime.com/role/VesselsNetAdvancesForVesselAcquisitionsVesselAcquisitionsAndOtherCapitalExpendituresDetails" ], "xbrltype": "domainItemType" }, "ctrm_MagicNovaMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Vessel with a carrying capacity of 78,833 dwt.", "label": "Magic Nova [Member]", "verboseLabel": "M/V Magic Nova [Member]" } } }, "localname": "MagicNovaMember", "nsuri": "http://castormaritime.com/20210630", "presentation": [ "http://castormaritime.com/role/BasisOfPresentationAndGeneralInformationVesselOwningSubsidiariesDetails" ], "xbrltype": "domainItemType" }, "ctrm_MagicOrionMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "A secondhand 2006 Japanese-built Capesize dry bulk carrier.", "label": "Magic Orion [Member]", "terseLabel": "Magic Orion [Member]", "verboseLabel": "M/V Magic Orion [Member]" } } }, "localname": "MagicOrionMember", "nsuri": "http://castormaritime.com/20210630", "presentation": [ "http://castormaritime.com/role/BasisOfPresentationAndGeneralInformationVesselOwningSubsidiariesDetails", "http://castormaritime.com/role/VesselsNetAdvancesForVesselAcquisitionsVesselAcquisitionsAndOtherCapitalExpendituresDetails" ], "xbrltype": "domainItemType" }, "ctrm_MagicPMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Panamax vessel with a carrying capacity of 76,453 dwt.", "label": "Magic P [Member]", "verboseLabel": "M/V Magic P [Member]" } } }, "localname": "MagicPMember", "nsuri": "http://castormaritime.com/20210630", "presentation": [ "http://castormaritime.com/role/BasisOfPresentationAndGeneralInformationVesselOwningSubsidiariesDetails" ], "xbrltype": "domainItemType" }, "ctrm_MagicRainbowMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Vessel with a carrying capacity of 73,593 dwt.", "label": "Magic Rainbow [Member]", "verboseLabel": "M/V Magic Rainbow [Member]" } } }, "localname": "MagicRainbowMember", "nsuri": "http://castormaritime.com/20210630", "presentation": [ "http://castormaritime.com/role/BasisOfPresentationAndGeneralInformationVesselOwningSubsidiariesDetails" ], "xbrltype": "domainItemType" }, "ctrm_MagicStarlightMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Vessel with a carrying capacity of 81,048 dwt.", "label": "Magic Starlight [Member]", "terseLabel": "Magic Starlight [Member]", "verboseLabel": "M/V Magic Starlight [Member]" } } }, "localname": "MagicStarlightMember", "nsuri": "http://castormaritime.com/20210630", "presentation": [ "http://castormaritime.com/role/BasisOfPresentationAndGeneralInformationVesselOwningSubsidiariesDetails", "http://castormaritime.com/role/VesselsNetAdvancesForVesselAcquisitionsVesselAcquisitionsAndOtherCapitalExpendituresDetails" ], "xbrltype": "domainItemType" }, "ctrm_MagicSunMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Vessel with a carrying capacity of 75,311 dwt.", "label": "Magic Sun [Member]", "verboseLabel": "M/V Magic Sun [Member]" } } }, "localname": "MagicSunMember", "nsuri": "http://castormaritime.com/20210630", "presentation": [ "http://castormaritime.com/role/BasisOfPresentationAndGeneralInformationVesselOwningSubsidiariesDetails" ], "xbrltype": "domainItemType" }, "ctrm_MagicThunderMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Vessel with a carrying capacity of 83,375 dwt.", "label": "Magic Thunder [Member]", "terseLabel": "Magic Thunder [Member]", "verboseLabel": "M/V Magic Thunder [Member]" } } }, "localname": "MagicThunderMember", "nsuri": "http://castormaritime.com/20210630", "presentation": [ "http://castormaritime.com/role/BasisOfPresentationAndGeneralInformationVesselOwningSubsidiariesDetails", "http://castormaritime.com/role/VesselsNetAdvancesForVesselAcquisitionsVesselAcquisitionsAndOtherCapitalExpendituresDetails" ], "xbrltype": "domainItemType" }, "ctrm_MagicTwilightMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Vessel with a carrying capacity of 80,283 dwt.", "label": "Magic Twilight [Member]", "terseLabel": "Magic Twilight [Member]", "verboseLabel": "M/V Magic Twilight [Member]" } } }, "localname": "MagicTwilightMember", "nsuri": "http://castormaritime.com/20210630", "presentation": [ "http://castormaritime.com/role/BasisOfPresentationAndGeneralInformationVesselOwningSubsidiariesDetails", "http://castormaritime.com/role/VesselsNetAdvancesForVesselAcquisitionsVesselAcquisitionsAndOtherCapitalExpendituresDetails" ], "xbrltype": "domainItemType" }, "ctrm_MagicVelaMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Vessel with a carrying capacity of 75,003 dwt.", "label": "Magic Vela [Member]", "terseLabel": "Magic Vela [Member]", "verboseLabel": "M/V Magic Vela [Member]" } } }, "localname": "MagicVelaMember", "nsuri": "http://castormaritime.com/20210630", "presentation": [ "http://castormaritime.com/role/BasisOfPresentationAndGeneralInformationVesselOwningSubsidiariesDetails", "http://castormaritime.com/role/VesselsNetAdvancesForVesselAcquisitionsVesselAcquisitionsAndOtherCapitalExpendituresDetails" ], "xbrltype": "domainItemType" }, "ctrm_MagicVenusMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "A secondhand 2010 Japanese-built Kamsarmax dry bulk carrier.", "label": "Magic Venus [Member]", "terseLabel": "Magic Venus [Member]", "verboseLabel": "M/V Magic Venus [Member]" } } }, "localname": "MagicVenusMember", "nsuri": "http://castormaritime.com/20210630", "presentation": [ "http://castormaritime.com/role/BasisOfPresentationAndGeneralInformationVesselOwningSubsidiariesDetails", "http://castormaritime.com/role/VesselsNetAdvancesForVesselAcquisitionsVesselAcquisitionsAndOtherCapitalExpendituresDetails" ], "xbrltype": "domainItemType" }, "ctrm_ManagementAgreementsMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "On September 1, 2020, the Company and its shipowning subsidiaries entered into a master management agreement (the \"Master Agreement\") with Castor Ships S.A. (\"Castor Ships\"), a company ultimately beneficially owned by the Company's Chairman, Chief Executive Officer and Chief Financial Officer. Pursuant to the terms of the Master Agreement each of the Company's shipowning subsidiaries also entered into separate commercial shipmanagement agreements with Castor Ships (the \"Commercial Shipmanagement Agreements\" and together with the Master Agreement, the \"Castor Ships Management Agreements\"). Under the terms of the Castor Ships Management Agreements, having all September 1, 2020 as their effective date, Castor Ships manages overall the Company's business and provides commercial, chartering and administrative services, including, but not limited to, securing employment for the Company's fleet, arranging and supervising the vessels' commercial operations, handling all the Company's vessel sale and purchase transactions, undertaking related shipping project and management advisory and support services, as well as other associated services requested from time to time by the Company and its shipowning subsidiaries.", "label": "Management Agreements [Member]", "terseLabel": "Management Agreements [Member]" } } }, "localname": "ManagementAgreementsMember", "nsuri": "http://castormaritime.com/20210630", "presentation": [ "http://castormaritime.com/role/TransactionsWithRelatedPartiesCastorShipsDetails" ], "xbrltype": "domainItemType" }, "ctrm_ManagementFeesDueToRelatedParty": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Amount for management fees payable to related parties.", "label": "Management Fees Due to Related Party", "terseLabel": "Management fees due" } } }, "localname": "ManagementFeesDueToRelatedParty", "nsuri": "http://castormaritime.com/20210630", "presentation": [ "http://castormaritime.com/role/TransactionsWithRelatedPartiesSummaryDetails" ], "xbrltype": "monetaryItemType" }, "ctrm_ManagementFeesToRelatedPartyMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Primary financial statement caption encompassing management fees to related party.", "label": "Management Fees to Related Party [Member]", "terseLabel": "Management Fees to Related Party [Member]" } } }, "localname": "ManagementFeesToRelatedPartyMember", "nsuri": "http://castormaritime.com/20210630", "presentation": [ "http://castormaritime.com/role/TransactionsWithRelatedPartiesCastorShipsDetails" ], "xbrltype": "domainItemType" }, "ctrm_MinimumLiquidityDeposit": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The amount of non-legally restricted cash per collateralized vessel required as a minimum liquidity requirement under the debt instrument.", "label": "Minimum Liquidity Deposit", "terseLabel": "Minimum liquidity deposit per vessel" } } }, "localname": "MinimumLiquidityDeposit", "nsuri": "http://castormaritime.com/20210630", "presentation": [ "http://castormaritime.com/role/LongtermDebtAnnualPrincipalPaymentsDetails" ], "xbrltype": "monetaryItemType" }, "ctrm_MinimumLiquidityDeposits": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The aggregate amount of non-legally restricted cash required as a minimum liquidity requirement under the debt instruments.", "label": "Minimum Liquidity Deposits", "terseLabel": "Minimum liquidity deposits" } } }, "localname": "MinimumLiquidityDeposits", "nsuri": "http://castormaritime.com/20210630", "presentation": [ "http://castormaritime.com/role/LongtermDebtAnnualPrincipalPaymentsDetails" ], "xbrltype": "monetaryItemType" }, "ctrm_MulanShippingCoMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Wholly-owned subsidiary of the Company, incorporated in the Marshall Islands.", "label": "Mulan Shipping Co. [Member]", "terseLabel": "Mulan Shipping Co. [Member]" } } }, "localname": "MulanShippingCoMember", "nsuri": "http://castormaritime.com/20210630", "presentation": [ "http://castormaritime.com/role/BasisOfPresentationAndGeneralInformationVesselOwningSubsidiariesDetails" ], "xbrltype": "domainItemType" }, "ctrm_NumberOfShipOwningSubsidiariesEnteringIntoTermLoanFacility": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Number of the Company's ship-owning subsidiaries that entered into a senior secured post-delivery term loan facility.", "label": "Number of ship-owning subsidiaries entering into term loan facility", "terseLabel": "Number of ship-owning subsidiaries entering into term loan facility" } } }, "localname": "NumberOfShipOwningSubsidiariesEnteringIntoTermLoanFacility", "nsuri": "http://castormaritime.com/20210630", "presentation": [ "http://castormaritime.com/role/SubsequentEventsDetails" ], "xbrltype": "integerItemType" }, "ctrm_NumberOfVessels": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The number of vessels in the Company's fleet.", "label": "Number of vessels", "terseLabel": "Number of vessels" } } }, "localname": "NumberOfVessels", "nsuri": "http://castormaritime.com/20210630", "presentation": [ "http://castormaritime.com/role/BasisOfPresentationAndGeneralInformationGeneralInformationDetails", "http://castormaritime.com/role/VesselsNetAdvancesForVesselAcquisitionsVesselAcquisitionsAndOtherCapitalExpendituresDetails" ], "xbrltype": "integerItemType" }, "ctrm_NumberOfVesselsAcquired": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The number of vessels acquired by the entity during the period.", "label": "Number of vessels acquired", "terseLabel": "Number of vessels acquired" } } }, "localname": "NumberOfVesselsAcquired", "nsuri": "http://castormaritime.com/20210630", "presentation": [ "http://castormaritime.com/role/VesselsNetAdvancesForVesselAcquisitionsVesselAcquisitionsAndOtherCapitalExpendituresDetails" ], "xbrltype": "integerItemType" }, "ctrm_NumberOfVesselsMortgagedAsCollateral": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The number of vessels first priority mortgaged as collateral to their loan facilities.", "label": "Number of vessels mortgaged as collateral", "terseLabel": "Number of vessels first priority mortgaged as collateral to loan facilities" } } }, "localname": "NumberOfVesselsMortgagedAsCollateral", "nsuri": "http://castormaritime.com/20210630", "presentation": [ "http://castormaritime.com/role/VesselsNetAdvancesForVesselAcquisitionsVesselAcquisitionsAndOtherCapitalExpendituresDetails" ], "xbrltype": "integerItemType" }, "ctrm_NumberOfVesselsToBeAcquired": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The number of vessels to be acquired by the entity.", "label": "Number of vessels to be acquired", "terseLabel": "Number of vessels to be acquired" } } }, "localname": "NumberOfVesselsToBeAcquired", "nsuri": "http://castormaritime.com/20210630", "presentation": [ "http://castormaritime.com/role/VesselsNetAdvancesForVesselAcquisitionsVesselAcquisitionsAndOtherCapitalExpendituresDetails" ], "xbrltype": "integerItemType" }, "ctrm_NumberOfVesselsUnderTechnicalManagementWithSubcontractor": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Number of vessels under technical management with third-party, sub-contracted ship-management companies.", "label": "Number of vessels under technical management with subcontractor", "terseLabel": "Number of vessels under technical management with subcontractor" } } }, "localname": "NumberOfVesselsUnderTechnicalManagementWithSubcontractor", "nsuri": "http://castormaritime.com/20210630", "presentation": [ "http://castormaritime.com/role/TransactionsWithRelatedPartiesPavimarDetails" ], "xbrltype": "integerItemType" }, "ctrm_OrganizationLineItems": { "auth_ref": [], "lang": { "en-us": { "role": { "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.", "label": "Organization [Line Items]", "terseLabel": "Subsidiaries in Consolidation [Line Items]" } } }, "localname": "OrganizationLineItems", "nsuri": "http://castormaritime.com/20210630", "presentation": [ "http://castormaritime.com/role/BasisOfPresentationAndGeneralInformationGeneralInformationDetails", "http://castormaritime.com/role/BasisOfPresentationAndGeneralInformationVesselOwningSubsidiariesDetails" ], "xbrltype": "stringItemType" }, "ctrm_OrganizationTable": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Disclosure of information on the organization.", "label": "Organization [Table]", "terseLabel": "Organization [Table]" } } }, "localname": "OrganizationTable", "nsuri": "http://castormaritime.com/20210630", "presentation": [ "http://castormaritime.com/role/BasisOfPresentationAndGeneralInformationGeneralInformationDetails", "http://castormaritime.com/role/BasisOfPresentationAndGeneralInformationVesselOwningSubsidiariesDetails" ], "xbrltype": "stringItemType" }, "ctrm_PanamaxVesselMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "A dry bulk carrier with a dead-weight carrying capacity of about 75,000 tons.", "label": "Panamax Vessel [Member]", "terseLabel": "Panamax Dry Bulk [Member]" } } }, "localname": "PanamaxVesselMember", "nsuri": "http://castormaritime.com/20210630", "presentation": [ "http://castormaritime.com/role/BasisOfPresentationAndGeneralInformationGeneralInformationDetails" ], "xbrltype": "domainItemType" }, "ctrm_ParValueOfSharesIssuedMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Capital stock, including shares designated as common shares and preferred shares.", "label": "Par Value of Shares Issued [Member]", "terseLabel": "Par Value of Shares Issued [Member]" } } }, "localname": "ParValueOfSharesIssuedMember", "nsuri": "http://castormaritime.com/20210630", "presentation": [ "http://castormaritime.com/role/UnauditedInterimConsolidatedStatementsOfShareholdersEquity" ], "xbrltype": "domainItemType" }, "ctrm_PavimarSAMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Pavimar S.A. (Pavimar) is a company controlled by Ismini Panagiotidis, the sister of Petros Panagiotidis, the Company's Chairman, Chief Executive Officer and Chief Financial Officer.", "label": "Pavimar S.A. [Member]", "terseLabel": "Pavimar [Member]" } } }, "localname": "PavimarSAMember", "nsuri": "http://castormaritime.com/20210630", "presentation": [ "http://castormaritime.com/role/TransactionsWithRelatedPartiesPavimarDetails", "http://castormaritime.com/role/TransactionsWithRelatedPartiesSummaryDetails" ], "xbrltype": "domainItemType" }, "ctrm_PaymentsOfAdvancesForVesselAcquisitions": { "auth_ref": [], "calculation": { "http://castormaritime.com/role/UnauditedInterimConsolidatedStatementsOfCashFlows": { "order": 1.0, "parentTag": "us-gaap_NetCashProvidedByUsedInInvestingActivities", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The amount of cash outflows associated with advance amount for vessel acquisitions.", "label": "Payments of Advances for Vessel Acquisitions", "negatedLabel": "Advances for vessel acquisitions" } } }, "localname": "PaymentsOfAdvancesForVesselAcquisitions", "nsuri": "http://castormaritime.com/20210630", "presentation": [ "http://castormaritime.com/role/UnauditedInterimConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "ctrm_PercentageIncreaseDecreaseInFairValueOfWarrants": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Percentage increase (decrease) in the fair value of warrants due to an increase (decrease) in the volatility applied to the valuation of warrants.", "label": "Percentage Increase (Decrease) in Fair Value of Warrants", "terseLabel": "Percentage increase in fair value of warrants due to increase in volatility" } } }, "localname": "PercentageIncreaseDecreaseInFairValueOfWarrants", "nsuri": "http://castormaritime.com/20210630", "presentation": [ "http://castormaritime.com/role/EquityCapitalStructure2021FirstRegisteredDirectEquityOfferingDetails", "http://castormaritime.com/role/EquityCapitalStructure2021SecondRegisteredDirectEquityOfferingDetails", "http://castormaritime.com/role/EquityCapitalStructure2021ThirdRegisteredDirectEquityOfferingDetails" ], "xbrltype": "percentItemType" }, "ctrm_PercentageIncreaseDecreaseInVolatility": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Percentage increase (decrease) in the volatility percentage applied to the valuation of warrants.", "label": "Percentage Increase (Decrease) in Volatility", "terseLabel": "Percentage increase in volatility causing increase in fair value of warrants" } } }, "localname": "PercentageIncreaseDecreaseInVolatility", "nsuri": "http://castormaritime.com/20210630", "presentation": [ "http://castormaritime.com/role/EquityCapitalStructure2021FirstRegisteredDirectEquityOfferingDetails", "http://castormaritime.com/role/EquityCapitalStructure2021SecondRegisteredDirectEquityOfferingDetails", "http://castormaritime.com/role/EquityCapitalStructure2021ThirdRegisteredDirectEquityOfferingDetails" ], "xbrltype": "percentItemType" }, "ctrm_PercentageOfSharesHeld": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Percentage of the Company's shares held by another entity.", "label": "Percentage of shares held", "terseLabel": "Percentage of shares held" } } }, "localname": "PercentageOfSharesHeld", "nsuri": "http://castormaritime.com/20210630", "presentation": [ "http://castormaritime.com/role/BasisOfPresentationAndGeneralInformationGeneralInformationDetails" ], "xbrltype": "percentItemType" }, "ctrm_PikachuShippingCoMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Wholly-owned subsidiary of the Company, incorporated in the Marshall Islands.", "label": "Pikachu Shipping Co. [Member]", "terseLabel": "Pikachu Shipping Co. [Member]" } } }, "localname": "PikachuShippingCoMember", "nsuri": "http://castormaritime.com/20210630", "presentation": [ "http://castormaritime.com/role/BasisOfPresentationAndGeneralInformationVesselOwningSubsidiariesDetails" ], "xbrltype": "domainItemType" }, "ctrm_PocahontasShippingCoMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Wholly-owned subsidiary of the Company, incorporated in the Marshall Islands.", "label": "Pocahontas Shipping Co. [Member]", "terseLabel": "Pocahontas Shipping Co. [Member]" } } }, "localname": "PocahontasShippingCoMember", "nsuri": "http://castormaritime.com/20210630", "presentation": [ "http://castormaritime.com/role/BasisOfPresentationAndGeneralInformationVesselOwningSubsidiariesDetails" ], "xbrltype": "domainItemType" }, "ctrm_PoolAgreementsMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Revenue generated from pool agreements.", "label": "Pool Agreements [Member]", "terseLabel": "Pool [Member]" } } }, "localname": "PoolAgreementsMember", "nsuri": "http://castormaritime.com/20210630", "presentation": [ "http://castormaritime.com/role/VesselRevenuesDetails" ], "xbrltype": "domainItemType" }, "ctrm_PortAndOtherExpenses": { "auth_ref": [], "calculation": { "http://castormaritime.com/role/VesselOperatingAndVoyageExpensesDetails": { "order": 1.0, "parentTag": "ctrm_VoyageExpenses", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Fixed charges, such as wharfage, towage, and pilotage, levied against a ship or its cargo in port and other expenses.", "label": "Port and Other Expenses", "terseLabel": "Port & other expenses" } } }, "localname": "PortAndOtherExpenses", "nsuri": "http://castormaritime.com/20210630", "presentation": [ "http://castormaritime.com/role/VesselOperatingAndVoyageExpensesDetails" ], "xbrltype": "monetaryItemType" }, "ctrm_ProfessionalFeesOther": { "auth_ref": [], "calculation": { "http://castormaritime.com/role/GeneralAndAdministrativeExpensesDetails": { "order": 3.0, "parentTag": "us-gaap_GeneralAndAdministrativeExpense", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount of fees paid for services from other professionals, such as lawyers and accountants.", "label": "Professional Fees, Other", "terseLabel": "Other professional fees" } } }, "localname": "ProfessionalFeesOther", "nsuri": "http://castormaritime.com/20210630", "presentation": [ "http://castormaritime.com/role/GeneralAndAdministrativeExpensesDetails" ], "xbrltype": "monetaryItemType" }, "ctrm_PumbaShippingCoMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Wholly-owned subsidiary of the Company, incorporated in the Marshall Islands.", "label": "Pumba Shipping Co. [Member]", "terseLabel": "Pumba Shipping Co. [Member]" } } }, "localname": "PumbaShippingCoMember", "nsuri": "http://castormaritime.com/20210630", "presentation": [ "http://castormaritime.com/role/BasisOfPresentationAndGeneralInformationVesselOwningSubsidiariesDetails" ], "xbrltype": "domainItemType" }, "ctrm_RelatedPartyTransactionCommissionRate": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The percentage of the gross charter hire, freight and the ballast bonus earned under a charter charged as a commission to the Company by a related party.", "label": "Related Party Transaction, Commission Rate", "verboseLabel": "Commission rate on charter agreements" } } }, "localname": "RelatedPartyTransactionCommissionRate", "nsuri": "http://castormaritime.com/20210630", "presentation": [ "http://castormaritime.com/role/TransactionsWithRelatedPartiesCastorShipsDetails" ], "xbrltype": "percentItemType" }, "ctrm_RelatedPartyTransactionCommissionRateOnEachVesselSaleAndPurchaseTransaction": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "A commission charged by a related party in connection with each vessel sale and purchase transaction.", "label": "Related Party Transaction, Commission Rate on Each Vessel Sale and Purchase Transaction", "terseLabel": "Commission rate on each vessel sale and purchase transaction" } } }, "localname": "RelatedPartyTransactionCommissionRateOnEachVesselSaleAndPurchaseTransaction", "nsuri": "http://castormaritime.com/20210630", "presentation": [ "http://castormaritime.com/role/TransactionsWithRelatedPartiesCastorShipsDetails" ], "xbrltype": "percentItemType" }, "ctrm_RelatedPartyTransactionCommissions": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Commissions paid to a related party broker on time-charter and voyage-charter arrangements.", "label": "Related Party Transaction, Commissions", "verboseLabel": "Charter hire commissions" } } }, "localname": "RelatedPartyTransactionCommissions", "nsuri": "http://castormaritime.com/20210630", "presentation": [ "http://castormaritime.com/role/TransactionsWithRelatedPartiesCastorShipsDetails", "http://castormaritime.com/role/TransactionsWithRelatedPartiesSummaryDetails" ], "xbrltype": "monetaryItemType" }, "ctrm_RelatedPartyTransactionFixedDailyFee": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Fixed daily fee charged by a related party to provide a wide range of shipping services such as crew management, technical management, operational employment management, insurance arrangements, provisioning, bunkering, accounting services, general administration and audit support.", "label": "Related Party Transaction, Fixed Daily Fee", "terseLabel": "Daily fee for services" } } }, "localname": "RelatedPartyTransactionFixedDailyFee", "nsuri": "http://castormaritime.com/20210630", "presentation": [ "http://castormaritime.com/role/TransactionsWithRelatedPartiesCastorShipsDetails", "http://castormaritime.com/role/TransactionsWithRelatedPartiesPavimarDetails" ], "xbrltype": "perUnitItemType" }, "ctrm_RelatedPartyTransactionManagementFees": { "auth_ref": [], "calculation": { "http://castormaritime.com/role/UnauditedInterimCondensedConsolidatedStatementsOfComprehensiveIncomeLoss": { "order": 2.0, "parentTag": "us-gaap_CostsAndExpenses", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Fees paid to related parties for providing a wide range of shipping services such as crew management, technical management, operational employment management, insurance arrangements, provisioning, bunkering, accounting services, general administration and audit support.", "label": "Related Party Transaction, Management Fees", "negatedLabel": "Management fees to related parties", "terseLabel": "Management fees to related party", "verboseLabel": "Management fees" } } }, "localname": "RelatedPartyTransactionManagementFees", "nsuri": "http://castormaritime.com/20210630", "presentation": [ "http://castormaritime.com/role/TransactionsWithRelatedPartiesCastorShipsDetails", "http://castormaritime.com/role/TransactionsWithRelatedPartiesPavimarDetails", "http://castormaritime.com/role/TransactionsWithRelatedPartiesSummaryDetails", "http://castormaritime.com/role/UnauditedInterimCondensedConsolidatedStatementsOfComprehensiveIncomeLoss" ], "xbrltype": "monetaryItemType" }, "ctrm_RelatedPartyTransactionManagementTerminationFeeMultiplier": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Termination fee multiplier applied to the total amount of the flat management fee and the per vessel management fee calculated on an annual basis under an agreement with a related party.", "label": "Related Party Transaction, Management Termination Fee Multiplier", "terseLabel": "Termination fee multiplier" } } }, "localname": "RelatedPartyTransactionManagementTerminationFeeMultiplier", "nsuri": "http://castormaritime.com/20210630", "presentation": [ "http://castormaritime.com/role/TransactionsWithRelatedPartiesCastorShipsDetails" ], "xbrltype": "pureItemType" }, "ctrm_RelatedPartyTransactionQuarterlyManagementFee": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Fixed quarterly fee charged by a related party to provide a shipping related administrative services.", "label": "Related Party Transaction, Quarterly Management Fee", "terseLabel": "Quarterly management fee" } } }, "localname": "RelatedPartyTransactionQuarterlyManagementFee", "nsuri": "http://castormaritime.com/20210630", "presentation": [ "http://castormaritime.com/role/TransactionsWithRelatedPartiesCastorShipsDetails" ], "xbrltype": "monetaryItemType" }, "ctrm_RelatedPartyTransactionRenewalTermOfAgreement": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Term of related party agreement renewal, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.", "label": "Related Party Transaction, Renewal Term of Agreement", "terseLabel": "Renewal term of agreement" } } }, "localname": "RelatedPartyTransactionRenewalTermOfAgreement", "nsuri": "http://castormaritime.com/20210630", "presentation": [ "http://castormaritime.com/role/TransactionsWithRelatedPartiesCastorShipsDetails", "http://castormaritime.com/role/TransactionsWithRelatedPartiesPavimarDetails" ], "xbrltype": "durationItemType" }, "ctrm_RelatedPartyTransactionSaleAndPurchaseCommission": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount of commission charged by related party for any sale or purchase of vessels for the Company.", "label": "Related Party Transaction, Sale and Purchase Commission", "terseLabel": "Sale and purchase commission", "verboseLabel": "Sale & purchase commission" } } }, "localname": "RelatedPartyTransactionSaleAndPurchaseCommission", "nsuri": "http://castormaritime.com/20210630", "presentation": [ "http://castormaritime.com/role/TransactionsWithRelatedPartiesCastorShipsDetails", "http://castormaritime.com/role/TransactionsWithRelatedPartiesSummaryDetails" ], "xbrltype": "monetaryItemType" }, "ctrm_RelatedPartyTransactionShipmanagementTerminationFeeMultiplier": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Multiplier applied to the total amount of the daily management fee calculated on an annual basis to determine the termination fee under the shipmanagement agreements.", "label": "Related Party Transaction, Shipmanagement Termination Fee Multiplier", "terseLabel": "Termination fee multiplier" } } }, "localname": "RelatedPartyTransactionShipmanagementTerminationFeeMultiplier", "nsuri": "http://castormaritime.com/20210630", "presentation": [ "http://castormaritime.com/role/TransactionsWithRelatedPartiesPavimarDetails" ], "xbrltype": "pureItemType" }, "ctrm_RelatedPartyTransactionTermOfAgreement": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Term of related party agreement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.", "label": "Related Party Transaction, Term of Agreement", "terseLabel": "Term of agreement" } } }, "localname": "RelatedPartyTransactionTermOfAgreement", "nsuri": "http://castormaritime.com/20210630", "presentation": [ "http://castormaritime.com/role/TransactionsWithRelatedPartiesCastorShipsDetails", "http://castormaritime.com/role/TransactionsWithRelatedPartiesPavimarDetails" ], "xbrltype": "durationItemType" }, "ctrm_RetentionDeposits": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The amount of retention deposits restricted as to usage.", "label": "Retention Deposits", "terseLabel": "Retention deposits" } } }, "localname": "RetentionDeposits", "nsuri": "http://castormaritime.com/20210630", "presentation": [ "http://castormaritime.com/role/LongtermDebtAnnualPrincipalPaymentsDetails" ], "xbrltype": "monetaryItemType" }, "ctrm_ReverseStockSplitAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Reverse Stock Split [Abstract]", "terseLabel": "Reverse Stock Split [Abstract]" } } }, "localname": "ReverseStockSplitAbstract", "nsuri": "http://castormaritime.com/20210630", "presentation": [ "http://castormaritime.com/role/EquityCapitalStructureReverseStockSplitDetails" ], "xbrltype": "stringItemType" }, "ctrm_RocketShippingCoMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Wholly-owned subsidiary of the Company, incorporated in the Marshall Islands.", "label": "Rocket Shipping Co. [Member]", "terseLabel": "Rocket Shipping Co. [Member]" } } }, "localname": "RocketShippingCoMember", "nsuri": "http://castormaritime.com/20210630", "presentation": [ "http://castormaritime.com/role/BasisOfPresentationAndGeneralInformationVesselOwningSubsidiariesDetails" ], "xbrltype": "domainItemType" }, "ctrm_ScheduleOfAdvancesForVesselsAcquisitionsTableTextBlock": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Tabular disclosure of changes in advances for acquisition of vessels.", "label": "Schedule of Advances for Vessels Acquisitions [Table Text Block]", "terseLabel": "Advances for Vessels acquisitions" } } }, "localname": "ScheduleOfAdvancesForVesselsAcquisitionsTableTextBlock", "nsuri": "http://castormaritime.com/20210630", "presentation": [ "http://castormaritime.com/role/VesselsNetAdvancesForVesselAcquisitionsTables" ], "xbrltype": "textBlockItemType" }, "ctrm_SecondPrivatePlacementWarrants2021Member": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The 2021 Second Private Placement Warrants issued in the 2021 Second Registered Direct Equity Offering and he Company that gives the holder the right to purchase one share of common stock in accordance with the terms of the instrument, usually upon payment of a specified amount.", "label": "Second Private Placement Warrants 2021 [Member]", "terseLabel": "2021 Second Private Placement Warrants [Member]" } } }, "localname": "SecondPrivatePlacementWarrants2021Member", "nsuri": "http://castormaritime.com/20210630", "presentation": [ "http://castormaritime.com/role/EquityCapitalStructure2021SecondRegisteredDirectEquityOfferingDetails" ], "xbrltype": "domainItemType" }, "ctrm_SecondRegisteredDirectEquityOffering2021Member": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "On January 8, 2021, the Company entered into agreements with certain unaffiliated institutional investors pursuant to which it offered and sold 13,700,000 common shares and warrants to purchase up to 13,700,000 common shares (the \"2021 Second Private Placement Warrants\") in a registered direct offering or the 2021 Second Registered Direct Equity Offering.", "label": "Second Registered Direct Equity Offering 2021 [Member]", "terseLabel": "2021 Second Registered Direct Equity Offering [Member]" } } }, "localname": "SecondRegisteredDirectEquityOffering2021Member", "nsuri": "http://castormaritime.com/20210630", "presentation": [ "http://castormaritime.com/role/EquityCapitalStructure2021SecondRegisteredDirectEquityOfferingDetails" ], "xbrltype": "domainItemType" }, "ctrm_SeniorSecuredTeamLoanFacilityAlphaBankMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Senior secured term loan facility entered into with Alpha Bank A.E on November 22, 2019.", "label": "Senior Secured Team Loan Facility, Alpha Bank [Member]", "terseLabel": "$18.0 Million Term Loan Facility [Member]" } } }, "localname": "SeniorSecuredTeamLoanFacilityAlphaBankMember", "nsuri": "http://castormaritime.com/20210630", "presentation": [ "http://castormaritime.com/role/LongtermDebt180MillionTermLoanFacilityDetails", "http://castormaritime.com/role/LongtermDebtAnnualPrincipalPaymentsDetails", "http://castormaritime.com/role/LongtermDebtLongtermDebtIncludingRelatedPartyDebtDetails" ], "xbrltype": "domainItemType" }, "ctrm_SeniorSecuredTeamLoanFacilityHamburgCommercialBankMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Senior secured term loan facility entered into with Hamburg Commercial Bank AG on January 22, 2021.", "label": "Senior Secured Team Loan Facility, Hamburg Commercial Bank [Member]", "terseLabel": "$15.3 Million Term Loan Facility [Member]" } } }, "localname": "SeniorSecuredTeamLoanFacilityHamburgCommercialBankMember", "nsuri": "http://castormaritime.com/20210630", "presentation": [ "http://castormaritime.com/role/LongtermDebt153MillionTermLoanFacilityDetails", "http://castormaritime.com/role/LongtermDebtAnnualPrincipalPaymentsDetails", "http://castormaritime.com/role/LongtermDebtLongtermDebtIncludingRelatedPartyDebtDetails" ], "xbrltype": "domainItemType" }, "ctrm_SeniorSecuredTermLoanFacilityMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Senior secured term loan facility entered into with Chailease International Financial Services Co., Ltd. on January 23, 2020.", "label": "Senior Secured Term Loan Facility [Member]", "terseLabel": "$4.5 Million Term Loan Facility [Member]" } } }, "localname": "SeniorSecuredTermLoanFacilityMember", "nsuri": "http://castormaritime.com/20210630", "presentation": [ "http://castormaritime.com/role/LongtermDebt45MillionTermLoanFacilityDetails", "http://castormaritime.com/role/LongtermDebtLongtermDebtIncludingRelatedPartyDebtDetails" ], "xbrltype": "domainItemType" }, "ctrm_SnoopyShippingCoMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Wholly-owned subsidiary of the Company, incorporated in the Marshall Islands.", "label": "Snoopy Shipping Co. [Member]", "terseLabel": "Snoopy Shipping Co. [Member]" } } }, "localname": "SnoopyShippingCoMember", "nsuri": "http://castormaritime.com/20210630", "presentation": [ "http://castormaritime.com/role/BasisOfPresentationAndGeneralInformationVesselOwningSubsidiariesDetails" ], "xbrltype": "domainItemType" }, "ctrm_SpetsesShippingCoMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Wholly-owned subsidiary of the Company, incorporated in the Marshall Islands.", "label": "Spetses Shipping Co [Member]", "terseLabel": "Spetses Shipping Co. [Member]" } } }, "localname": "SpetsesShippingCoMember", "nsuri": "http://castormaritime.com/20210630", "presentation": [ "http://castormaritime.com/role/BasisOfPresentationAndGeneralInformationVesselOwningSubsidiariesDetails" ], "xbrltype": "domainItemType" }, "ctrm_StarlordShippingCoMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Wholly-owned subsidiary of the Company, incorporated in the Marshall Islands.", "label": "Starlord Shipping Co. [Member]", "terseLabel": "Starlord Shipping Co. [Member]" } } }, "localname": "StarlordShippingCoMember", "nsuri": "http://castormaritime.com/20210630", "presentation": [ "http://castormaritime.com/role/BasisOfPresentationAndGeneralInformationVesselOwningSubsidiariesDetails" ], "xbrltype": "domainItemType" }, "ctrm_StewieShippingCoMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Wholly-owned subsidiary of the Company, incorporated in the Marshall Islands.", "label": "Stewie Shipping Co. [Member]", "terseLabel": "Stewie Shipping Co. [Member]" } } }, "localname": "StewieShippingCoMember", "nsuri": "http://castormaritime.com/20210630", "presentation": [ "http://castormaritime.com/role/BasisOfPresentationAndGeneralInformationVesselOwningSubsidiariesDetails" ], "xbrltype": "domainItemType" }, "ctrm_StockIssuanceCostsIncurredButNotYetPaid": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Future cash outflow to pay for costs incurred directly with the issuance of an equity security.", "label": "Stock Issuance Costs Incurred but Not yet Paid", "terseLabel": "Unpaid capital raising costs (included in Accounts payable and Accrued Liabilities)" } } }, "localname": "StockIssuanceCostsIncurredButNotYetPaid", "nsuri": "http://castormaritime.com/20210630", "presentation": [ "http://castormaritime.com/role/UnauditedInterimConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "ctrm_StockIssuedDuringPeriodSharesExerciseOfWarrants": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Number of new stock issued pursuant to the exercise of warrants during the period.", "label": "Stock Issued During Period, Shares, Exercise of Warrants", "verboseLabel": "Issuance of common stock pursuant to warrant exercises (Note 7) (in shares)" } } }, "localname": "StockIssuedDuringPeriodSharesExerciseOfWarrants", "nsuri": "http://castormaritime.com/20210630", "presentation": [ "http://castormaritime.com/role/UnauditedInterimConsolidatedStatementsOfShareholdersEquity" ], "xbrltype": "sharesItemType" }, "ctrm_StockIssuedDuringPeriodSharesNewIssuesAtTheMarketOffering": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Number of new stock issued during the period pursuant to an at-the-market offering.", "label": "Stock Issued During Period, Shares, New Issues, At-the-Market Offering", "terseLabel": "Issuance of common stock pursuant to the ATM Program (Note 7) (in shares)" } } }, "localname": "StockIssuedDuringPeriodSharesNewIssuesAtTheMarketOffering", "nsuri": "http://castormaritime.com/20210630", "presentation": [ "http://castormaritime.com/role/UnauditedInterimConsolidatedStatementsOfShareholdersEquity" ], "xbrltype": "sharesItemType" }, "ctrm_StockIssuedDuringPeriodSharesNewIssuesEquityOffering": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Number of new stock issued during the period pursuant to an equity offering.", "label": "Stock Issued During Period, Shares, New Issues, Equity Offering", "terseLabel": "Issuance of common stock pursuant to the June Equity Offering, net of issuance costs (Note 7) (in shares)" } } }, "localname": "StockIssuedDuringPeriodSharesNewIssuesEquityOffering", "nsuri": "http://castormaritime.com/20210630", "presentation": [ "http://castormaritime.com/role/UnauditedInterimConsolidatedStatementsOfShareholdersEquity" ], "xbrltype": "sharesItemType" }, "ctrm_StockIssuedDuringPeriodSharesNewIssuesRegisteredDirectOfferings": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Number of new stock issued during the period pursuant to registered direct offerings.", "label": "Stock Issued During Period, Shares, New Issues, Registered Direct Offerings", "terseLabel": "Issuance of common stock pursuant to the registered direct offerings (Note 7) (in shares)" } } }, "localname": "StockIssuedDuringPeriodSharesNewIssuesRegisteredDirectOfferings", "nsuri": "http://castormaritime.com/20210630", "presentation": [ "http://castormaritime.com/role/UnauditedInterimConsolidatedStatementsOfShareholdersEquity" ], "xbrltype": "sharesItemType" }, "ctrm_StockIssuedDuringPeriodValueExerciseOfWarrants": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Equity impact of the value of new stock issued pursuant to the exercise of warrants during the period.", "label": "Stock Issued During Period, Value, Exercise of Warrants", "terseLabel": "Issuance of common stock pursuant to warrant exercises (Note 7)" } } }, "localname": "StockIssuedDuringPeriodValueExerciseOfWarrants", "nsuri": "http://castormaritime.com/20210630", "presentation": [ "http://castormaritime.com/role/UnauditedInterimConsolidatedStatementsOfShareholdersEquity" ], "xbrltype": "monetaryItemType" }, "ctrm_StockIssuedDuringPeriodValueNewIssuesAtTheMarketOffering": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Equity impact of the value of new stock issued during the period pursuant to an at-the-market offering.", "label": "Stock Issued During Period, Value, New Issues, At-the-Market Offering", "terseLabel": "Issuance of common stock pursuant to the ATM Program (Note 7)" } } }, "localname": "StockIssuedDuringPeriodValueNewIssuesAtTheMarketOffering", "nsuri": "http://castormaritime.com/20210630", "presentation": [ "http://castormaritime.com/role/UnauditedInterimConsolidatedStatementsOfShareholdersEquity" ], "xbrltype": "monetaryItemType" }, "ctrm_StockIssuedDuringPeriodValueNewIssuesEquityOffering": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Equity impact of the value of new stock issued during the period pursuant to an equity offering.", "label": "Stock Issued During Period, Value, New Issues, Equity Offering", "terseLabel": "Issuance of common stock pursuant to the June Equity Offering, net of issuance costs (Note 7)" } } }, "localname": "StockIssuedDuringPeriodValueNewIssuesEquityOffering", "nsuri": "http://castormaritime.com/20210630", "presentation": [ "http://castormaritime.com/role/UnauditedInterimConsolidatedStatementsOfShareholdersEquity" ], "xbrltype": "monetaryItemType" }, "ctrm_StockIssuedDuringPeriodValueNewIssuesRegisteredDirectOfferings": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Equity impact of the value of new stock issued during the period pursuant to registered direct offerings.", "label": "Stock Issued During Period, Value, New Issues, Registered Direct Offerings", "terseLabel": "Issuance of common stock pursuant to the registered direct offerings (Note 7)" } } }, "localname": "StockIssuedDuringPeriodValueNewIssuesRegisteredDirectOfferings", "nsuri": "http://castormaritime.com/20210630", "presentation": [ "http://castormaritime.com/role/UnauditedInterimConsolidatedStatementsOfShareholdersEquity" ], "xbrltype": "monetaryItemType" }, "ctrm_SubcontractedTechnicalManagementAgreementMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Pavimar has subcontracted the technical management of the Magic Nova to a third-party ship-management company, Fleet Ship Management Inc. (\"Fleet Ship\"). Fleet Ship provides technical management to the Magic Nova for a fixed annual fee which is reimbursed by Pavimar.", "label": "Subcontracted Technical Management Agreement [Member]", "terseLabel": "Subcontracted Technical Management Agreement to Fleet Ship [Member]" } } }, "localname": "SubcontractedTechnicalManagementAgreementMember", "nsuri": "http://castormaritime.com/20210630", "presentation": [ "http://castormaritime.com/role/TransactionsWithRelatedPartiesPavimarDetails" ], "xbrltype": "domainItemType" }, "ctrm_SubsidiariesInConsolidationAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Subsidiaries in Consolidation [Abstract]", "terseLabel": "Subsidiaries in Consolidation [Abstract]" } } }, "localname": "SubsidiariesInConsolidationAbstract", "nsuri": "http://castormaritime.com/20210630", "presentation": [ "http://castormaritime.com/role/BasisOfPresentationAndGeneralInformationVesselOwningSubsidiariesDetails" ], "xbrltype": "stringItemType" }, "ctrm_SuperMarioShippingCoMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Wholly-owned subsidiary of the Company, incorporated in the Marshall Islands.", "label": "Super Mario Shipping Co. [Member]", "terseLabel": "Super Mario Shipping Co. [Member]" } } }, "localname": "SuperMarioShippingCoMember", "nsuri": "http://castormaritime.com/20210630", "presentation": [ "http://castormaritime.com/role/BasisOfPresentationAndGeneralInformationVesselOwningSubsidiariesDetails" ], "xbrltype": "domainItemType" }, "ctrm_TankerMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "A ship designed to transport or store liquids or gases in bulk.", "label": "Tanker [Member]", "terseLabel": "Tanker Vessels [Member]" } } }, "localname": "TankerMember", "nsuri": "http://castormaritime.com/20210630", "presentation": [ "http://castormaritime.com/role/TransactionsWithRelatedPartiesPavimarDetails", "http://castormaritime.com/role/VesselsNetAdvancesForVesselAcquisitionsVesselAcquisitionsAndOtherCapitalExpendituresDetails" ], "xbrltype": "domainItemType" }, "ctrm_TechnicalShipmanagementAgreementsMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The Company is provided a range of technical, crewing, insurance and operational services for each ship-owning subsidiary in exchange for a fixed daily fee.", "label": "Technical Shipmanagement Agreements [Member]", "verboseLabel": "Technical Management Agreements [Member]" } } }, "localname": "TechnicalShipmanagementAgreementsMember", "nsuri": "http://castormaritime.com/20210630", "presentation": [ "http://castormaritime.com/role/TransactionsWithRelatedPartiesPavimarDetails" ], "xbrltype": "domainItemType" }, "ctrm_TermLoanFacilityMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "An unsecured term loan with Thalassa Investment Co.", "label": "Term Loan Facility [Member]", "terseLabel": "$5.0 Million Term Loan Facility [Member]" } } }, "localname": "TermLoanFacilityMember", "nsuri": "http://castormaritime.com/20210630", "presentation": [ "http://castormaritime.com/role/FinancialInstrumentsAndFairValueDisclosuresDetails", "http://castormaritime.com/role/LongtermDebtLongtermDebtIncludingRelatedPartyDebtDetails", "http://castormaritime.com/role/TransactionsWithRelatedPartiesSummaryDetails", "http://castormaritime.com/role/TransactionsWithRelatedPartiesThalassaDetails" ], "xbrltype": "domainItemType" }, "ctrm_ThalassaInvestmentCoSAMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "An entity registered in the Liberia that is wholly-owned and controlled by Petros Panagiotidis, the Company's Chairman, Chief Executive Officer and Chief Financial Officer.", "label": "Thalassa Investment Co. S.A. [Member]", "terseLabel": "Thalassa [Member]" } } }, "localname": "ThalassaInvestmentCoSAMember", "nsuri": "http://castormaritime.com/20210630", "presentation": [ "http://castormaritime.com/role/BasisOfPresentationAndGeneralInformationGeneralInformationDetails", "http://castormaritime.com/role/FinancialInstrumentsAndFairValueDisclosuresDetails", "http://castormaritime.com/role/TransactionsWithRelatedPartiesSummaryDetails", "http://castormaritime.com/role/TransactionsWithRelatedPartiesThalassaDetails" ], "xbrltype": "domainItemType" }, "ctrm_ThirdPartyAndRelatedPartyDebtMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Long-term debt of the Company including a senior secured term loan with Alpha Bank S.A ($11.0 million Alpha Bank Financing) and an unsecured term loan with Thalassa Investment Co. ($5.0 million Term Loan Facility).", "label": "Third Party and Related Party Debt [Member]", "terseLabel": "Long-Term Debt (Including Related Party Debt) [Member]" } } }, "localname": "ThirdPartyAndRelatedPartyDebtMember", "nsuri": "http://castormaritime.com/20210630", "presentation": [ "http://castormaritime.com/role/LongtermDebtAnnualPrincipalPaymentsDetails" ], "xbrltype": "domainItemType" }, "ctrm_ThirdPrivatePlacementWarrants2021Member": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The 2021 Third Private Placement Warrants issued in the 2021 Third Registered Direct Equity Offering and he Company that gives the holder the right to purchase one share of common stock in accordance with the terms of the instrument, usually upon payment of a specified amount.", "label": "Third Private Placement Warrants 2021 [Member]", "terseLabel": "2021 Third Private Placement Warrants [Member]" } } }, "localname": "ThirdPrivatePlacementWarrants2021Member", "nsuri": "http://castormaritime.com/20210630", "presentation": [ "http://castormaritime.com/role/EquityCapitalStructure2021ThirdRegisteredDirectEquityOfferingDetails" ], "xbrltype": "domainItemType" }, "ctrm_ThirdRegisteredDirectEquityOffering2021Member": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "On April 5, 2021, the Company entered into agreements with certain unaffiliated institutional investors pursuant to which it offered and sold 19,230,770 common shares and warrants to purchase up to 19,230,770 common shares (the \"2021 Third Private Placement Warrants\") in a registered direct offering or the 2021 Third Registered Direct Equity Offering.", "label": "Third Registered Direct Equity Offering 2021 [Member]", "terseLabel": "2021 Third Registered Direct Equity Offering [Member]" } } }, "localname": "ThirdRegisteredDirectEquityOffering2021Member", "nsuri": "http://castormaritime.com/20210630", "presentation": [ "http://castormaritime.com/role/EquityCapitalStructure2021ThirdRegisteredDirectEquityOfferingDetails" ], "xbrltype": "domainItemType" }, "ctrm_TimeCharterMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "A time charter is a contract to charter a vessel for a fixed period at a set daily rate.", "label": "Time Charter [Member]", "terseLabel": "Time Charter [Member]" } } }, "localname": "TimeCharterMember", "nsuri": "http://castormaritime.com/20210630", "presentation": [ "http://castormaritime.com/role/VesselRevenuesDetails" ], "xbrltype": "domainItemType" }, "ctrm_UnpaidAdvancesForVesselAcquisitions": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The amount of unpaid advances for vessel acquisitions.", "label": "Unpaid Advances For Vessel Acquisitions", "terseLabel": "Unpaid advances for vessel acquisitions (included in Accounts payable and Accrued Liabilities)" } } }, "localname": "UnpaidAdvancesForVesselAcquisitions", "nsuri": "http://castormaritime.com/20210630", "presentation": [ "http://castormaritime.com/role/UnauditedInterimConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "ctrm_UnpaidDeferredDryDockCosts": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The amount of unpaid deferred dry-dock costs.", "label": "Unpaid Deferred Dry-dock Costs", "terseLabel": "Unpaid deferred dry-dock costs (included in Accounts payable and Accrued liabilities)" } } }, "localname": "UnpaidDeferredDryDockCosts", "nsuri": "http://castormaritime.com/20210630", "presentation": [ "http://castormaritime.com/role/UnauditedInterimConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "ctrm_VesselAcquisitions2021Member": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "12 dry bulk carriers and 8 tanker vessels acquired in 2021.", "label": "Vessel Acquisitions 2021 [Member]", "terseLabel": "2021 Vessel Acquisitions [Member]" } } }, "localname": "VesselAcquisitions2021Member", "nsuri": "http://castormaritime.com/20210630", "presentation": [ "http://castormaritime.com/role/VesselsNetAdvancesForVesselAcquisitionsVesselAcquisitionsAndOtherCapitalExpendituresDetails" ], "xbrltype": "domainItemType" }, "ctrm_VesselManagementAgreementsMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Under the separate Management Agreement for each ship-owning subsidiary, the Company is provided with a wide range of shipping services such as crew management, technical management, operational employment management, insurance arrangements, provisioning, bunkering, accounting services, general administration and audit support, in exchange for a fixed daily fee.", "label": "Vessel Management Agreements [Member]", "verboseLabel": "Vessel Management Agreements [Member]" } } }, "localname": "VesselManagementAgreementsMember", "nsuri": "http://castormaritime.com/20210630", "presentation": [ "http://castormaritime.com/role/TransactionsWithRelatedPartiesPavimarDetails", "http://castormaritime.com/role/TransactionsWithRelatedPartiesSummaryDetails" ], "xbrltype": "domainItemType" }, "ctrm_VesselName": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The name of vessel.", "label": "Vessel Name", "terseLabel": "Vessel name" } } }, "localname": "VesselName", "nsuri": "http://castormaritime.com/20210630", "presentation": [ "http://castormaritime.com/role/BasisOfPresentationAndGeneralInformationVesselOwningSubsidiariesDetails" ], "xbrltype": "stringItemType" }, "ctrm_VesselOperatingAndVoyageExpensesAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Vessel Operating and Voyage Expenses [Abstract]" } } }, "localname": "VesselOperatingAndVoyageExpensesAbstract", "nsuri": "http://castormaritime.com/20210630", "xbrltype": "stringItemType" }, "ctrm_VesselOperatingAndVoyageExpensesTextBlock": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The entire disclosure for vessel operating expenses and voyage expenses.", "label": "Vessel Operating and Voyage Expenses [Text Block]", "terseLabel": "Vessel Operating and Voyage Expenses" } } }, "localname": "VesselOperatingAndVoyageExpensesTextBlock", "nsuri": "http://castormaritime.com/20210630", "presentation": [ "http://castormaritime.com/role/VesselOperatingAndVoyageExpenses" ], "xbrltype": "textBlockItemType" }, "ctrm_VesselOperatingExpensesTableTextBlock": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Tabular disclosure of vessel operating expenses.", "label": "Vessel Operating Expenses [Table Text Block]", "terseLabel": "Vessel Operating Expenses" } } }, "localname": "VesselOperatingExpensesTableTextBlock", "nsuri": "http://castormaritime.com/20210630", "presentation": [ "http://castormaritime.com/role/VesselOperatingAndVoyageExpensesTables" ], "xbrltype": "textBlockItemType" }, "ctrm_VesselOwningSubsidiariesTableTextBlock": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Tabular disclosure of information regarding subsidiaries owning vessels.", "label": "Vessel Owning Subsidiaries [Table Text Block]", "terseLabel": "Vessel Owning Subsidiaries" } } }, "localname": "VesselOwningSubsidiariesTableTextBlock", "nsuri": "http://castormaritime.com/20210630", "presentation": [ "http://castormaritime.com/role/BasisOfPresentationAndGeneralInformationTables" ], "xbrltype": "textBlockItemType" }, "ctrm_VesselRepairAndMaintenanceExpenses": { "auth_ref": [], "calculation": { "http://castormaritime.com/role/VesselOperatingAndVoyageExpensesDetails": { "order": 2.0, "parentTag": "us-gaap_OperatingCostsAndExpenses", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount of operating expenses for vessel repair and maintenance, spares, stores, classification, chemicals and gases, paints and victualling.", "label": "Vessel Repair and Maintenance Expenses", "terseLabel": "Repairs & maintenance, spares, stores, classification, chemicals & gases, paints, victualling" } } }, "localname": "VesselRepairAndMaintenanceExpenses", "nsuri": "http://castormaritime.com/20210630", "presentation": [ "http://castormaritime.com/role/VesselOperatingAndVoyageExpensesDetails" ], "xbrltype": "monetaryItemType" }, "ctrm_VesselYearBuilt": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The year in which the vessel was built.", "label": "Vessel Year Built", "terseLabel": "Year built" } } }, "localname": "VesselYearBuilt", "nsuri": "http://castormaritime.com/20210630", "presentation": [ "http://castormaritime.com/role/BasisOfPresentationAndGeneralInformationVesselOwningSubsidiariesDetails" ], "xbrltype": "gYearItemType" }, "ctrm_VesselsMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Watercraft used as a means of transportation on water.", "label": "Vessels [Member]", "terseLabel": "Vessels [Member]" } } }, "localname": "VesselsMember", "nsuri": "http://castormaritime.com/20210630", "presentation": [ "http://castormaritime.com/role/VesselsNetAdvancesForVesselAcquisitionsNetBookValueDetails" ], "xbrltype": "domainItemType" }, "ctrm_VesselsMortgagedAsCollateralMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Vessels that were first priority mortgaged as collateral to their loan facilities.", "label": "Vessels Mortgaged as Collateral [Member]", "terseLabel": "Vessels Mortgaged as Collateral [Member]" } } }, "localname": "VesselsMortgagedAsCollateralMember", "nsuri": "http://castormaritime.com/20210630", "presentation": [ "http://castormaritime.com/role/VesselsNetAdvancesForVesselAcquisitionsVesselAcquisitionsAndOtherCapitalExpendituresDetails" ], "xbrltype": "domainItemType" }, "ctrm_VisionShippingCoMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Wholly-owned subsidiary of the Company, incorporated in the Marshall Islands.", "label": "Vision Shipping Co. [Member]", "terseLabel": "Vision Shipping Co. [Member]" } } }, "localname": "VisionShippingCoMember", "nsuri": "http://castormaritime.com/20210630", "presentation": [ "http://castormaritime.com/role/BasisOfPresentationAndGeneralInformationVesselOwningSubsidiariesDetails" ], "xbrltype": "domainItemType" }, "ctrm_VoyageCharterMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "A voyage charter is a contract to charter a vessel for a fixed amount per ton of cargo carried.", "label": "Voyage Charter [Member]", "terseLabel": "Voyage Charter [Member]" } } }, "localname": "VoyageCharterMember", "nsuri": "http://castormaritime.com/20210630", "presentation": [ "http://castormaritime.com/role/VesselRevenuesDetails" ], "xbrltype": "domainItemType" }, "ctrm_VoyageExpenseAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Voyage Expense [Abstract]", "terseLabel": "Voyage Expenses [Abstract]" } } }, "localname": "VoyageExpenseAbstract", "nsuri": "http://castormaritime.com/20210630", "presentation": [ "http://castormaritime.com/role/VesselOperatingAndVoyageExpensesDetails" ], "xbrltype": "stringItemType" }, "ctrm_VoyageExpenses": { "auth_ref": [], "calculation": { "http://castormaritime.com/role/UnauditedInterimCondensedConsolidatedStatementsOfComprehensiveIncomeLoss": { "order": 0.0, "parentTag": "us-gaap_CostsAndExpenses", "weight": 1.0 }, "http://castormaritime.com/role/VesselOperatingAndVoyageExpensesDetails": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Voyage expenses consist of: (a) port, canal and bunker expenses that are unique to a particular charter which are paid for by the charterer under the time charter arrangements or by the Company under voyage charter arrangements, and (b) brokerage commissions, which are always paid for by the Company, regardless of charter type.", "label": "Voyage Expenses", "negatedLabel": "Voyage expenses (including $0 and $364,540 to related parties for the six months ended June 30, 2020 and 2021, respectively)", "totalLabel": "Total Voyage expenses" } } }, "localname": "VoyageExpenses", "nsuri": "http://castormaritime.com/20210630", "presentation": [ "http://castormaritime.com/role/UnauditedInterimCondensedConsolidatedStatementsOfComprehensiveIncomeLoss", "http://castormaritime.com/role/VesselOperatingAndVoyageExpensesDetails" ], "xbrltype": "monetaryItemType" }, "ctrm_VoyageExpensesMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Primary financial statement caption encompassing voyage expenses.", "label": "Voyage Expenses [Member]", "terseLabel": "Voyage Expenses [Member]" } } }, "localname": "VoyageExpensesMember", "nsuri": "http://castormaritime.com/20210630", "presentation": [ "http://castormaritime.com/role/TransactionsWithRelatedPartiesCastorShipsDetails", "http://castormaritime.com/role/TransactionsWithRelatedPartiesSummaryDetails" ], "xbrltype": "domainItemType" }, "ctrm_VoyageExpensesRelatedParty": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Costs primarily relating to commissions to related party brokers that are unique to a particular charter.", "label": "Voyage Expenses, Related Party", "terseLabel": "Voyage expenses, related party" } } }, "localname": "VoyageExpensesRelatedParty", "nsuri": "http://castormaritime.com/20210630", "presentation": [ "http://castormaritime.com/role/UnauditedInterimCondensedConsolidatedStatementsOfComprehensiveIncomeLossParenthetical" ], "xbrltype": "monetaryItemType" }, "ctrm_VoyageExpensesTableTextBlock": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Tabular disclosure of voyage expenses.", "label": "Voyage Expenses [Table Text Block]", "terseLabel": "Voyage Expenses" } } }, "localname": "VoyageExpensesTableTextBlock", "nsuri": "http://castormaritime.com/20210630", "presentation": [ "http://castormaritime.com/role/VesselOperatingAndVoyageExpensesTables" ], "xbrltype": "textBlockItemType" }, "ctrm_WonderArcturusMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Vessel with a carrying capacity of 106,149 dwt.", "label": "Wonder Arcturus [Member]", "verboseLabel": "M/T Wonder Arcturus [Member]" } } }, "localname": "WonderArcturusMember", "nsuri": "http://castormaritime.com/20210630", "presentation": [ "http://castormaritime.com/role/BasisOfPresentationAndGeneralInformationVesselOwningSubsidiariesDetails" ], "xbrltype": "domainItemType" }, "ctrm_WonderAviorMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Vessel with a carrying capacity of 106,162 dwt.", "label": "Wonder Avior [Member]", "verboseLabel": "M/T Wonder Avior [Member]" } } }, "localname": "WonderAviorMember", "nsuri": "http://castormaritime.com/20210630", "presentation": [ "http://castormaritime.com/role/BasisOfPresentationAndGeneralInformationVesselOwningSubsidiariesDetails" ], "xbrltype": "domainItemType" }, "ctrm_WonderFormosaMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Vessel with a carrying capacity of 37,562 dwt.", "label": "Wonder Formosa [Member]", "verboseLabel": "M/T Wonder Formosa [Member]" } } }, "localname": "WonderFormosaMember", "nsuri": "http://castormaritime.com/20210630", "presentation": [ "http://castormaritime.com/role/BasisOfPresentationAndGeneralInformationVesselOwningSubsidiariesDetails" ], "xbrltype": "domainItemType" }, "ctrm_WonderMimosaMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Vessel with a carrying capacity of 37,620 dwt.", "label": "Wonder Mimosa [Member]", "terseLabel": "Wonder Mimosa [Member]", "verboseLabel": "M/T Wonder Mimosa [Member]" } } }, "localname": "WonderMimosaMember", "nsuri": "http://castormaritime.com/20210630", "presentation": [ "http://castormaritime.com/role/BasisOfPresentationAndGeneralInformationVesselOwningSubsidiariesDetails", "http://castormaritime.com/role/VesselsNetAdvancesForVesselAcquisitionsVesselAcquisitionsAndOtherCapitalExpendituresDetails" ], "xbrltype": "domainItemType" }, "ctrm_WonderMusicaMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Vessel with a carrying capacity of 106209 dwt.", "label": "Wonder Musica [Member]", "verboseLabel": "M/T Wonder Musica [Member]" } } }, "localname": "WonderMusicaMember", "nsuri": "http://castormaritime.com/20210630", "presentation": [ "http://castormaritime.com/role/BasisOfPresentationAndGeneralInformationVesselOwningSubsidiariesDetails" ], "xbrltype": "domainItemType" }, "ctrm_WonderPolarisAndWonderSiriusMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The Wonder Polaris is a Korean-built Aframax LR2 tankers vessel with a carrying capacity of 115,341 dwt and the Wonder Sirius is a Korean-built Aframax LR2 tankers vessel with a carrying capacity of 115,341 dwt.", "label": "Wonder Polaris and Wonder Sirius [Member]" } } }, "localname": "WonderPolarisAndWonderSiriusMember", "nsuri": "http://castormaritime.com/20210630", "presentation": [ "http://castormaritime.com/role/VesselsNetAdvancesForVesselAcquisitionsVesselAcquisitionsAndOtherCapitalExpendituresDetails" ], "xbrltype": "domainItemType" }, "ctrm_WonderPolarisMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Vessel with a carrying capacity of 115,341 dwt.", "label": "Wonder Polaris [Member]", "terseLabel": "M/T Wonder Polaris [Member]" } } }, "localname": "WonderPolarisMember", "nsuri": "http://castormaritime.com/20210630", "presentation": [ "http://castormaritime.com/role/BasisOfPresentationAndGeneralInformationVesselOwningSubsidiariesDetails" ], "xbrltype": "domainItemType" }, "ctrm_WonderSiriusMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Vessel with a carrying capacity of 115,341 dwt.", "label": "Wonder Sirius [Member]", "verboseLabel": "M/T Wonder Sirius [Member]" } } }, "localname": "WonderSiriusMember", "nsuri": "http://castormaritime.com/20210630", "presentation": [ "http://castormaritime.com/role/BasisOfPresentationAndGeneralInformationVesselOwningSubsidiariesDetails" ], "xbrltype": "domainItemType" }, "ctrm_WonderVegaMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Vessel with a carrying capacity of 106,062 dwt.", "label": "Wonder Vega [Member]", "terseLabel": "Wonder Vega [Member]", "verboseLabel": "M/T Wonder Vega [Member]" } } }, "localname": "WonderVegaMember", "nsuri": "http://castormaritime.com/20210630", "presentation": [ "http://castormaritime.com/role/BasisOfPresentationAndGeneralInformationVesselOwningSubsidiariesDetails", "http://castormaritime.com/role/VesselsNetAdvancesForVesselAcquisitionsVesselAcquisitionsAndOtherCapitalExpendituresDetails" ], "xbrltype": "domainItemType" }, "ctrm_WorkingCapitalAdvancesMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Working capital advances made to Pavimar and its subcontractor third-party managers for operating expenses paid in advance.", "label": "Working Capital Advances [Member]", "terseLabel": "Working Capital Advances [Member]" } } }, "localname": "WorkingCapitalAdvancesMember", "nsuri": "http://castormaritime.com/20210630", "presentation": [ "http://castormaritime.com/role/TransactionsWithRelatedPartiesPavimarDetails" ], "xbrltype": "domainItemType" }, "ctrm_WorkingCapitalGuaranteeDeposits": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount of working capital guaranteed deposits paid to the related party.", "label": "Working Capital Guarantee Deposits", "terseLabel": "Working capital guarantee deposits" } } }, "localname": "WorkingCapitalGuaranteeDeposits", "nsuri": "http://castormaritime.com/20210630", "presentation": [ "http://castormaritime.com/role/TransactionsWithRelatedPartiesPavimarDetails" ], "xbrltype": "monetaryItemType" }, "ctrm_XavierShippingCoMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Wholly-owned subsidiary of the Company, incorporated in the Marshall Islands.", "label": "Xavier Shipping Co. [Member]", "terseLabel": "Xavier Shipping Co. [Member]" } } }, "localname": "XavierShippingCoMember", "nsuri": "http://castormaritime.com/20210630", "presentation": [ "http://castormaritime.com/role/BasisOfPresentationAndGeneralInformationVesselOwningSubsidiariesDetails" ], "xbrltype": "domainItemType" }, "dei_AmendmentFlag": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Boolean flag that is true when the XBRL content amends previously-filed or accepted submission.", "label": "Amendment Flag" } } }, "localname": "AmendmentFlag", "nsuri": "http://xbrl.sec.gov/dei/2021", "presentation": [ "http://castormaritime.com/role/DocumentAndEntityInformation" ], "xbrltype": "booleanItemType" }, "dei_CoverAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Cover page.", "label": "Cover [Abstract]" } } }, "localname": "CoverAbstract", "nsuri": "http://xbrl.sec.gov/dei/2021", "xbrltype": "stringItemType" }, "dei_CurrentFiscalYearEndDate": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "End date of current fiscal year in the format --MM-DD.", "label": "Current Fiscal Year End Date" } } }, "localname": "CurrentFiscalYearEndDate", "nsuri": "http://xbrl.sec.gov/dei/2021", "presentation": [ "http://castormaritime.com/role/DocumentAndEntityInformation" ], "xbrltype": "gMonthDayItemType" }, "dei_DocumentPeriodEndDate": { "auth_ref": [], "lang": { "en-us": { "role": { "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.", "label": "Document Period End Date" } } }, "localname": "DocumentPeriodEndDate", "nsuri": "http://xbrl.sec.gov/dei/2021", "presentation": [ "http://castormaritime.com/role/DocumentAndEntityInformation" ], "xbrltype": "dateItemType" }, "dei_DocumentType": { "auth_ref": [], "lang": { "en-us": { "role": { "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'.", "label": "Document Type" } } }, "localname": "DocumentType", "nsuri": "http://xbrl.sec.gov/dei/2021", "presentation": [ "http://castormaritime.com/role/DocumentAndEntityInformation" ], "xbrltype": "submissionTypeItemType" }, "dei_EntityCentralIndexKey": { "auth_ref": [ "r418" ], "lang": { "en-us": { "role": { "documentation": "A unique 10-digit SEC-issued value to identify entities that have filed disclosures with the SEC. It is commonly abbreviated as CIK.", "label": "Entity Central Index Key" } } }, "localname": "EntityCentralIndexKey", "nsuri": "http://xbrl.sec.gov/dei/2021", "presentation": [ "http://castormaritime.com/role/DocumentAndEntityInformation" ], "xbrltype": "centralIndexKeyItemType" }, "dei_EntityDomain": { "auth_ref": [], "lang": { "en-us": { "role": { "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.", "label": "Entity [Domain]" } } }, "localname": "EntityDomain", "nsuri": "http://xbrl.sec.gov/dei/2021", "presentation": [ "http://castormaritime.com/role/BasisOfPresentationAndGeneralInformationGeneralInformationDetails" ], "xbrltype": "domainItemType" }, "dei_EntityIncorporationStateCountryCode": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Two-character EDGAR code representing the state or country of incorporation.", "label": "Entity Incorporation, State or Country Code", "terseLabel": "Country of incorporation" } } }, "localname": "EntityIncorporationStateCountryCode", "nsuri": "http://xbrl.sec.gov/dei/2021", "presentation": [ "http://castormaritime.com/role/BasisOfPresentationAndGeneralInformationVesselOwningSubsidiariesDetails" ], "xbrltype": "edgarStateCountryItemType" }, "dei_EntityRegistrantName": { "auth_ref": [ "r418" ], "lang": { "en-us": { "role": { "documentation": "The exact name of the entity filing the report as specified in its charter, which is required by forms filed with the SEC.", "label": "Entity Registrant Name" } } }, "localname": "EntityRegistrantName", "nsuri": "http://xbrl.sec.gov/dei/2021", "presentation": [ "http://castormaritime.com/role/DocumentAndEntityInformation" ], "xbrltype": "normalizedStringItemType" }, "dei_LegalEntityAxis": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The set of legal entities associated with a report.", "label": "Legal Entity [Axis]" } } }, "localname": "LegalEntityAxis", "nsuri": "http://xbrl.sec.gov/dei/2021", "presentation": [ "http://castormaritime.com/role/BasisOfPresentationAndGeneralInformationGeneralInformationDetails" ], "xbrltype": "stringItemType" }, "srt_ConsolidatedEntitiesAxis": { "auth_ref": [ "r105", "r189", "r194", "r200", "r294", "r295", "r296", "r297", "r337", "r415" ], "lang": { "en-us": { "role": { "label": "Consolidated Entities [Axis]" } } }, "localname": "ConsolidatedEntitiesAxis", "nsuri": "http://fasb.org/srt/2021-01-31", "presentation": [ "http://castormaritime.com/role/BasisOfPresentationAndGeneralInformationVesselOwningSubsidiariesDetails" ], "xbrltype": "stringItemType" }, "srt_ConsolidatedEntitiesDomain": { "auth_ref": [ "r105", "r189", "r194", "r200", "r294", "r295", "r296", "r297", "r337", "r415" ], "lang": { "en-us": { "role": { "label": "Consolidated Entities [Domain]" } } }, "localname": "ConsolidatedEntitiesDomain", "nsuri": "http://fasb.org/srt/2021-01-31", "presentation": [ "http://castormaritime.com/role/BasisOfPresentationAndGeneralInformationVesselOwningSubsidiariesDetails" ], "xbrltype": "domainItemType" }, "srt_MaximumMember": { "auth_ref": [ "r206", "r234", "r282", "r283", "r344", "r345", "r346", "r347", "r348", "r349", "r350", "r402", "r404", "r416", "r417" ], "lang": { "en-us": { "role": { "label": "Maximum [Member]" } } }, "localname": "MaximumMember", "nsuri": "http://fasb.org/srt/2021-01-31", "presentation": [ "http://castormaritime.com/role/EquityCapitalStructureAtthemarketCommonStockOfferingDetails" ], "xbrltype": "domainItemType" }, "srt_MinimumMember": { "auth_ref": [ "r206", "r234", "r282", "r283", "r344", "r345", "r346", "r347", "r348", "r349", "r350", "r402", "r404", "r416", "r417" ], "lang": { "en-us": { "role": { "label": "Minimum [Member]" } } }, "localname": "MinimumMember", "nsuri": "http://fasb.org/srt/2021-01-31", "presentation": [ "http://castormaritime.com/role/EquityCapitalStructureAtthemarketCommonStockOfferingDetails", "http://castormaritime.com/role/TransactionsWithRelatedPartiesPavimarDetails" ], "xbrltype": "domainItemType" }, "srt_ProductOrServiceAxis": { "auth_ref": [ "r165", "r269", "r272", "r351", "r401", "r403" ], "lang": { "en-us": { "role": { "label": "Product and Service [Axis]" } } }, "localname": "ProductOrServiceAxis", "nsuri": "http://fasb.org/srt/2021-01-31", "presentation": [ "http://castormaritime.com/role/VesselRevenuesDetails" ], "xbrltype": "stringItemType" }, "srt_ProductsAndServicesDomain": { "auth_ref": [ "r165", "r269", "r272", "r351", "r401", "r403" ], "lang": { "en-us": { "role": { "label": "Product and Service [Domain]" } } }, "localname": "ProductsAndServicesDomain", "nsuri": "http://fasb.org/srt/2021-01-31", "presentation": [ "http://castormaritime.com/role/VesselRevenuesDetails" ], "xbrltype": "domainItemType" }, "srt_RangeAxis": { "auth_ref": [ "r206", "r234", "r280", "r282", "r283", "r344", "r345", "r346", "r347", "r348", "r349", "r350", "r402", "r404", "r416", "r417" ], "lang": { "en-us": { "role": { "label": "Statistical Measurement [Axis]" } } }, "localname": "RangeAxis", "nsuri": "http://fasb.org/srt/2021-01-31", "presentation": [ "http://castormaritime.com/role/EquityCapitalStructureAtthemarketCommonStockOfferingDetails", "http://castormaritime.com/role/TransactionsWithRelatedPartiesPavimarDetails" ], "xbrltype": "stringItemType" }, "srt_RangeMember": { "auth_ref": [ "r206", "r234", "r280", "r282", "r283", "r344", "r345", "r346", "r347", "r348", "r349", "r350", "r402", "r404", "r416", "r417" ], "lang": { "en-us": { "role": { "label": "Statistical Measurement [Domain]" } } }, "localname": "RangeMember", "nsuri": "http://fasb.org/srt/2021-01-31", "presentation": [ "http://castormaritime.com/role/EquityCapitalStructureAtthemarketCommonStockOfferingDetails", "http://castormaritime.com/role/TransactionsWithRelatedPartiesPavimarDetails" ], "xbrltype": "domainItemType" }, "us-gaap_AccountingPoliciesAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Significant Accounting Policies and Recent Accounting Pronouncements [Abstract]" } } }, "localname": "AccountingPoliciesAbstract", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "xbrltype": "stringItemType" }, "us-gaap_AccountsPayableCurrent": { "auth_ref": [ "r45", "r340" ], "calculation": { "http://castormaritime.com/role/UnauditedInterimConsolidatedBalanceSheets": { "order": 2.0, "parentTag": "us-gaap_LiabilitiesCurrent", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).", "label": "Accounts Payable, Current", "terseLabel": "Accounts payable" } } }, "localname": "AccountsPayableCurrent", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/UnauditedInterimConsolidatedBalanceSheets" ], "xbrltype": "monetaryItemType" }, "us-gaap_AccountsPayableRelatedPartiesCurrent": { "auth_ref": [ "r45", "r104", "r333", "r334" ], "calculation": { "http://castormaritime.com/role/UnauditedInterimConsolidatedBalanceSheets": { "order": 3.0, "parentTag": "us-gaap_LiabilitiesCurrent", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Amount for accounts payable to related parties. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).", "label": "Due to related parties, current", "terseLabel": "Voyage commissions & management fees due" } } }, "localname": "AccountsPayableRelatedPartiesCurrent", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/TransactionsWithRelatedPartiesSummaryDetails", "http://castormaritime.com/role/UnauditedInterimConsolidatedBalanceSheets" ], "xbrltype": "monetaryItemType" }, "us-gaap_AccountsReceivableNetCurrent": { "auth_ref": [ "r5", "r31", "r168", "r169" ], "calculation": { "http://castormaritime.com/role/UnauditedInterimConsolidatedBalanceSheets": { "order": 4.0, "parentTag": "us-gaap_AssetsCurrent", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount, after allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business, classified as current.", "label": "Accounts Receivable, after Allowance for Credit Loss, Current", "terseLabel": "Accounts receivable trade, net" } } }, "localname": "AccountsReceivableNetCurrent", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/UnauditedInterimConsolidatedBalanceSheets" ], "xbrltype": "monetaryItemType" }, "us-gaap_AccruedLiabilitiesCurrent": { "auth_ref": [ "r46" ], "calculation": { "http://castormaritime.com/role/UnauditedInterimConsolidatedBalanceSheets": { "order": 4.0, "parentTag": "us-gaap_LiabilitiesCurrent", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Carrying value as of the balance sheet date of obligations incurred and payable, pertaining to costs that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered. Examples include taxes, interest, rent and utilities. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).", "label": "Accrued Liabilities, Current", "terseLabel": "Accrued liabilities (including $405,000 and $555,833 accrued interest to related party, respectively)" } } }, "localname": "AccruedLiabilitiesCurrent", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/UnauditedInterimConsolidatedBalanceSheets" ], "xbrltype": "monetaryItemType" }, "us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment": { "auth_ref": [ "r42", "r177" ], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.", "label": "Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment", "negatedPeriodEndLabel": "Ending balance", "negatedPeriodStartLabel": "Beginning balance" } } }, "localname": "AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/VesselsNetAdvancesForVesselAcquisitionsNetBookValueDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_AdditionalPaidInCapital": { "auth_ref": [ "r32", "r288", "r340" ], "calculation": { "http://castormaritime.com/role/UnauditedInterimConsolidatedBalanceSheets": { "order": 3.0, "parentTag": "us-gaap_StockholdersEquity", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "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.", "label": "Additional paid-in capital" } } }, "localname": "AdditionalPaidInCapital", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/UnauditedInterimConsolidatedBalanceSheets" ], "xbrltype": "monetaryItemType" }, "us-gaap_AdditionalPaidInCapitalMember": { "auth_ref": [ "r107", "r108", "r109", "r285", "r286", "r287", "r300" ], "lang": { "en-us": { "role": { "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.", "label": "Additional Paid-in Capital [Member]", "terseLabel": "Additional Paid-in Capital [Member]" } } }, "localname": "AdditionalPaidInCapitalMember", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/UnauditedInterimConsolidatedStatementsOfShareholdersEquity" ], "xbrltype": "domainItemType" }, "us-gaap_AdjustmentsToAdditionalPaidInCapitalEquityComponentOfConvertibleDebt": { "auth_ref": [ "r202" ], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Adjustment to additional paid in capital resulting from the recognition of convertible debt instruments as two separate components - a debt component and an equity component. This bifurcation may result in a basis difference associated with the liability component that represents a temporary difference for purposes of applying accounting for income taxes. The initial recognition of deferred taxes for the tax effect of that temporary difference is as an adjustment to additional paid in capital.", "label": "Adjustments to Additional Paid in Capital, Equity Component of Convertible Debt", "terseLabel": "Beneficial conversion feature pursuant to the issuance of the $5.0 Million Convertible Debentures (Note 6)" } } }, "localname": "AdjustmentsToAdditionalPaidInCapitalEquityComponentOfConvertibleDebt", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/UnauditedInterimConsolidatedStatementsOfShareholdersEquity" ], "xbrltype": "monetaryItemType" }, "us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Adjustments to reconcile net (loss)/income to net cash (used in)/provided by Operating activities:" } } }, "localname": "AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/UnauditedInterimConsolidatedStatementsOfCashFlows" ], "xbrltype": "stringItemType" }, "us-gaap_Assets": { "auth_ref": [ "r102", "r149", "r158", "r163", "r171", "r189", "r190", "r191", "r193", "r194", "r195", "r196", "r197", "r198", "r200", "r201", "r294", "r296", "r306", "r338", "r340", "r367", "r386" ], "calculation": { "http://castormaritime.com/role/UnauditedInterimConsolidatedBalanceSheets": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "debit", "lang": { "en-us": { "role": { "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.", "label": "Assets", "totalLabel": "Total assets" } } }, "localname": "Assets", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/UnauditedInterimConsolidatedBalanceSheets" ], "xbrltype": "monetaryItemType" }, "us-gaap_AssetsAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Assets [Abstract]", "terseLabel": "ASSETS", "verboseLabel": "Assets [Abstract]" } } }, "localname": "AssetsAbstract", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/TransactionsWithRelatedPartiesSummaryDetails", "http://castormaritime.com/role/UnauditedInterimConsolidatedBalanceSheets" ], "xbrltype": "stringItemType" }, "us-gaap_AssetsCurrent": { "auth_ref": [ "r7", "r8", "r55", "r102", "r171", "r189", "r190", "r191", "r193", "r194", "r195", "r196", "r197", "r198", "r200", "r201", "r294", "r296", "r306", "r338", "r340" ], "calculation": { "http://castormaritime.com/role/UnauditedInterimConsolidatedBalanceSheets": { "order": 1.0, "parentTag": "us-gaap_Assets", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Sum of the carrying amounts as of the balance sheet date of all assets that are expected to be realized in cash, sold, or consumed within one year (or the normal operating cycle, if longer). Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.", "label": "Assets, Current", "totalLabel": "Total current assets" } } }, "localname": "AssetsCurrent", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/UnauditedInterimConsolidatedBalanceSheets" ], "xbrltype": "monetaryItemType" }, "us-gaap_AssetsCurrentAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "CURRENT ASSETS:" } } }, "localname": "AssetsCurrentAbstract", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/UnauditedInterimConsolidatedBalanceSheets" ], "xbrltype": "stringItemType" }, "us-gaap_AssetsNoncurrent": { "auth_ref": [ "r14", "r15", "r16", "r17", "r18", "r19", "r20", "r21", "r102", "r171", "r189", "r190", "r191", "r193", "r194", "r195", "r196", "r197", "r198", "r200", "r201", "r294", "r296", "r306", "r338" ], "calculation": { "http://castormaritime.com/role/UnauditedInterimConsolidatedBalanceSheets": { "order": 2.0, "parentTag": "us-gaap_Assets", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Sum of the carrying amounts as of the balance sheet date of all assets that are expected to be realized in cash, sold or consumed after one year or beyond the normal operating cycle, if longer.", "label": "Assets, Noncurrent", "totalLabel": "Total non-current assets" } } }, "localname": "AssetsNoncurrent", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/UnauditedInterimConsolidatedBalanceSheets" ], "xbrltype": "monetaryItemType" }, "us-gaap_AssetsNoncurrentAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Assets, Noncurrent [Abstract]", "terseLabel": "NON-CURRENT ASSETS:" } } }, "localname": "AssetsNoncurrentAbstract", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/UnauditedInterimConsolidatedBalanceSheets" ], "xbrltype": "stringItemType" }, "us-gaap_BasisOfAccountingPolicyPolicyTextBlock": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Disclosure of accounting policy for basis of accounting, or basis of presentation, used to prepare the financial statements (for example, US Generally Accepted Accounting Principles, Other Comprehensive Basis of Accounting, IFRS).", "label": "Basis of Accounting, Policy [Policy Text Block]", "terseLabel": "Basis of Presentation" } } }, "localname": "BasisOfAccountingPolicyPolicyTextBlock", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/BasisOfPresentationAndGeneralInformationPolicies" ], "xbrltype": "textBlockItemType" }, "us-gaap_CapitalExpendituresIncurredButNotYetPaid": { "auth_ref": [ "r94", "r95", "r96" ], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Future cash outflow to pay for purchases of fixed assets that have occurred.", "label": "Unpaid vessel acquisition and other vessel improvement costs (included in Accounts payable and Accrued liabilities)" } } }, "localname": "CapitalExpendituresIncurredButNotYetPaid", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/UnauditedInterimConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_CapitalizedContractCostAmortization": { "auth_ref": [ "r174" ], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount of amortization expense for asset recognized from cost incurred to obtain or fulfill contract with customer.", "label": "Capitalized Contract Cost, Amortization", "negatedLabel": "Amortization" } } }, "localname": "CapitalizedContractCostAmortization", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/DeferredChargesNetDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_CapitalizedContractCostNetCurrent": { "auth_ref": [ "r173" ], "calculation": { "http://castormaritime.com/role/UnauditedInterimConsolidatedBalanceSheets": { "order": 3.0, "parentTag": "us-gaap_AssetsCurrent", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount, after accumulated amortization and accumulated impairment loss, of asset recognized from cost incurred to obtain or fulfill contract with customer; classified as current.", "label": "Deferred charges, net" } } }, "localname": "CapitalizedContractCostNetCurrent", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/UnauditedInterimConsolidatedBalanceSheets", "http://castormaritime.com/role/VesselRevenuesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_CapitalizedContractCostNetNoncurrent": { "auth_ref": [ "r173" ], "calculation": { "http://castormaritime.com/role/UnauditedInterimConsolidatedBalanceSheets": { "order": 4.0, "parentTag": "us-gaap_AssetsNoncurrent", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount, after accumulated amortization and accumulated impairment loss, of asset recognized from cost incurred to obtain or fulfill contract with customer; classified as noncurrent.", "label": "Capitalized Contract Cost, Net, Noncurrent", "periodEndLabel": "Balance at end of period", "periodStartLabel": "Balance at beginning of period", "terseLabel": "Deferred charges, net" } } }, "localname": "CapitalizedContractCostNetNoncurrent", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/DeferredChargesNetDetails", "http://castormaritime.com/role/UnauditedInterimConsolidatedBalanceSheets" ], "xbrltype": "monetaryItemType" }, "us-gaap_CashAndCashEquivalentsAtCarryingValue": { "auth_ref": [ "r3", "r39", "r92" ], "calculation": { "http://castormaritime.com/role/UnauditedInterimConsolidatedBalanceSheets": { "order": 1.0, "parentTag": "us-gaap_AssetsCurrent", "weight": 1.0 }, "http://castormaritime.com/role/UnauditedInterimConsolidatedStatementsOfCashFlows": { "order": 0.0, "parentTag": "us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "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.", "label": "Cash and Cash Equivalents, at Carrying Value", "periodEndLabel": "Cash and cash equivalents", "terseLabel": "Cash and cash equivalents" } } }, "localname": "CashAndCashEquivalentsAtCarryingValue", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/UnauditedInterimConsolidatedBalanceSheets", "http://castormaritime.com/role/UnauditedInterimConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents": { "auth_ref": [ "r86", "r92", "r97" ], "calculation": { "http://castormaritime.com/role/UnauditedInterimConsolidatedStatementsOfCashFlows": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount of cash and cash equivalents, and cash and cash equivalents restricted to withdrawal or usage. Excludes amount for 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.", "label": "Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents", "periodEndLabel": "Cash, cash equivalents and restricted cash at the end of the period", "periodStartLabel": "Cash, cash equivalents and restricted cash at the beginning of the period" } } }, "localname": "CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/UnauditedInterimConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "RECONCILIATION OF CASH, CASH EQUIVALENTS AND RESTRICTED CASH" } } }, "localname": "CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsAbstract", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/UnauditedInterimConsolidatedStatementsOfCashFlows" ], "xbrltype": "stringItemType" }, "us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect": { "auth_ref": [ "r86", "r311" ], "calculation": { "http://castormaritime.com/role/UnauditedInterimConsolidatedStatementsOfCashFlows": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "debit", "lang": { "en-us": { "role": { "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.", "label": "Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect", "totalLabel": "Net increase in cash, cash equivalents, and restricted cash" } } }, "localname": "CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/UnauditedInterimConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_ClassOfStockDomain": { "auth_ref": [ "r99", "r102", "r123", "r124", "r125", "r128", "r130", "r139", "r140", "r141", "r171", "r189", "r194", "r195", "r196", "r200", "r201", "r232", "r233", "r237", "r241", "r306", "r419" ], "lang": { "en-us": { "role": { "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.", "label": "Class of Stock [Domain]" } } }, "localname": "ClassOfStockDomain", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/BasisOfPresentationAndGeneralInformationGeneralInformationDetails", "http://castormaritime.com/role/UnauditedInterimConsolidatedBalanceSheets", "http://castormaritime.com/role/UnauditedInterimConsolidatedBalanceSheetsParenthetical", "http://castormaritime.com/role/UnauditedInterimConsolidatedStatementsOfShareholdersEquity" ], "xbrltype": "domainItemType" }, "us-gaap_ClassOfStockLineItems": { "auth_ref": [], "lang": { "en-us": { "role": { "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.", "label": "Class of Stock [Line Items]" } } }, "localname": "ClassOfStockLineItems", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/EquityCapitalStructure2021FirstRegisteredDirectEquityOfferingDetails", "http://castormaritime.com/role/EquityCapitalStructure2021SecondRegisteredDirectEquityOfferingDetails", "http://castormaritime.com/role/EquityCapitalStructure2021ThirdRegisteredDirectEquityOfferingDetails", "http://castormaritime.com/role/EquityCapitalStructureAtthemarketCommonStockOfferingDetails", "http://castormaritime.com/role/EquityCapitalStructureIssuanceOfCommonStockInConnectionWithClassWarrantsAndJuly2020EquityOfferingWarrantsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_ClassOfWarrantOrRightAxis": { "auth_ref": [ "r257", "r284" ], "lang": { "en-us": { "role": { "documentation": "Information by type of warrant or right issued.", "label": "Class of Warrant or Right [Axis]" } } }, "localname": "ClassOfWarrantOrRightAxis", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/EquityCapitalStructure2021FirstRegisteredDirectEquityOfferingDetails", "http://castormaritime.com/role/EquityCapitalStructure2021SecondRegisteredDirectEquityOfferingDetails", "http://castormaritime.com/role/EquityCapitalStructure2021ThirdRegisteredDirectEquityOfferingDetails", "http://castormaritime.com/role/EquityCapitalStructureIssuanceOfCommonStockInConnectionWithClassWarrantsAndJuly2020EquityOfferingWarrantsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_ClassOfWarrantOrRightDomain": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Name of the class or type of warrant or right outstanding. Warrants and rights represent derivative securities that give the holder the right to purchase securities (usually equity) from the issuer at a specific price within a certain time frame. Warrants are often included in a new debt issue to entice investors by a higher return potential. The main difference between warrants and call options is that warrants are issued and guaranteed by the company, whereas options are exchange instruments and are not issued by the company. Also, the lifetime of a warrant is often measured in years, while the lifetime of a typical option is measured in months.", "label": "Class of Warrant or Right [Domain]" } } }, "localname": "ClassOfWarrantOrRightDomain", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/EquityCapitalStructure2021FirstRegisteredDirectEquityOfferingDetails", "http://castormaritime.com/role/EquityCapitalStructure2021SecondRegisteredDirectEquityOfferingDetails", "http://castormaritime.com/role/EquityCapitalStructure2021ThirdRegisteredDirectEquityOfferingDetails", "http://castormaritime.com/role/EquityCapitalStructureIssuanceOfCommonStockInConnectionWithClassWarrantsAndJuly2020EquityOfferingWarrantsDetails" ], "xbrltype": "domainItemType" }, "us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1": { "auth_ref": [ "r249" ], "lang": { "en-us": { "role": { "documentation": "Exercise price per share or per unit of warrants or rights outstanding.", "label": "Warrant exercise price (in dollars per share)" } } }, "localname": "ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/EquityCapitalStructure2021FirstRegisteredDirectEquityOfferingDetails", "http://castormaritime.com/role/EquityCapitalStructure2021SecondRegisteredDirectEquityOfferingDetails", "http://castormaritime.com/role/EquityCapitalStructure2021ThirdRegisteredDirectEquityOfferingDetails" ], "xbrltype": "perShareItemType" }, "us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights": { "auth_ref": [ "r249" ], "lang": { "en-us": { "role": { "documentation": "Number of securities into which the class of warrant or right may be converted. For example, but not limited to, 500,000 warrants may be converted into 1,000,000 shares.", "label": "Number of securities called by warrants (in shares)" } } }, "localname": "ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/EquityCapitalStructure2021FirstRegisteredDirectEquityOfferingDetails", "http://castormaritime.com/role/EquityCapitalStructure2021SecondRegisteredDirectEquityOfferingDetails", "http://castormaritime.com/role/EquityCapitalStructure2021ThirdRegisteredDirectEquityOfferingDetails" ], "xbrltype": "sharesItemType" }, "us-gaap_ClassOfWarrantOrRightOutstanding": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Number of warrants or rights outstanding.", "label": "Warrants outstanding (in shares)" } } }, "localname": "ClassOfWarrantOrRightOutstanding", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/EquityCapitalStructure2021ThirdRegisteredDirectEquityOfferingDetails" ], "xbrltype": "sharesItemType" }, "us-gaap_CommitmentsAndContingencies": { "auth_ref": [ "r49", "r186", "r372", "r394" ], "calculation": { "http://castormaritime.com/role/UnauditedInterimConsolidatedBalanceSheets": { "order": 1.0, "parentTag": "us-gaap_LiabilitiesAndStockholdersEquity", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Represents the caption on the face of the balance sheet to indicate that the entity has entered into (1) purchase or supply arrangements that will require expending a portion of its resources to meet the terms thereof, and (2) is exposed to potential losses or, less frequently, gains, arising from (a) possible claims against a company's resources due to future performance under contract terms, and (b) possible losses or likely gains from uncertainties that will ultimately be resolved when one or more future events that are deemed likely to occur do occur or fail to occur.", "label": "Commitments and contingencies" } } }, "localname": "CommitmentsAndContingencies", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/UnauditedInterimConsolidatedBalanceSheets" ], "xbrltype": "monetaryItemType" }, "us-gaap_CommitmentsAndContingenciesDisclosureAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Commitments and contingencies [Abstract]" } } }, "localname": "CommitmentsAndContingenciesDisclosureAbstract", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "xbrltype": "stringItemType" }, "us-gaap_CommitmentsAndContingenciesDisclosureTextBlock": { "auth_ref": [ "r183", "r184", "r185", "r187", "r411" ], "lang": { "en-us": { "role": { "documentation": "The entire disclosure for commitments and contingencies.", "label": "Commitments and Contingencies Disclosure [Text Block]", "terseLabel": "Commitments and contingencies" } } }, "localname": "CommitmentsAndContingenciesDisclosureTextBlock", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/CommitmentsAndContingencies" ], "xbrltype": "textBlockItemType" }, "us-gaap_CommonStockMember": { "auth_ref": [ "r107", "r108", "r300" ], "lang": { "en-us": { "role": { "documentation": "Stock that is subordinate to all other stock of the issuer.", "label": "Common Stock [Member]", "verboseLabel": "Common Shares [Member]" } } }, "localname": "CommonStockMember", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/EquityCapitalStructureAtthemarketCommonStockOfferingDetails", "http://castormaritime.com/role/UnauditedInterimConsolidatedStatementsOfShareholdersEquity" ], "xbrltype": "domainItemType" }, "us-gaap_CommonStockNumberOfSharesParValueAndOtherDisclosuresAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Common Shares [Abstract]" } } }, "localname": "CommonStockNumberOfSharesParValueAndOtherDisclosuresAbstract", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/EquityCapitalStructureAtthemarketCommonStockOfferingDetails" ], "xbrltype": "stringItemType" }, "us-gaap_CommonStockParOrStatedValuePerShare": { "auth_ref": [ "r29" ], "lang": { "en-us": { "role": { "documentation": "Face amount or stated value per share of common stock.", "label": "Common shares, par value (in dollars per share)", "terseLabel": "Common shares, par value (in dollars per share)" } } }, "localname": "CommonStockParOrStatedValuePerShare", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/EquityCapitalStructureReverseStockSplitDetails", "http://castormaritime.com/role/UnauditedInterimConsolidatedBalanceSheetsParenthetical" ], "xbrltype": "perShareItemType" }, "us-gaap_CommonStockSharesAuthorized": { "auth_ref": [ "r29" ], "lang": { "en-us": { "role": { "documentation": "The maximum number of common shares permitted to be issued by an entity's charter and bylaws.", "label": "Common shares, shares authorized (in shares)" } } }, "localname": "CommonStockSharesAuthorized", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/EquityCapitalStructureCapitalStockDetails", "http://castormaritime.com/role/UnauditedInterimConsolidatedBalanceSheetsParenthetical" ], "xbrltype": "sharesItemType" }, "us-gaap_CommonStockSharesIssued": { "auth_ref": [ "r29" ], "lang": { "en-us": { "role": { "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.", "label": "Common Stock, Shares, Issued", "terseLabel": "Common shares, shares issued (in shares)" } } }, "localname": "CommonStockSharesIssued", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/UnauditedInterimConsolidatedBalanceSheetsParenthetical" ], "xbrltype": "sharesItemType" }, "us-gaap_CommonStockSharesOutstanding": { "auth_ref": [ "r29", "r248" ], "lang": { "en-us": { "role": { "documentation": "Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.", "label": "Common shares, shares outstanding (in shares)", "verboseLabel": "Number of outstanding common shares (in shares)" } } }, "localname": "CommonStockSharesOutstanding", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/EquityCapitalStructureReverseStockSplitDetails", "http://castormaritime.com/role/UnauditedInterimConsolidatedBalanceSheetsParenthetical" ], "xbrltype": "sharesItemType" }, "us-gaap_CommonStockValue": { "auth_ref": [ "r29", "r340" ], "calculation": { "http://castormaritime.com/role/UnauditedInterimConsolidatedBalanceSheets": { "order": 2.0, "parentTag": "us-gaap_StockholdersEquity", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "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.", "label": "Common shares, $0.001 par value; 1,950,000,000 shares authorized; 13,121,238 shares issued and outstanding as of December 31, 2020 and 93,519,255 issued and outstanding as of June 30, 2021" } } }, "localname": "CommonStockValue", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/UnauditedInterimConsolidatedBalanceSheets" ], "xbrltype": "monetaryItemType" }, "us-gaap_ComprehensiveIncomeNetOfTax": { "auth_ref": [ "r57", "r59", "r60", "r68", "r375", "r397" ], "calculation": { "http://castormaritime.com/role/UnauditedInterimCondensedConsolidatedStatementsOfComprehensiveIncomeLoss": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "credit", "lang": { "en-us": { "role": { "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.", "label": "Comprehensive (loss)/income", "totalLabel": "Comprehensive (loss)/income" } } }, "localname": "ComprehensiveIncomeNetOfTax", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/EarningsLossPerShareDetails", "http://castormaritime.com/role/UnauditedInterimCondensedConsolidatedStatementsOfComprehensiveIncomeLoss" ], "xbrltype": "monetaryItemType" }, "us-gaap_ContractWithCustomerLiabilityCurrent": { "auth_ref": [ "r259", "r260", "r270" ], "calculation": { "http://castormaritime.com/role/UnauditedInterimConsolidatedBalanceSheets": { "order": 1.0, "parentTag": "us-gaap_LiabilitiesCurrent", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable, classified as current.", "label": "Deferred revenue, net" } } }, "localname": "ContractWithCustomerLiabilityCurrent", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/UnauditedInterimConsolidatedBalanceSheets" ], "xbrltype": "monetaryItemType" }, "us-gaap_ContractualObligationDueInNextTwelveMonths": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Amount of contractual obligation 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).", "label": "Contractual purchase obligations due in 2022" } } }, "localname": "ContractualObligationDueInNextTwelveMonths", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/CommitmentsAndContingenciesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_ContractualObligationFutureMinimumPaymentsDueRemainderOfFiscalYear": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Amount of contractual obligation to be paid in remainder of current fiscal year.", "label": "Contractual purchase obligations due in 2021" } } }, "localname": "ContractualObligationFutureMinimumPaymentsDueRemainderOfFiscalYear", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/CommitmentsAndContingenciesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_CostsAndExpenses": { "auth_ref": [ "r74" ], "calculation": { "http://castormaritime.com/role/UnauditedInterimCondensedConsolidatedStatementsOfComprehensiveIncomeLoss": { "order": 2.0, "parentTag": "us-gaap_OperatingIncomeLoss", "weight": -1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Total costs of sales and operating expenses for the period.", "label": "Costs and Expenses", "negatedTotalLabel": "Total expenses" } } }, "localname": "CostsAndExpenses", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/UnauditedInterimCondensedConsolidatedStatementsOfComprehensiveIncomeLoss" ], "xbrltype": "monetaryItemType" }, "us-gaap_CostsAndExpensesAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Costs and Expenses [Abstract]", "terseLabel": "EXPENSES:" } } }, "localname": "CostsAndExpensesAbstract", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/UnauditedInterimCondensedConsolidatedStatementsOfComprehensiveIncomeLoss", "http://castormaritime.com/role/UnauditedInterimCondensedConsolidatedStatementsOfComprehensiveIncomeLossParenthetical" ], "xbrltype": "stringItemType" }, "us-gaap_DebtConversionConvertedInstrumentAmount1": { "auth_ref": [ "r94", "r96" ], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The value of the financial instrument(s) that the original debt is being converted into in a noncash (or part noncash) transaction. \"Part noncash\" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.", "label": "Debt Conversion, Converted Instrument, Amount", "terseLabel": "Shares issued in connection with the settlement of the $5.0 Million Convertible Debentures" } } }, "localname": "DebtConversionConvertedInstrumentAmount1", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/UnauditedInterimConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_DebtDisclosureAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Long-Term Debt [Abstract]" } } }, "localname": "DebtDisclosureAbstract", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "xbrltype": "stringItemType" }, "us-gaap_DebtInstrumentAxis": { "auth_ref": [ "r22", "r23", "r24", "r101", "r105", "r203", "r204", "r205", "r206", "r207", "r208", "r209", "r210", "r211", "r212", "r213", "r214", "r215", "r216", "r217", "r218", "r219", "r224", "r225", "r226", "r227", "r324", "r368", "r369", "r384" ], "lang": { "en-us": { "role": { "documentation": "Information by type of debt instrument, including, but not limited to, draws against credit facilities.", "label": "Debt Instrument [Axis]" } } }, "localname": "DebtInstrumentAxis", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/FinancialInstrumentsAndFairValueDisclosuresDetails", "http://castormaritime.com/role/LongtermDebt110MillionTermLoanFacilityDetails", "http://castormaritime.com/role/LongtermDebt153MillionTermLoanFacilityDetails", "http://castormaritime.com/role/LongtermDebt180MillionTermLoanFacilityDetails", "http://castormaritime.com/role/LongtermDebt45MillionTermLoanFacilityDetails", "http://castormaritime.com/role/LongtermDebtAnnualPrincipalPaymentsDetails", "http://castormaritime.com/role/LongtermDebtLongtermDebtIncludingRelatedPartyDebtDetails", "http://castormaritime.com/role/SubsequentEventsDetails", "http://castormaritime.com/role/TransactionsWithRelatedPartiesSummaryDetails", "http://castormaritime.com/role/TransactionsWithRelatedPartiesThalassaDetails", "http://castormaritime.com/role/UnauditedInterimConsolidatedStatementsOfCashFlowsParenthetical", "http://castormaritime.com/role/UnauditedInterimConsolidatedStatementsOfShareholdersEquityParenthetical" ], "xbrltype": "stringItemType" }, "us-gaap_DebtInstrumentCarryingAmount": { "auth_ref": [ "r24", "r221", "r369", "r384" ], "calculation": { "http://castormaritime.com/role/LongtermDebtAnnualPrincipalPaymentsDetails": { "order": null, "parentTag": null, "root": true, "weight": null }, "http://castormaritime.com/role/LongtermDebtLongtermDebtIncludingRelatedPartyDebtDetails": { "order": 1.0, "parentTag": "us-gaap_LongTermDebt", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.", "label": "Long-term Debt, Gross", "terseLabel": "Long-term debt", "totalLabel": "Total long-term debt" } } }, "localname": "DebtInstrumentCarryingAmount", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/LongtermDebtAnnualPrincipalPaymentsDetails", "http://castormaritime.com/role/LongtermDebtLongtermDebtIncludingRelatedPartyDebtDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DebtInstrumentFaceAmount": { "auth_ref": [ "r203", "r224", "r225", "r322", "r324", "r325" ], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Face (par) amount of debt instrument at time of issuance.", "label": "Face amount", "terseLabel": "Face amount" } } }, "localname": "DebtInstrumentFaceAmount", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/FinancialInstrumentsAndFairValueDisclosuresDetails", "http://castormaritime.com/role/LongtermDebt110MillionTermLoanFacilityDetails", "http://castormaritime.com/role/LongtermDebt153MillionTermLoanFacilityDetails", "http://castormaritime.com/role/LongtermDebt180MillionTermLoanFacilityDetails", "http://castormaritime.com/role/LongtermDebt45MillionTermLoanFacilityDetails", "http://castormaritime.com/role/LongtermDebtAnnualPrincipalPaymentsDetails", "http://castormaritime.com/role/LongtermDebtLongtermDebtIncludingRelatedPartyDebtDetails", "http://castormaritime.com/role/SubsequentEventsDetails", "http://castormaritime.com/role/TransactionsWithRelatedPartiesThalassaDetails", "http://castormaritime.com/role/UnauditedInterimConsolidatedStatementsOfCashFlowsParenthetical", "http://castormaritime.com/role/UnauditedInterimConsolidatedStatementsOfShareholdersEquityParenthetical" ], "xbrltype": "monetaryItemType" }, "us-gaap_DebtInstrumentFairValueDisclosureAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Debt Instrument, Fair Value Disclosure [Abstract]", "terseLabel": "Long-term debt [Abstract]" } } }, "localname": "DebtInstrumentFairValueDisclosureAbstract", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/FinancialInstrumentsAndFairValueDisclosuresDetails" ], "xbrltype": "stringItemType" }, "us-gaap_DebtInstrumentFrequencyOfPeriodicPayment": { "auth_ref": [ "r48", "r381" ], "lang": { "en-us": { "role": { "documentation": "Description of the frequency of periodic payments (monthly, quarterly, annual).", "label": "Frequency of periodic payment", "terseLabel": "Frequency of periodic payment" } } }, "localname": "DebtInstrumentFrequencyOfPeriodicPayment", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/LongtermDebt153MillionTermLoanFacilityDetails", "http://castormaritime.com/role/LongtermDebt180MillionTermLoanFacilityDetails" ], "xbrltype": "stringItemType" }, "us-gaap_DebtInstrumentIssuer": { "auth_ref": [ "r24", "r249" ], "lang": { "en-us": { "role": { "documentation": "Identification of the contractual issuer of the debt instrument (for example, a subsidiary of the reporting entity).", "label": "Debt Instrument, Issuer", "terseLabel": "Borrowers - Issuers" } } }, "localname": "DebtInstrumentIssuer", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/LongtermDebtLongtermDebtIncludingRelatedPartyDebtDetails" ], "xbrltype": "stringItemType" }, "us-gaap_DebtInstrumentLineItems": { "auth_ref": [], "lang": { "en-us": { "role": { "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.", "label": "Debt Instrument [Line Items]" } } }, "localname": "DebtInstrumentLineItems", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/FinancialInstrumentsAndFairValueDisclosuresDetails", "http://castormaritime.com/role/LongtermDebt110MillionTermLoanFacilityDetails", "http://castormaritime.com/role/LongtermDebt153MillionTermLoanFacilityDetails", "http://castormaritime.com/role/LongtermDebt180MillionTermLoanFacilityDetails", "http://castormaritime.com/role/LongtermDebt45MillionTermLoanFacilityDetails", "http://castormaritime.com/role/LongtermDebtAnnualPrincipalPaymentsDetails", "http://castormaritime.com/role/LongtermDebtLongtermDebtIncludingRelatedPartyDebtDetails" ], "xbrltype": "stringItemType" }, "us-gaap_DebtInstrumentNameDomain": { "auth_ref": [ "r48", "r101", "r105", "r203", "r204", "r205", "r206", "r207", "r208", "r209", "r210", "r211", "r212", "r213", "r214", "r215", "r216", "r217", "r218", "r219", "r224", "r225", "r226", "r227", "r324" ], "lang": { "en-us": { "role": { "documentation": "The name for the particular debt instrument or borrowing that distinguishes it from other debt instruments or borrowings, including draws against credit facilities.", "label": "Debt Instrument, Name [Domain]" } } }, "localname": "DebtInstrumentNameDomain", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/FinancialInstrumentsAndFairValueDisclosuresDetails", "http://castormaritime.com/role/LongtermDebt110MillionTermLoanFacilityDetails", "http://castormaritime.com/role/LongtermDebt153MillionTermLoanFacilityDetails", "http://castormaritime.com/role/LongtermDebt180MillionTermLoanFacilityDetails", "http://castormaritime.com/role/LongtermDebt45MillionTermLoanFacilityDetails", "http://castormaritime.com/role/LongtermDebtAnnualPrincipalPaymentsDetails", "http://castormaritime.com/role/LongtermDebtLongtermDebtIncludingRelatedPartyDebtDetails", "http://castormaritime.com/role/SubsequentEventsDetails", "http://castormaritime.com/role/TransactionsWithRelatedPartiesSummaryDetails", "http://castormaritime.com/role/TransactionsWithRelatedPartiesThalassaDetails", "http://castormaritime.com/role/UnauditedInterimConsolidatedStatementsOfCashFlowsParenthetical", "http://castormaritime.com/role/UnauditedInterimConsolidatedStatementsOfShareholdersEquityParenthetical" ], "xbrltype": "domainItemType" }, "us-gaap_DebtInstrumentPeriodicPayment": { "auth_ref": [ "r48", "r381" ], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount of the required periodic payments including both interest and principal payments.", "label": "Debt Instrument, Periodic Payment", "terseLabel": "Installment payment" } } }, "localname": "DebtInstrumentPeriodicPayment", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/LongtermDebt153MillionTermLoanFacilityDetails", "http://castormaritime.com/role/LongtermDebt180MillionTermLoanFacilityDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DebtInstrumentPeriodicPaymentTermsBalloonPaymentToBePaid": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Amount of payment greater than the preceding installment payments to be paid at final maturity date of debt.", "label": "Balloon installment payable at maturity" } } }, "localname": "DebtInstrumentPeriodicPaymentTermsBalloonPaymentToBePaid", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/LongtermDebt153MillionTermLoanFacilityDetails", "http://castormaritime.com/role/LongtermDebt180MillionTermLoanFacilityDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DebtInstrumentRedemptionPeriodAxis": { "auth_ref": [ "r382" ], "lang": { "en-us": { "role": { "documentation": "Information about timing of debt redemption features under terms of the debt agreement.", "label": "Debt Instrument, Redemption, Period [Axis]" } } }, "localname": "DebtInstrumentRedemptionPeriodAxis", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/LongtermDebt180MillionTermLoanFacilityDetails" ], "xbrltype": "stringItemType" }, "us-gaap_DebtInstrumentRedemptionPeriodDomain": { "auth_ref": [ "r382" ], "lang": { "en-us": { "role": { "documentation": "Period as defined under terms of the debt agreement for debt redemption features.", "label": "Debt Instrument, Redemption, Period [Domain]" } } }, "localname": "DebtInstrumentRedemptionPeriodDomain", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/LongtermDebt180MillionTermLoanFacilityDetails" ], "xbrltype": "domainItemType" }, "us-gaap_DebtInstrumentRedemptionPeriodOneMember": { "auth_ref": [ "r382" ], "lang": { "en-us": { "role": { "documentation": "Period one representing most current period of debt redemption features under terms of the debt agreement.", "label": "Quarterly Installments 1 to 4 [Member]" } } }, "localname": "DebtInstrumentRedemptionPeriodOneMember", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/LongtermDebt180MillionTermLoanFacilityDetails" ], "xbrltype": "domainItemType" }, "us-gaap_DebtInstrumentRedemptionPeriodTwoMember": { "auth_ref": [ "r382" ], "lang": { "en-us": { "role": { "documentation": "Period two representing second most current period of debt redemption features under terms of the debt agreement.", "label": "Quarterly Installments 5 to 16 [Member]" } } }, "localname": "DebtInstrumentRedemptionPeriodTwoMember", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/LongtermDebt180MillionTermLoanFacilityDetails" ], "xbrltype": "domainItemType" }, "us-gaap_DebtInstrumentTable": { "auth_ref": [ "r48", "r101", "r105", "r203", "r204", "r205", "r206", "r207", "r208", "r209", "r210", "r211", "r212", "r213", "r214", "r215", "r216", "r217", "r218", "r219", "r220", "r224", "r225", "r226", "r227", "r249", "r252", "r253", "r254", "r321", "r322", "r324", "r325", "r383" ], "lang": { "en-us": { "role": { "documentation": "A table or schedule providing information pertaining to long-term debt instruments or arrangements, including identification, terms, features, collateral requirements and other information necessary to a fair presentation. These are debt arrangements that originally required repayment more than twelve months after issuance or greater than the normal operating cycle of the company, if longer.", "label": "Schedule of Long-term Debt Instruments [Table]" } } }, "localname": "DebtInstrumentTable", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/FinancialInstrumentsAndFairValueDisclosuresDetails", "http://castormaritime.com/role/LongtermDebt110MillionTermLoanFacilityDetails", "http://castormaritime.com/role/LongtermDebt153MillionTermLoanFacilityDetails", "http://castormaritime.com/role/LongtermDebt180MillionTermLoanFacilityDetails", "http://castormaritime.com/role/LongtermDebt45MillionTermLoanFacilityDetails", "http://castormaritime.com/role/LongtermDebtAnnualPrincipalPaymentsDetails", "http://castormaritime.com/role/LongtermDebtLongtermDebtIncludingRelatedPartyDebtDetails" ], "xbrltype": "stringItemType" }, "us-gaap_DebtInstrumentTerm": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.", "label": "Debt Instrument, Term", "terseLabel": "Term of loan" } } }, "localname": "DebtInstrumentTerm", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/LongtermDebt180MillionTermLoanFacilityDetails", "http://castormaritime.com/role/SubsequentEventsDetails" ], "xbrltype": "durationItemType" }, "us-gaap_DebtInstrumentsAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Debt Instruments [Abstract]", "terseLabel": "Long-Term Debt [Abstract]", "verboseLabel": "Loan Facilities [Abstract]" } } }, "localname": "DebtInstrumentsAbstract", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/LongtermDebt110MillionTermLoanFacilityDetails", "http://castormaritime.com/role/LongtermDebt153MillionTermLoanFacilityDetails", "http://castormaritime.com/role/LongtermDebt180MillionTermLoanFacilityDetails", "http://castormaritime.com/role/LongtermDebt45MillionTermLoanFacilityDetails", "http://castormaritime.com/role/LongtermDebtAnnualPrincipalPaymentsDetails", "http://castormaritime.com/role/LongtermDebtLongtermDebtIncludingRelatedPartyDebtDetails" ], "xbrltype": "stringItemType" }, "us-gaap_DebtWeightedAverageInterestRate": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Weighted average interest rate of debt outstanding.", "label": "Debt, Weighted Average Interest Rate", "terseLabel": "Weighted average interest rate" } } }, "localname": "DebtWeightedAverageInterestRate", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/LongtermDebtAnnualPrincipalPaymentsDetails" ], "xbrltype": "percentItemType" }, "us-gaap_DeferredCostsCapitalizedPrepaidAndOtherAssetsDisclosureAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Deferred charges, net [Abstract]" } } }, "localname": "DeferredCostsCapitalizedPrepaidAndOtherAssetsDisclosureAbstract", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "xbrltype": "stringItemType" }, "us-gaap_DeferredCostsCapitalizedPrepaidAndOtherAssetsDisclosureTextBlock": { "auth_ref": [ "r43" ], "lang": { "en-us": { "role": { "documentation": "Tabular disclosure of the amounts paid in advance for capitalized costs that will be expensed with the passage of time or the occurrence of a triggering event, and will be charged against earnings within one year or the normal operating cycle, if longer; the aggregate carrying amount of current assets, not separately presented elsewhere in the balance sheet; and other deferred costs.", "label": "Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Table Text Block]", "terseLabel": "Deferred Dry-Docking Costs, Net" } } }, "localname": "DeferredCostsCapitalizedPrepaidAndOtherAssetsDisclosureTextBlock", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/DeferredChargesNetTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_DeferredFinanceCostsCurrentNet": { "auth_ref": [ "r54", "r323" ], "calculation": { "http://castormaritime.com/role/LongtermDebtLongtermDebtIncludingRelatedPartyDebtDetails": { "order": 2.0, "parentTag": "us-gaap_SecuredDebtCurrent", "weight": -1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount, after accumulated amortization, of debt issuance costs classified as current. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.", "label": "Debt Issuance Costs, Current, Net", "negatedLabel": "Less: Current portion of deferred finance costs" } } }, "localname": "DeferredFinanceCostsCurrentNet", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/LongtermDebtLongtermDebtIncludingRelatedPartyDebtDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DeferredFinanceCostsNet": { "auth_ref": [ "r43", "r210", "r323" ], "calculation": { "http://castormaritime.com/role/LongtermDebtLongtermDebtIncludingRelatedPartyDebtDetails": { "order": 2.0, "parentTag": "us-gaap_LongTermDebt", "weight": -1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.", "label": "Debt Issuance Costs, Net", "negatedTotalLabel": "Less: Deferred financing costs" } } }, "localname": "DeferredFinanceCostsNet", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/LongtermDebtLongtermDebtIncludingRelatedPartyDebtDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DeferredFinanceCostsNoncurrentNet": { "auth_ref": [ "r43", "r323" ], "calculation": { "http://castormaritime.com/role/LongtermDebtLongtermDebtIncludingRelatedPartyDebtDetails": { "order": 2.0, "parentTag": "us-gaap_DeferredFinanceCostsNet", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount, after accumulated amortization, of debt issuance costs classified as noncurrent. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.", "label": "Debt Issuance Costs, Noncurrent, Net", "negatedLabel": "Less: Non-Current portion of deferred finance costs" } } }, "localname": "DeferredFinanceCostsNoncurrentNet", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/LongtermDebtLongtermDebtIncludingRelatedPartyDebtDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_Depreciation": { "auth_ref": [ "r90", "r175" ], "crdr": "debit", "lang": { "en-us": { "role": { "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.", "label": "Depreciation", "negatedTerseLabel": "Period depreciation" } } }, "localname": "Depreciation", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/VesselsNetAdvancesForVesselAcquisitionsNetBookValueDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_DepreciationDepletionAndAmortization": { "auth_ref": [ "r90", "r147" ], "calculation": { "http://castormaritime.com/role/UnauditedInterimCondensedConsolidatedStatementsOfComprehensiveIncomeLoss": { "order": 3.0, "parentTag": "us-gaap_CostsAndExpenses", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The aggregate expense recognized in the current period that allocates the cost of tangible assets, intangible assets, or depleting assets to periods that benefit from use of the assets.", "label": "Depreciation, Depletion and Amortization", "negatedLabel": "Depreciation and amortization" } } }, "localname": "DepreciationDepletionAndAmortization", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/UnauditedInterimCondensedConsolidatedStatementsOfComprehensiveIncomeLoss" ], "xbrltype": "monetaryItemType" }, "us-gaap_DisaggregationOfRevenueAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Disaggregation of Revenue [Abstract]" } } }, "localname": "DisaggregationOfRevenueAbstract", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/VesselRevenuesDetails" ], "xbrltype": "stringItemType" }, "us-gaap_DisaggregationOfRevenueLineItems": { "auth_ref": [], "lang": { "en-us": { "role": { "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.", "label": "Disaggregation of Revenue [Line Items]" } } }, "localname": "DisaggregationOfRevenueLineItems", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/VesselRevenuesDetails" ], "xbrltype": "stringItemType" }, "us-gaap_DisaggregationOfRevenueTable": { "auth_ref": [ "r269", "r272", "r273", "r274", "r275", "r276", "r277", "r278" ], "lang": { "en-us": { "role": { "documentation": "Disclosure of information about disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor.", "label": "Disaggregation of Revenue [Table]" } } }, "localname": "DisaggregationOfRevenueTable", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/VesselRevenuesDetails" ], "xbrltype": "stringItemType" }, "us-gaap_DisaggregationOfRevenueTableTextBlock": { "auth_ref": [ "r269" ], "lang": { "en-us": { "role": { "documentation": "Tabular disclosure of disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor.", "label": "Disaggregation of Revenue [Table Text Block]", "terseLabel": "Vessel Revenues" } } }, "localname": "DisaggregationOfRevenueTableTextBlock", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/VesselRevenuesTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_DueFromRelatedPartiesCurrent": { "auth_ref": [ "r6", "r15", "r30", "r104", "r192", "r194", "r195", "r199", "r200", "r201", "r332" ], "calculation": { "http://castormaritime.com/role/UnauditedInterimConsolidatedBalanceSheets": { "order": 5.0, "parentTag": "us-gaap_AssetsCurrent", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The aggregate amount of receivables to be collected from related parties where one party can exercise control or significant influence over another party; including affiliates, owners or officers and their immediate families, pension trusts, and so forth, at the financial statement date. which are usually due within one year (or one business cycle).", "label": "Due from related party, current", "terseLabel": "Due from related party", "verboseLabel": "Working capital advances granted - current" } } }, "localname": "DueFromRelatedPartiesCurrent", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/TransactionsWithRelatedPartiesPavimarDetails", "http://castormaritime.com/role/TransactionsWithRelatedPartiesSummaryDetails", "http://castormaritime.com/role/UnauditedInterimConsolidatedBalanceSheets" ], "xbrltype": "monetaryItemType" }, "us-gaap_DueFromRelatedPartiesNoncurrent": { "auth_ref": [ "r40", "r104", "r192", "r194", "r195", "r199", "r200", "r201", "r332" ], "calculation": { "http://castormaritime.com/role/UnauditedInterimConsolidatedBalanceSheets": { "order": 3.0, "parentTag": "us-gaap_AssetsNoncurrent", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Aggregate amount of receivables to be collected from related parties where one party can exercise control or significant influence over another party; including affiliates, owners or officers and their immediate families, pension trusts, and so forth, at the financial statement date. which are usually due after one year (or one business cycle).", "label": "Working capital advances granted - non-current", "terseLabel": "Due from related party, non-current", "verboseLabel": "Due from related party" } } }, "localname": "DueFromRelatedPartiesNoncurrent", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/TransactionsWithRelatedPartiesPavimarDetails", "http://castormaritime.com/role/TransactionsWithRelatedPartiesSummaryDetails", "http://castormaritime.com/role/UnauditedInterimConsolidatedBalanceSheets" ], "xbrltype": "monetaryItemType" }, "us-gaap_EarningsPerShareAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Earnings/ (Loss) Per Share [Abstract]" } } }, "localname": "EarningsPerShareAbstract", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "xbrltype": "stringItemType" }, "us-gaap_EarningsPerShareBasic": { "auth_ref": [ "r69", "r112", "r113", "r114", "r115", "r116", "r120", "r123", "r128", "r129", "r130", "r134", "r135", "r301", "r302", "r376", "r398" ], "lang": { "en-us": { "role": { "documentation": "The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.", "label": "(Loss)/ Earnings per common share, basic (in dollars per share)" } } }, "localname": "EarningsPerShareBasic", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/EarningsLossPerShareDetails", "http://castormaritime.com/role/UnauditedInterimCondensedConsolidatedStatementsOfComprehensiveIncomeLoss" ], "xbrltype": "perShareItemType" }, "us-gaap_EarningsPerShareDiluted": { "auth_ref": [ "r69", "r112", "r113", "r114", "r115", "r116", "r123", "r128", "r129", "r130", "r134", "r135", "r301", "r302", "r376", "r398" ], "lang": { "en-us": { "role": { "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.", "label": "(Loss)/ Earnings per common share, diluted (in dollars per share)" } } }, "localname": "EarningsPerShareDiluted", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/EarningsLossPerShareDetails", "http://castormaritime.com/role/UnauditedInterimCondensedConsolidatedStatementsOfComprehensiveIncomeLoss" ], "xbrltype": "perShareItemType" }, "us-gaap_EarningsPerShareTextBlock": { "auth_ref": [ "r131", "r132", "r133", "r136" ], "lang": { "en-us": { "role": { "documentation": "The entire disclosure for earnings per share.", "label": "Earnings/ (Loss) Per Share" } } }, "localname": "EarningsPerShareTextBlock", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/EarningsLossPerShare" ], "xbrltype": "textBlockItemType" }, "us-gaap_EquityAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Equity Capital Structure [Abstract]" } } }, "localname": "EquityAbstract", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "xbrltype": "stringItemType" }, "us-gaap_EquityComponentDomain": { "auth_ref": [ "r0", "r61", "r62", "r63", "r107", "r108", "r109", "r111", "r117", "r119", "r138", "r172", "r248", "r255", "r285", "r286", "r287", "r290", "r291", "r300", "r312", "r313", "r314", "r315", "r316", "r317", "r405", "r406", "r407", "r421" ], "lang": { "en-us": { "role": { "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.", "label": "Equity Component [Domain]" } } }, "localname": "EquityComponentDomain", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/EquityCapitalStructureAtthemarketCommonStockOfferingDetails", "http://castormaritime.com/role/UnauditedInterimConsolidatedStatementsOfShareholdersEquity" ], "xbrltype": "domainItemType" }, "us-gaap_FairValueDisclosuresAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Financial Instruments and Fair Value Disclosures [Abstract]" } } }, "localname": "FairValueDisclosuresAbstract", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "xbrltype": "stringItemType" }, "us-gaap_FairValueDisclosuresTextBlock": { "auth_ref": [ "r305" ], "lang": { "en-us": { "role": { "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.", "label": "Fair Value Disclosures [Text Block]", "verboseLabel": "Financial Instruments and Fair Value Disclosures" } } }, "localname": "FairValueDisclosuresTextBlock", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/FinancialInstrumentsAndFairValueDisclosures" ], "xbrltype": "textBlockItemType" }, "us-gaap_ForeignCurrencyExchangeRateTranslation1": { "auth_ref": [ "r318", "r319" ], "lang": { "en-us": { "role": { "documentation": "Foreign exchange rate used to translate amounts denominated in functional currency to reporting currency.", "label": "Exchange rate" } } }, "localname": "ForeignCurrencyExchangeRateTranslation1", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/CommitmentsAndContingenciesDetails" ], "xbrltype": "pureItemType" }, "us-gaap_ForeignCurrencyTransactionGainLossBeforeTax": { "auth_ref": [ "r307", "r308", "r309", "r310" ], "calculation": { "http://castormaritime.com/role/UnauditedInterimCondensedConsolidatedStatementsOfComprehensiveIncomeLoss": { "order": 5.0, "parentTag": "us-gaap_NonoperatingIncomeExpense", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Amount before tax of foreign currency transaction realized and unrealized gain (loss) recognized in the income statement.", "label": "Foreign Currency Transaction Gain (Loss), before Tax", "terseLabel": "Foreign exchange losses" } } }, "localname": "ForeignCurrencyTransactionGainLossBeforeTax", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/UnauditedInterimCondensedConsolidatedStatementsOfComprehensiveIncomeLoss" ], "xbrltype": "monetaryItemType" }, "us-gaap_GeneralAndAdministrativeExpense": { "auth_ref": [ "r76" ], "calculation": { "http://castormaritime.com/role/GeneralAndAdministrativeExpensesDetails": { "order": null, "parentTag": null, "root": true, "weight": null }, "http://castormaritime.com/role/UnauditedInterimCondensedConsolidatedStatementsOfComprehensiveIncomeLoss": { "order": 4.0, "parentTag": "us-gaap_CostsAndExpenses", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The aggregate total of expenses of managing and administering the affairs of an entity, including affiliates of the reporting entity, which are not directly or indirectly associated with the manufacture, sale or creation of a product or product line.", "label": "General and Administrative Expense", "negatedLabel": "General and administrative expenses (including $600,000 to related party for the six months ended June 30, 2021)", "totalLabel": "Total" } } }, "localname": "GeneralAndAdministrativeExpense", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/GeneralAndAdministrativeExpensesDetails", "http://castormaritime.com/role/UnauditedInterimCondensedConsolidatedStatementsOfComprehensiveIncomeLoss" ], "xbrltype": "monetaryItemType" }, "us-gaap_GeneralAndAdministrativeExpenseAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "General and Administrative Expenses [Abstract]" } } }, "localname": "GeneralAndAdministrativeExpenseAbstract", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "xbrltype": "stringItemType" }, "us-gaap_GeneralAndAdministrativeExpenseMember": { "auth_ref": [ "r70" ], "lang": { "en-us": { "role": { "documentation": "Primary financial statement caption encompassing general and administrative expense.", "label": "General and Administrative Expenses [Member]" } } }, "localname": "GeneralAndAdministrativeExpenseMember", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/TransactionsWithRelatedPartiesSummaryDetails" ], "xbrltype": "domainItemType" }, "us-gaap_GeneralInsuranceExpense": { "auth_ref": [ "r76" ], "calculation": { "http://castormaritime.com/role/VesselOperatingAndVoyageExpensesDetails": { "order": 4.0, "parentTag": "us-gaap_OperatingCostsAndExpenses", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The expense in the period incurred with respect to protection provided by insurance entities against risks other than risks associated with production (which are allocated to cost of sales).", "label": "General Insurance Expense", "terseLabel": "Insurances" } } }, "localname": "GeneralInsuranceExpense", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/VesselOperatingAndVoyageExpensesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest": { "auth_ref": [ "r66", "r149", "r157", "r159", "r162", "r164", "r364", "r373", "r379", "r399" ], "calculation": { "http://castormaritime.com/role/UnauditedInterimCondensedConsolidatedStatementsOfComprehensiveIncomeLoss": { "order": 1.0, "parentTag": "us-gaap_ComprehensiveIncomeNetOfTax", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "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.", "label": "Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest", "totalLabel": "Net (loss)/income, before taxes" } } }, "localname": "IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/UnauditedInterimCondensedConsolidatedStatementsOfComprehensiveIncomeLoss" ], "xbrltype": "monetaryItemType" }, "us-gaap_IncomeStatementAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "UNAUDITED INTERIM CONDENSED CONSOLIDATED STATEMENTS CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME / (LOSS) [Abstract]" } } }, "localname": "IncomeStatementAbstract", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "xbrltype": "stringItemType" }, "us-gaap_IncomeStatementLocationAxis": { "auth_ref": [ "r180", "r182" ], "lang": { "en-us": { "role": { "documentation": "Information by location in the income statement.", "label": "Income Statement Location [Axis]" } } }, "localname": "IncomeStatementLocationAxis", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/TransactionsWithRelatedPartiesCastorShipsDetails", "http://castormaritime.com/role/TransactionsWithRelatedPartiesSummaryDetails", "http://castormaritime.com/role/TransactionsWithRelatedPartiesThalassaDetails" ], "xbrltype": "stringItemType" }, "us-gaap_IncomeStatementLocationDomain": { "auth_ref": [ "r182" ], "lang": { "en-us": { "role": { "documentation": "Location in the income statement.", "label": "Income Statement Location [Domain]" } } }, "localname": "IncomeStatementLocationDomain", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/TransactionsWithRelatedPartiesCastorShipsDetails", "http://castormaritime.com/role/TransactionsWithRelatedPartiesSummaryDetails", "http://castormaritime.com/role/TransactionsWithRelatedPartiesThalassaDetails" ], "xbrltype": "domainItemType" }, "us-gaap_IncomeTaxExpenseBenefit": { "auth_ref": [ "r103", "r118", "r119", "r148", "r289", "r292", "r293", "r400" ], "calculation": { "http://castormaritime.com/role/UnauditedInterimCondensedConsolidatedStatementsOfComprehensiveIncomeLoss": { "order": 1.0, "parentTag": "us-gaap_NetIncomeLoss", "weight": -1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.", "label": "Income Tax Expense (Benefit)", "negatedLabel": "US Source Income Taxes" } } }, "localname": "IncomeTaxExpenseBenefit", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/UnauditedInterimCondensedConsolidatedStatementsOfComprehensiveIncomeLoss" ], "xbrltype": "monetaryItemType" }, "us-gaap_IncreaseDecreaseInAccountsPayable": { "auth_ref": [ "r89" ], "calculation": { "http://castormaritime.com/role/UnauditedInterimConsolidatedStatementsOfCashFlows": { "order": 13.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The increase (decrease) during the reporting period in the aggregate amount of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business.", "label": "Increase (Decrease) in Accounts Payable", "terseLabel": "Accounts payable" } } }, "localname": "IncreaseDecreaseInAccountsPayable", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/UnauditedInterimConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_IncreaseDecreaseInAccountsReceivable": { "auth_ref": [ "r89" ], "calculation": { "http://castormaritime.com/role/UnauditedInterimConsolidatedStatementsOfCashFlows": { "order": 7.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The increase (decrease) during the reporting period in amount due within one year (or one business cycle) from customers for the credit sale of goods and services.", "label": "Increase in trade accounts receivable", "negatedLabel": "Accounts receivable trade" } } }, "localname": "IncreaseDecreaseInAccountsReceivable", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/UnauditedInterimConsolidatedStatementsOfCashFlows", "http://castormaritime.com/role/VesselRevenuesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_IncreaseDecreaseInAccruedLiabilities": { "auth_ref": [ "r89" ], "calculation": { "http://castormaritime.com/role/UnauditedInterimConsolidatedStatementsOfCashFlows": { "order": 14.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The increase (decrease) during the reporting period in the aggregate amount of expenses incurred but not yet paid.", "label": "Increase (Decrease) in Accrued Liabilities", "terseLabel": "Accrued liabilities" } } }, "localname": "IncreaseDecreaseInAccruedLiabilities", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/UnauditedInterimConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_IncreaseDecreaseInDeferredCharges": { "auth_ref": [ "r89" ], "calculation": { "http://castormaritime.com/role/UnauditedInterimConsolidatedStatementsOfCashFlows": { "order": 11.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "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.", "label": "Increase (Decrease) in Deferred Charges", "negatedLabel": "Dry-dock costs paid" } } }, "localname": "IncreaseDecreaseInDeferredCharges", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/UnauditedInterimConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_IncreaseDecreaseInDeferredRevenue": { "auth_ref": [ "r89" ], "calculation": { "http://castormaritime.com/role/UnauditedInterimConsolidatedStatementsOfCashFlows": { "order": 15.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount of increase (decrease) in deferred income and obligation to transfer product and service to customer for which consideration has been received or is receivable.", "label": "Increase in deferred revenue", "terseLabel": "Deferred revenue" } } }, "localname": "IncreaseDecreaseInDeferredRevenue", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/UnauditedInterimConsolidatedStatementsOfCashFlows", "http://castormaritime.com/role/VesselRevenuesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_IncreaseDecreaseInDueFromRelatedParties": { "auth_ref": [ "r89" ], "calculation": { "http://castormaritime.com/role/UnauditedInterimConsolidatedStatementsOfCashFlows": { "order": 9.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The increase (decrease) during the reporting period in receivables to be collected from other entities that could exert significant influence over the reporting entity.", "label": "Increase (Decrease) in Due from Related Parties", "negatedLabel": "Due from/to related parties" } } }, "localname": "IncreaseDecreaseInDueFromRelatedParties", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/UnauditedInterimConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_IncreaseDecreaseInInventories": { "auth_ref": [ "r89" ], "calculation": { "http://castormaritime.com/role/UnauditedInterimConsolidatedStatementsOfCashFlows": { "order": 8.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The increase (decrease) during the reporting period in the aggregate value of all inventory held by the reporting entity, associated with underlying transactions that are classified as operating activities.", "label": "Increase (Decrease) in Inventories", "negatedLabel": "Inventories" } } }, "localname": "IncreaseDecreaseInInventories", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/UnauditedInterimConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_IncreaseDecreaseInOperatingCapitalAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Changes in operating assets and liabilities:" } } }, "localname": "IncreaseDecreaseInOperatingCapitalAbstract", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/UnauditedInterimConsolidatedStatementsOfCashFlows" ], "xbrltype": "stringItemType" }, "us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets": { "auth_ref": [ "r89" ], "calculation": { "http://castormaritime.com/role/UnauditedInterimConsolidatedStatementsOfCashFlows": { "order": 10.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Amount of increase (decrease) in prepaid expenses, and assets classified as other.", "label": "Increase (Decrease) in Prepaid Expense and Other Assets", "negatedLabel": "Prepaid expenses and other assets" } } }, "localname": "IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/UnauditedInterimConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_IncreaseDecreaseInStockholdersEquityRollForward": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.", "label": "Increase (Decrease) in Shareholders' Equity [Roll Forward]" } } }, "localname": "IncreaseDecreaseInStockholdersEquityRollForward", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/UnauditedInterimConsolidatedStatementsOfShareholdersEquity", "http://castormaritime.com/role/UnauditedInterimConsolidatedStatementsOfShareholdersEquityParenthetical" ], "xbrltype": "stringItemType" }, "us-gaap_InterestAndDebtExpenseAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Interest and Finance Costs [Abstract]" } } }, "localname": "InterestAndDebtExpenseAbstract", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "xbrltype": "stringItemType" }, "us-gaap_InterestExpense": { "auth_ref": [ "r64", "r146", "r320", "r323", "r378" ], "calculation": { "http://castormaritime.com/role/InterestAndFinanceCostsDetails": { "order": null, "parentTag": null, "root": true, "weight": null }, "http://castormaritime.com/role/UnauditedInterimCondensedConsolidatedStatementsOfComprehensiveIncomeLoss": { "order": 3.0, "parentTag": "us-gaap_NonoperatingIncomeExpense", "weight": -1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount of the cost of borrowed funds accounted for as interest expense.", "label": "Interest Expense", "negatedLabel": "Interest and finance costs (including $151,667 and $150,833 to related party for six months ended June 30, 2020 and 2021, respectively)", "totalLabel": "Total" } } }, "localname": "InterestExpense", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/InterestAndFinanceCostsDetails", "http://castormaritime.com/role/UnauditedInterimCondensedConsolidatedStatementsOfComprehensiveIncomeLoss" ], "xbrltype": "monetaryItemType" }, "us-gaap_InterestExpenseDebt": { "auth_ref": [ "r79", "r217", "r223", "r226", "r227" ], "calculation": { "http://castormaritime.com/role/InterestAndFinanceCostsDetails": { "order": 0.0, "parentTag": "us-gaap_InterestExpense", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount of the cost of borrowed funds accounted for as interest expense for debt.", "label": "Interest Expense, Debt", "terseLabel": "Interest on long-term debt" } } }, "localname": "InterestExpenseDebt", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/InterestAndFinanceCostsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_InterestExpenseLongTermDebt": { "auth_ref": [ "r377", "r419", "r420" ], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Aggregate amount of interest paid or due on all long-term debt.", "label": "Interest incurred on long-term debt" } } }, "localname": "InterestExpenseLongTermDebt", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/LongtermDebtAnnualPrincipalPaymentsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_InterestExpenseMember": { "auth_ref": [ "r299" ], "lang": { "en-us": { "role": { "documentation": "Primary financial statement caption encompassing interest expense.", "label": "Interest Expense [Member]", "terseLabel": "Interest and Finance Costs [Member]" } } }, "localname": "InterestExpenseMember", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/TransactionsWithRelatedPartiesSummaryDetails", "http://castormaritime.com/role/TransactionsWithRelatedPartiesThalassaDetails" ], "xbrltype": "domainItemType" }, "us-gaap_InterestExpenseOther": { "auth_ref": [], "calculation": { "http://castormaritime.com/role/InterestAndFinanceCostsDetails": { "order": 5.0, "parentTag": "us-gaap_InterestExpense", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount of interest expense classified as other.", "label": "Other finance charges" } } }, "localname": "InterestExpenseOther", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/InterestAndFinanceCostsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_InterestExpenseRelatedParty": { "auth_ref": [], "calculation": { "http://castormaritime.com/role/InterestAndFinanceCostsDetails": { "order": 1.0, "parentTag": "us-gaap_InterestExpense", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount of interest expense incurred on a debt or other obligation to related party.", "label": "Interest and finance costs, related party", "terseLabel": "Interest expenses", "verboseLabel": "Interest on long-term debt - related party (Note 3 (b))" } } }, "localname": "InterestExpenseRelatedParty", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/InterestAndFinanceCostsDetails", "http://castormaritime.com/role/TransactionsWithRelatedPartiesSummaryDetails", "http://castormaritime.com/role/TransactionsWithRelatedPartiesThalassaDetails", "http://castormaritime.com/role/UnauditedInterimCondensedConsolidatedStatementsOfComprehensiveIncomeLossParenthetical" ], "xbrltype": "monetaryItemType" }, "us-gaap_InterestPaidNet": { "auth_ref": [ "r85", "r87", "r93" ], "crdr": "credit", "lang": { "en-us": { "role": { "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.", "label": "Interest Paid, Excluding Capitalized Interest, Operating Activities", "terseLabel": "Cash paid for interest" } } }, "localname": "InterestPaidNet", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/UnauditedInterimConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_InventoryNet": { "auth_ref": [ "r4", "r53", "r340" ], "calculation": { "http://castormaritime.com/role/UnauditedInterimConsolidatedBalanceSheets": { "order": 6.0, "parentTag": "us-gaap_AssetsCurrent", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or operating cycle, if longer.", "label": "Inventory, Net", "terseLabel": "Inventories" } } }, "localname": "InventoryNet", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/UnauditedInterimConsolidatedBalanceSheets" ], "xbrltype": "monetaryItemType" }, "us-gaap_InvestmentIncomeInterest": { "auth_ref": [ "r77", "r145" ], "calculation": { "http://castormaritime.com/role/UnauditedInterimCondensedConsolidatedStatementsOfComprehensiveIncomeLoss": { "order": 7.0, "parentTag": "us-gaap_NonoperatingIncomeExpense", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Amount before accretion (amortization) of purchase discount (premium) of interest income on nonoperating securities.", "label": "Interest income" } } }, "localname": "InvestmentIncomeInterest", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/UnauditedInterimCondensedConsolidatedStatementsOfComprehensiveIncomeLoss" ], "xbrltype": "monetaryItemType" }, "us-gaap_LaborAndRelatedExpense": { "auth_ref": [ "r73" ], "calculation": { "http://castormaritime.com/role/VesselOperatingAndVoyageExpensesDetails": { "order": 1.0, "parentTag": "us-gaap_OperatingCostsAndExpenses", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount of expense for salary, wage, profit sharing; incentive and equity-based compensation; and other employee benefit.", "label": "Crew & crew related costs" } } }, "localname": "LaborAndRelatedExpense", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/VesselOperatingAndVoyageExpensesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_LessorOperatingLeasePaymentsFiscalYearMaturityAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Future Minimum Contracted Lease Payments [Abstract]" } } }, "localname": "LessorOperatingLeasePaymentsFiscalYearMaturityAbstract", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/CommitmentsAndContingenciesDetails" ], "xbrltype": "stringItemType" }, "us-gaap_LessorOperatingLeasePaymentsToBeReceived": { "auth_ref": [ "r327" ], "calculation": { "http://castormaritime.com/role/CommitmentsAndContingenciesDetails": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount of lease payments to be received by lessor for operating lease.", "label": "Lessor, Operating Lease, Payments to be Received", "totalLabel": "Total" } } }, "localname": "LessorOperatingLeasePaymentsToBeReceived", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/CommitmentsAndContingenciesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_LessorOperatingLeasePaymentsToBeReceivedMaturityTableTextBlock": { "auth_ref": [ "r327" ], "lang": { "en-us": { "role": { "documentation": "Tabular disclosure of maturity of undiscounted cash flows to be received by lessor on annual basis for operating lease.", "label": "Lessor, Operating Lease, Payment to be Received, Fiscal Year Maturity [Table Text Block]", "terseLabel": "Future Minimum Contractual Lease Payments" } } }, "localname": "LessorOperatingLeasePaymentsToBeReceivedMaturityTableTextBlock", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/CommitmentsAndContingenciesTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_LessorOperatingLeasePaymentsToBeReceivedNextTwelveMonths": { "auth_ref": [ "r327" ], "calculation": { "http://castormaritime.com/role/CommitmentsAndContingenciesDetails": { "order": 0.0, "parentTag": "us-gaap_LessorOperatingLeasePaymentsToBeReceived", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount of lease payment to be received by lessor for operating lease 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).", "label": "Lessor, Operating Lease, Payment to be Received, Year One", "verboseLabel": "2022" } } }, "localname": "LessorOperatingLeasePaymentsToBeReceivedNextTwelveMonths", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/CommitmentsAndContingenciesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_LiabilitiesAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Liabilities [Abstract]" } } }, "localname": "LiabilitiesAbstract", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/TransactionsWithRelatedPartiesSummaryDetails" ], "xbrltype": "stringItemType" }, "us-gaap_LiabilitiesAndStockholdersEquity": { "auth_ref": [ "r36", "r102", "r171", "r306", "r340", "r371", "r392" ], "calculation": { "http://castormaritime.com/role/UnauditedInterimConsolidatedBalanceSheets": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Amount of liabilities and equity items, including the portion of equity attributable to noncontrolling interests, if any.", "label": "Liabilities and Equity", "totalLabel": "Total liabilities and shareholders' equity" } } }, "localname": "LiabilitiesAndStockholdersEquity", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/UnauditedInterimConsolidatedBalanceSheets" ], "xbrltype": "monetaryItemType" }, "us-gaap_LiabilitiesAndStockholdersEquityAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Liabilities and Equity [Abstract]", "terseLabel": "LIABILITIES AND SHAREHOLDERS' EQUITY" } } }, "localname": "LiabilitiesAndStockholdersEquityAbstract", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/UnauditedInterimConsolidatedBalanceSheets", "http://castormaritime.com/role/UnauditedInterimConsolidatedBalanceSheetsParenthetical" ], "xbrltype": "stringItemType" }, "us-gaap_LiabilitiesCurrent": { "auth_ref": [ "r47", "r102", "r171", "r189", "r190", "r191", "r194", "r195", "r196", "r197", "r198", "r200", "r201", "r295", "r296", "r297", "r306", "r338", "r339", "r340" ], "calculation": { "http://castormaritime.com/role/UnauditedInterimConsolidatedBalanceSheets": { "order": 4.0, "parentTag": "us-gaap_LiabilitiesAndStockholdersEquity", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Total obligations incurred as part of normal operations that are expected to be paid during the following twelve months or within one business cycle, if longer.", "label": "Liabilities, Current", "totalLabel": "Total current liabilities" } } }, "localname": "LiabilitiesCurrent", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/UnauditedInterimConsolidatedBalanceSheets" ], "xbrltype": "monetaryItemType" }, "us-gaap_LiabilitiesCurrentAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "CURRENT LIABILITIES:", "terseLabel": "CURRENT LIABILITIES:" } } }, "localname": "LiabilitiesCurrentAbstract", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/UnauditedInterimConsolidatedBalanceSheets", "http://castormaritime.com/role/UnauditedInterimConsolidatedBalanceSheetsParenthetical" ], "xbrltype": "stringItemType" }, "us-gaap_LiabilitiesNoncurrent": { "auth_ref": [ "r10", "r11", "r12", "r24", "r25", "r102", "r171", "r189", "r190", "r191", "r194", "r195", "r196", "r197", "r198", "r200", "r201", "r295", "r296", "r297", "r306", "r338", "r339" ], "calculation": { "http://castormaritime.com/role/UnauditedInterimConsolidatedBalanceSheets": { "order": 2.0, "parentTag": "us-gaap_LiabilitiesAndStockholdersEquity", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Amount of obligation due after one year or beyond the normal operating cycle, if longer.", "label": "Liabilities, Noncurrent", "totalLabel": "Total non-current liabilities" } } }, "localname": "LiabilitiesNoncurrent", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/UnauditedInterimConsolidatedBalanceSheets" ], "xbrltype": "monetaryItemType" }, "us-gaap_LiabilitiesNoncurrentAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "NON-CURRENT LIABILITIES:" } } }, "localname": "LiabilitiesNoncurrentAbstract", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/UnauditedInterimConsolidatedBalanceSheets" ], "xbrltype": "stringItemType" }, "us-gaap_LongTermDebt": { "auth_ref": [ "r24", "r211", "r222", "r224", "r225", "r369", "r388" ], "calculation": { "http://castormaritime.com/role/LongtermDebtLongtermDebtIncludingRelatedPartyDebtDetails": { "order": null, "parentTag": null, "root": true, "weight": null }, "http://castormaritime.com/role/LongtermDebtLongtermDebtIncludingRelatedPartyDebtDetailsCalc2": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.", "label": "Long-term Debt", "totalLabel": "Total long-term debt, net of deferred finance costs" } } }, "localname": "LongTermDebt", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/LongtermDebtLongtermDebtIncludingRelatedPartyDebtDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_LongTermDebtByCurrentAndNoncurrentAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Long-term Debt, by Current and Noncurrent [Abstract]", "terseLabel": "Presented [Abstract]", "verboseLabel": "Debt Financings [Abstract]" } } }, "localname": "LongTermDebtByCurrentAndNoncurrentAbstract", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/LongtermDebtLongtermDebtIncludingRelatedPartyDebtDetails", "http://castormaritime.com/role/SubsequentEventsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_LongTermDebtByMaturityAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Annual Principal Payments [Abstract]" } } }, "localname": "LongTermDebtByMaturityAbstract", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/LongtermDebtAnnualPrincipalPaymentsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths": { "auth_ref": [ "r105", "r188", "r215" ], "calculation": { "http://castormaritime.com/role/LongtermDebtAnnualPrincipalPaymentsDetails": { "order": 1.0, "parentTag": "us-gaap_DebtInstrumentCarryingAmount", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and 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).", "label": "Long-Term Debt, Maturity, Year One", "terseLabel": "2022" } } }, "localname": "LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/LongtermDebtAnnualPrincipalPaymentsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour": { "auth_ref": [ "r105", "r188", "r215" ], "calculation": { "http://castormaritime.com/role/LongtermDebtAnnualPrincipalPaymentsDetails": { "order": 4.0, "parentTag": "us-gaap_DebtInstrumentCarryingAmount", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, 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).", "label": "Long-Term Debt, Maturity, Year Four", "terseLabel": "2025" } } }, "localname": "LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/LongtermDebtAnnualPrincipalPaymentsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree": { "auth_ref": [ "r105", "r188", "r215" ], "calculation": { "http://castormaritime.com/role/LongtermDebtAnnualPrincipalPaymentsDetails": { "order": 3.0, "parentTag": "us-gaap_DebtInstrumentCarryingAmount", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, 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).", "label": "Long-Term Debt, Maturity, Year Three", "terseLabel": "2024" } } }, "localname": "LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/LongtermDebtAnnualPrincipalPaymentsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo": { "auth_ref": [ "r105", "r188", "r215" ], "calculation": { "http://castormaritime.com/role/LongtermDebtAnnualPrincipalPaymentsDetails": { "order": 2.0, "parentTag": "us-gaap_DebtInstrumentCarryingAmount", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, 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).", "label": "Long-Term Debt, Maturity, Year Two", "terseLabel": "2023" } } }, "localname": "LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/LongtermDebtAnnualPrincipalPaymentsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_LongTermDebtTextBlock": { "auth_ref": [ "r228" ], "lang": { "en-us": { "role": { "documentation": "The entire disclosure for long-term debt.", "label": "Long-term Debt [Text Block]", "terseLabel": "Long-Term Debt" } } }, "localname": "LongTermDebtTextBlock", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/LongtermDebt" ], "xbrltype": "textBlockItemType" }, "us-gaap_MeasurementInputPriceVolatilityMember": { "auth_ref": [ "r303" ], "lang": { "en-us": { "role": { "documentation": "Measurement input using rate at which price of security will increase (decrease) for given set of returns.", "label": "Historical Volatility Measurement Input [Member]" } } }, "localname": "MeasurementInputPriceVolatilityMember", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/EquityCapitalStructure2021FirstRegisteredDirectEquityOfferingDetails", "http://castormaritime.com/role/EquityCapitalStructure2021SecondRegisteredDirectEquityOfferingDetails", "http://castormaritime.com/role/EquityCapitalStructure2021ThirdRegisteredDirectEquityOfferingDetails" ], "xbrltype": "domainItemType" }, "us-gaap_MeasurementInputTypeAxis": { "auth_ref": [ "r303" ], "lang": { "en-us": { "role": { "documentation": "Information by type of measurement input used to determine value of asset and liability.", "label": "Measurement Input Type [Axis]" } } }, "localname": "MeasurementInputTypeAxis", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/EquityCapitalStructure2021FirstRegisteredDirectEquityOfferingDetails", "http://castormaritime.com/role/EquityCapitalStructure2021SecondRegisteredDirectEquityOfferingDetails", "http://castormaritime.com/role/EquityCapitalStructure2021ThirdRegisteredDirectEquityOfferingDetails" ], "xbrltype": "stringItemType" }, "us-gaap_MeasurementInputTypeDomain": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Measurement input used to determine value of asset and liability.", "label": "Measurement Input Type [Domain]" } } }, "localname": "MeasurementInputTypeDomain", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/EquityCapitalStructure2021FirstRegisteredDirectEquityOfferingDetails", "http://castormaritime.com/role/EquityCapitalStructure2021SecondRegisteredDirectEquityOfferingDetails", "http://castormaritime.com/role/EquityCapitalStructure2021ThirdRegisteredDirectEquityOfferingDetails" ], "xbrltype": "domainItemType" }, "us-gaap_MovementInAccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipmentRollForward": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.", "label": "Movement in Accumulated Depreciation, Depletion and Amortization, Property, Plant and Equipment [Roll Forward]", "verboseLabel": "Accumulated Depreciation [Abstract]" } } }, "localname": "MovementInAccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipmentRollForward", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/VesselsNetAdvancesForVesselAcquisitionsNetBookValueDetails" ], "xbrltype": "stringItemType" }, "us-gaap_MovementInPropertyPlantAndEquipmentRollForward": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.", "label": "Movement in Property, Plant and Equipment [Roll Forward]", "terseLabel": "Vessel Cost [Abstract]" } } }, "localname": "MovementInPropertyPlantAndEquipmentRollForward", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/VesselsNetAdvancesForVesselAcquisitionsNetBookValueDetails" ], "xbrltype": "stringItemType" }, "us-gaap_NetCashProvidedByUsedInFinancingActivities": { "auth_ref": [ "r86" ], "calculation": { "http://castormaritime.com/role/UnauditedInterimConsolidatedStatementsOfCashFlows": { "order": 1.0, "parentTag": "us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "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.", "label": "Net Cash Provided by (Used in) Financing Activities", "totalLabel": "Net cash provided by Financing Activities" } } }, "localname": "NetCashProvidedByUsedInFinancingActivities", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/UnauditedInterimConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Cash flows provided by Financing Activities:" } } }, "localname": "NetCashProvidedByUsedInFinancingActivitiesAbstract", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/UnauditedInterimConsolidatedStatementsOfCashFlows" ], "xbrltype": "stringItemType" }, "us-gaap_NetCashProvidedByUsedInInvestingActivities": { "auth_ref": [ "r86" ], "calculation": { "http://castormaritime.com/role/UnauditedInterimConsolidatedStatementsOfCashFlows": { "order": 2.0, "parentTag": "us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "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.", "label": "Net Cash Provided by (Used in) Investing Activities", "totalLabel": "Net cash used in Investing Activities" } } }, "localname": "NetCashProvidedByUsedInInvestingActivities", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/UnauditedInterimConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Cash flow used in Investing Activities:" } } }, "localname": "NetCashProvidedByUsedInInvestingActivitiesAbstract", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/UnauditedInterimConsolidatedStatementsOfCashFlows" ], "xbrltype": "stringItemType" }, "us-gaap_NetCashProvidedByUsedInOperatingActivities": { "auth_ref": [ "r86", "r88", "r91" ], "calculation": { "http://castormaritime.com/role/UnauditedInterimConsolidatedStatementsOfCashFlows": { "order": 3.0, "parentTag": "us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect", "weight": 1.0 } }, "lang": { "en-us": { "role": { "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.", "label": "Net Cash Provided by (Used in) Operating Activities", "totalLabel": "Net Cash (used in)/provided by Operating Activities" } } }, "localname": "NetCashProvidedByUsedInOperatingActivities", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/UnauditedInterimConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Net Cash Provided by (Used in) Operating Activities [Abstract]", "terseLabel": "Cash Flows (used in)/provided by Operating Activities:" } } }, "localname": "NetCashProvidedByUsedInOperatingActivitiesAbstract", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/UnauditedInterimConsolidatedStatementsOfCashFlows" ], "xbrltype": "stringItemType" }, "us-gaap_NetIncomeLoss": { "auth_ref": [ "r1", "r56", "r58", "r63", "r67", "r91", "r102", "r110", "r112", "r113", "r114", "r115", "r118", "r119", "r126", "r149", "r157", "r159", "r162", "r164", "r171", "r189", "r190", "r191", "r194", "r195", "r196", "r197", "r198", "r200", "r201", "r302", "r306", "r374", "r396" ], "calculation": { "http://castormaritime.com/role/EarningsLossPerShareDetails": { "order": 3.0, "parentTag": "us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic", "weight": 1.0 }, "http://castormaritime.com/role/UnauditedInterimCondensedConsolidatedStatementsOfComprehensiveIncomeLoss": { "order": null, "parentTag": null, "root": true, "weight": null }, "http://castormaritime.com/role/UnauditedInterimConsolidatedStatementsOfCashFlows": { "order": 0.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.", "label": "Net (loss)/ income", "totalLabel": "Net (loss)/ income" } } }, "localname": "NetIncomeLoss", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/EarningsLossPerShareDetails", "http://castormaritime.com/role/UnauditedInterimCondensedConsolidatedStatementsOfComprehensiveIncomeLoss", "http://castormaritime.com/role/UnauditedInterimConsolidatedStatementsOfCashFlows", "http://castormaritime.com/role/UnauditedInterimConsolidatedStatementsOfShareholdersEquity" ], "xbrltype": "monetaryItemType" }, "us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic": { "auth_ref": [ "r112", "r113", "r114", "r115", "r120", "r121", "r127", "r130", "r149", "r157", "r159", "r162", "r164" ], "calculation": { "http://castormaritime.com/role/EarningsLossPerShareDetails": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Amount, after deduction of tax, noncontrolling interests, dividends on preferred stock and participating securities; of income (loss) available to common shareholders.", "label": "Net Income (Loss) Available to Common Stockholders, Basic", "totalLabel": "Net (loss)/income and comprehensive (loss)/ income available to common shareholders" } } }, "localname": "NetIncomeLossAvailableToCommonStockholdersBasic", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/EarningsLossPerShareDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock": { "auth_ref": [], "lang": { "en-us": { "role": { "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.", "label": "Recent Accounting Pronouncements" } } }, "localname": "NewAccountingPronouncementsPolicyPolicyTextBlock", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/SignificantAccountingPoliciesAndRecentAccountingPronouncementsPolicies" ], "xbrltype": "textBlockItemType" }, "us-gaap_NonoperatingIncomeExpense": { "auth_ref": [ "r78" ], "calculation": { "http://castormaritime.com/role/UnauditedInterimCondensedConsolidatedStatementsOfComprehensiveIncomeLoss": { "order": 1.0, "parentTag": "us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The aggregate amount of income or expense from ancillary business-related activities (that is to say, excluding major activities considered part of the normal operations of the business).", "label": "Nonoperating Income (Expense)", "totalLabel": "Total other expenses, net" } } }, "localname": "NonoperatingIncomeExpense", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/UnauditedInterimCondensedConsolidatedStatementsOfComprehensiveIncomeLoss" ], "xbrltype": "monetaryItemType" }, "us-gaap_NotesPayableRelatedPartiesClassifiedCurrent": { "auth_ref": [ "r44", "r104", "r333" ], "calculation": { "http://castormaritime.com/role/UnauditedInterimConsolidatedBalanceSheets": { "order": 6.0, "parentTag": "us-gaap_LiabilitiesCurrent", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The amount for notes payable (written promise to pay), due to related parties. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).", "label": "Notes Payable, Related Parties, Current", "terseLabel": "Current portion of long-term debt, related party", "verboseLabel": "Long-term debt from related party, current" } } }, "localname": "NotesPayableRelatedPartiesClassifiedCurrent", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/LongtermDebtLongtermDebtIncludingRelatedPartyDebtDetails", "http://castormaritime.com/role/UnauditedInterimConsolidatedBalanceSheets" ], "xbrltype": "monetaryItemType" }, "us-gaap_NotesPayableRelatedPartiesCurrentAndNoncurrent": { "auth_ref": [ "r104", "r332", "r395" ], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The amount for notes payable (written promise to pay), due to related parties.", "label": "Notes Payable, Related Parties", "verboseLabel": "Related party debt" } } }, "localname": "NotesPayableRelatedPartiesCurrentAndNoncurrent", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/TransactionsWithRelatedPartiesSummaryDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_NumberOfReportableSegments": { "auth_ref": [ "r142" ], "lang": { "en-us": { "role": { "documentation": "Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.", "label": "Number of Reportable Segments", "terseLabel": "Number of reporting segments" } } }, "localname": "NumberOfReportableSegments", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/SignificantAccountingPoliciesAndRecentAccountingPronouncementsDetails" ], "xbrltype": "integerItemType" }, "us-gaap_OfficersCompensation": { "auth_ref": [ "r70" ], "calculation": { "http://castormaritime.com/role/GeneralAndAdministrativeExpensesDetails": { "order": 2.0, "parentTag": "us-gaap_GeneralAndAdministrativeExpense", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount of expense for salary and wage arising from service rendered by officer. Excludes allocated cost, labor-related nonsalary expense, and direct and overhead labor cost included in cost of good and service sold.", "label": "Chief Executive and Chief Financial Officer and directors' compensation" } } }, "localname": "OfficersCompensation", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/GeneralAndAdministrativeExpensesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_OperatingCostsAndExpenses": { "auth_ref": [], "calculation": { "http://castormaritime.com/role/UnauditedInterimCondensedConsolidatedStatementsOfComprehensiveIncomeLoss": { "order": 1.0, "parentTag": "us-gaap_CostsAndExpenses", "weight": 1.0 }, "http://castormaritime.com/role/VesselOperatingAndVoyageExpensesDetails": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "debit", "lang": { "en-us": { "role": { "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.", "label": "Operating Costs and Expenses", "negatedLabel": "Vessel operating expenses", "totalLabel": "Total Vessel operating expenses" } } }, "localname": "OperatingCostsAndExpenses", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/UnauditedInterimCondensedConsolidatedStatementsOfComprehensiveIncomeLoss", "http://castormaritime.com/role/VesselOperatingAndVoyageExpensesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_OperatingCostsAndExpensesAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Vessel Operating Expenses [Abstract]" } } }, "localname": "OperatingCostsAndExpensesAbstract", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/VesselOperatingAndVoyageExpensesDetails" ], "xbrltype": "stringItemType" }, "us-gaap_OperatingIncomeLoss": { "auth_ref": [ "r149", "r157", "r159", "r162", "r164" ], "calculation": { "http://castormaritime.com/role/UnauditedInterimCondensedConsolidatedStatementsOfComprehensiveIncomeLoss": { "order": 0.0, "parentTag": "us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The net result for the period of deducting operating expenses from operating revenues.", "label": "Operating Income (Loss)", "totalLabel": "Operating income" } } }, "localname": "OperatingIncomeLoss", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/UnauditedInterimCondensedConsolidatedStatementsOfComprehensiveIncomeLoss" ], "xbrltype": "monetaryItemType" }, "us-gaap_OperatingLeaseLeaseIncome": { "auth_ref": [ "r137", "r326", "r328" ], "calculation": { "http://castormaritime.com/role/UnauditedInterimCondensedConsolidatedStatementsOfComprehensiveIncomeLoss": { "order": 1.0, "parentTag": "us-gaap_Revenues", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Amount of operating lease income from lease payments and variable lease payments paid and payable to lessor. Includes, but is not limited to, variable lease payments not included in measurement of lease receivable.", "label": "Operating Lease, Lease Income", "terseLabel": "Vessel revenues (net of commissions to charterers of $282,059 and $1,001,426, respectively)", "verboseLabel": "Vessel revenues" } } }, "localname": "OperatingLeaseLeaseIncome", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/UnauditedInterimCondensedConsolidatedStatementsOfComprehensiveIncomeLoss", "http://castormaritime.com/role/VesselRevenuesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Basis of Presentation and General information [Abstract]" } } }, "localname": "OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "xbrltype": "stringItemType" }, "us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureTextBlock": { "auth_ref": [ "r2", "r298" ], "lang": { "en-us": { "role": { "documentation": "The entire disclosure for organization, consolidation and basis of presentation of financial statements disclosure.", "label": "Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block]", "verboseLabel": "Basis of Presentation and General information" } } }, "localname": "OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureTextBlock", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/BasisOfPresentationAndGeneralInformation" ], "xbrltype": "textBlockItemType" }, "us-gaap_OtherAmortizationOfDeferredCharges": { "auth_ref": [ "r75", "r90" ], "calculation": { "http://castormaritime.com/role/UnauditedInterimConsolidatedStatementsOfCashFlows": { "order": 3.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount of amortization of other deferred costs recognized in the income statement.", "label": "Amortization of Other Deferred Charges", "verboseLabel": "Amortization of other deferred charges" } } }, "localname": "OtherAmortizationOfDeferredCharges", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/UnauditedInterimConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_OtherAssetsDisclosureTextBlock": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The entire disclosure for other assets. This disclosure includes other current assets and other noncurrent assets.", "label": "Other Assets Disclosure [Text Block]", "terseLabel": "Deferred charges, net" } } }, "localname": "OtherAssetsDisclosureTextBlock", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/DeferredChargesNet" ], "xbrltype": "textBlockItemType" }, "us-gaap_OtherCommitmentsAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Other Commitments [Abstract]", "terseLabel": "Commitments Under Contracts for BWMS Installation [Abstract]" } } }, "localname": "OtherCommitmentsAbstract", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/CommitmentsAndContingenciesDetails" ], "xbrltype": "stringItemType" }, "us-gaap_OtherCostAndExpenseOperating": { "auth_ref": [ "r75" ], "calculation": { "http://castormaritime.com/role/VesselOperatingAndVoyageExpensesDetails": { "order": 6.0, "parentTag": "us-gaap_OperatingCostsAndExpenses", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The total amount of other operating cost and expense items that are associated with the entity's normal revenue producing operation.", "label": "Other Cost and Expense, Operating", "terseLabel": "Other" } } }, "localname": "OtherCostAndExpenseOperating", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/VesselOperatingAndVoyageExpensesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_OtherIncomeAndExpensesAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "OTHER INCOME/(EXPENSES):" } } }, "localname": "OtherIncomeAndExpensesAbstract", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/UnauditedInterimCondensedConsolidatedStatementsOfComprehensiveIncomeLoss", "http://castormaritime.com/role/UnauditedInterimCondensedConsolidatedStatementsOfComprehensiveIncomeLossParenthetical" ], "xbrltype": "stringItemType" }, "us-gaap_OtherNonoperatingIncomeAndExpenseTextBlock": { "auth_ref": [ "r71", "r72" ], "lang": { "en-us": { "role": { "documentation": "The entire disclosure for the components of non-operating income or non-operating expense, including, but not limited to, amounts earned from dividends, interest on securities, gain (loss) on securities sold, equity earnings of unconsolidated affiliates, gain (loss) on sales of business, interest expense and other miscellaneous income or expense items.", "label": "Other Nonoperating Income and Expense [Text Block]", "terseLabel": "Interest and Finance Costs" } } }, "localname": "OtherNonoperatingIncomeAndExpenseTextBlock", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/InterestAndFinanceCosts" ], "xbrltype": "textBlockItemType" }, "us-gaap_PaidInKindInterest": { "auth_ref": [ "r90" ], "calculation": { "http://castormaritime.com/role/InterestAndFinanceCostsDetails": { "order": 2.0, "parentTag": "us-gaap_InterestExpense", "weight": 1.0 }, "http://castormaritime.com/role/UnauditedInterimConsolidatedStatementsOfCashFlows": { "order": 5.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Interest paid other than in cash for example by issuing additional debt securities. As a noncash item, it is added to net income when calculating cash provided by or used in operations using the indirect method.", "label": "Paid-in-Kind Interest", "terseLabel": "Interest settled in common stock", "verboseLabel": "Interest on convertible debt - non cash" } } }, "localname": "PaidInKindInterest", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/InterestAndFinanceCostsDetails", "http://castormaritime.com/role/UnauditedInterimConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_PaymentsOfFinancingCosts": { "auth_ref": [ "r84" ], "calculation": { "http://castormaritime.com/role/UnauditedInterimConsolidatedStatementsOfCashFlows": { "order": 4.0, "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivities", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The cash outflow for loan and debt issuance costs.", "label": "Payments of Financing Costs", "negatedLabel": "Payment of deferred financing costs" } } }, "localname": "PaymentsOfFinancingCosts", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/UnauditedInterimConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_PaymentsOfStockIssuanceCosts": { "auth_ref": [ "r84" ], "calculation": { "http://castormaritime.com/role/UnauditedInterimConsolidatedStatementsOfCashFlows": { "order": 1.0, "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivities", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The cash outflow for cost incurred directly with the issuance of an equity security.", "label": "Payments of Stock Issuance Costs", "negatedLabel": "Common stock issuance expenses" } } }, "localname": "PaymentsOfStockIssuanceCosts", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/UnauditedInterimConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_PaymentsToAcquirePropertyPlantAndEquipment": { "auth_ref": [ "r80" ], "calculation": { "http://castormaritime.com/role/UnauditedInterimConsolidatedStatementsOfCashFlows": { "order": 0.0, "parentTag": "us-gaap_NetCashProvidedByUsedInInvestingActivities", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets.", "label": "Payments to Acquire Property, Plant, and Equipment", "negatedLabel": "Vessel acquisitions and other vessel improvements", "terseLabel": "Consideration paid for other vessel improvements" } } }, "localname": "PaymentsToAcquirePropertyPlantAndEquipment", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/UnauditedInterimConsolidatedStatementsOfCashFlows", "http://castormaritime.com/role/VesselsNetAdvancesForVesselAcquisitionsVesselAcquisitionsAndOtherCapitalExpendituresDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_PreferredStockDividendRatePercentage": { "auth_ref": [ "r233" ], "lang": { "en-us": { "role": { "documentation": "The percentage rate used to calculate dividend payments on preferred stock.", "label": "Preferred Stock, Dividend Rate, Percentage", "verboseLabel": "Preferred shares, dividend rate" } } }, "localname": "PreferredStockDividendRatePercentage", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/UnauditedInterimConsolidatedBalanceSheetsParenthetical" ], "xbrltype": "percentItemType" }, "us-gaap_PreferredStockDividendsIncomeStatementImpact": { "auth_ref": [], "calculation": { "http://castormaritime.com/role/EarningsLossPerShareDetails": { "order": 4.0, "parentTag": "us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic", "weight": -1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The amount of preferred stock dividends that is an adjustment to net income apportioned to common stockholders.", "label": "Preferred Stock Dividends, Income Statement Impact", "negatedLabel": "Less: Cumulative dividends on Series A Preferred Shares" } } }, "localname": "PreferredStockDividendsIncomeStatementImpact", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/EarningsLossPerShareDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_PreferredStockMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Preferred shares may provide a preferential dividend to the dividend on common stock and may take precedence over common stock in the event of a liquidation. Preferred shares typically represent an ownership interest in the company.", "label": "Preferred Stock [Member]", "terseLabel": "Preferred Shares [Member]" } } }, "localname": "PreferredStockMember", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/UnauditedInterimConsolidatedStatementsOfShareholdersEquity" ], "xbrltype": "domainItemType" }, "us-gaap_PreferredStockParOrStatedValuePerShare": { "auth_ref": [ "r28", "r232" ], "lang": { "en-us": { "role": { "documentation": "Face amount or stated value per share of preferred stock nonredeemable or redeemable solely at the option of the issuer.", "label": "Preferred Stock, Par or Stated Value Per Share", "terseLabel": "Preferred shares, par value (in dollars per share)" } } }, "localname": "PreferredStockParOrStatedValuePerShare", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/UnauditedInterimConsolidatedBalanceSheetsParenthetical" ], "xbrltype": "perShareItemType" }, "us-gaap_PreferredStockSharesAuthorized": { "auth_ref": [ "r28" ], "lang": { "en-us": { "role": { "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.", "label": "Preferred Stock, Shares Authorized", "terseLabel": "Preferred shares, shares authorized (in shares)" } } }, "localname": "PreferredStockSharesAuthorized", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/EquityCapitalStructureCapitalStockDetails", "http://castormaritime.com/role/UnauditedInterimConsolidatedBalanceSheetsParenthetical" ], "xbrltype": "sharesItemType" }, "us-gaap_PreferredStockSharesIssued": { "auth_ref": [ "r28", "r232" ], "lang": { "en-us": { "role": { "documentation": "Total number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) issued to shareholders (includes related preferred shares that were issued, repurchased, and remain in the treasury). May be all or portion of the number of preferred shares authorized. Excludes preferred shares that are classified as debt.", "label": "Preferred Stock, Shares Issued", "terseLabel": "Preferred shares, issued (in shares)" } } }, "localname": "PreferredStockSharesIssued", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/UnauditedInterimConsolidatedBalanceSheetsParenthetical" ], "xbrltype": "sharesItemType" }, "us-gaap_PreferredStockSharesOutstanding": { "auth_ref": [ "r28" ], "lang": { "en-us": { "role": { "documentation": "Aggregate share number for all nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer) held by stockholders. Does not include preferred shares that have been repurchased.", "label": "Preferred shares, shares outstanding (in shares)" } } }, "localname": "PreferredStockSharesOutstanding", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/UnauditedInterimConsolidatedBalanceSheetsParenthetical" ], "xbrltype": "sharesItemType" }, "us-gaap_PreferredStockValue": { "auth_ref": [ "r28", "r340" ], "calculation": { "http://castormaritime.com/role/UnauditedInterimConsolidatedBalanceSheets": { "order": 1.0, "parentTag": "us-gaap_StockholdersEquity", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "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.", "label": "Preferred Stock, Value, Issued", "terseLabel": "Preferred shares" } } }, "localname": "PreferredStockValue", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/UnauditedInterimConsolidatedBalanceSheets" ], "xbrltype": "monetaryItemType" }, "us-gaap_PrepaidExpenseAndOtherAssetsCurrent": { "auth_ref": [ "r7", "r37", "r38" ], "calculation": { "http://castormaritime.com/role/UnauditedInterimConsolidatedBalanceSheets": { "order": 7.0, "parentTag": "us-gaap_AssetsCurrent", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount of asset related to consideration paid in advance for costs that provide economic benefits in future periods, and amount of other assets that are expected to be realized or consumed within one year or the normal operating cycle, if longer.", "label": "Prepaid expenses and other assets" } } }, "localname": "PrepaidExpenseAndOtherAssetsCurrent", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/UnauditedInterimConsolidatedBalanceSheets" ], "xbrltype": "monetaryItemType" }, "us-gaap_PrepaidExpenseAndOtherAssetsNoncurrent": { "auth_ref": [ "r21", "r366", "r385" ], "calculation": { "http://castormaritime.com/role/UnauditedInterimConsolidatedBalanceSheets": { "order": 6.0, "parentTag": "us-gaap_AssetsNoncurrent", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount of asset related to consideration paid in advance for costs that provide economic benefits in future periods, and amount of other assets that are expected to be realized or consumed after one year or the normal operating cycle, if longer.", "label": "Prepaid expenses and other assets, non-current" } } }, "localname": "PrepaidExpenseAndOtherAssetsNoncurrent", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/UnauditedInterimConsolidatedBalanceSheets" ], "xbrltype": "monetaryItemType" }, "us-gaap_ProceedsFromIssuanceOfDebt": { "auth_ref": [ "r82" ], "calculation": { "http://castormaritime.com/role/UnauditedInterimConsolidatedStatementsOfCashFlows": { "order": 2.0, "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivities", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The cash inflow during the period from additional borrowings in aggregate debt. Includes proceeds from short-term and long-term debt.", "label": "Proceeds from long-term debt" } } }, "localname": "ProceedsFromIssuanceOfDebt", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/UnauditedInterimConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_ProceedsFromIssuanceOrSaleOfEquity": { "auth_ref": [ "r81" ], "calculation": { "http://castormaritime.com/role/UnauditedInterimConsolidatedStatementsOfCashFlows": { "order": 0.0, "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivities", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The cash inflow from the issuance of common stock, preferred stock, treasury stock, stock options, and other types of equity.", "label": "Gross proceeds from issuance of common stock and warrants", "terseLabel": "Gross proceeds from issuance of common stock and warrants", "verboseLabel": "Gross proceeds from issuance of common shares" } } }, "localname": "ProceedsFromIssuanceOrSaleOfEquity", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/EquityCapitalStructure2021FirstRegisteredDirectEquityOfferingDetails", "http://castormaritime.com/role/EquityCapitalStructure2021SecondRegisteredDirectEquityOfferingDetails", "http://castormaritime.com/role/EquityCapitalStructure2021ThirdRegisteredDirectEquityOfferingDetails", "http://castormaritime.com/role/EquityCapitalStructureAtthemarketCommonStockOfferingDetails", "http://castormaritime.com/role/UnauditedInterimConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_PropertyPlantAndEquipmentAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Vessels, net/ Advances for vessel acquisitions [Abstract]" } } }, "localname": "PropertyPlantAndEquipmentAbstract", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "xbrltype": "stringItemType" }, "us-gaap_PropertyPlantAndEquipmentAdditions": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount of acquisition of long-lived, 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, furniture and fixtures, and computer equipment.", "label": "Acquisitions, improvements and other vessel costs" } } }, "localname": "PropertyPlantAndEquipmentAdditions", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/VesselsNetAdvancesForVesselAcquisitionsNetBookValueDetails", "http://castormaritime.com/role/VesselsNetAdvancesForVesselAcquisitionsVesselAcquisitionsAndOtherCapitalExpendituresDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_PropertyPlantAndEquipmentByTypeAxis": { "auth_ref": [ "r42", "r178" ], "lang": { "en-us": { "role": { "documentation": "Information by type of long-lived, physical assets used to produce goods and services and not intended for resale.", "label": "Long-Lived Tangible Asset [Axis]" } } }, "localname": "PropertyPlantAndEquipmentByTypeAxis", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/BasisOfPresentationAndGeneralInformationGeneralInformationDetails", "http://castormaritime.com/role/BasisOfPresentationAndGeneralInformationVesselOwningSubsidiariesDetails", "http://castormaritime.com/role/TransactionsWithRelatedPartiesPavimarDetails", "http://castormaritime.com/role/VesselsNetAdvancesForVesselAcquisitionsNetBookValueDetails", "http://castormaritime.com/role/VesselsNetAdvancesForVesselAcquisitionsVesselAcquisitionsAndOtherCapitalExpendituresDetails" ], "xbrltype": "stringItemType" }, "us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock": { "auth_ref": [ "r181", "r412", "r413", "r414" ], "lang": { "en-us": { "role": { "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.", "label": "Property, Plant and Equipment Disclosure [Text Block]", "verboseLabel": "Vessels, net/ Advances for vessel acquisitions" } } }, "localname": "PropertyPlantAndEquipmentDisclosureTextBlock", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/VesselsNetAdvancesForVesselAcquisitions" ], "xbrltype": "textBlockItemType" }, "us-gaap_PropertyPlantAndEquipmentGross": { "auth_ref": [ "r41", "r176" ], "crdr": "debit", "lang": { "en-us": { "role": { "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.", "label": "Property, Plant and Equipment, Gross", "periodEndLabel": "Ending balance", "periodStartLabel": "Beginning balance" } } }, "localname": "PropertyPlantAndEquipmentGross", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/VesselsNetAdvancesForVesselAcquisitionsNetBookValueDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_PropertyPlantAndEquipmentLineItems": { "auth_ref": [], "lang": { "en-us": { "role": { "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.", "label": "Property, Plant and Equipment [Line Items]" } } }, "localname": "PropertyPlantAndEquipmentLineItems", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/VesselsNetAdvancesForVesselAcquisitionsNetBookValueDetails", "http://castormaritime.com/role/VesselsNetAdvancesForVesselAcquisitionsVesselAcquisitionsAndOtherCapitalExpendituresDetails" ], "xbrltype": "stringItemType" }, "us-gaap_PropertyPlantAndEquipmentNet": { "auth_ref": [ "r17", "r18", "r178", "r340", "r380", "r393" ], "calculation": { "http://castormaritime.com/role/UnauditedInterimConsolidatedBalanceSheets": { "order": 1.0, "parentTag": "us-gaap_AssetsNoncurrent", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "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.", "label": "Aggregate carrying value", "periodEndLabel": "Ending balance", "periodStartLabel": "Beginning balance", "terseLabel": "Vessels, net" } } }, "localname": "PropertyPlantAndEquipmentNet", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/UnauditedInterimConsolidatedBalanceSheets", "http://castormaritime.com/role/VesselsNetAdvancesForVesselAcquisitionsNetBookValueDetails", "http://castormaritime.com/role/VesselsNetAdvancesForVesselAcquisitionsVesselAcquisitionsAndOtherCapitalExpendituresDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_PropertyPlantAndEquipmentNetAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Property, Plant and Equipment, Net [Abstract]" } } }, "localname": "PropertyPlantAndEquipmentNetAbstract", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/VesselsNetAdvancesForVesselAcquisitionsVesselAcquisitionsAndOtherCapitalExpendituresDetails" ], "xbrltype": "stringItemType" }, "us-gaap_PropertyPlantAndEquipmentNetByTypeAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Property, Plant and Equipment, Net, by Type [Abstract]", "terseLabel": "Net Book Value [Abstract]" } } }, "localname": "PropertyPlantAndEquipmentNetByTypeAbstract", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/VesselsNetAdvancesForVesselAcquisitionsNetBookValueDetails" ], "xbrltype": "stringItemType" }, "us-gaap_PropertyPlantAndEquipmentTextBlock": { "auth_ref": [ "r17", "r178" ], "lang": { "en-us": { "role": { "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.", "label": "Property, Plant and Equipment [Table Text Block]", "terseLabel": "Vessels, Net" } } }, "localname": "PropertyPlantAndEquipmentTextBlock", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/VesselsNetAdvancesForVesselAcquisitionsTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_PropertyPlantAndEquipmentTransfersAndChanges": { "auth_ref": [ "r179" ], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount of increase (decrease) of physical assets used in the normal conduct of business and not intended for resale, from reclassification, impairment, donation, or changes classified as other. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.", "label": "Property, Plant and Equipment, Transfers and Changes", "terseLabel": "Transfers from Advances for vessel acquisitions" } } }, "localname": "PropertyPlantAndEquipmentTransfersAndChanges", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/VesselsNetAdvancesForVesselAcquisitionsNetBookValueDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_PropertyPlantAndEquipmentTypeDomain": { "auth_ref": [ "r17", "r176" ], "lang": { "en-us": { "role": { "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.", "label": "Long-Lived Tangible Asset [Domain]" } } }, "localname": "PropertyPlantAndEquipmentTypeDomain", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/BasisOfPresentationAndGeneralInformationGeneralInformationDetails", "http://castormaritime.com/role/BasisOfPresentationAndGeneralInformationVesselOwningSubsidiariesDetails", "http://castormaritime.com/role/TransactionsWithRelatedPartiesPavimarDetails", "http://castormaritime.com/role/VesselsNetAdvancesForVesselAcquisitionsNetBookValueDetails", "http://castormaritime.com/role/VesselsNetAdvancesForVesselAcquisitionsVesselAcquisitionsAndOtherCapitalExpendituresDetails" ], "xbrltype": "domainItemType" }, "us-gaap_PurchaseCommitmentExcludingLongtermCommitmentAxis": { "auth_ref": [ "r26", "r370", "r389" ], "lang": { "en-us": { "role": { "documentation": "Information by arrangement, in which the entity has agreed to expend funds to procure goods or services from one or more suppliers.", "label": "Purchase Commitment, Excluding Long-term Commitment [Axis]" } } }, "localname": "PurchaseCommitmentExcludingLongtermCommitmentAxis", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/CommitmentsAndContingenciesDetails" ], "xbrltype": "stringItemType" }, "us-gaap_PurchaseCommitmentExcludingLongtermCommitmentDomain": { "auth_ref": [ "r26", "r370", "r389" ], "lang": { "en-us": { "role": { "documentation": "This item is intended to be populated, by the entity, with Members identifying each purchase commitment about which information required or determined to be disclosed is being provided. If only one such commitment exists, this item may be used to capture such information; if multiple commitments exist, this item is the dimensional default, which will aggregate such information, as appropriate.", "label": "Purchase Commitment, Excluding Long-term Commitment [Domain]" } } }, "localname": "PurchaseCommitmentExcludingLongtermCommitmentDomain", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/CommitmentsAndContingenciesDetails" ], "xbrltype": "domainItemType" }, "us-gaap_PurchaseCommitmentExcludingLongtermCommitmentLineItems": { "auth_ref": [], "lang": { "en-us": { "role": { "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.", "label": "Purchase Commitment, Excluding Long-term Commitment [Line Items]" } } }, "localname": "PurchaseCommitmentExcludingLongtermCommitmentLineItems", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/CommitmentsAndContingenciesDetails" ], "xbrltype": "stringItemType" }, "us-gaap_PurchaseCommitmentExcludingLongtermCommitmentTable": { "auth_ref": [ "r26", "r370", "r389" ], "lang": { "en-us": { "role": { "documentation": "Summarization of information required or determined to be disclosed about arrangements in which the entity has agreed to expend funds to procure goods or services from one or more suppliers. Such disclosure may include identification of the goods or services to be purchased, identity of the seller, pricing, effects on pricing for failing to reach minimum quantities required to be purchased (such as penalties), cancellation rights, and termination provisions.", "label": "Purchase Commitment, Excluding Long-term Commitment [Table]" } } }, "localname": "PurchaseCommitmentExcludingLongtermCommitmentTable", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/CommitmentsAndContingenciesDetails" ], "xbrltype": "stringItemType" }, "us-gaap_PurchaseCommitmentMember": { "auth_ref": [ "r26", "r370", "r389" ], "lang": { "en-us": { "role": { "documentation": "Purchase arrangement in which the entity has agreed to expend funds to procure goods or services from a supplier. Excludes long-term commitments.", "label": "Purchase Commitment [Member]", "terseLabel": "Purchase Commitment for Ballast Water Management Systems [Member]" } } }, "localname": "PurchaseCommitmentMember", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/CommitmentsAndContingenciesDetails" ], "xbrltype": "domainItemType" }, "us-gaap_PurchaseCommitmentRemainingMinimumAmountCommitted": { "auth_ref": [ "r26", "r370", "r389" ], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Minimum amount to be expended to satisfy the terms of arrangements in which the entity has agreed to expend funds to procure goods or services, excluding long-term purchase commitments or unconditional purchase obligations.", "label": "Purchase Commitment, Remaining Minimum Amount Committed", "terseLabel": "Contractual purchase obligations" } } }, "localname": "PurchaseCommitmentRemainingMinimumAmountCommitted", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/CommitmentsAndContingenciesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_RelatedPartyDomain": { "auth_ref": [ "r281", "r331", "r332" ], "lang": { "en-us": { "role": { "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.", "label": "Related Party [Domain]" } } }, "localname": "RelatedPartyDomain", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/FinancialInstrumentsAndFairValueDisclosuresDetails", "http://castormaritime.com/role/TransactionsWithRelatedPartiesCastorShipsDetails", "http://castormaritime.com/role/TransactionsWithRelatedPartiesPavimarDetails", "http://castormaritime.com/role/TransactionsWithRelatedPartiesSummaryDetails", "http://castormaritime.com/role/TransactionsWithRelatedPartiesThalassaDetails" ], "xbrltype": "domainItemType" }, "us-gaap_RelatedPartyTransactionAxis": { "auth_ref": [ "r281", "r331", "r332", "r334" ], "lang": { "en-us": { "role": { "documentation": "Information by type of related party transaction.", "label": "Related Party Transaction [Axis]" } } }, "localname": "RelatedPartyTransactionAxis", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/TransactionsWithRelatedPartiesCastorShipsDetails", "http://castormaritime.com/role/TransactionsWithRelatedPartiesPavimarDetails", "http://castormaritime.com/role/TransactionsWithRelatedPartiesSummaryDetails" ], "xbrltype": "stringItemType" }, "us-gaap_RelatedPartyTransactionDomain": { "auth_ref": [ "r281" ], "lang": { "en-us": { "role": { "documentation": "Transaction between related party.", "label": "Related Party Transaction [Domain]" } } }, "localname": "RelatedPartyTransactionDomain", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/TransactionsWithRelatedPartiesCastorShipsDetails", "http://castormaritime.com/role/TransactionsWithRelatedPartiesPavimarDetails", "http://castormaritime.com/role/TransactionsWithRelatedPartiesSummaryDetails" ], "xbrltype": "domainItemType" }, "us-gaap_RelatedPartyTransactionDueFromToRelatedPartyAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Related Party Transaction, Due from (to) Related Party [Abstract]", "terseLabel": "Balances with Related Parties [Abstract]" } } }, "localname": "RelatedPartyTransactionDueFromToRelatedPartyAbstract", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/TransactionsWithRelatedPartiesSummaryDetails" ], "xbrltype": "stringItemType" }, "us-gaap_RelatedPartyTransactionDueFromToRelatedPartyCurrentAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Related Party Transaction, Due from (to) Related Party, Current [Abstract]", "terseLabel": "Transactions with Related Parties [Abstract]", "verboseLabel": "Management Agreements [Abstract]" } } }, "localname": "RelatedPartyTransactionDueFromToRelatedPartyCurrentAbstract", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/TransactionsWithRelatedPartiesCastorShipsDetails", "http://castormaritime.com/role/TransactionsWithRelatedPartiesPavimarDetails", "http://castormaritime.com/role/TransactionsWithRelatedPartiesSummaryDetails", "http://castormaritime.com/role/TransactionsWithRelatedPartiesThalassaDetails" ], "xbrltype": "stringItemType" }, "us-gaap_RelatedPartyTransactionLineItems": { "auth_ref": [], "lang": { "en-us": { "role": { "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.", "label": "Related Party Transaction [Line Items]" } } }, "localname": "RelatedPartyTransactionLineItems", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/TransactionsWithRelatedPartiesCastorShipsDetails", "http://castormaritime.com/role/TransactionsWithRelatedPartiesPavimarDetails", "http://castormaritime.com/role/TransactionsWithRelatedPartiesSummaryDetails", "http://castormaritime.com/role/TransactionsWithRelatedPartiesThalassaDetails" ], "xbrltype": "stringItemType" }, "us-gaap_RelatedPartyTransactionSellingGeneralAndAdministrativeExpensesFromTransactionsWithRelatedParty": { "auth_ref": [], "calculation": { "http://castormaritime.com/role/GeneralAndAdministrativeExpensesDetails": { "order": 1.0, "parentTag": "us-gaap_GeneralAndAdministrativeExpense", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount of selling, general and administrative expenses resulting from transactions, excluding transactions that are eliminated in consolidated or combined financial statements, with related party.", "label": "Administration fees", "terseLabel": "Administration fees-related party (Note 3(c))", "verboseLabel": "General and administration expenses, related parties" } } }, "localname": "RelatedPartyTransactionSellingGeneralAndAdministrativeExpensesFromTransactionsWithRelatedParty", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/GeneralAndAdministrativeExpensesDetails", "http://castormaritime.com/role/TransactionsWithRelatedPartiesCastorShipsDetails", "http://castormaritime.com/role/TransactionsWithRelatedPartiesSummaryDetails", "http://castormaritime.com/role/UnauditedInterimCondensedConsolidatedStatementsOfComprehensiveIncomeLossParenthetical" ], "xbrltype": "monetaryItemType" }, "us-gaap_RelatedPartyTransactionsAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Transactions with Related Parties [Abstract]" } } }, "localname": "RelatedPartyTransactionsAbstract", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "xbrltype": "stringItemType" }, "us-gaap_RelatedPartyTransactionsByRelatedPartyAxis": { "auth_ref": [ "r281", "r331", "r334", "r352", "r353", "r354", "r355", "r356", "r357", "r358", "r359", "r360", "r361", "r362", "r363" ], "lang": { "en-us": { "role": { "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.", "label": "Related Party [Axis]" } } }, "localname": "RelatedPartyTransactionsByRelatedPartyAxis", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/FinancialInstrumentsAndFairValueDisclosuresDetails", "http://castormaritime.com/role/TransactionsWithRelatedPartiesCastorShipsDetails", "http://castormaritime.com/role/TransactionsWithRelatedPartiesPavimarDetails", "http://castormaritime.com/role/TransactionsWithRelatedPartiesSummaryDetails", "http://castormaritime.com/role/TransactionsWithRelatedPartiesThalassaDetails" ], "xbrltype": "stringItemType" }, "us-gaap_RelatedPartyTransactionsDisclosureTextBlock": { "auth_ref": [ "r329", "r330", "r332", "r335", "r336" ], "lang": { "en-us": { "role": { "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.", "label": "Related Party Transactions Disclosure [Text Block]", "verboseLabel": "Transactions with Related Parties" } } }, "localname": "RelatedPartyTransactionsDisclosureTextBlock", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/TransactionsWithRelatedParties" ], "xbrltype": "textBlockItemType" }, "us-gaap_RepaymentsOfRelatedPartyDebt": { "auth_ref": [ "r83" ], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The cash outflow for the payment of a long-term borrowing made from a related party where one party can exercise control or significant influence over another party; including affiliates, owners or officers and their immediate families, pension trusts, and so forth. Alternate caption: Payments for Advances from Affiliates.", "label": "Repayment of loan" } } }, "localname": "RepaymentsOfRelatedPartyDebt", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/TransactionsWithRelatedPartiesThalassaDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_RepaymentsOfSecuredDebt": { "auth_ref": [ "r83" ], "calculation": { "http://castormaritime.com/role/UnauditedInterimConsolidatedStatementsOfCashFlows": { "order": 3.0, "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivities", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The cash outflow to repay long-term debt that is wholly or partially secured by collateral. Excludes repayments of tax exempt secured debt.", "label": "Repayments of Secured Debt", "negatedLabel": "Repayment of long-term debt" } } }, "localname": "RepaymentsOfSecuredDebt", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/UnauditedInterimConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_RestrictedCash": { "auth_ref": [ "r97", "r365", "r390" ], "calculation": { "http://castormaritime.com/role/UnauditedInterimConsolidatedStatementsOfCashFlows": { "order": 1.0, "parentTag": "us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount of cash restricted as to withdrawal or usage. 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.", "label": "Restricted Cash", "periodEndLabel": "Restricted cash" } } }, "localname": "RestrictedCash", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/UnauditedInterimConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_RestrictedCashCurrent": { "auth_ref": [ "r3", "r13", "r97" ], "calculation": { "http://castormaritime.com/role/UnauditedInterimConsolidatedBalanceSheets": { "order": 2.0, "parentTag": "us-gaap_AssetsCurrent", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount of cash restricted as to withdrawal or usage, classified as current. 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.", "label": "Restricted Cash, Current", "terseLabel": "Restricted Cash" } } }, "localname": "RestrictedCashCurrent", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/UnauditedInterimConsolidatedBalanceSheets" ], "xbrltype": "monetaryItemType" }, "us-gaap_RestrictedCashNoncurrent": { "auth_ref": [ "r9", "r21", "r97", "r410" ], "calculation": { "http://castormaritime.com/role/UnauditedInterimConsolidatedBalanceSheets": { "order": 5.0, "parentTag": "us-gaap_AssetsNoncurrent", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount of cash restricted as to withdrawal or usage, classified as noncurrent. 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.", "label": "Restricted Cash, Noncurrent", "terseLabel": "Restricted cash" } } }, "localname": "RestrictedCashNoncurrent", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/LongtermDebtAnnualPrincipalPaymentsDetails", "http://castormaritime.com/role/UnauditedInterimConsolidatedBalanceSheets" ], "xbrltype": "monetaryItemType" }, "us-gaap_RetainedEarningsAccumulatedDeficit": { "auth_ref": [ "r33", "r255", "r288", "r340", "r391", "r408", "r409" ], "calculation": { "http://castormaritime.com/role/UnauditedInterimConsolidatedBalanceSheets": { "order": 4.0, "parentTag": "us-gaap_StockholdersEquity", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The cumulative amount of the reporting entity's undistributed earnings or deficit.", "label": "Retained Earnings (Accumulated Deficit)", "terseLabel": "(Accumulated deficit)/ Retained earnings" } } }, "localname": "RetainedEarningsAccumulatedDeficit", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/UnauditedInterimConsolidatedBalanceSheets" ], "xbrltype": "monetaryItemType" }, "us-gaap_RetainedEarningsMember": { "auth_ref": [ "r0", "r107", "r108", "r109", "r111", "r117", "r119", "r172", "r285", "r286", "r287", "r290", "r291", "r300", "r405", "r407" ], "lang": { "en-us": { "role": { "documentation": "The cumulative amount of the reporting entity's undistributed earnings or deficit.", "label": "Retained Earnings [Member]", "terseLabel": "Retained Earnings/ (Accumulated Deficit) [Member]" } } }, "localname": "RetainedEarningsMember", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/UnauditedInterimConsolidatedStatementsOfShareholdersEquity" ], "xbrltype": "domainItemType" }, "us-gaap_RevenueFromContractWithCustomerAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Vessel Revenues [Abstract]" } } }, "localname": "RevenueFromContractWithCustomerAbstract", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "xbrltype": "stringItemType" }, "us-gaap_RevenueFromContractWithCustomerTextBlock": { "auth_ref": [ "r261", "r262", "r263", "r264", "r265", "r266", "r267", "r268", "r271", "r279" ], "lang": { "en-us": { "role": { "documentation": "The entire disclosure of revenue from contract with customer to transfer good or service and to transfer nonfinancial asset. Includes, but is not limited to, disaggregation of revenue, credit loss recognized from contract with customer, judgment and change in judgment related to contract with customer, and asset recognized from cost incurred to obtain or fulfill contract with customer. Excludes insurance and lease contracts.", "label": "Vessel Revenues" } } }, "localname": "RevenueFromContractWithCustomerTextBlock", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/VesselRevenues" ], "xbrltype": "textBlockItemType" }, "us-gaap_Revenues": { "auth_ref": [ "r65", "r102", "r143", "r144", "r156", "r160", "r161", "r165", "r166", "r167", "r171", "r189", "r190", "r191", "r194", "r195", "r196", "r197", "r198", "r200", "r201", "r306", "r379" ], "calculation": { "http://castormaritime.com/role/UnauditedInterimCondensedConsolidatedStatementsOfComprehensiveIncomeLoss": { "order": 1.0, "parentTag": "us-gaap_OperatingIncomeLoss", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).", "label": "Revenues", "totalLabel": "Total revenues" } } }, "localname": "Revenues", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/UnauditedInterimCondensedConsolidatedStatementsOfComprehensiveIncomeLoss" ], "xbrltype": "monetaryItemType" }, "us-gaap_RevenuesAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Revenues [Abstract]", "terseLabel": "REVENUES:" } } }, "localname": "RevenuesAbstract", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/UnauditedInterimCondensedConsolidatedStatementsOfComprehensiveIncomeLoss", "http://castormaritime.com/role/UnauditedInterimCondensedConsolidatedStatementsOfComprehensiveIncomeLossParenthetical" ], "xbrltype": "stringItemType" }, "us-gaap_SaleOfStockConsiderationReceivedOnTransaction": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Cash received on stock transaction after deduction of issuance costs.", "label": "Net proceeds from issuance of common stock and warrants" } } }, "localname": "SaleOfStockConsiderationReceivedOnTransaction", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/EquityCapitalStructure2021FirstRegisteredDirectEquityOfferingDetails", "http://castormaritime.com/role/EquityCapitalStructure2021SecondRegisteredDirectEquityOfferingDetails", "http://castormaritime.com/role/EquityCapitalStructure2021ThirdRegisteredDirectEquityOfferingDetails", "http://castormaritime.com/role/EquityCapitalStructureAtthemarketCommonStockOfferingDetails", "http://castormaritime.com/role/EquityCapitalStructureIssuanceOfCommonStockInConnectionWithClassWarrantsAndJuly2020EquityOfferingWarrantsDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_SaleOfStockNameOfTransactionDomain": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Sale of the entity's stock, including, but not limited to, initial public offering (IPO) and private placement.", "label": "Sale of Stock [Domain]" } } }, "localname": "SaleOfStockNameOfTransactionDomain", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/EquityCapitalStructure2021FirstRegisteredDirectEquityOfferingDetails", "http://castormaritime.com/role/EquityCapitalStructure2021SecondRegisteredDirectEquityOfferingDetails", "http://castormaritime.com/role/EquityCapitalStructure2021ThirdRegisteredDirectEquityOfferingDetails", "http://castormaritime.com/role/EquityCapitalStructureIssuanceOfCommonStockInConnectionWithClassWarrantsAndJuly2020EquityOfferingWarrantsDetails" ], "xbrltype": "domainItemType" }, "us-gaap_ScheduleOfDebtTableTextBlock": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Tabular disclosure of information pertaining to short-term and long-debt instruments or arrangements, including but not limited to identification of terms, features, collateral requirements and other information necessary to a fair presentation.", "label": "Schedule of Debt [Table Text Block]", "terseLabel": "Long-Term Debt Including Related Party Debt" } } }, "localname": "ScheduleOfDebtTableTextBlock", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/LongtermDebtTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock": { "auth_ref": [ "r130" ], "lang": { "en-us": { "role": { "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.", "label": "Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]", "terseLabel": "Calculation of Basic and Diluted Earnings/ (Loss) per Share" } } }, "localname": "ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/EarningsLossPerShareTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_ScheduleOfMaturitiesOfLongTermDebtTableTextBlock": { "auth_ref": [ "r188" ], "lang": { "en-us": { "role": { "documentation": "Tabular disclosure of maturity and sinking fund requirement for long-term debt.", "label": "Schedule of Maturities of Long-term Debt [Table Text Block]", "terseLabel": "Annual Principal Payments" } } }, "localname": "ScheduleOfMaturitiesOfLongTermDebtTableTextBlock", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/LongtermDebtTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_ScheduleOfOtherNonoperatingIncomeExpenseTableTextBlock": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Tabular disclosure of the components of non-operating income or non-operating expense that may include amounts earned from dividends, interest on securities, gains (losses) on securities sold, equity earnings of unconsolidated affiliates, net gain (loss) on sales of business, interest expense and other miscellaneous income or expense items.", "label": "Schedule of Other Nonoperating Income (Expense) [Table Text Block]", "terseLabel": "Interest and Finance Costs" } } }, "localname": "ScheduleOfOtherNonoperatingIncomeExpenseTableTextBlock", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/InterestAndFinanceCostsTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_ScheduleOfPropertyPlantAndEquipmentTable": { "auth_ref": [ "r42", "r178" ], "lang": { "en-us": { "role": { "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.", "label": "Property, Plant and Equipment [Table]" } } }, "localname": "ScheduleOfPropertyPlantAndEquipmentTable", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/VesselsNetAdvancesForVesselAcquisitionsNetBookValueDetails", "http://castormaritime.com/role/VesselsNetAdvancesForVesselAcquisitionsVesselAcquisitionsAndOtherCapitalExpendituresDetails" ], "xbrltype": "stringItemType" }, "us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable": { "auth_ref": [ "r333", "r334" ], "lang": { "en-us": { "role": { "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.", "label": "Schedule of Related Party Transactions, by Related Party [Table]" } } }, "localname": "ScheduleOfRelatedPartyTransactionsByRelatedPartyTable", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/TransactionsWithRelatedPartiesCastorShipsDetails", "http://castormaritime.com/role/TransactionsWithRelatedPartiesPavimarDetails", "http://castormaritime.com/role/TransactionsWithRelatedPartiesSummaryDetails", "http://castormaritime.com/role/TransactionsWithRelatedPartiesThalassaDetails" ], "xbrltype": "stringItemType" }, "us-gaap_ScheduleOfRelatedPartyTransactionsTableTextBlock": { "auth_ref": [], "lang": { "en-us": { "role": { "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.", "label": "Schedule of Related Party Transactions [Table Text Block]", "terseLabel": "Transactions with Related Parties" } } }, "localname": "ScheduleOfRelatedPartyTransactionsTableTextBlock", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/TransactionsWithRelatedPartiesTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_ScheduleOfStockByClassTable": { "auth_ref": [ "r50", "r99", "r139", "r140", "r229", "r230", "r231", "r232", "r233", "r234", "r235", "r237", "r241", "r246", "r249", "r250", "r251", "r252", "r253", "r254", "r255" ], "lang": { "en-us": { "role": { "documentation": "Schedule detailing information related to equity by class of stock. Class of stock includes common, convertible, and preferred stocks which are not redeemable or redeemable solely at the option of the issuer. It also includes preferred stock with redemption features that are solely within the control of the issuer and mandatorily redeemable stock if redemption is required to occur only upon liquidation or termination of the reporting entity.", "label": "Schedule of Stock by Class [Table]" } } }, "localname": "ScheduleOfStockByClassTable", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/EquityCapitalStructure2021FirstRegisteredDirectEquityOfferingDetails", "http://castormaritime.com/role/EquityCapitalStructure2021SecondRegisteredDirectEquityOfferingDetails", "http://castormaritime.com/role/EquityCapitalStructure2021ThirdRegisteredDirectEquityOfferingDetails", "http://castormaritime.com/role/EquityCapitalStructureAtthemarketCommonStockOfferingDetails", "http://castormaritime.com/role/EquityCapitalStructureIssuanceOfCommonStockInConnectionWithClassWarrantsAndJuly2020EquityOfferingWarrantsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_SecuredDebtCurrent": { "auth_ref": [ "r22", "r368", "r387" ], "calculation": { "http://castormaritime.com/role/LongtermDebtLongtermDebtIncludingRelatedPartyDebtDetails": { "order": null, "parentTag": null, "root": true, "weight": null }, "http://castormaritime.com/role/LongtermDebtLongtermDebtIncludingRelatedPartyDebtDetailsCalc2": { "order": 0.0, "parentTag": "us-gaap_LongTermDebt", "weight": 1.0 }, "http://castormaritime.com/role/UnauditedInterimConsolidatedBalanceSheets": { "order": 5.0, "parentTag": "us-gaap_LiabilitiesCurrent", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Carrying value as of the balance sheet date of the portion of long-term, collateralized debt obligations due within one year or the operating cycle, if longer. Such obligations include mortgage loans, chattel loans, and any other borrowings secured by assets of the borrower.", "label": "Secured Debt, Current", "terseLabel": "Current portion of long-term debt, net", "totalLabel": "Current portion of long-term debt, net of deferred finance costs" } } }, "localname": "SecuredDebtCurrent", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/LongtermDebtLongtermDebtIncludingRelatedPartyDebtDetails", "http://castormaritime.com/role/UnauditedInterimConsolidatedBalanceSheets" ], "xbrltype": "monetaryItemType" }, "us-gaap_SecuredLongTermDebt": { "auth_ref": [ "r48" ], "calculation": { "http://castormaritime.com/role/LongtermDebtLongtermDebtIncludingRelatedPartyDebtDetails": { "order": null, "parentTag": null, "root": true, "weight": null }, "http://castormaritime.com/role/LongtermDebtLongtermDebtIncludingRelatedPartyDebtDetailsCalc2": { "order": 1.0, "parentTag": "us-gaap_LongTermDebt", "weight": 1.0 }, "http://castormaritime.com/role/UnauditedInterimConsolidatedBalanceSheets": { "order": 1.0, "parentTag": "us-gaap_LiabilitiesNoncurrent", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Carrying amount of collateralized debt obligations with maturities initially due after one year or beyond the operating cycle, if longer, excluding the current portion. Obligations include, but not limited to, mortgage loans, chattel loans, and other borrowings secured by assets.", "label": "Long-term debt, net", "totalLabel": "Non-Current portion of long-term debt, net of deferred finance costs" } } }, "localname": "SecuredLongTermDebt", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/LongtermDebtLongtermDebtIncludingRelatedPartyDebtDetails", "http://castormaritime.com/role/UnauditedInterimConsolidatedBalanceSheets" ], "xbrltype": "monetaryItemType" }, "us-gaap_SegmentReportingAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Segment Reporting [Abstract]" } } }, "localname": "SegmentReportingAbstract", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/SignificantAccountingPoliciesAndRecentAccountingPronouncementsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_SegmentReportingPolicyPolicyTextBlock": { "auth_ref": [ "r150", "r151", "r152", "r153", "r154", "r155", "r166" ], "lang": { "en-us": { "role": { "documentation": "Disclosure of accounting policy for segment reporting.", "label": "Segment Reporting, Policy [Policy Text Block]", "terseLabel": "Segment Reporting" } } }, "localname": "SegmentReportingPolicyPolicyTextBlock", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/SignificantAccountingPoliciesAndRecentAccountingPronouncementsPolicies" ], "xbrltype": "textBlockItemType" }, "us-gaap_SeriesAPreferredStockMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Outstanding nonredeemable series A preferred stock or outstanding series A preferred stock. Classified within stockholders' equity if nonredeemable or redeemable solely at the option of the issuer. Classified within temporary equity if redemption is outside the control of the issuer.", "label": "Series A Preferred Shares [Member]", "terseLabel": "Preferred A Shares [Member]" } } }, "localname": "SeriesAPreferredStockMember", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/UnauditedInterimConsolidatedBalanceSheets", "http://castormaritime.com/role/UnauditedInterimConsolidatedBalanceSheetsParenthetical", "http://castormaritime.com/role/UnauditedInterimConsolidatedStatementsOfShareholdersEquity" ], "xbrltype": "domainItemType" }, "us-gaap_SeriesBPreferredStockMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Outstanding nonredeemable series B preferred stock or outstanding series B preferred stock. Classified within stockholders' equity if nonredeemable or redeemable solely at the option of the issuer. Classified within temporary equity if redemption is outside the control of the issuer.", "label": "Series B Preferred Shares [Member]", "terseLabel": "Preferred B Shares [Member]" } } }, "localname": "SeriesBPreferredStockMember", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/BasisOfPresentationAndGeneralInformationGeneralInformationDetails", "http://castormaritime.com/role/UnauditedInterimConsolidatedBalanceSheets", "http://castormaritime.com/role/UnauditedInterimConsolidatedBalanceSheetsParenthetical", "http://castormaritime.com/role/UnauditedInterimConsolidatedStatementsOfShareholdersEquity" ], "xbrltype": "domainItemType" }, "us-gaap_SharesOutstanding": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Number of shares issued which are neither cancelled nor held in the treasury.", "label": "Shares, Outstanding", "periodEndLabel": "Balance (in shares)", "periodStartLabel": "Balance (in shares)" } } }, "localname": "SharesOutstanding", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/UnauditedInterimConsolidatedStatementsOfShareholdersEquity" ], "xbrltype": "sharesItemType" }, "us-gaap_SignificantAccountingPoliciesTextBlock": { "auth_ref": [ "r98", "r106" ], "lang": { "en-us": { "role": { "documentation": "The entire disclosure for all significant accounting policies of the reporting entity.", "label": "Significant Accounting Policies [Text Block]", "terseLabel": "Significant Accounting Policies and Recent Accounting Pronouncements" } } }, "localname": "SignificantAccountingPoliciesTextBlock", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/SignificantAccountingPoliciesAndRecentAccountingPronouncements" ], "xbrltype": "textBlockItemType" }, "us-gaap_StatementClassOfStockAxis": { "auth_ref": [ "r27", "r28", "r29", "r99", "r102", "r123", "r124", "r125", "r128", "r130", "r139", "r140", "r141", "r171", "r189", "r194", "r195", "r196", "r200", "r201", "r232", "r233", "r237", "r241", "r248", "r306", "r419" ], "lang": { "en-us": { "role": { "documentation": "Information by the different classes of stock of the entity.", "label": "Class of Stock [Axis]" } } }, "localname": "StatementClassOfStockAxis", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/BasisOfPresentationAndGeneralInformationGeneralInformationDetails", "http://castormaritime.com/role/UnauditedInterimConsolidatedBalanceSheets", "http://castormaritime.com/role/UnauditedInterimConsolidatedBalanceSheetsParenthetical", "http://castormaritime.com/role/UnauditedInterimConsolidatedStatementsOfShareholdersEquity" ], "xbrltype": "stringItemType" }, "us-gaap_StatementEquityComponentsAxis": { "auth_ref": [ "r0", "r52", "r61", "r62", "r63", "r107", "r108", "r109", "r111", "r117", "r119", "r138", "r172", "r248", "r255", "r285", "r286", "r287", "r290", "r291", "r300", "r312", "r313", "r314", "r315", "r316", "r317", "r405", "r406", "r407", "r421" ], "lang": { "en-us": { "role": { "documentation": "Information by component of equity.", "label": "Equity Components [Axis]" } } }, "localname": "StatementEquityComponentsAxis", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/EquityCapitalStructureAtthemarketCommonStockOfferingDetails", "http://castormaritime.com/role/UnauditedInterimConsolidatedStatementsOfShareholdersEquity" ], "xbrltype": "stringItemType" }, "us-gaap_StatementLineItems": { "auth_ref": [], "lang": { "en-us": { "role": { "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.", "label": "Statement [Line Items]" } } }, "localname": "StatementLineItems", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/UnauditedInterimConsolidatedBalanceSheets", "http://castormaritime.com/role/UnauditedInterimConsolidatedBalanceSheetsParenthetical", "http://castormaritime.com/role/UnauditedInterimConsolidatedStatementsOfCashFlowsParenthetical", "http://castormaritime.com/role/UnauditedInterimConsolidatedStatementsOfShareholdersEquity", "http://castormaritime.com/role/UnauditedInterimConsolidatedStatementsOfShareholdersEquityParenthetical" ], "xbrltype": "stringItemType" }, "us-gaap_StatementOfCashFlowsAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "UNAUDITED INTERIM CONSOLIDATED STATEMENTS OF CASH FLOWS [Abstract]" } } }, "localname": "StatementOfCashFlowsAbstract", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "xbrltype": "stringItemType" }, "us-gaap_StatementOfFinancialPositionAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "UNAUDITED INTERIM CONSOLIDATED BALANCE SHEETS [Abstract]" } } }, "localname": "StatementOfFinancialPositionAbstract", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "xbrltype": "stringItemType" }, "us-gaap_StatementOfStockholdersEquityAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "UNAUDITED INTERIM CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY [Abstract]" } } }, "localname": "StatementOfStockholdersEquityAbstract", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "xbrltype": "stringItemType" }, "us-gaap_StatementTable": { "auth_ref": [ "r107", "r108", "r109", "r138", "r351" ], "lang": { "en-us": { "role": { "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.", "label": "Statement [Table]" } } }, "localname": "StatementTable", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/UnauditedInterimConsolidatedBalanceSheets", "http://castormaritime.com/role/UnauditedInterimConsolidatedBalanceSheetsParenthetical", "http://castormaritime.com/role/UnauditedInterimConsolidatedStatementsOfCashFlowsParenthetical", "http://castormaritime.com/role/UnauditedInterimConsolidatedStatementsOfShareholdersEquity", "http://castormaritime.com/role/UnauditedInterimConsolidatedStatementsOfShareholdersEquityParenthetical" ], "xbrltype": "stringItemType" }, "us-gaap_StockIssuedDuringPeriodSharesConversionOfConvertibleSecurities": { "auth_ref": [ "r51", "r214", "r248", "r249", "r255" ], "lang": { "en-us": { "role": { "documentation": "Number of shares issued during the period as a result of the conversion of convertible securities.", "label": "Stock Issued During Period, Shares, Conversion of Convertible Securities", "terseLabel": "Issuance of common stock pursuant to the $5.0 Million Convertible Debentures (Notes 6, 7) (in shares)" } } }, "localname": "StockIssuedDuringPeriodSharesConversionOfConvertibleSecurities", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/UnauditedInterimConsolidatedStatementsOfShareholdersEquity" ], "xbrltype": "sharesItemType" }, "us-gaap_StockIssuedDuringPeriodSharesNewIssues": { "auth_ref": [ "r28", "r29", "r248", "r255" ], "lang": { "en-us": { "role": { "documentation": "Number of new stock issued during the period.", "label": "Issuance of common stock (in shares)" } } }, "localname": "StockIssuedDuringPeriodSharesNewIssues", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/EquityCapitalStructure2021FirstRegisteredDirectEquityOfferingDetails", "http://castormaritime.com/role/EquityCapitalStructure2021SecondRegisteredDirectEquityOfferingDetails", "http://castormaritime.com/role/EquityCapitalStructure2021ThirdRegisteredDirectEquityOfferingDetails", "http://castormaritime.com/role/EquityCapitalStructureAtthemarketCommonStockOfferingDetails", "http://castormaritime.com/role/EquityCapitalStructureIssuanceOfCommonStockInConnectionWithClassWarrantsAndJuly2020EquityOfferingWarrantsDetails" ], "xbrltype": "sharesItemType" }, "us-gaap_StockIssuedDuringPeriodValueConversionOfConvertibleSecurities": { "auth_ref": [ "r52", "r248", "r255" ], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The gross value of stock issued during the period upon the conversion of convertible securities.", "label": "Stock Issued During Period, Value, Conversion of Convertible Securities", "verboseLabel": "Issuance of common stock pursuant to the $5.0 Million Convertible Debentures (Notes 6, 7)" } } }, "localname": "StockIssuedDuringPeriodValueConversionOfConvertibleSecurities", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/UnauditedInterimConsolidatedStatementsOfShareholdersEquity" ], "xbrltype": "monetaryItemType" }, "us-gaap_StockholdersEquity": { "auth_ref": [ "r29", "r34", "r35", "r102", "r170", "r171", "r306", "r340" ], "calculation": { "http://castormaritime.com/role/UnauditedInterimConsolidatedBalanceSheets": { "order": 3.0, "parentTag": "us-gaap_LiabilitiesAndStockholdersEquity", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which are attributable to the parent. The amount of the economic entity's stockholders' equity attributable to the parent excludes the amount of stockholders' equity which is allocable to that ownership interest in subsidiary equity which is not attributable to the parent (noncontrolling interest, minority interest). This excludes temporary equity and is sometimes called permanent equity.", "label": "Stockholders' Equity Attributable to Parent", "periodEndLabel": "Balance", "periodStartLabel": "Balance", "totalLabel": "Total shareholders' equity" } } }, "localname": "StockholdersEquity", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/UnauditedInterimConsolidatedBalanceSheets", "http://castormaritime.com/role/UnauditedInterimConsolidatedStatementsOfShareholdersEquity" ], "xbrltype": "monetaryItemType" }, "us-gaap_StockholdersEquityAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Stockholders' Equity Attributable to Parent [Abstract]", "terseLabel": "SHAREHOLDERS' EQUITY:" } } }, "localname": "StockholdersEquityAbstract", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/UnauditedInterimConsolidatedBalanceSheets", "http://castormaritime.com/role/UnauditedInterimConsolidatedBalanceSheetsParenthetical" ], "xbrltype": "stringItemType" }, "us-gaap_StockholdersEquityNoteAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Stockholders' Equity Note [Abstract]", "terseLabel": "Equity Capital Structure [Abstract]" } } }, "localname": "StockholdersEquityNoteAbstract", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/EquityCapitalStructure2021FirstRegisteredDirectEquityOfferingDetails", "http://castormaritime.com/role/EquityCapitalStructure2021SecondRegisteredDirectEquityOfferingDetails", "http://castormaritime.com/role/EquityCapitalStructure2021ThirdRegisteredDirectEquityOfferingDetails", "http://castormaritime.com/role/EquityCapitalStructureIssuanceOfCommonStockInConnectionWithClassWarrantsAndJuly2020EquityOfferingWarrantsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_StockholdersEquityNoteDisclosureTextBlock": { "auth_ref": [ "r100", "r233", "r236", "r237", "r238", "r239", "r240", "r241", "r242", "r243", "r244", "r245", "r247", "r255", "r258" ], "lang": { "en-us": { "role": { "documentation": "The entire disclosure for shareholders' equity comprised of portions attributable to the parent entity and noncontrolling interest, including other comprehensive income. Includes, but is not limited to, balances of common stock, preferred stock, additional paid-in capital, other capital and retained earnings, accumulated balance for each classification of other comprehensive income and amount of comprehensive income.", "label": "Equity Capital Structure" } } }, "localname": "StockholdersEquityNoteDisclosureTextBlock", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/EquityCapitalStructure" ], "xbrltype": "textBlockItemType" }, "us-gaap_StockholdersEquityNoteStockSplitConversionRatio1": { "auth_ref": [ "r256" ], "lang": { "en-us": { "role": { "documentation": "Ratio applied to the conversion of stock split, for example but not limited to, one share converted to two or two shares converted to one.", "label": "Reverse stock split" } } }, "localname": "StockholdersEquityNoteStockSplitConversionRatio1", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/EquityCapitalStructureReverseStockSplitDetails" ], "xbrltype": "pureItemType" }, "us-gaap_SubsequentEventLineItems": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.", "label": "Subsequent Event [Line Items]" } } }, "localname": "SubsequentEventLineItems", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/SubsequentEventsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_SubsequentEventMember": { "auth_ref": [ "r318", "r342" ], "lang": { "en-us": { "role": { "documentation": "Identifies event that occurred after the balance sheet date but before financial statements are issued or available to be issued.", "label": "Subsequent Event [Member]" } } }, "localname": "SubsequentEventMember", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/SubsequentEventsDetails", "http://castormaritime.com/role/VesselsNetAdvancesForVesselAcquisitionsVesselAcquisitionsAndOtherCapitalExpendituresDetails" ], "xbrltype": "domainItemType" }, "us-gaap_SubsequentEventTable": { "auth_ref": [ "r318", "r342" ], "lang": { "en-us": { "role": { "documentation": "Discloses pertinent information about one or more significant events or transactions that occurred after the balance sheet date through the date the financial statements were issued or the date the financial statements were available to be issued.", "label": "Subsequent Event [Table]" } } }, "localname": "SubsequentEventTable", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/SubsequentEventsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_SubsequentEventTypeAxis": { "auth_ref": [ "r318", "r342" ], "lang": { "en-us": { "role": { "documentation": "Information by event that occurred after the balance sheet date but before financial statements are issued or available to be issued.", "label": "Subsequent Event Type [Axis]" } } }, "localname": "SubsequentEventTypeAxis", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/SubsequentEventsDetails", "http://castormaritime.com/role/VesselsNetAdvancesForVesselAcquisitionsVesselAcquisitionsAndOtherCapitalExpendituresDetails" ], "xbrltype": "stringItemType" }, "us-gaap_SubsequentEventTypeDomain": { "auth_ref": [ "r318", "r342" ], "lang": { "en-us": { "role": { "documentation": "Event that occurred after the balance sheet date but before financial statements are issued or available to be issued.", "label": "Subsequent Event Type [Domain]" } } }, "localname": "SubsequentEventTypeDomain", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/SubsequentEventsDetails", "http://castormaritime.com/role/VesselsNetAdvancesForVesselAcquisitionsVesselAcquisitionsAndOtherCapitalExpendituresDetails" ], "xbrltype": "domainItemType" }, "us-gaap_SubsequentEventsAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Subsequent Events [Abstract]" } } }, "localname": "SubsequentEventsAbstract", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "xbrltype": "stringItemType" }, "us-gaap_SubsequentEventsTextBlock": { "auth_ref": [ "r341", "r343" ], "lang": { "en-us": { "role": { "documentation": "The entire disclosure for significant events or transactions that occurred after the balance sheet date through the date the financial statements were issued or the date the financial statements were available to be issued. Examples include: the sale of a capital stock issue, purchase of a business, settlement of litigation, catastrophic loss, significant foreign exchange rate changes, loans to insiders or affiliates, and transactions not in the ordinary course of business.", "label": "Subsequent Events" } } }, "localname": "SubsequentEventsTextBlock", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/SubsequentEvents" ], "xbrltype": "textBlockItemType" }, "us-gaap_SubsidiarySaleOfStockAxis": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Information by type of sale of the entity's stock.", "label": "Sale of Stock [Axis]" } } }, "localname": "SubsidiarySaleOfStockAxis", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/EquityCapitalStructure2021FirstRegisteredDirectEquityOfferingDetails", "http://castormaritime.com/role/EquityCapitalStructure2021SecondRegisteredDirectEquityOfferingDetails", "http://castormaritime.com/role/EquityCapitalStructure2021ThirdRegisteredDirectEquityOfferingDetails", "http://castormaritime.com/role/EquityCapitalStructureIssuanceOfCommonStockInConnectionWithClassWarrantsAndJuly2020EquityOfferingWarrantsDetails" ], "xbrltype": "stringItemType" }, "us-gaap_SupplementalCashFlowInformationAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "SUPPLEMENTAL CASH FLOW INFORMATION", "terseLabel": "Supplemental Cash Flow Information [Abstract]" } } }, "localname": "SupplementalCashFlowInformationAbstract", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/UnauditedInterimConsolidatedStatementsOfCashFlows", "http://castormaritime.com/role/UnauditedInterimConsolidatedStatementsOfCashFlowsParenthetical" ], "xbrltype": "stringItemType" }, "us-gaap_TaxesExcludingIncomeAndExciseTaxes": { "auth_ref": [ "r70" ], "calculation": { "http://castormaritime.com/role/VesselOperatingAndVoyageExpensesDetails": { "order": 5.0, "parentTag": "us-gaap_OperatingCostsAndExpenses", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "All taxes not related to income of the entity or excise or sales taxes levied on the revenue of the entity that are not reported elsewhere. These taxes could include production, real estate, personal property, and pump tax.", "label": "Taxes, Miscellaneous", "terseLabel": "Tonnage taxes" } } }, "localname": "TaxesExcludingIncomeAndExciseTaxes", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/VesselOperatingAndVoyageExpensesDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_WarrantsAndRightsOutstanding": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Value of outstanding derivative securities that permit the holder the right to purchase securities (usually equity) from the issuer at a specified price.", "label": "Fair value of warrants" } } }, "localname": "WarrantsAndRightsOutstanding", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/EquityCapitalStructure2021FirstRegisteredDirectEquityOfferingDetails", "http://castormaritime.com/role/EquityCapitalStructure2021SecondRegisteredDirectEquityOfferingDetails", "http://castormaritime.com/role/EquityCapitalStructure2021ThirdRegisteredDirectEquityOfferingDetails" ], "xbrltype": "monetaryItemType" }, "us-gaap_WarrantsAndRightsOutstandingMeasurementInput": { "auth_ref": [ "r304" ], "lang": { "en-us": { "role": { "documentation": "Value of input used to measure outstanding warrant and right embodying unconditional obligation requiring redemption by transferring asset at specified or determinable date or upon event certain to occur.", "label": "Warrants and Rights Outstanding, Measurement Input", "terseLabel": "Measurement input - Volatility" } } }, "localname": "WarrantsAndRightsOutstandingMeasurementInput", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/EquityCapitalStructure2021FirstRegisteredDirectEquityOfferingDetails", "http://castormaritime.com/role/EquityCapitalStructure2021SecondRegisteredDirectEquityOfferingDetails", "http://castormaritime.com/role/EquityCapitalStructure2021ThirdRegisteredDirectEquityOfferingDetails" ], "xbrltype": "decimalItemType" }, "us-gaap_WarrantsAndRightsOutstandingTerm": { "auth_ref": [ "r304" ], "lang": { "en-us": { "role": { "documentation": "Period between issuance and expiration of outstanding warrant and right embodying unconditional obligation requiring redemption by transferring asset at specified or determinable date or upon event certain to occur, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.", "label": "Warrants and Rights Outstanding, Term", "terseLabel": "Term of warrant" } } }, "localname": "WarrantsAndRightsOutstandingTerm", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/EquityCapitalStructure2021FirstRegisteredDirectEquityOfferingDetails", "http://castormaritime.com/role/EquityCapitalStructure2021SecondRegisteredDirectEquityOfferingDetails", "http://castormaritime.com/role/EquityCapitalStructure2021ThirdRegisteredDirectEquityOfferingDetails" ], "xbrltype": "durationItemType" }, "us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment": { "auth_ref": [ "r130" ], "lang": { "en-us": { "role": { "documentation": "The sum of dilutive potential common shares or units used in the calculation of the diluted per-share or per-unit computation.", "label": "Weighted Average Number Diluted Shares Outstanding Adjustment", "terseLabel": "Plus: Dilutive effect of warrants (in shares)" } } }, "localname": "WeightedAverageNumberDilutedSharesOutstandingAdjustment", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/EarningsLossPerShareDetails" ], "xbrltype": "sharesItemType" }, "us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding": { "auth_ref": [ "r122", "r130" ], "lang": { "en-us": { "role": { "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.", "label": "Weighted average number of common shares, diluted (in shares)", "terseLabel": "Weighted average number of common shares outstanding, diluted (in shares)" } } }, "localname": "WeightedAverageNumberOfDilutedSharesOutstanding", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/EarningsLossPerShareDetails", "http://castormaritime.com/role/UnauditedInterimCondensedConsolidatedStatementsOfComprehensiveIncomeLoss" ], "xbrltype": "sharesItemType" }, "us-gaap_WeightedAverageNumberOfSharesOutstandingBasic": { "auth_ref": [ "r120", "r130" ], "lang": { "en-us": { "role": { "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.", "label": "Weighted average number of common shares outstanding, basic (in shares)", "terseLabel": "Weighted average number of common shares, basic (in shares)" } } }, "localname": "WeightedAverageNumberOfSharesOutstandingBasic", "nsuri": "http://fasb.org/us-gaap/2021-01-31", "presentation": [ "http://castormaritime.com/role/EarningsLossPerShareDetails", "http://castormaritime.com/role/UnauditedInterimCondensedConsolidatedStatementsOfComprehensiveIncomeLoss" ], "xbrltype": "sharesItemType" } }, "unitCount": 12 } }, "std_ref": { "r0": { "Name": "Accounting Standards Codification", "Paragraph": "6", "Publisher": "FASB", "Section": "65", "SubTopic": "10", "Subparagraph": "(c)", "Topic": "105", "URI": "http://asc.fasb.org/extlink&oid=124434974&loc=SL124442142-165695" }, "r1": { "Name": "Accounting Standards Codification", "Paragraph": "7", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Topic": "205", "URI": "http://asc.fasb.org/extlink&oid=109222650&loc=SL51721683-107760" }, "r10": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 201.5-02(24))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682" }, "r100": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.4-08(e)(1))", "Topic": "235", "URI": "http://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690" }, "r101": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.4-08(f))", "Topic": "235", "URI": "http://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690" }, "r102": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.4-08(g)(1)(ii))", "Topic": "235", "URI": "http://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690" }, "r103": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.4-08(h))", "Topic": "235", "URI": "http://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690" }, "r104": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.4-08(k)(1))", "Topic": "235", "URI": "http://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690" }, "r105": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.12-04(a))", "Topic": "235", "URI": "http://asc.fasb.org/extlink&oid=120395691&loc=d3e24072-122690" }, "r106": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "235", "URI": "http://asc.fasb.org/topic&trid=2122369" }, "r107": { "Name": "Accounting Standards Codification", "Paragraph": "23", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "250", "URI": "http://asc.fasb.org/extlink&oid=124436220&loc=d3e21914-107793" }, "r108": { "Name": "Accounting Standards Codification", "Paragraph": "24", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "250", "URI": "http://asc.fasb.org/extlink&oid=124436220&loc=d3e21930-107793" }, "r109": { "Name": "Accounting Standards Codification", "Paragraph": "5", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "250", "URI": "http://asc.fasb.org/extlink&oid=124436220&loc=d3e21711-107793" }, "r11": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 201.5-02(25))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682" }, "r110": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(b)(2)", "Topic": "250", "URI": "http://asc.fasb.org/extlink&oid=124431687&loc=d3e22499-107794" }, "r111": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(b)(3)", "Topic": "250", "URI": "http://asc.fasb.org/extlink&oid=124431687&loc=d3e22499-107794" }, "r112": { "Name": "Accounting Standards Codification", "Paragraph": "11", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "250", "URI": "http://asc.fasb.org/extlink&oid=124431687&loc=d3e22694-107794" }, "r113": { "Name": "Accounting Standards Codification", "Paragraph": "11", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "250", "URI": "http://asc.fasb.org/extlink&oid=124431687&loc=d3e22694-107794" }, "r114": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "250", "URI": "http://asc.fasb.org/extlink&oid=124431687&loc=d3e22583-107794" }, "r115": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "250", "URI": "http://asc.fasb.org/extlink&oid=124431687&loc=d3e22595-107794" }, "r116": { "Name": "Accounting Standards Codification", "Paragraph": "7", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "250", "URI": "http://asc.fasb.org/extlink&oid=124431687&loc=d3e22644-107794" }, "r117": { "Name": "Accounting Standards Codification", "Paragraph": "7", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "250", "URI": "http://asc.fasb.org/extlink&oid=124431687&loc=d3e22644-107794" }, "r118": { "Name": "Accounting Standards Codification", "Paragraph": "8", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "250", "URI": "http://asc.fasb.org/extlink&oid=124431687&loc=d3e22658-107794" }, "r119": { "Name": "Accounting Standards Codification", "Paragraph": "9", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "250", "URI": "http://asc.fasb.org/extlink&oid=124431687&loc=d3e22663-107794" }, "r12": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 201.5-02(26))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682" }, "r120": { "Name": "Accounting Standards Codification", "Paragraph": "10", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "260", "URI": "http://asc.fasb.org/extlink&oid=125511455&loc=d3e1448-109256" }, "r121": { "Name": "Accounting Standards Codification", "Paragraph": "11", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "260", "URI": "http://asc.fasb.org/extlink&oid=125511455&loc=d3e1377-109256" }, "r122": { "Name": "Accounting Standards Codification", "Paragraph": "16", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "260", "URI": "http://asc.fasb.org/extlink&oid=125511455&loc=d3e1505-109256" }, "r123": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "260", "URI": "http://asc.fasb.org/extlink&oid=125511455&loc=d3e1252-109256" }, "r124": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "260", "URI": "http://asc.fasb.org/extlink&oid=125511455&loc=d3e1278-109256" }, "r125": { "Name": "Accounting Standards Codification", "Paragraph": "55", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "260", "URI": "http://asc.fasb.org/extlink&oid=125511455&loc=d3e2626-109256" }, "r126": { "Name": "Accounting Standards Codification", "Paragraph": "60B", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "260", "URI": "http://asc.fasb.org/extlink&oid=125511455&loc=SL5780133-109256" }, "r127": { "Name": "Accounting Standards Codification", "Paragraph": "60B", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(c)", "Topic": "260", "URI": "http://asc.fasb.org/extlink&oid=125511455&loc=SL5780133-109256" }, "r128": { "Name": "Accounting Standards Codification", "Paragraph": "60B", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(d)", "Topic": "260", "URI": "http://asc.fasb.org/extlink&oid=125511455&loc=SL5780133-109256" }, "r129": { "Name": "Accounting Standards Codification", "Paragraph": "7", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "260", "URI": "http://asc.fasb.org/extlink&oid=125511455&loc=d3e1337-109256" }, "r13": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02(1))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682" }, "r130": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "260", "URI": "http://asc.fasb.org/extlink&oid=124432515&loc=d3e3550-109257" }, "r131": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)", "Topic": "260", "URI": "http://asc.fasb.org/extlink&oid=124432515&loc=d3e3550-109257" }, "r132": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "260", "URI": "http://asc.fasb.org/extlink&oid=124432515&loc=d3e3630-109257" }, "r133": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "260", "URI": "http://asc.fasb.org/extlink&oid=109243012&loc=SL65017193-207537" }, "r134": { "Name": "Accounting Standards Codification", "Paragraph": "15", "Publisher": "FASB", "Section": "55", "SubTopic": "10", "Topic": "260", "URI": "http://asc.fasb.org/extlink&oid=125512782&loc=d3e3842-109258" }, "r135": { "Name": "Accounting Standards Codification", "Paragraph": "52", "Publisher": "FASB", "Section": "55", "SubTopic": "10", "Topic": "260", "URI": "http://asc.fasb.org/extlink&oid=125512782&loc=d3e4984-109258" }, "r136": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "260", "URI": "http://asc.fasb.org/topic&trid=2144383" }, "r137": { "Name": "Accounting Standards Codification", "Paragraph": "6A", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "270", "URI": "http://asc.fasb.org/extlink&oid=124502072&loc=SL77927221-108306" }, "r138": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "272", "URI": "http://asc.fasb.org/extlink&oid=125520817&loc=d3e70191-108054" }, "r139": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "272", "URI": "http://asc.fasb.org/extlink&oid=125520817&loc=d3e70229-108054" }, "r14": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02(10))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682" }, "r140": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "272", "URI": "http://asc.fasb.org/extlink&oid=6373374&loc=d3e70434-108055" }, "r141": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "272", "URI": "http://asc.fasb.org/extlink&oid=6373374&loc=d3e70478-108055" }, "r142": { "Name": "Accounting Standards Codification", "Paragraph": "18", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "280", "URI": "http://asc.fasb.org/extlink&oid=123359005&loc=d3e8672-108599" }, "r143": { "Name": "Accounting Standards Codification", "Paragraph": "22", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "280", "URI": "http://asc.fasb.org/extlink&oid=123359005&loc=d3e8736-108599" }, "r144": { "Name": "Accounting Standards Codification", "Paragraph": "22", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "280", "URI": "http://asc.fasb.org/extlink&oid=123359005&loc=d3e8736-108599" }, "r145": { "Name": "Accounting Standards Codification", "Paragraph": "22", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)", "Topic": "280", "URI": "http://asc.fasb.org/extlink&oid=123359005&loc=d3e8736-108599" }, "r146": { "Name": "Accounting Standards Codification", "Paragraph": "22", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(d)", "Topic": "280", "URI": "http://asc.fasb.org/extlink&oid=123359005&loc=d3e8736-108599" }, "r147": { "Name": "Accounting Standards Codification", "Paragraph": "22", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(e)", "Topic": "280", "URI": "http://asc.fasb.org/extlink&oid=123359005&loc=d3e8736-108599" }, "r148": { "Name": "Accounting Standards Codification", "Paragraph": "22", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(h)", "Topic": "280", "URI": "http://asc.fasb.org/extlink&oid=123359005&loc=d3e8736-108599" }, "r149": { "Name": "Accounting Standards Codification", "Paragraph": "22", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "280", "URI": "http://asc.fasb.org/extlink&oid=123359005&loc=d3e8736-108599" }, "r15": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02(11))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682" }, "r150": { "Name": "Accounting Standards Codification", "Paragraph": "29", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "280", "URI": "http://asc.fasb.org/extlink&oid=123359005&loc=d3e8864-108599" }, "r151": { "Name": "Accounting Standards Codification", "Paragraph": "29", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "280", "URI": "http://asc.fasb.org/extlink&oid=123359005&loc=d3e8864-108599" }, "r152": { "Name": "Accounting Standards Codification", "Paragraph": "29", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)", "Topic": "280", "URI": "http://asc.fasb.org/extlink&oid=123359005&loc=d3e8864-108599" }, "r153": { "Name": "Accounting Standards Codification", "Paragraph": "29", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(d)", "Topic": "280", "URI": "http://asc.fasb.org/extlink&oid=123359005&loc=d3e8864-108599" }, "r154": { "Name": "Accounting Standards Codification", "Paragraph": "29", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(e)", "Topic": "280", "URI": "http://asc.fasb.org/extlink&oid=123359005&loc=d3e8864-108599" }, "r155": { "Name": "Accounting Standards Codification", "Paragraph": "29", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "280", "URI": "http://asc.fasb.org/extlink&oid=123359005&loc=d3e8864-108599" }, "r156": { "Name": "Accounting Standards Codification", "Paragraph": "30", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "280", "URI": "http://asc.fasb.org/extlink&oid=123359005&loc=d3e8906-108599" }, "r157": { "Name": "Accounting Standards Codification", "Paragraph": "30", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "280", "URI": "http://asc.fasb.org/extlink&oid=123359005&loc=d3e8906-108599" }, "r158": { "Name": "Accounting Standards Codification", "Paragraph": "30", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)", "Topic": "280", "URI": "http://asc.fasb.org/extlink&oid=123359005&loc=d3e8906-108599" }, "r159": { "Name": "Accounting Standards Codification", "Paragraph": "31", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "280", "URI": "http://asc.fasb.org/extlink&oid=123359005&loc=d3e8924-108599" }, "r16": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02(12))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682" }, "r160": { "Name": "Accounting Standards Codification", "Paragraph": "32", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "280", "URI": "http://asc.fasb.org/extlink&oid=123359005&loc=d3e8933-108599" }, "r161": { "Name": "Accounting Standards Codification", "Paragraph": "32", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "280", "URI": "http://asc.fasb.org/extlink&oid=123359005&loc=d3e8933-108599" }, "r162": { "Name": "Accounting Standards Codification", "Paragraph": "32", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)", "Topic": "280", "URI": "http://asc.fasb.org/extlink&oid=123359005&loc=d3e8933-108599" }, "r163": { "Name": "Accounting Standards Codification", "Paragraph": "32", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(d)", "Topic": "280", "URI": "http://asc.fasb.org/extlink&oid=123359005&loc=d3e8933-108599" }, "r164": { "Name": "Accounting Standards Codification", "Paragraph": "32", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(f)", "Topic": "280", "URI": "http://asc.fasb.org/extlink&oid=123359005&loc=d3e8933-108599" }, "r165": { "Name": "Accounting Standards Codification", "Paragraph": "40", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "280", "URI": "http://asc.fasb.org/extlink&oid=123359005&loc=d3e9031-108599" }, "r166": { "Name": "Accounting Standards Codification", "Paragraph": "41", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "280", "URI": "http://asc.fasb.org/extlink&oid=123359005&loc=d3e9038-108599" }, "r167": { "Name": "Accounting Standards Codification", "Paragraph": "42", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "280", "URI": "http://asc.fasb.org/extlink&oid=123359005&loc=d3e9054-108599" }, "r168": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "310", "URI": "http://asc.fasb.org/extlink&oid=124259787&loc=d3e4428-111522" }, "r169": { "Name": "Accounting Standards Codification", "Paragraph": "9", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "310", "URI": "http://asc.fasb.org/extlink&oid=124259787&loc=d3e4531-111522" }, "r17": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02(13))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682" }, "r170": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SAB Topic 4.E)", "Topic": "310", "URI": "http://asc.fasb.org/extlink&oid=122038336&loc=d3e74512-122707" }, "r171": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)", "Topic": "323", "URI": "http://asc.fasb.org/extlink&oid=114001798&loc=d3e33918-111571" }, "r172": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "65", "SubTopic": "10", "Subparagraph": "(d)", "Topic": "326", "URI": "http://asc.fasb.org/extlink&oid=122640432&loc=SL121648383-210437" }, "r173": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "40", "Subparagraph": "(a)", "Topic": "340", "URI": "http://asc.fasb.org/extlink&oid=123353750&loc=SL49131252-203054" }, "r174": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "40", "Subparagraph": "(b)", "Topic": "340", "URI": "http://asc.fasb.org/extlink&oid=123353750&loc=SL49131252-203054" }, "r175": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "360", "URI": "http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229" }, "r176": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "360", "URI": "http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229" }, "r177": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)", "Topic": "360", "URI": "http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229" }, "r178": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "360", "URI": "http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229" }, "r179": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "360", "URI": "http://asc.fasb.org/extlink&oid=109226691&loc=d3e2921-110230" }, "r18": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02(14))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682" }, "r180": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(d)", "Topic": "360", "URI": "http://asc.fasb.org/extlink&oid=109226691&loc=d3e2941-110230" }, "r181": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "360", "URI": "http://asc.fasb.org/topic&trid=2155823" }, "r182": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)", "Topic": "420", "URI": "http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869" }, "r183": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "440", "URI": "http://asc.fasb.org/extlink&oid=123406679&loc=d3e25336-109308" }, "r184": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)", "Topic": "440", "URI": "http://asc.fasb.org/extlink&oid=123406679&loc=d3e25336-109308" }, "r185": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "440", "URI": "http://asc.fasb.org/topic&trid=2144648" }, "r186": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Topic": "450", "URI": "http://asc.fasb.org/extlink&oid=121557415&loc=d3e14326-108349" }, "r187": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "450", "URI": "http://asc.fasb.org/topic&trid=2127136" }, "r188": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "470", "URI": "http://asc.fasb.org/extlink&oid=123465755&loc=d3e1835-112601" }, "r189": { "Name": "Accounting Standards Codification", "Paragraph": "1A", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.13-01(a)(4)(i))", "Topic": "470", "URI": "http://asc.fasb.org/extlink&oid=124359900&loc=SL124442526-122756" }, "r19": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02(15))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682" }, "r190": { "Name": "Accounting Standards Codification", "Paragraph": "1A", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.13-01(a)(4)(ii))", "Topic": "470", "URI": "http://asc.fasb.org/extlink&oid=124359900&loc=SL124442526-122756" }, "r191": { "Name": "Accounting Standards Codification", "Paragraph": "1A", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.13-01(a)(4)(iii)(A))", "Topic": "470", "URI": "http://asc.fasb.org/extlink&oid=124359900&loc=SL124442526-122756" }, "r192": { "Name": "Accounting Standards Codification", "Paragraph": "1A", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.13-01(a)(4)(iii)(B))", "Topic": "470", "URI": "http://asc.fasb.org/extlink&oid=124359900&loc=SL124442526-122756" }, "r193": { "Name": "Accounting Standards Codification", "Paragraph": "1A", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.13-01(a)(4)(iii))", "Topic": "470", "URI": "http://asc.fasb.org/extlink&oid=124359900&loc=SL124442526-122756" }, "r194": { "Name": "Accounting Standards Codification", "Paragraph": "1A", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.13-01(a)(4)(iv))", "Topic": "470", "URI": "http://asc.fasb.org/extlink&oid=124359900&loc=SL124442526-122756" }, "r195": { "Name": "Accounting Standards Codification", "Paragraph": "1A", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.13-01(a)(5))", "Topic": "470", "URI": "http://asc.fasb.org/extlink&oid=124359900&loc=SL124442526-122756" }, "r196": { "Name": "Accounting Standards Codification", "Paragraph": "1B", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.13-02(a)(4)(i))", "Topic": "470", "URI": "http://asc.fasb.org/extlink&oid=124359900&loc=SL124442552-122756" }, "r197": { "Name": "Accounting Standards Codification", "Paragraph": "1B", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.13-02(a)(4)(iii)(A))", "Topic": "470", "URI": "http://asc.fasb.org/extlink&oid=124359900&loc=SL124442552-122756" }, "r198": { "Name": "Accounting Standards Codification", "Paragraph": "1B", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.13-02(a)(4)(iii)(B))", "Topic": "470", "URI": "http://asc.fasb.org/extlink&oid=124359900&loc=SL124442552-122756" }, "r199": { "Name": "Accounting Standards Codification", "Paragraph": "1B", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.13-02(a)(4)(iii)(C))", "Topic": "470", "URI": "http://asc.fasb.org/extlink&oid=124359900&loc=SL124442552-122756" }, "r2": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "205", "URI": "http://asc.fasb.org/topic&trid=2122149" }, "r20": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02(16))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682" }, "r200": { "Name": "Accounting Standards Codification", "Paragraph": "1B", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.13-02(a)(4)(iv))", "Topic": "470", "URI": "http://asc.fasb.org/extlink&oid=124359900&loc=SL124442552-122756" }, "r201": { "Name": "Accounting Standards Codification", "Paragraph": "1B", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.13-02(a)(5))", "Topic": "470", "URI": "http://asc.fasb.org/extlink&oid=124359900&loc=SL124442552-122756" }, "r202": { "Name": "Accounting Standards Codification", "Paragraph": "22", "Publisher": "FASB", "Section": "25", "SubTopic": "20", "Topic": "470", "URI": "http://asc.fasb.org/extlink&oid=123466103&loc=SL6014347-161799" }, "r203": { "Name": "Accounting Standards Codification", "Paragraph": "1B", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(a)", "Topic": "470", "URI": "http://asc.fasb.org/extlink&oid=123466505&loc=SL123495323-112611" }, "r204": { "Name": "Accounting Standards Codification", "Paragraph": "1B", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(b)", "Topic": "470", "URI": "http://asc.fasb.org/extlink&oid=123466505&loc=SL123495323-112611" }, "r205": { "Name": "Accounting Standards Codification", "Paragraph": "1B", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(c)", "Topic": "470", "URI": "http://asc.fasb.org/extlink&oid=123466505&loc=SL123495323-112611" }, "r206": { "Name": "Accounting Standards Codification", "Paragraph": "1B", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(d)", "Topic": "470", "URI": "http://asc.fasb.org/extlink&oid=123466505&loc=SL123495323-112611" }, "r207": { "Name": "Accounting Standards Codification", "Paragraph": "1B", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(e)", "Topic": "470", "URI": "http://asc.fasb.org/extlink&oid=123466505&loc=SL123495323-112611" }, "r208": { "Name": "Accounting Standards Codification", "Paragraph": "1B", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(f)", "Topic": "470", "URI": "http://asc.fasb.org/extlink&oid=123466505&loc=SL123495323-112611" }, "r209": { "Name": "Accounting Standards Codification", "Paragraph": "1B", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(h)", "Topic": "470", "URI": "http://asc.fasb.org/extlink&oid=123466505&loc=SL123495323-112611" }, "r21": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02(17))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682" }, "r210": { "Name": "Accounting Standards Codification", "Paragraph": "1D", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(a)", "Topic": "470", "URI": "http://asc.fasb.org/extlink&oid=123466505&loc=SL123495340-112611" }, "r211": { "Name": "Accounting Standards Codification", "Paragraph": "1D", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(b)", "Topic": "470", "URI": "http://asc.fasb.org/extlink&oid=123466505&loc=SL123495340-112611" }, "r212": { "Name": "Accounting Standards Codification", "Paragraph": "1D", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(c)", "Topic": "470", "URI": "http://asc.fasb.org/extlink&oid=123466505&loc=SL123495340-112611" }, "r213": { "Name": "Accounting Standards Codification", "Paragraph": "1E", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(a)", "Topic": "470", "URI": "http://asc.fasb.org/extlink&oid=123466505&loc=SL123495348-112611" }, "r214": { "Name": "Accounting Standards Codification", "Paragraph": "1E", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(c)", "Topic": "470", "URI": "http://asc.fasb.org/extlink&oid=123466505&loc=SL123495348-112611" }, "r215": { "Name": "Accounting Standards Codification", "Paragraph": "1E", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(d)", "Topic": "470", "URI": "http://asc.fasb.org/extlink&oid=123466505&loc=SL123495348-112611" }, "r216": { "Name": "Accounting Standards Codification", "Paragraph": "1F", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(a)", "Topic": "470", "URI": "http://asc.fasb.org/extlink&oid=123466505&loc=SL123495355-112611" }, "r217": { "Name": "Accounting Standards Codification", "Paragraph": "1F", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(b)", "Topic": "470", "URI": "http://asc.fasb.org/extlink&oid=123466505&loc=SL123495355-112611" }, "r218": { "Name": "Accounting Standards Codification", "Paragraph": "1F", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(b)(1)", "Topic": "470", "URI": "http://asc.fasb.org/extlink&oid=123466505&loc=SL123495355-112611" }, "r219": { "Name": "Accounting Standards Codification", "Paragraph": "1F", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(b)(2)", "Topic": "470", "URI": "http://asc.fasb.org/extlink&oid=123466505&loc=SL123495355-112611" }, "r22": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02(19))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682" }, "r220": { "Name": "Accounting Standards Codification", "Paragraph": "1I", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(c)", "Topic": "470", "URI": "http://asc.fasb.org/extlink&oid=123466505&loc=SL123495371-112611" }, "r221": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(b)(1)", "Topic": "470", "URI": "http://asc.fasb.org/extlink&oid=123466204&loc=SL6031897-161870" }, "r222": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(b)(3)", "Topic": "470", "URI": "http://asc.fasb.org/extlink&oid=123466204&loc=SL6031897-161870" }, "r223": { "Name": "Accounting Standards Codification", "Paragraph": "6", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(b)", "Topic": "470", "URI": "http://asc.fasb.org/extlink&oid=123466204&loc=SL6036836-161870" }, "r224": { "Name": "Accounting Standards Codification", "Paragraph": "69B", "Publisher": "FASB", "Section": "55", "SubTopic": "20", "Topic": "470", "URI": "http://asc.fasb.org/extlink&oid=123466577&loc=SL123495735-112612" }, "r225": { "Name": "Accounting Standards Codification", "Paragraph": "69C", "Publisher": "FASB", "Section": "55", "SubTopic": "20", "Topic": "470", "URI": "http://asc.fasb.org/extlink&oid=123466577&loc=SL123495737-112612" }, "r226": { "Name": "Accounting Standards Codification", "Paragraph": "69E", "Publisher": "FASB", "Section": "55", "SubTopic": "20", "Topic": "470", "URI": "http://asc.fasb.org/extlink&oid=123466577&loc=SL123495743-112612" }, "r227": { "Name": "Accounting Standards Codification", "Paragraph": "69F", "Publisher": "FASB", "Section": "55", "SubTopic": "20", "Topic": "470", "URI": "http://asc.fasb.org/extlink&oid=123466577&loc=SL123495745-112612" }, "r228": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "470", "URI": "http://asc.fasb.org/topic&trid=2208564" }, "r229": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(CFRR 211.02)", "Topic": "480", "URI": "http://asc.fasb.org/extlink&oid=122040564&loc=d3e177068-122764" }, "r23": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02(20))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682" }, "r230": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "505", "URI": "http://asc.fasb.org/extlink&oid=65888546&loc=d3e21300-112643" }, "r231": { "Name": "Accounting Standards Codification", "Paragraph": "10", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "505", "URI": "http://asc.fasb.org/extlink&oid=123467817&loc=d3e21553-112644" }, "r232": { "Name": "Accounting Standards Codification", "Paragraph": "13", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "505", "URI": "http://asc.fasb.org/extlink&oid=123467817&loc=SL123496158-112644" }, "r233": { "Name": "Accounting Standards Codification", "Paragraph": "13", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "505", "URI": "http://asc.fasb.org/extlink&oid=123467817&loc=SL123496158-112644" }, "r234": { "Name": "Accounting Standards Codification", "Paragraph": "13", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(d)", "Topic": "505", "URI": "http://asc.fasb.org/extlink&oid=123467817&loc=SL123496158-112644" }, "r235": { "Name": "Accounting Standards Codification", "Paragraph": "13", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(e)", "Topic": "505", "URI": "http://asc.fasb.org/extlink&oid=123467817&loc=SL123496158-112644" }, "r236": { "Name": "Accounting Standards Codification", "Paragraph": "13", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(g)", "Topic": "505", "URI": "http://asc.fasb.org/extlink&oid=123467817&loc=SL123496158-112644" }, "r237": { "Name": "Accounting Standards Codification", "Paragraph": "13", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(h)", "Topic": "505", "URI": "http://asc.fasb.org/extlink&oid=123467817&loc=SL123496158-112644" }, "r238": { "Name": "Accounting Standards Codification", "Paragraph": "13", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(i)", "Topic": "505", "URI": "http://asc.fasb.org/extlink&oid=123467817&loc=SL123496158-112644" }, "r239": { "Name": "Accounting Standards Codification", "Paragraph": "13", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "505", "URI": "http://asc.fasb.org/extlink&oid=123467817&loc=SL123496158-112644" }, "r24": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02(22))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682" }, "r240": { "Name": "Accounting Standards Codification", "Paragraph": "14", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "505", "URI": "http://asc.fasb.org/extlink&oid=123467817&loc=SL123496171-112644" }, "r241": { "Name": "Accounting Standards Codification", "Paragraph": "14", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "505", "URI": "http://asc.fasb.org/extlink&oid=123467817&loc=SL123496171-112644" }, "r242": { "Name": "Accounting Standards Codification", "Paragraph": "14", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)", "Topic": "505", "URI": "http://asc.fasb.org/extlink&oid=123467817&loc=SL123496171-112644" }, "r243": { "Name": "Accounting Standards Codification", "Paragraph": "16", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "505", "URI": "http://asc.fasb.org/extlink&oid=123467817&loc=SL123496180-112644" }, "r244": { "Name": "Accounting Standards Codification", "Paragraph": "18", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "505", "URI": "http://asc.fasb.org/extlink&oid=123467817&loc=SL123496189-112644" }, "r245": { "Name": "Accounting Standards Codification", "Paragraph": "18", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "505", "URI": "http://asc.fasb.org/extlink&oid=123467817&loc=SL123496189-112644" }, "r246": { "Name": "Accounting Standards Codification", "Paragraph": "18", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)", "Topic": "505", "URI": "http://asc.fasb.org/extlink&oid=123467817&loc=SL123496189-112644" }, "r247": { "Name": "Accounting Standards Codification", "Paragraph": "18", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(d)", "Topic": "505", "URI": "http://asc.fasb.org/extlink&oid=123467817&loc=SL123496189-112644" }, "r248": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "505", "URI": "http://asc.fasb.org/extlink&oid=123467817&loc=d3e21463-112644" }, "r249": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "505", "URI": "http://asc.fasb.org/extlink&oid=123467817&loc=d3e21475-112644" }, "r25": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02(23))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682" }, "r250": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "505", "URI": "http://asc.fasb.org/extlink&oid=123467817&loc=d3e21484-112644" }, "r251": { "Name": "Accounting Standards Codification", "Paragraph": "5", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "505", "URI": "http://asc.fasb.org/extlink&oid=123467817&loc=d3e21488-112644" }, "r252": { "Name": "Accounting Standards Codification", "Paragraph": "6", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "505", "URI": "http://asc.fasb.org/extlink&oid=123467817&loc=d3e21506-112644" }, "r253": { "Name": "Accounting Standards Codification", "Paragraph": "7", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "505", "URI": "http://asc.fasb.org/extlink&oid=123467817&loc=d3e21521-112644" }, "r254": { "Name": "Accounting Standards Codification", "Paragraph": "8", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "505", "URI": "http://asc.fasb.org/extlink&oid=123467817&loc=d3e21538-112644" }, "r255": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.3-04)", "Topic": "505", "URI": "http://asc.fasb.org/extlink&oid=120397183&loc=d3e187085-122770" }, "r256": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SAB TOPIC 4.C)", "Topic": "505", "URI": "http://asc.fasb.org/extlink&oid=120397183&loc=d3e187143-122770" }, "r257": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "50", "Topic": "505", "URI": "http://asc.fasb.org/extlink&oid=6784392&loc=d3e188667-122775" }, "r258": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "505", "URI": "http://asc.fasb.org/topic&trid=2208762" }, "r259": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "606", "URI": "http://asc.fasb.org/extlink&oid=123360276&loc=SL49130531-203044" }, "r26": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02(25))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682" }, "r260": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "606", "URI": "http://asc.fasb.org/extlink&oid=123360276&loc=SL49130532-203044" }, "r261": { "Name": "Accounting Standards Codification", "Paragraph": "10", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "606", "URI": "http://asc.fasb.org/extlink&oid=123351226&loc=SL49130551-203045" }, "r262": { "Name": "Accounting Standards Codification", "Paragraph": "12", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "606", "URI": "http://asc.fasb.org/extlink&oid=123351226&loc=SL49130554-203045" }, "r263": { "Name": "Accounting Standards Codification", "Paragraph": "12", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "606", "URI": "http://asc.fasb.org/extlink&oid=123351226&loc=SL49130554-203045" }, "r264": { "Name": "Accounting Standards Codification", "Paragraph": "12", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)", "Topic": "606", "URI": "http://asc.fasb.org/extlink&oid=123351226&loc=SL49130554-203045" }, "r265": { "Name": "Accounting Standards Codification", "Paragraph": "12", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(d)", "Topic": "606", "URI": "http://asc.fasb.org/extlink&oid=123351226&loc=SL49130554-203045" }, "r266": { "Name": "Accounting Standards Codification", "Paragraph": "12", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(e)", "Topic": "606", "URI": "http://asc.fasb.org/extlink&oid=123351226&loc=SL49130554-203045" }, "r267": { "Name": "Accounting Standards Codification", "Paragraph": "13", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(b)(2)", "Topic": "606", "URI": "http://asc.fasb.org/extlink&oid=123351226&loc=SL49130556-203045" }, "r268": { "Name": "Accounting Standards Codification", "Paragraph": "15", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "606", "URI": "http://asc.fasb.org/extlink&oid=123351226&loc=SL49130558-203045" }, "r269": { "Name": "Accounting Standards Codification", "Paragraph": "5", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "606", "URI": "http://asc.fasb.org/extlink&oid=123351226&loc=SL49130545-203045" }, "r27": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02(27))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682" }, "r270": { "Name": "Accounting Standards Codification", "Paragraph": "8", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "606", "URI": "http://asc.fasb.org/extlink&oid=123351226&loc=SL49130549-203045" }, "r271": { "Name": "Accounting Standards Codification", "Paragraph": "9", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "606", "URI": "http://asc.fasb.org/extlink&oid=123351226&loc=SL49130550-203045" }, "r272": { "Name": "Accounting Standards Codification", "Paragraph": "91", "Publisher": "FASB", "Section": "55", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "606", "URI": "http://asc.fasb.org/extlink&oid=123410239&loc=SL49130690-203046-203046" }, "r273": { "Name": "Accounting Standards Codification", "Paragraph": "91", "Publisher": "FASB", "Section": "55", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "606", "URI": "http://asc.fasb.org/extlink&oid=123410239&loc=SL49130690-203046-203046" }, "r274": { "Name": "Accounting Standards Codification", "Paragraph": "91", "Publisher": "FASB", "Section": "55", "SubTopic": "10", "Subparagraph": "(c)", "Topic": "606", "URI": "http://asc.fasb.org/extlink&oid=123410239&loc=SL49130690-203046-203046" }, "r275": { "Name": "Accounting Standards Codification", "Paragraph": "91", "Publisher": "FASB", "Section": "55", "SubTopic": "10", "Subparagraph": "(d)", "Topic": "606", "URI": "http://asc.fasb.org/extlink&oid=123410239&loc=SL49130690-203046-203046" }, "r276": { "Name": "Accounting Standards Codification", "Paragraph": "91", "Publisher": "FASB", "Section": "55", "SubTopic": "10", "Subparagraph": "(e)", "Topic": "606", "URI": "http://asc.fasb.org/extlink&oid=123410239&loc=SL49130690-203046-203046" }, "r277": { "Name": "Accounting Standards Codification", "Paragraph": "91", "Publisher": "FASB", "Section": "55", "SubTopic": "10", "Subparagraph": "(f)", "Topic": "606", "URI": "http://asc.fasb.org/extlink&oid=123410239&loc=SL49130690-203046-203046" }, "r278": { "Name": "Accounting Standards Codification", "Paragraph": "91", "Publisher": "FASB", "Section": "55", "SubTopic": "10", "Subparagraph": "(g)", "Topic": "606", "URI": "http://asc.fasb.org/extlink&oid=123410239&loc=SL49130690-203046-203046" }, "r279": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "606", "URI": "http://asc.fasb.org/topic&trid=49130388" }, "r28": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02(28))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682" }, "r280": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(d)(i)", "Topic": "715", "URI": "http://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920" }, "r281": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(n)", "Topic": "715", "URI": "http://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920" }, "r282": { "Name": "Accounting Standards Codification", "Paragraph": "5", "Publisher": "FASB", "Section": "50", "SubTopic": "80", "Subparagraph": "(d)", "Topic": "715", "URI": "http://asc.fasb.org/extlink&oid=65877416&loc=SL14450657-114947" }, "r283": { "Name": "Accounting Standards Codification", "Paragraph": "8", "Publisher": "FASB", "Section": "55", "SubTopic": "80", "Topic": "715", "URI": "http://asc.fasb.org/extlink&oid=35742348&loc=SL14450788-114948" }, "r284": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=120381028&loc=d3e5047-113901" }, "r285": { "Name": "Accounting Standards Codification", "Paragraph": "15", "Publisher": "FASB", "Section": "65", "SubTopic": "10", "Subparagraph": "(e)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=121322162&loc=SL121327923-165333" }, "r286": { "Name": "Accounting Standards Codification", "Paragraph": "15", "Publisher": "FASB", "Section": "65", "SubTopic": "10", "Subparagraph": "(f)(1)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=121322162&loc=SL121327923-165333" }, "r287": { "Name": "Accounting Standards Codification", "Paragraph": "15", "Publisher": "FASB", "Section": "65", "SubTopic": "10", "Subparagraph": "(f)(2)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=121322162&loc=SL121327923-165333" }, "r288": { "Name": "Accounting Standards Codification", "Paragraph": "15", "Publisher": "FASB", "Section": "65", "SubTopic": "10", "Subparagraph": "(g)(2)", "Topic": "718", "URI": "http://asc.fasb.org/extlink&oid=121322162&loc=SL121327923-165333" }, "r289": { "Name": "Accounting Standards Codification", "Paragraph": "10", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=121826272&loc=d3e32672-109319" }, "r29": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02(29))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682" }, "r290": { "Name": "Accounting Standards Codification", "Paragraph": "8", "Publisher": "FASB", "Section": "65", "SubTopic": "10", "Subparagraph": "(d)(2)", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=123459177&loc=SL121830611-158277" }, "r291": { "Name": "Accounting Standards Codification", "Paragraph": "8", "Publisher": "FASB", "Section": "65", "SubTopic": "10", "Subparagraph": "(d)(3)", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=123459177&loc=SL121830611-158277" }, "r292": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SAB TOPIC 6.I.7)", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=122134291&loc=d3e330036-122817" }, "r293": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "45", "SubTopic": "20", "Subparagraph": "(a)", "Topic": "740", "URI": "http://asc.fasb.org/extlink&oid=123586238&loc=d3e38679-109324" }, "r294": { "Name": "Accounting Standards Codification", "Paragraph": "25", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "810", "URI": "http://asc.fasb.org/extlink&oid=116870748&loc=SL6758485-165988" }, "r295": { "Name": "Accounting Standards Codification", "Paragraph": "25", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "810", "URI": "http://asc.fasb.org/extlink&oid=116870748&loc=SL6758485-165988" }, "r296": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(bb)", "Topic": "810", "URI": "http://asc.fasb.org/extlink&oid=123419778&loc=d3e5710-111685" }, "r297": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)", "Topic": "810", "URI": "http://asc.fasb.org/extlink&oid=123419778&loc=d3e5710-111685" }, "r298": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "810", "URI": "http://asc.fasb.org/topic&trid=2197479" }, "r299": { "Name": "Accounting Standards Codification", "Paragraph": "4D", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "815", "URI": "http://asc.fasb.org/extlink&oid=125515794&loc=SL5624177-113959" }, "r3": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=124098289&loc=d3e6676-107765" }, "r30": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02(3)(a)(2))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682" }, "r300": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "65", "SubTopic": "40", "Subparagraph": "(e)(3)", "Topic": "815", "URI": "http://asc.fasb.org/extlink&oid=123482062&loc=SL123482106-238011" }, "r301": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "65", "SubTopic": "40", "Subparagraph": "(e)(4)", "Topic": "815", "URI": "http://asc.fasb.org/extlink&oid=123482062&loc=SL123482106-238011" }, "r302": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "65", "SubTopic": "40", "Subparagraph": "(f)", "Topic": "815", "URI": "http://asc.fasb.org/extlink&oid=123482062&loc=SL123482106-238011" }, "r303": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(bbb)", "Topic": "820", "URI": "http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258" }, "r304": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(bbb)(2)", "Topic": "820", "URI": "http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258" }, "r305": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "820", "URI": "http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258" }, "r306": { "Name": "Accounting Standards Codification", "Paragraph": "28", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(f)", "Topic": "825", "URI": "http://asc.fasb.org/extlink&oid=123596393&loc=d3e14064-108612" }, "r307": { "Name": "Accounting Standards Codification", "Paragraph": "17", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "830", "URI": "http://asc.fasb.org/extlink&oid=120253306&loc=d3e28228-110885" }, "r308": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "35", "SubTopic": "20", "Topic": "830", "URI": "http://asc.fasb.org/extlink&oid=123602790&loc=d3e30226-110892" }, "r309": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "45", "SubTopic": "20", "Topic": "830", "URI": "http://asc.fasb.org/extlink&oid=125521441&loc=d3e30690-110894" }, "r31": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02(3))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682" }, "r310": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Topic": "830", "URI": "http://asc.fasb.org/extlink&oid=124440516&loc=d3e30840-110895" }, "r311": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "45", "SubTopic": "230", "Topic": "830", "URI": "http://asc.fasb.org/extlink&oid=123444420&loc=d3e33268-110906" }, "r312": { "Name": "Accounting Standards Codification", "Paragraph": "17", "Publisher": "FASB", "Section": "45", "SubTopic": "30", "Topic": "830", "URI": "http://asc.fasb.org/extlink&oid=118261656&loc=d3e32136-110900" }, "r313": { "Name": "Accounting Standards Codification", "Paragraph": "20", "Publisher": "FASB", "Section": "45", "SubTopic": "30", "Subparagraph": "(a)", "Topic": "830", "URI": "http://asc.fasb.org/extlink&oid=118261656&loc=d3e32211-110900" }, "r314": { "Name": "Accounting Standards Codification", "Paragraph": "20", "Publisher": "FASB", "Section": "45", "SubTopic": "30", "Subparagraph": "(b)", "Topic": "830", "URI": "http://asc.fasb.org/extlink&oid=118261656&loc=d3e32211-110900" }, "r315": { "Name": "Accounting Standards Codification", "Paragraph": "20", "Publisher": "FASB", "Section": "45", "SubTopic": "30", "Subparagraph": "(c)", "Topic": "830", "URI": "http://asc.fasb.org/extlink&oid=118261656&loc=d3e32211-110900" }, "r316": { "Name": "Accounting Standards Codification", "Paragraph": "20", "Publisher": "FASB", "Section": "45", "SubTopic": "30", "Subparagraph": "(d)", "Topic": "830", "URI": "http://asc.fasb.org/extlink&oid=118261656&loc=d3e32211-110900" }, "r317": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "30", "Topic": "830", "URI": "http://asc.fasb.org/extlink&oid=6450520&loc=d3e32583-110901" }, "r318": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "30", "Topic": "830", "URI": "http://asc.fasb.org/extlink&oid=6450520&loc=d3e32618-110901" }, "r319": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "30", "Topic": "830", "URI": "http://asc.fasb.org/extlink&oid=6897108&loc=SL6897125-166521" }, "r32": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02(30)(a)(1))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682" }, "r320": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(a)", "Topic": "835", "URI": "http://asc.fasb.org/extlink&oid=6450988&loc=d3e26243-108391" }, "r321": { "Name": "Accounting Standards Codification", "Paragraph": "1A", "Publisher": "FASB", "Section": "45", "SubTopic": "30", "Topic": "835", "URI": "http://asc.fasb.org/extlink&oid=124435984&loc=d3e28541-108399" }, "r322": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "45", "SubTopic": "30", "Topic": "835", "URI": "http://asc.fasb.org/extlink&oid=124435984&loc=d3e28551-108399" }, "r323": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "45", "SubTopic": "30", "Topic": "835", "URI": "http://asc.fasb.org/extlink&oid=124435984&loc=d3e28555-108399" }, "r324": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "30", "Topic": "835", "URI": "http://asc.fasb.org/extlink&oid=124429444&loc=SL124452920-239629" }, "r325": { "Name": "Accounting Standards Codification", "Paragraph": "8", "Publisher": "FASB", "Section": "55", "SubTopic": "30", "Topic": "835", "URI": "http://asc.fasb.org/extlink&oid=114775985&loc=d3e28878-108400" }, "r326": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "45", "SubTopic": "30", "Topic": "842", "URI": "http://asc.fasb.org/extlink&oid=123420820&loc=SL77919311-209978" }, "r327": { "Name": "Accounting Standards Codification", "Paragraph": "12", "Publisher": "FASB", "Section": "50", "SubTopic": "30", "Topic": "842", "URI": "http://asc.fasb.org/extlink&oid=124258985&loc=SL77919396-209981" }, "r328": { "Name": "Accounting Standards Codification", "Paragraph": "5", "Publisher": "FASB", "Section": "50", "SubTopic": "30", "Topic": "842", "URI": "http://asc.fasb.org/extlink&oid=124258985&loc=SL77919372-209981" }, "r329": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "850", "URI": "http://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864" }, "r33": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02(30)(a)(3))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682" }, "r330": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "850", "URI": "http://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864" }, "r331": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)", "Topic": "850", "URI": "http://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864" }, "r332": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(d)", "Topic": "850", "URI": "http://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864" }, "r333": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "850", "URI": "http://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864" }, "r334": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "850", "URI": "http://asc.fasb.org/extlink&oid=6457730&loc=d3e39603-107864" }, "r335": { "Name": "Accounting Standards Codification", "Paragraph": "6", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "850", "URI": "http://asc.fasb.org/extlink&oid=6457730&loc=d3e39691-107864" }, "r336": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "850", "URI": "http://asc.fasb.org/topic&trid=2122745" }, "r337": { "Name": "Accounting Standards Codification", "Paragraph": "14", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "852", "URI": "http://asc.fasb.org/extlink&oid=124437977&loc=d3e55792-112764" }, "r338": { "Name": "Accounting Standards Codification", "Paragraph": "7", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "852", "URI": "http://asc.fasb.org/extlink&oid=124433192&loc=SL2890621-112765" }, "r339": { "Name": "Accounting Standards Codification", "Paragraph": "7", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "852", "URI": "http://asc.fasb.org/extlink&oid=124433192&loc=SL2890621-112765" }, "r34": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02(30))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682" }, "r340": { "Name": "Accounting Standards Codification", "Paragraph": "10", "Publisher": "FASB", "Section": "55", "SubTopic": "10", "Topic": "852", "URI": "http://asc.fasb.org/extlink&oid=84165509&loc=d3e56426-112766" }, "r341": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "855", "URI": "http://asc.fasb.org/extlink&oid=6842918&loc=SL6314017-165662" }, "r342": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "855", "URI": "http://asc.fasb.org/extlink&oid=6842918&loc=SL6314017-165662" }, "r343": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "855", "URI": "http://asc.fasb.org/topic&trid=2122774" }, "r344": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(c)(1)", "Topic": "860", "URI": "http://asc.fasb.org/extlink&oid=121570589&loc=d3e107207-111719" }, "r345": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(c)(2)", "Topic": "860", "URI": "http://asc.fasb.org/extlink&oid=121570589&loc=d3e107207-111719" }, "r346": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(c)(3)", "Topic": "860", "URI": "http://asc.fasb.org/extlink&oid=121570589&loc=d3e107207-111719" }, "r347": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(b)(1)", "Topic": "860", "URI": "http://asc.fasb.org/extlink&oid=121570589&loc=d3e107314-111719" }, "r348": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(b)(2)", "Topic": "860", "URI": "http://asc.fasb.org/extlink&oid=121570589&loc=d3e107314-111719" }, "r349": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(b)(3)", "Topic": "860", "URI": "http://asc.fasb.org/extlink&oid=121570589&loc=d3e107314-111719" }, "r35": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02(31))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682" }, "r350": { "Name": "Accounting Standards Codification", "Paragraph": "6", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "910", "URI": "http://asc.fasb.org/extlink&oid=123353855&loc=SL119991595-234733" }, "r351": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SAB Topic 11.L)", "Topic": "924", "URI": "http://asc.fasb.org/extlink&oid=6472922&loc=d3e499488-122856" }, "r352": { "Name": "Accounting Standards Codification", "Paragraph": "15", "Publisher": "FASB", "Section": "50", "SubTopic": "235", "Subparagraph": "(a)", "Topic": "932", "URI": "http://asc.fasb.org/extlink&oid=123377692&loc=d3e61929-109447" }, "r353": { "Name": "Accounting Standards Codification", "Paragraph": "15", "Publisher": "FASB", "Section": "50", "SubTopic": "235", "Subparagraph": "(b)", "Topic": "932", "URI": "http://asc.fasb.org/extlink&oid=123377692&loc=d3e61929-109447" }, "r354": { "Name": "Accounting Standards Codification", "Paragraph": "20", "Publisher": "FASB", "Section": "50", "SubTopic": "235", "Subparagraph": "(a)", "Topic": "932", "URI": "http://asc.fasb.org/extlink&oid=123377692&loc=d3e62059-109447" }, "r355": { "Name": "Accounting Standards Codification", "Paragraph": "20", "Publisher": "FASB", "Section": "50", "SubTopic": "235", "Subparagraph": "(b)", "Topic": "932", "URI": "http://asc.fasb.org/extlink&oid=123377692&loc=d3e62059-109447" }, "r356": { "Name": "Accounting Standards Codification", "Paragraph": "28", "Publisher": "FASB", "Section": "50", "SubTopic": "235", "Subparagraph": "(a)", "Topic": "932", "URI": "http://asc.fasb.org/extlink&oid=123377692&loc=d3e62395-109447" }, "r357": { "Name": "Accounting Standards Codification", "Paragraph": "28", "Publisher": "FASB", "Section": "50", "SubTopic": "235", "Subparagraph": "(b)", "Topic": "932", "URI": "http://asc.fasb.org/extlink&oid=123377692&loc=d3e62395-109447" }, "r358": { "Name": "Accounting Standards Codification", "Paragraph": "33", "Publisher": "FASB", "Section": "50", "SubTopic": "235", "Subparagraph": "(a)", "Topic": "932", "URI": "http://asc.fasb.org/extlink&oid=123377692&loc=d3e62479-109447" }, "r359": { "Name": "Accounting Standards Codification", "Paragraph": "33", "Publisher": "FASB", "Section": "50", "SubTopic": "235", "Subparagraph": "(b)", "Topic": "932", "URI": "http://asc.fasb.org/extlink&oid=123377692&loc=d3e62479-109447" }, "r36": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02(32))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682" }, "r360": { "Name": "Accounting Standards Codification", "Paragraph": "35A", "Publisher": "FASB", "Section": "50", "SubTopic": "235", "Subparagraph": "(a)", "Topic": "932", "URI": "http://asc.fasb.org/extlink&oid=123377692&loc=SL6807758-109447" }, "r361": { "Name": "Accounting Standards Codification", "Paragraph": "35A", "Publisher": "FASB", "Section": "50", "SubTopic": "235", "Subparagraph": "(b)", "Topic": "932", "URI": "http://asc.fasb.org/extlink&oid=123377692&loc=SL6807758-109447" }, "r362": { "Name": "Accounting Standards Codification", "Paragraph": "8", "Publisher": "FASB", "Section": "50", "SubTopic": "235", "Subparagraph": "(c)(1)", "Topic": "932", "URI": "http://asc.fasb.org/extlink&oid=123377692&loc=d3e61872-109447" }, "r363": { "Name": "Accounting Standards Codification", "Paragraph": "8", "Publisher": "FASB", "Section": "50", "SubTopic": "235", "Subparagraph": "(c)(2)", "Topic": "932", "URI": "http://asc.fasb.org/extlink&oid=123377692&loc=d3e61872-109447" }, "r364": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "25", "SubTopic": "20", "Topic": "940", "URI": "http://asc.fasb.org/extlink&oid=123384075&loc=d3e41242-110953" }, "r365": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.9-03(1)(a))", "Topic": "942", "URI": "http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878" }, "r366": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.9-03(10))", "Topic": "942", "URI": "http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878" }, "r367": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.9-03(11))", "Topic": "942", "URI": "http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878" }, "r368": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.9-03(13))", "Topic": "942", "URI": "http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878" }, "r369": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.9-03(16))", "Topic": "942", "URI": "http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878" }, "r37": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02(7))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682" }, "r370": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.9-03(17))", "Topic": "942", "URI": "http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878" }, "r371": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.9-03(23))", "Topic": "942", "URI": "http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878" }, "r372": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.9-03.17)", "Topic": "942", "URI": "http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878" }, "r373": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "220", "Subparagraph": "(SX 210.9-04(15))", "Topic": "942", "URI": "http://asc.fasb.org/extlink&oid=120399700&loc=SL114874048-224260" }, "r374": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "220", "Subparagraph": "(SX 210.9-04(22))", "Topic": "942", "URI": "http://asc.fasb.org/extlink&oid=120399700&loc=SL114874048-224260" }, "r375": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "220", "Subparagraph": "(SX 210.9-04(26))", "Topic": "942", "URI": "http://asc.fasb.org/extlink&oid=120399700&loc=SL114874048-224260" }, "r376": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "220", "Subparagraph": "(SX 210.9-04(27))", "Topic": "942", "URI": "http://asc.fasb.org/extlink&oid=120399700&loc=SL114874048-224260" }, "r377": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "220", "Subparagraph": "(SX 210.9-04.8)", "Topic": "942", "URI": "http://asc.fasb.org/extlink&oid=120399700&loc=SL114874048-224260" }, "r378": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "220", "Subparagraph": "(SX 210.9-04.9)", "Topic": "942", "URI": "http://asc.fasb.org/extlink&oid=120399700&loc=SL114874048-224260" }, "r379": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "235", "Subparagraph": "(SX 210.9-05(b)(2))", "Topic": "942", "URI": "http://asc.fasb.org/extlink&oid=120399901&loc=d3e537907-122884" }, "r38": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02(8))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682" }, "r380": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "360", "Topic": "942", "URI": "http://asc.fasb.org/extlink&oid=124429447&loc=SL124453093-239630" }, "r381": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "470", "Subparagraph": "(c)", "Topic": "942", "URI": "http://asc.fasb.org/extlink&oid=123599511&loc=d3e64711-112823" }, "r382": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "470", "Subparagraph": "e", "Topic": "942", "URI": "http://asc.fasb.org/extlink&oid=123599511&loc=d3e64711-112823" }, "r383": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "470", "Topic": "942", "URI": "http://asc.fasb.org/extlink&oid=123599511&loc=d3e64711-112823" }, "r384": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.7-03(16))", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910" }, "r385": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.7-03(a)(10))", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910" }, "r386": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.7-03(a)(12))", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910" }, "r387": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.7-03(a)(16)(a)(1))", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910" }, "r388": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.7-03(a)(16))", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910" }, "r389": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.7-03(a)(19))", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910" }, "r39": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02.1)", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682" }, "r390": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.7-03(a)(2))", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910" }, "r391": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.7-03(a)(23)(a)(4))", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910" }, "r392": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.7-03(a)(25))", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910" }, "r393": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.7-03(a)(8))", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910" }, "r394": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.7-03.(a),19)", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910" }, "r395": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.7-03.17)", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910" }, "r396": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "220", "Subparagraph": "(SX 210.7-04(18))", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=120400993&loc=SL114874131-224263" }, "r397": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "220", "Subparagraph": "(SX 210.7-04(22))", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=120400993&loc=SL114874131-224263" }, "r398": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "220", "Subparagraph": "(SX 210.7-04(23))", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=120400993&loc=SL114874131-224263" }, "r399": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "220", "Subparagraph": "(SX 210.7-04(8))", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=120400993&loc=SL114874131-224263" }, "r4": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=124098289&loc=d3e6676-107765" }, "r40": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02.11)", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682" }, "r400": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "220", "Subparagraph": "(SX 210.7-04(9))", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=120400993&loc=SL114874131-224263" }, "r401": { "Name": "Accounting Standards Codification", "Paragraph": "4H", "Publisher": "FASB", "Section": "50", "SubTopic": "40", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=116884468&loc=SL65671331-158438" }, "r402": { "Name": "Accounting Standards Codification", "Paragraph": "7A", "Publisher": "FASB", "Section": "50", "SubTopic": "40", "Subparagraph": "(d)", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=124506351&loc=SL117782755-158439" }, "r403": { "Name": "Accounting Standards Codification", "Paragraph": "13H", "Publisher": "FASB", "Section": "55", "SubTopic": "40", "Subparagraph": "(a)", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=124504033&loc=SL117783719-158441" }, "r404": { "Name": "Accounting Standards Codification", "Paragraph": "29F", "Publisher": "FASB", "Section": "55", "SubTopic": "40", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=124504033&loc=SL117819544-158441" }, "r405": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "65", "SubTopic": "40", "Subparagraph": "(e)", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=124501264&loc=SL117420844-207641" }, "r406": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "65", "SubTopic": "40", "Subparagraph": "(f)(1)", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=124501264&loc=SL117420844-207641" }, "r407": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "65", "SubTopic": "40", "Subparagraph": "(f)(2)", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=124501264&loc=SL117420844-207641" }, "r408": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "65", "SubTopic": "40", "Subparagraph": "(g)(2)(i)", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=124501264&loc=SL117420844-207641" }, "r409": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "65", "SubTopic": "40", "Subparagraph": "(h)(2)", "Topic": "944", "URI": "http://asc.fasb.org/extlink&oid=124501264&loc=SL117420844-207641" }, "r41": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02.13)", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682" }, "r410": { "Name": "Accounting Standards Codification", "Paragraph": "5", "Publisher": "FASB", "Section": "45", "SubTopic": "210", "Topic": "954", "URI": "http://asc.fasb.org/extlink&oid=120413173&loc=SL116631458-115580" }, "r411": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "440", "Subparagraph": "(a)", "Topic": "954", "URI": "http://asc.fasb.org/extlink&oid=6491277&loc=d3e6429-115629" }, "r412": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "360", "Subparagraph": "(d)", "Topic": "958", "URI": "http://asc.fasb.org/extlink&oid=120429125&loc=d3e99779-112916" }, "r413": { "Name": "Accounting Standards Codification", "Paragraph": "6", "Publisher": "FASB", "Section": "50", "SubTopic": "360", "Topic": "958", "URI": "http://asc.fasb.org/extlink&oid=120429125&loc=d3e99893-112916" }, "r414": { "Name": "Accounting Standards Codification", "Paragraph": "7", "Publisher": "FASB", "Section": "50", "SubTopic": "360", "Topic": "958", "URI": "http://asc.fasb.org/extlink&oid=120429125&loc=SL120174063-112916" }, "r415": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "360", "Subparagraph": "(SX 210.12-28(Footnote 4))", "Topic": "970", "URI": "http://asc.fasb.org/extlink&oid=120402810&loc=d3e638233-123024" }, "r416": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "310", "Subparagraph": "(c)", "Topic": "976", "URI": "http://asc.fasb.org/extlink&oid=6497875&loc=d3e22274-108663" }, "r417": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "310", "Subparagraph": "(b)", "Topic": "978", "URI": "http://asc.fasb.org/extlink&oid=123360121&loc=d3e27327-108691" }, "r418": { "Name": "Regulation 12B", "Number": "240", "Publisher": "SEC", "Section": "12", "Subsection": "b-2" }, "r419": { "Name": "Regulation S-K (SK)", "Number": "229", "Paragraph": "(a)", "Publisher": "SEC", "Section": "1402" }, "r42": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02.14)", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682" }, "r420": { "Name": "Regulation S-K (SK)", "Number": "229", "Paragraph": "(b)", "Publisher": "SEC", "Section": "1402", "Subparagraph": "(1)" }, "r421": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "65", "SubTopic": "10", "Subparagraph": "(a)(3)(iii)(03)", "Topic": "848" }, "r43": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02.17)", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682" }, "r44": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02.19(a)(5))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682" }, "r45": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02.19(a))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682" }, "r46": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02.20)", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682" }, "r47": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02.21)", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682" }, "r48": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02.22)", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682" }, "r49": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02.25)", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682" }, "r5": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(c)", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=124098289&loc=d3e6676-107765" }, "r50": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02.28,29)", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682" }, "r51": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02.29-30)", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682" }, "r52": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02.29-31)", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682" }, "r53": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02.6(a))", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682" }, "r54": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02.8)", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682" }, "r55": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02.9)", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682" }, "r56": { "Name": "Accounting Standards Codification", "Paragraph": "1A", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=124509347&loc=SL7669619-108580" }, "r57": { "Name": "Accounting Standards Codification", "Paragraph": "1A", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(c)", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=124509347&loc=SL7669619-108580" }, "r58": { "Name": "Accounting Standards Codification", "Paragraph": "1B", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=124509347&loc=SL7669625-108580" }, "r59": { "Name": "Accounting Standards Codification", "Paragraph": "1B", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=124509347&loc=SL7669625-108580" }, "r6": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(d)", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=124098289&loc=d3e6676-107765" }, "r60": { "Name": "Accounting Standards Codification", "Paragraph": "5", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=124509347&loc=d3e557-108580" }, "r61": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=124431353&loc=SL124442407-227067" }, "r62": { "Name": "Accounting Standards Codification", "Paragraph": "5", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=124431353&loc=SL124442411-227067" }, "r63": { "Name": "Accounting Standards Codification", "Paragraph": "6", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=124431353&loc=SL124452729-227067" }, "r64": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(210.5-03(11))", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=123367319&loc=SL114868664-224227" }, "r65": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-03(1))", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=123367319&loc=SL114868664-224227" }, "r66": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-03(10))", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=123367319&loc=SL114868664-224227" }, "r67": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-03(20))", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=123367319&loc=SL114868664-224227" }, "r68": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-03(24))", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=123367319&loc=SL114868664-224227" }, "r69": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-03(25))", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=123367319&loc=SL114868664-224227" }, "r7": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=124098289&loc=d3e6676-107765" }, "r70": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-03(4))", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=123367319&loc=SL114868664-224227" }, "r71": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-03(7))", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=123367319&loc=SL114868664-224227" }, "r72": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-03(9))", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=123367319&loc=SL114868664-224227" }, "r73": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-03(b)(4))", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=123367319&loc=SL114868664-224227" }, "r74": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-03)", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=123367319&loc=SL114868664-224227" }, "r75": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-03.3)", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=123367319&loc=SL114868664-224227" }, "r76": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-03.4)", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=123367319&loc=SL114868664-224227" }, "r77": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-03.7(b))", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=123367319&loc=SL114868664-224227" }, "r78": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-03.7)", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=123367319&loc=SL114868664-224227" }, "r79": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-03.8)", "Topic": "220", "URI": "http://asc.fasb.org/extlink&oid=123367319&loc=SL114868664-224227" }, "r8": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=124098289&loc=d3e6801-107765" }, "r80": { "Name": "Accounting Standards Codification", "Paragraph": "13", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(c)", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=123570139&loc=d3e3213-108585" }, "r81": { "Name": "Accounting Standards Codification", "Paragraph": "14", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=123570139&loc=d3e3255-108585" }, "r82": { "Name": "Accounting Standards Codification", "Paragraph": "14", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=123570139&loc=d3e3255-108585" }, "r83": { "Name": "Accounting Standards Codification", "Paragraph": "15", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=123570139&loc=d3e3291-108585" }, "r84": { "Name": "Accounting Standards Codification", "Paragraph": "15", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=123570139&loc=d3e3291-108585" }, "r85": { "Name": "Accounting Standards Codification", "Paragraph": "17", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(d)", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=123570139&loc=d3e3367-108585" }, "r86": { "Name": "Accounting Standards Codification", "Paragraph": "24", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=123570139&loc=d3e3521-108585" }, "r87": { "Name": "Accounting Standards Codification", "Paragraph": "25", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(e)", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=123570139&loc=d3e3536-108585" }, "r88": { "Name": "Accounting Standards Codification", "Paragraph": "25", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=123570139&loc=d3e3536-108585" }, "r89": { "Name": "Accounting Standards Codification", "Paragraph": "28", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=123570139&loc=d3e3602-108585" }, "r9": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "210", "URI": "http://asc.fasb.org/extlink&oid=124098289&loc=d3e6812-107765" }, "r90": { "Name": "Accounting Standards Codification", "Paragraph": "28", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=123570139&loc=d3e3602-108585" }, "r91": { "Name": "Accounting Standards Codification", "Paragraph": "28", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=123570139&loc=d3e3602-108585" }, "r92": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=123570139&loc=d3e3044-108585" }, "r93": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=123431023&loc=d3e4297-108586" }, "r94": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=123431023&loc=d3e4304-108586" }, "r95": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=123431023&loc=d3e4313-108586" }, "r96": { "Name": "Accounting Standards Codification", "Paragraph": "5", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=123431023&loc=d3e4332-108586" }, "r97": { "Name": "Accounting Standards Codification", "Paragraph": "8", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "230", "URI": "http://asc.fasb.org/extlink&oid=123431023&loc=SL98516268-108586" }, "r98": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "235", "URI": "http://asc.fasb.org/extlink&oid=123372394&loc=d3e18726-107790" }, "r99": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.4-08(d))", "Topic": "235", "URI": "http://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690" } }, "version": "2.1" }