{ "instance": { "mack-20221231.htm": { "axisCustom": 0, "axisStandard": 18, "baseTaxonomies": { "http://fasb.org/us-gaap/2022": 265, "http://xbrl.sec.gov/dei/2022": 38 }, "contextCount": 70, "dts": { "calculationLink": { "local": [ "mack-20221231_cal.xml" ] }, "definitionLink": { "local": [ "mack-20221231_def.xml" ] }, "inline": { "local": [ "mack-20221231.htm" ] }, "labelLink": { "local": [ "mack-20221231_lab.xml" ] }, "presentationLink": { "local": [ "mack-20221231_pre.xml" ] }, "schema": { "local": [ "mack-20221231.xsd" ], "remote": [ "http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd", "http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd", "http://www.xbrl.org/2003/xl-2003-12-31.xsd", "http://www.xbrl.org/2003/xlink-2003-12-31.xsd", "http://www.xbrl.org/2005/xbrldt-2005.xsd", "http://www.xbrl.org/2006/ref-2006-02-27.xsd", "http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd", "http://www.xbrl.org/lrr/role/reference-2009-12-16.xsd", "https://www.xbrl.org/2020/extensible-enumerations-2.0.xsd", "https://www.xbrl.org/dtr/type/2020-01-21/types.xsd", "https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd", "https://xbrl.fasb.org/srt/2022/elts/srt-roles-2022.xsd", "https://xbrl.fasb.org/srt/2022/elts/srt-types-2022.xsd", "https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd", "https://xbrl.fasb.org/us-gaap/2022/elts/us-roles-2022.xsd", "https://xbrl.fasb.org/us-gaap/2022/elts/us-types-2022.xsd", "https://xbrl.sec.gov/country/2022/country-2022.xsd", "https://xbrl.sec.gov/dei/2022/dei-2022.xsd" ] } }, "elementCount": 342, "entityCount": 1, "hidden": { "http://fasb.org/us-gaap/2022": 4, "http://www.merrimackpharma.com/20221231": 1, "http://xbrl.sec.gov/dei/2022": 5, "total": 10 }, "keyCustom": 34, "keyStandard": 170, "memberCustom": 17, "memberStandard": 15, "nsprefix": "mack", "nsuri": "http://www.merrimackpharma.com/20221231", "report": { "R1": { "firstAnchor": { "ancestors": [ "span", "p", "body", "html" ], "baseRef": "mack-20221231.htm", "contextRef": "C_c19325c4-6088-4815-a935-aaeb8da43577", "decimals": null, "first": true, "lang": "en-US", "name": "dei:DocumentType", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "document", "isDefault": "true", "longName": "100000 - Document - Document and Entity Information", "menuCat": "Cover", "order": "1", "role": "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DocumentDocumentAndEntityInformation", "shortName": "Document and Entity Information", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "span", "p", "body", "html" ], "baseRef": "mack-20221231.htm", "contextRef": "C_c19325c4-6088-4815-a935-aaeb8da43577", "decimals": null, "first": true, "lang": "en-US", "name": "dei:DocumentType", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R10": { "firstAnchor": { "ancestors": [ "div", "body", "html" ], "baseRef": "mack-20221231.htm", "contextRef": "C_c19325c4-6088-4815-a935-aaeb8da43577", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:AccountsPayableAndAccruedLiabilitiesDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "100090 - Disclosure - Accounts Payable, Accrued Expenses and Other", "menuCat": "Notes", "order": "10", "role": "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureAccountsPayableAccruedExpensesAndOther", "shortName": "Accounts Payable, Accrued Expenses and Other", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "div", "body", "html" ], "baseRef": "mack-20221231.htm", "contextRef": "C_c19325c4-6088-4815-a935-aaeb8da43577", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:AccountsPayableAndAccruedLiabilitiesDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R11": { "firstAnchor": { "ancestors": [ "div", "body", "html" ], "baseRef": "mack-20221231.htm", "contextRef": "C_c19325c4-6088-4815-a935-aaeb8da43577", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:StockholdersEquityNoteDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "100110 - Disclosure - Common Stock", "menuCat": "Notes", "order": "11", "role": "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureCommonStock", "shortName": "Common Stock", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "div", "body", "html" ], "baseRef": "mack-20221231.htm", "contextRef": "C_c19325c4-6088-4815-a935-aaeb8da43577", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:StockholdersEquityNoteDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R12": { "firstAnchor": { "ancestors": [ "div", "body", "html" ], "baseRef": "mack-20221231.htm", "contextRef": "C_c19325c4-6088-4815-a935-aaeb8da43577", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "100120 - Disclosure - Stock-Based Compensation", "menuCat": "Notes", "order": "12", "role": "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureStockBasedCompensation", "shortName": "Stock-Based Compensation", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "div", "body", "html" ], "baseRef": "mack-20221231.htm", "contextRef": "C_c19325c4-6088-4815-a935-aaeb8da43577", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R13": { "firstAnchor": { "ancestors": [ "div", "body", "html" ], "baseRef": "mack-20221231.htm", "contextRef": "C_c19325c4-6088-4815-a935-aaeb8da43577", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:IncomeTaxDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "100130 - Disclosure - Income Taxes", "menuCat": "Notes", "order": "13", "role": "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureIncomeTaxes", "shortName": "Income Taxes", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "div", "body", "html" ], "baseRef": "mack-20221231.htm", "contextRef": "C_c19325c4-6088-4815-a935-aaeb8da43577", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:IncomeTaxDisclosureTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R14": { "firstAnchor": { "ancestors": [ "div", "body", "html" ], "baseRef": "mack-20221231.htm", "contextRef": "C_c19325c4-6088-4815-a935-aaeb8da43577", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:SubsequentEventsTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "100140 - Disclosure - Subsequent Events", "menuCat": "Notes", "order": "14", "role": "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureSubsequentEvents", "shortName": "Subsequent Events", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "div", "body", "html" ], "baseRef": "mack-20221231.htm", "contextRef": "C_c19325c4-6088-4815-a935-aaeb8da43577", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:SubsequentEventsTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R15": { "firstAnchor": { "ancestors": [ "div", "us-gaap:OrganizationConsolidationBasisOfPresentationBusinessDescriptionAndAccountingPoliciesTextBlock", "div", "body", "html" ], "baseRef": "mack-20221231.htm", "contextRef": "C_c19325c4-6088-4815-a935-aaeb8da43577", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:SegmentReportingPolicyPolicyTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "100150 - Disclosure - Nature of the Business and Summary of Significant Accounting Policies (Policies)", "menuCat": "Policies", "order": "15", "role": "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureNatureOfBusinessAndSummaryOfSignificantAccountingPoliciesPolicies", "shortName": "Nature of the Business and Summary of Significant Accounting Policies (Policies)", "subGroupType": "policies", "uniqueAnchor": { "ancestors": [ "div", "us-gaap:OrganizationConsolidationBasisOfPresentationBusinessDescriptionAndAccountingPoliciesTextBlock", "div", "body", "html" ], "baseRef": "mack-20221231.htm", "contextRef": "C_c19325c4-6088-4815-a935-aaeb8da43577", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:SegmentReportingPolicyPolicyTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R16": { "firstAnchor": { "ancestors": [ "div", "us-gaap:EarningsPerShareTextBlock", "div", "body", "html" ], "baseRef": "mack-20221231.htm", "contextRef": "C_c19325c4-6088-4815-a935-aaeb8da43577", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "100160 - Disclosure - Net Loss Per Common Share (Tables)", "menuCat": "Tables", "order": "16", "role": "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureNetLossPerCommonShareTables", "shortName": "Net Loss Per Common Share (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "div", "us-gaap:EarningsPerShareTextBlock", "div", "body", "html" ], "baseRef": "mack-20221231.htm", "contextRef": "C_c19325c4-6088-4815-a935-aaeb8da43577", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R17": { "firstAnchor": { "ancestors": [ "div", "us-gaap:FairValueDisclosuresTextBlock", "div", "body", "html" ], "baseRef": "mack-20221231.htm", "contextRef": "C_c19325c4-6088-4815-a935-aaeb8da43577", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:FairValueAssetsMeasuredOnRecurringBasisTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "100170 - Disclosure - Fair Value of Financial Instruments (Tables)", "menuCat": "Tables", "order": "17", "role": "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureFairValueOfFinancialInstrumentsTables", "shortName": "Fair Value of Financial Instruments (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "div", "us-gaap:FairValueDisclosuresTextBlock", "div", "body", "html" ], "baseRef": "mack-20221231.htm", "contextRef": "C_c19325c4-6088-4815-a935-aaeb8da43577", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:FairValueAssetsMeasuredOnRecurringBasisTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R18": { "firstAnchor": { "ancestors": [ "div", "us-gaap:AccountsPayableAndAccruedLiabilitiesDisclosureTextBlock", "div", "body", "html" ], "baseRef": "mack-20221231.htm", "contextRef": "C_c19325c4-6088-4815-a935-aaeb8da43577", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:ScheduleOfAccountsPayableAndAccruedLiabilitiesTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "100180 - Disclosure - Accounts Payable, Accrued Expenses and Other (Tables)", "menuCat": "Tables", "order": "18", "role": "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureAccountsPayableAccruedExpensesAndOtherTables", "shortName": "Accounts Payable, Accrued Expenses and Other (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "div", "us-gaap:AccountsPayableAndAccruedLiabilitiesDisclosureTextBlock", "div", "body", "html" ], "baseRef": "mack-20221231.htm", "contextRef": "C_c19325c4-6088-4815-a935-aaeb8da43577", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:ScheduleOfAccountsPayableAndAccruedLiabilitiesTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R19": { "firstAnchor": { "ancestors": [ "div", "us-gaap:DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock", "div", "body", "html" ], "baseRef": "mack-20221231.htm", "contextRef": "C_c19325c4-6088-4815-a935-aaeb8da43577", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "100200 - Disclosure - Stock-Based Compensation (Tables)", "menuCat": "Tables", "order": "19", "role": "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureStockBasedCompensationTables", "shortName": "Stock-Based Compensation (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "div", "us-gaap:DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock", "div", "body", "html" ], "baseRef": "mack-20221231.htm", "contextRef": "C_c19325c4-6088-4815-a935-aaeb8da43577", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R2": { "firstAnchor": { "ancestors": [ "span", "p", "td", "tr", "table", "body", "html" ], "baseRef": "mack-20221231.htm", "contextRef": "C_e7034ad8-ff42-42d9-ae80-ce1b9dd85944", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "reportCount": 1, "unique": true, "unitRef": "U_USD", "xsiNil": "false" }, "groupType": "statement", "isDefault": "false", "longName": "100010 - Statement - Consolidated Balance Sheets", "menuCat": "Statements", "order": "2", "role": "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_StatementConsolidatedBalanceSheets", "shortName": "Consolidated Balance Sheets", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "span", "p", "td", "tr", "table", "body", "html" ], "baseRef": "mack-20221231.htm", "contextRef": "C_e7034ad8-ff42-42d9-ae80-ce1b9dd85944", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "reportCount": 1, "unique": true, "unitRef": "U_USD", "xsiNil": "false" } }, "R20": { "firstAnchor": { "ancestors": [ "div", "us-gaap:IncomeTaxDisclosureTextBlock", "div", "body", "html" ], "baseRef": "mack-20221231.htm", "contextRef": "C_c19325c4-6088-4815-a935-aaeb8da43577", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "100210 - Disclosure - Income Taxes (Tables)", "menuCat": "Tables", "order": "20", "role": "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureIncomeTaxesTables", "shortName": "Income Taxes (Tables)", "subGroupType": "tables", "uniqueAnchor": { "ancestors": [ "div", "us-gaap:IncomeTaxDisclosureTextBlock", "div", "body", "html" ], "baseRef": "mack-20221231.htm", "contextRef": "C_c19325c4-6088-4815-a935-aaeb8da43577", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R21": { "firstAnchor": { "ancestors": [ "span", "p", "td", "tr", "table", "body", "html" ], "baseRef": "mack-20221231.htm", "contextRef": "C_e7034ad8-ff42-42d9-ae80-ce1b9dd85944", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:RetainedEarningsAccumulatedDeficit", "reportCount": 1, "unitRef": "U_USD", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "100220 - Disclosure - Nature of the Business and Summary of Significant Accounting Policies - Additional Information (Detail)", "menuCat": "Details", "order": "21", "role": "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureNatureOfBusinessAndSummaryOfSignificantAccountingPoliciesAdditionalInformationDetail", "shortName": "Nature of the Business and Summary of Significant Accounting Policies - Additional Information (Detail)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "p", "us-gaap:OrganizationConsolidationBasisOfPresentationBusinessDescriptionAndAccountingPoliciesTextBlock", "div", "body", "html" ], "baseRef": "mack-20221231.htm", "contextRef": "C_e7034ad8-ff42-42d9-ae80-ce1b9dd85944", "decimals": "-5", "lang": null, "name": "us-gaap:CashCashEquivalentsAndShortTermInvestments", "reportCount": 1, "unique": true, "unitRef": "U_USD", "xsiNil": "false" } }, "R22": { "firstAnchor": { "ancestors": [ "span", "p", "td", "tr", "table", "us-gaap:ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTextBlock", "div", "us-gaap:EarningsPerShareTextBlock", "div", "body", "html" ], "baseRef": "mack-20221231.htm", "contextRef": "C_e20fb910-b9b2-4cc3-8502-b649afe46fb2", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount", "reportCount": 1, "unique": true, "unitRef": "U_shares", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "100230 - Disclosure - Net Loss Per Common Share - Schedule of Securities Excluded from Computation of Diluted Loss Per Share (Detail)", "menuCat": "Details", "order": "22", "role": "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureNetLossPerCommonShareScheduleOfSecuritiesExcludedFromComputationOfDilutedLossPerShareDetail", "shortName": "Net Loss Per Common Share - Schedule of Securities Excluded from Computation of Diluted Loss Per Share (Detail)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "p", "td", "tr", "table", "us-gaap:ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTextBlock", "div", "us-gaap:EarningsPerShareTextBlock", "div", "body", "html" ], "baseRef": "mack-20221231.htm", "contextRef": "C_e20fb910-b9b2-4cc3-8502-b649afe46fb2", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount", "reportCount": 1, "unique": true, "unitRef": "U_shares", "xsiNil": "false" } }, "R23": { "firstAnchor": { "ancestors": [ "span", "p", "td", "tr", "table", "us-gaap:FairValueAssetsMeasuredOnRecurringBasisTextBlock", "div", "us-gaap:FairValueDisclosuresTextBlock", "div", "body", "html" ], "baseRef": "mack-20221231.htm", "contextRef": "C_5f03543e-5c46-4ecd-bdfa-a51f8224f24c", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:CashAndCashEquivalentsFairValueDisclosure", "reportCount": 1, "unique": true, "unitRef": "U_USD", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "100240 - Disclosure - Fair Value of Financial Instruments - Summary of Assets Measured at Fair Value on a Recurring Basis (Detail)", "menuCat": "Details", "order": "23", "role": "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureFairValueOfFinancialInstrumentsSummaryOfAssetsMeasuredAtFairValueOnRecurringBasisDetail", "shortName": "Fair Value of Financial Instruments - Summary of Assets Measured at Fair Value on a Recurring Basis (Detail)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "p", "td", "tr", "table", "us-gaap:FairValueAssetsMeasuredOnRecurringBasisTextBlock", "div", "us-gaap:FairValueDisclosuresTextBlock", "div", "body", "html" ], "baseRef": "mack-20221231.htm", "contextRef": "C_5f03543e-5c46-4ecd-bdfa-a51f8224f24c", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:CashAndCashEquivalentsFairValueDisclosure", "reportCount": 1, "unique": true, "unitRef": "U_USD", "xsiNil": "false" } }, "R24": { "firstAnchor": { "ancestors": [ "us-gaap:LiabilitiesFairValueDisclosure", "span", "p", "us-gaap:FairValueDisclosuresTextBlock", "div", "body", "html" ], "baseRef": "mack-20221231.htm", "contextRef": "C_a9fae8ef-f8d7-44e9-99f6-ef45d6cad001", "decimals": "INF", "first": true, "lang": null, "name": "us-gaap:LiabilitiesFairValueDisclosure", "reportCount": 1, "unique": true, "unitRef": "U_USD", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "100250 - Disclosure - Fair Value of Financial Instruments - Additional Information (Detail)", "menuCat": "Details", "order": "24", "role": "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureFairValueOfFinancialInstrumentsAdditionalInformationDetail", "shortName": "Fair Value of Financial Instruments - Additional Information (Detail)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "us-gaap:LiabilitiesFairValueDisclosure", "span", "p", "us-gaap:FairValueDisclosuresTextBlock", "div", "body", "html" ], "baseRef": "mack-20221231.htm", "contextRef": "C_a9fae8ef-f8d7-44e9-99f6-ef45d6cad001", "decimals": "INF", "first": true, "lang": null, "name": "us-gaap:LiabilitiesFairValueDisclosure", "reportCount": 1, "unique": true, "unitRef": "U_USD", "xsiNil": "false" } }, "R25": { "firstAnchor": { "ancestors": [ "span", "p", "td", "tr", "table", "us-gaap:ScheduleOfAccountsPayableAndAccruedLiabilitiesTableTextBlock", "div", "us-gaap:AccountsPayableAndAccruedLiabilitiesDisclosureTextBlock", "div", "body", "html" ], "baseRef": "mack-20221231.htm", "contextRef": "C_e7034ad8-ff42-42d9-ae80-ce1b9dd85944", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:AccountsPayableCurrent", "reportCount": 1, "unique": true, "unitRef": "U_USD", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "100260 - Disclosure - Accounts Payable, Accrued Expenses and Other - Schedule of Accounts Payable, Accrued Expenses and Other (Detail)", "menuCat": "Details", "order": "25", "role": "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureAccountsPayableAccruedExpensesAndOtherScheduleOfAccountsPayableAccruedExpensesAndOtherDetail", "shortName": "Accounts Payable, Accrued Expenses and Other - Schedule of Accounts Payable, Accrued Expenses and Other (Detail)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "p", "td", "tr", "table", "us-gaap:ScheduleOfAccountsPayableAndAccruedLiabilitiesTableTextBlock", "div", "us-gaap:AccountsPayableAndAccruedLiabilitiesDisclosureTextBlock", "div", "body", "html" ], "baseRef": "mack-20221231.htm", "contextRef": "C_e7034ad8-ff42-42d9-ae80-ce1b9dd85944", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:AccountsPayableCurrent", "reportCount": 1, "unique": true, "unitRef": "U_USD", "xsiNil": "false" } }, "R26": { "firstAnchor": { "ancestors": [ "span", "p", "td", "tr", "table", "body", "html" ], "baseRef": "mack-20221231.htm", "contextRef": "C_e7034ad8-ff42-42d9-ae80-ce1b9dd85944", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:CommonStockSharesIssued", "reportCount": 1, "unitRef": "U_shares", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "100290 - Disclosure - Common Stock - Additional Information (Detail)", "menuCat": "Details", "order": "26", "role": "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureCommonStockAdditionalInformationDetail", "shortName": "Common Stock - Additional Information (Detail)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "p", "us-gaap:StockholdersEquityNoteDisclosureTextBlock", "div", "body", "html" ], "baseRef": "mack-20221231.htm", "contextRef": "C_c19325c4-6088-4815-a935-aaeb8da43577", "decimals": null, "lang": "en-US", "name": "mack:RightsAgreementExpirationDate", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R27": { "firstAnchor": { "ancestors": [ "span", "p", "us-gaap:DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock", "div", "body", "html" ], "baseRef": "mack-20221231.htm", "contextRef": "C_c19325c4-6088-4815-a935-aaeb8da43577", "decimals": "INF", "first": true, "lang": null, "name": "us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross", "reportCount": 1, "unitRef": "U_shares", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "100300 - Disclosure - Stock-Based Compensation - Additional Information (Detail)", "menuCat": "Details", "order": "27", "role": "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureStockBasedCompensationAdditionalInformationDetail", "shortName": "Stock-Based Compensation - Additional Information (Detail)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "p", "us-gaap:DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock", "div", "body", "html" ], "baseRef": "mack-20221231.htm", "contextRef": "C_c19325c4-6088-4815-a935-aaeb8da43577", "decimals": "2", "lang": null, "name": "us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue", "reportCount": 1, "unique": true, "unitRef": "U_UnitedStatesOfAmericaDollarsShare", "xsiNil": "false" } }, "R28": { "firstAnchor": { "ancestors": [ "span", "p", "td", "tr", "table", "us-gaap:ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock", "div", "us-gaap:DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock", "div", "body", "html" ], "baseRef": "mack-20221231.htm", "contextRef": "C_c19325c4-6088-4815-a935-aaeb8da43577", "decimals": "4", "first": true, "lang": null, "name": "us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate", "reportCount": 1, "unique": true, "unitRef": "U_pure", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "100310 - Disclosure - Stock-Based Compensation - Schedule of Assumptions Used to Calculate Fair Value of Options Granted to Employees (Detail)", "menuCat": "Details", "order": "28", "role": "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureStockBasedCompensationScheduleOfAssumptionsUsedToCalculateFairValueOfOptionsGrantedToEmployeesDetail", "shortName": "Stock-Based Compensation - Schedule of Assumptions Used to Calculate Fair Value of Options Granted to Employees (Detail)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "p", "td", "tr", "table", "us-gaap:ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock", "div", "us-gaap:DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock", "div", "body", "html" ], "baseRef": "mack-20221231.htm", "contextRef": "C_c19325c4-6088-4815-a935-aaeb8da43577", "decimals": "4", "first": true, "lang": null, "name": "us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate", "reportCount": 1, "unique": true, "unitRef": "U_pure", "xsiNil": "false" } }, "R29": { "firstAnchor": { "ancestors": [ "span", "p", "td", "tr", "table", "us-gaap:ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock", "div", "us-gaap:DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock", "div", "body", "html" ], "baseRef": "mack-20221231.htm", "contextRef": "C_5c15a158-7b9d-4862-9021-c5a6e9793ea3", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber", "reportCount": 1, "unitRef": "U_shares", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "100320 - Disclosure - Stock-Based Compensation - Summary of Stock Option Activity (Detail)", "menuCat": "Details", "order": "29", "role": "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureStockBasedCompensationSummaryOfStockOptionActivityDetail", "shortName": "Stock-Based Compensation - Summary of Stock Option Activity (Detail)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "p", "td", "tr", "table", "us-gaap:ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock", "div", "us-gaap:DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock", "div", "body", "html" ], "baseRef": "mack-20221231.htm", "contextRef": "C_c19325c4-6088-4815-a935-aaeb8da43577", "decimals": "-3", "lang": null, "name": "us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod", "reportCount": 1, "unique": true, "unitRef": "U_shares", "xsiNil": "false" } }, "R3": { "firstAnchor": { "ancestors": [ "us-gaap:PreferredStockParOrStatedValuePerShare", "span", "p", "td", "tr", "table", "body", "html" ], "baseRef": "mack-20221231.htm", "contextRef": "C_e7034ad8-ff42-42d9-ae80-ce1b9dd85944", "decimals": "INF", "first": true, "lang": null, "name": "us-gaap:PreferredStockParOrStatedValuePerShare", "reportCount": 1, "unitRef": "U_UnitedStatesOfAmericaDollarsShare", "xsiNil": "false" }, "groupType": "statement", "isDefault": "false", "longName": "100020 - Statement - Consolidated Balance Sheets (Parenthetical)", "menuCat": "Statements", "order": "3", "role": "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_StatementConsolidatedBalanceSheetsParenthetical", "shortName": "Consolidated Balance Sheets (Parenthetical)", "subGroupType": "parenthetical", "uniqueAnchor": { "ancestors": [ "us-gaap:PreferredStockSharesAuthorized", "span", "p", "td", "tr", "table", "body", "html" ], "baseRef": "mack-20221231.htm", "contextRef": "C_e7034ad8-ff42-42d9-ae80-ce1b9dd85944", "decimals": "INF", "lang": null, "name": "us-gaap:PreferredStockSharesAuthorized", "reportCount": 1, "unique": true, "unitRef": "U_shares", "xsiNil": "false" } }, "R30": { "firstAnchor": { "ancestors": [ "span", "p", "td", "tr", "table", "body", "html" ], "baseRef": "mack-20221231.htm", "contextRef": "C_c19325c4-6088-4815-a935-aaeb8da43577", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:IncomeTaxExpenseBenefit", "reportCount": 1, "unitRef": "U_USD", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "100330 - Disclosure - Income Taxes - Additional Information (Detail)", "menuCat": "Details", "order": "30", "role": "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureIncomeTaxesAdditionalInformationDetail", "shortName": "Income Taxes - Additional Information (Detail)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "p", "us-gaap:IncomeTaxDisclosureTextBlock", "div", "body", "html" ], "baseRef": "mack-20221231.htm", "contextRef": "C_c19325c4-6088-4815-a935-aaeb8da43577", "decimals": "-5", "lang": null, "name": "mack:FederalOrphanDrugCredits", "reportCount": 1, "unique": true, "unitRef": "U_USD", "xsiNil": "false" } }, "R31": { "firstAnchor": { "ancestors": [ "span", "p", "td", "tr", "table", "us-gaap:ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock", "div", "us-gaap:IncomeTaxDisclosureTextBlock", "div", "body", "html" ], "baseRef": "mack-20221231.htm", "contextRef": "C_c19325c4-6088-4815-a935-aaeb8da43577", "decimals": "INF", "first": true, "lang": null, "name": "us-gaap:EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate", "reportCount": 1, "unique": true, "unitRef": "U_pure", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "100340 - Disclosure - Income Taxes - Schedule of Reconciliation of the Company's Effective Tax Rate to the Statutory Federal Income Tax Rate (Detail)", "menuCat": "Details", "order": "31", "role": "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureIncomeTaxesScheduleOfReconciliationOfCompanySEffectiveTaxRateToStatutoryFederalIncomeTaxRateDetail", "shortName": "Income Taxes - Schedule of Reconciliation of the Company's Effective Tax Rate to the Statutory Federal Income Tax Rate (Detail)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "p", "td", "tr", "table", "us-gaap:ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock", "div", "us-gaap:IncomeTaxDisclosureTextBlock", "div", "body", "html" ], "baseRef": "mack-20221231.htm", "contextRef": "C_c19325c4-6088-4815-a935-aaeb8da43577", "decimals": "INF", "first": true, "lang": null, "name": "us-gaap:EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate", "reportCount": 1, "unique": true, "unitRef": "U_pure", "xsiNil": "false" } }, "R32": { "firstAnchor": { "ancestors": [ "span", "p", "td", "tr", "table", "us-gaap:ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock", "div", "us-gaap:IncomeTaxDisclosureTextBlock", "div", "body", "html" ], "baseRef": "mack-20221231.htm", "contextRef": "C_e7034ad8-ff42-42d9-ae80-ce1b9dd85944", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:DeferredTaxAssetsOperatingLossCarryforwards", "reportCount": 1, "unique": true, "unitRef": "U_USD", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "100350 - Disclosure - Income Taxes - Schedule of Temporary Differences That Give Rise to Significant Net Deferred Tax Assets (Detail)", "menuCat": "Details", "order": "32", "role": "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureIncomeTaxesScheduleOfTemporaryDifferencesThatGiveRiseToSignificantNetDeferredTaxAssetsDetail", "shortName": "Income Taxes - Schedule of Temporary Differences That Give Rise to Significant Net Deferred Tax Assets (Detail)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "p", "td", "tr", "table", "us-gaap:ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock", "div", "us-gaap:IncomeTaxDisclosureTextBlock", "div", "body", "html" ], "baseRef": "mack-20221231.htm", "contextRef": "C_e7034ad8-ff42-42d9-ae80-ce1b9dd85944", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:DeferredTaxAssetsOperatingLossCarryforwards", "reportCount": 1, "unique": true, "unitRef": "U_USD", "xsiNil": "false" } }, "R33": { "firstAnchor": { "ancestors": [ "span", "p", "td", "tr", "table", "us-gaap:ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock", "div", "us-gaap:IncomeTaxDisclosureTextBlock", "div", "body", "html" ], "baseRef": "mack-20221231.htm", "contextRef": "C_5c15a158-7b9d-4862-9021-c5a6e9793ea3", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:DeferredTaxAssetsValuationAllowance", "reportCount": 1, "unitRef": "U_USD", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "100360 - Disclosure - Income Taxes - Schedule of Changes in the Valuation Allowance (Detail)", "menuCat": "Details", "order": "33", "role": "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureIncomeTaxesScheduleOfChangesInValuationAllowanceDetail", "shortName": "Income Taxes - Schedule of Changes in the Valuation Allowance (Detail)", "subGroupType": "details", "uniqueAnchor": { "ancestors": [ "span", "p", "td", "tr", "table", "ix:continuation", "div", "us-gaap:IncomeTaxDisclosureTextBlock", "div", "body", "html" ], "baseRef": "mack-20221231.htm", "contextRef": "C_c19325c4-6088-4815-a935-aaeb8da43577", "decimals": "-3", "lang": null, "name": "mack:ValuationAllowanceDeferredTaxAssetAdditions", "reportCount": 1, "unique": true, "unitRef": "U_USD", "xsiNil": "false" } }, "R34": { "firstAnchor": { "ancestors": [ "span", "p", "us-gaap:OrganizationConsolidationBasisOfPresentationBusinessDescriptionAndAccountingPoliciesTextBlock", "div", "body", "html" ], "baseRef": "mack-20221231.htm", "contextRef": "C_09991c72-6259-4000-8115-ef829ec5875c", "decimals": "-5", "first": true, "lang": null, "name": "mack:OptionFee", "reportCount": 1, "unitRef": "U_USD", "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "100370 - Disclosure - Subsequent Events - Additional Information (Detail)", "menuCat": "Details", "order": "34", "role": "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureSubsequentEventsAdditionalInformationDetail", "shortName": "Subsequent Events - Additional Information (Detail)", "subGroupType": "details", "uniqueAnchor": null }, "R4": { "firstAnchor": { "ancestors": [ "span", "p", "td", "tr", "table", "body", "html" ], "baseRef": "mack-20221231.htm", "contextRef": "C_c19325c4-6088-4815-a935-aaeb8da43577", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:GeneralAndAdministrativeExpense", "reportCount": 1, "unique": true, "unitRef": "U_USD", "xsiNil": "false" }, "groupType": "statement", "isDefault": "false", "longName": "100030 - Statement - Consolidated Statements of Operations and Comprehensive Loss", "menuCat": "Statements", "order": "4", "role": "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_StatementConsolidatedStatementsOfOperationsAndComprehensiveLoss", "shortName": "Consolidated Statements of Operations and Comprehensive Loss", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "span", "p", "td", "tr", "table", "body", "html" ], "baseRef": "mack-20221231.htm", "contextRef": "C_c19325c4-6088-4815-a935-aaeb8da43577", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:GeneralAndAdministrativeExpense", "reportCount": 1, "unique": true, "unitRef": "U_USD", "xsiNil": "false" } }, "R5": { "firstAnchor": { "ancestors": [ "span", "p", "td", "tr", "table", "body", "html" ], "baseRef": "mack-20221231.htm", "contextRef": "C_d9347ffb-3878-42e9-8a41-9add50b85ed9", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:StockholdersEquity", "reportCount": 1, "unique": true, "unitRef": "U_USD", "xsiNil": "false" }, "groupType": "statement", "isDefault": "false", "longName": "100040 - Statement - Consolidated Statements of Stockholders' Equity", "menuCat": "Statements", "order": "5", "role": "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_StatementConsolidatedStatementsOfStockholdersEquity", "shortName": "Consolidated Statements of Stockholders' Equity", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "span", "p", "td", "tr", "table", "body", "html" ], "baseRef": "mack-20221231.htm", "contextRef": "C_d9347ffb-3878-42e9-8a41-9add50b85ed9", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:StockholdersEquity", "reportCount": 1, "unique": true, "unitRef": "U_USD", "xsiNil": "false" } }, "R6": { "firstAnchor": { "ancestors": [ "span", "p", "td", "tr", "table", "body", "html" ], "baseRef": "mack-20221231.htm", "contextRef": "C_c19325c4-6088-4815-a935-aaeb8da43577", "decimals": "-3", "first": true, "lang": null, "name": "us-gaap:ProfitLoss", "reportCount": 1, "unitRef": "U_USD", "xsiNil": "false" }, "groupType": "statement", "isDefault": "false", "longName": "100050 - Statement - Consolidated Statements of Cash Flows", "menuCat": "Statements", "order": "6", "role": "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_StatementConsolidatedStatementsOfCashFlows", "shortName": "Consolidated Statements of Cash Flows", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "span", "p", "td", "tr", "table", "body", "html" ], "baseRef": "mack-20221231.htm", "contextRef": "C_c19325c4-6088-4815-a935-aaeb8da43577", "decimals": "-3", "lang": null, "name": "mack:GainOnSaleOfInProcessResearchAndDevelopmentAsset", "reportCount": 1, "unique": true, "unitRef": "U_USD", "xsiNil": "false" } }, "R7": { "firstAnchor": { "ancestors": [ "div", "body", "html" ], "baseRef": "mack-20221231.htm", "contextRef": "C_c19325c4-6088-4815-a935-aaeb8da43577", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:OrganizationConsolidationBasisOfPresentationBusinessDescriptionAndAccountingPoliciesTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "100060 - Disclosure - Nature of the Business and Summary of Significant Accounting Policies", "menuCat": "Notes", "order": "7", "role": "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureNatureOfBusinessAndSummaryOfSignificantAccountingPolicies", "shortName": "Nature of the Business and Summary of Significant Accounting Policies", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "div", "body", "html" ], "baseRef": "mack-20221231.htm", "contextRef": "C_c19325c4-6088-4815-a935-aaeb8da43577", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:OrganizationConsolidationBasisOfPresentationBusinessDescriptionAndAccountingPoliciesTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R8": { "firstAnchor": { "ancestors": [ "div", "body", "html" ], "baseRef": "mack-20221231.htm", "contextRef": "C_c19325c4-6088-4815-a935-aaeb8da43577", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:EarningsPerShareTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "100070 - Disclosure - Net Loss Per Common Share", "menuCat": "Notes", "order": "8", "role": "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureNetLossPerCommonShare", "shortName": "Net Loss Per Common Share", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "div", "body", "html" ], "baseRef": "mack-20221231.htm", "contextRef": "C_c19325c4-6088-4815-a935-aaeb8da43577", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:EarningsPerShareTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } }, "R9": { "firstAnchor": { "ancestors": [ "div", "body", "html" ], "baseRef": "mack-20221231.htm", "contextRef": "C_c19325c4-6088-4815-a935-aaeb8da43577", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:FairValueDisclosuresTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" }, "groupType": "disclosure", "isDefault": "false", "longName": "100080 - Disclosure - Fair Value of Financial Instruments", "menuCat": "Notes", "order": "9", "role": "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureFairValueOfFinancialInstruments", "shortName": "Fair Value of Financial Instruments", "subGroupType": "", "uniqueAnchor": { "ancestors": [ "div", "body", "html" ], "baseRef": "mack-20221231.htm", "contextRef": "C_c19325c4-6088-4815-a935-aaeb8da43577", "decimals": null, "first": true, "lang": "en-US", "name": "us-gaap:FairValueDisclosuresTextBlock", "reportCount": 1, "unique": true, "unitRef": null, "xsiNil": "false" } } }, "segmentCount": 32, "tag": { "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", "terseLabel": "Amendment Flag" } } }, "localname": "AmendmentFlag", "nsuri": "http://xbrl.sec.gov/dei/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DocumentDocumentAndEntityInformation" ], "xbrltype": "booleanItemType" }, "dei_AuditorFirmId": { "auth_ref": [ "r377", "r378", "r379" ], "lang": { "en-us": { "role": { "documentation": "PCAOB issued Audit Firm Identifier", "label": "Auditor Firm ID", "terseLabel": "Auditor Firm ID" } } }, "localname": "AuditorFirmId", "nsuri": "http://xbrl.sec.gov/dei/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DocumentDocumentAndEntityInformation" ], "xbrltype": "nonemptySequenceNumberItemType" }, "dei_AuditorLocation": { "auth_ref": [ "r377", "r378", "r379" ], "lang": { "en-us": { "role": { "label": "Auditor Location", "terseLabel": "Auditor Location" } } }, "localname": "AuditorLocation", "nsuri": "http://xbrl.sec.gov/dei/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DocumentDocumentAndEntityInformation" ], "xbrltype": "internationalNameItemType" }, "dei_AuditorName": { "auth_ref": [ "r377", "r378", "r379" ], "lang": { "en-us": { "role": { "label": "Auditor Name", "terseLabel": "Auditor Name" } } }, "localname": "AuditorName", "nsuri": "http://xbrl.sec.gov/dei/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DocumentDocumentAndEntityInformation" ], "xbrltype": "internationalNameItemType" }, "dei_CityAreaCode": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Area code of city", "label": "City Area Code", "terseLabel": "City Area Code" } } }, "localname": "CityAreaCode", "nsuri": "http://xbrl.sec.gov/dei/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DocumentDocumentAndEntityInformation" ], "xbrltype": "normalizedStringItemType" }, "dei_CoverAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Cover page.", "label": "Cover [Abstract]" } } }, "localname": "CoverAbstract", "nsuri": "http://xbrl.sec.gov/dei/2022", "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", "terseLabel": "Current Fiscal Year End Date" } } }, "localname": "CurrentFiscalYearEndDate", "nsuri": "http://xbrl.sec.gov/dei/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DocumentDocumentAndEntityInformation" ], "xbrltype": "gMonthDayItemType" }, "dei_DocumentAnnualReport": { "auth_ref": [ "r377", "r378", "r379" ], "lang": { "en-us": { "role": { "documentation": "Boolean flag that is true only for a form used as an annual report.", "label": "Document Annual Report", "terseLabel": "Document Annual Report" } } }, "localname": "DocumentAnnualReport", "nsuri": "http://xbrl.sec.gov/dei/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DocumentDocumentAndEntityInformation" ], "xbrltype": "booleanItemType" }, "dei_DocumentFiscalPeriodFocus": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Fiscal period values are FY, Q1, Q2, and Q3. 1st, 2nd and 3rd quarter 10-Q or 10-QT statements have value Q1, Q2, and Q3 respectively, with 10-K, 10-KT or other fiscal year statements having FY.", "label": "Document Fiscal Period Focus", "terseLabel": "Document Fiscal Period Focus" } } }, "localname": "DocumentFiscalPeriodFocus", "nsuri": "http://xbrl.sec.gov/dei/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DocumentDocumentAndEntityInformation" ], "xbrltype": "fiscalPeriodItemType" }, "dei_DocumentFiscalYearFocus": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This is focus fiscal year of the document report in YYYY format. For a 2006 annual report, which may also provide financial information from prior periods, fiscal 2006 should be given as the fiscal year focus. Example: 2006.", "label": "Document Fiscal Year Focus", "terseLabel": "Document Fiscal Year Focus" } } }, "localname": "DocumentFiscalYearFocus", "nsuri": "http://xbrl.sec.gov/dei/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DocumentDocumentAndEntityInformation" ], "xbrltype": "gYearItemType" }, "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", "terseLabel": "Document Period End Date" } } }, "localname": "DocumentPeriodEndDate", "nsuri": "http://xbrl.sec.gov/dei/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DocumentDocumentAndEntityInformation" ], "xbrltype": "dateItemType" }, "dei_DocumentTransitionReport": { "auth_ref": [ "r380" ], "lang": { "en-us": { "role": { "documentation": "Boolean flag that is true only for a form used as a transition report.", "label": "Document Transition Report", "terseLabel": "Document Transition Report" } } }, "localname": "DocumentTransitionReport", "nsuri": "http://xbrl.sec.gov/dei/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DocumentDocumentAndEntityInformation" ], "xbrltype": "booleanItemType" }, "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", "terseLabel": "Document Type" } } }, "localname": "DocumentType", "nsuri": "http://xbrl.sec.gov/dei/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DocumentDocumentAndEntityInformation" ], "xbrltype": "submissionTypeItemType" }, "dei_DocumentsIncorporatedByReferenceTextBlock": { "auth_ref": [ "r375" ], "lang": { "en-us": { "role": { "documentation": "Documents incorporated by reference.", "label": "Documents Incorporated by Reference [Text Block]", "terseLabel": "Documents Incorporated by Reference [Text Block]" } } }, "localname": "DocumentsIncorporatedByReferenceTextBlock", "nsuri": "http://xbrl.sec.gov/dei/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DocumentDocumentAndEntityInformation" ], "xbrltype": "textBlockItemType" }, "dei_EntityAddressAddressLine1": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Address Line 1 such as Attn, Building Name, Street Name", "label": "Entity Address, Address Line One", "terseLabel": "Entity Address, Address Line One" } } }, "localname": "EntityAddressAddressLine1", "nsuri": "http://xbrl.sec.gov/dei/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DocumentDocumentAndEntityInformation" ], "xbrltype": "normalizedStringItemType" }, "dei_EntityAddressAddressLine2": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Address Line 2 such as Street or Suite number", "label": "Entity Address, Address Line Two", "terseLabel": "Entity Address, Address Line Two" } } }, "localname": "EntityAddressAddressLine2", "nsuri": "http://xbrl.sec.gov/dei/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DocumentDocumentAndEntityInformation" ], "xbrltype": "normalizedStringItemType" }, "dei_EntityAddressCityOrTown": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Name of the City or Town", "label": "Entity Address, City or Town", "terseLabel": "Entity Address, City or Town" } } }, "localname": "EntityAddressCityOrTown", "nsuri": "http://xbrl.sec.gov/dei/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DocumentDocumentAndEntityInformation" ], "xbrltype": "normalizedStringItemType" }, "dei_EntityAddressPostalZipCode": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Code for the postal or zip code", "label": "Entity Address, Postal Zip Code", "terseLabel": "Entity Address, Postal Zip Code" } } }, "localname": "EntityAddressPostalZipCode", "nsuri": "http://xbrl.sec.gov/dei/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DocumentDocumentAndEntityInformation" ], "xbrltype": "normalizedStringItemType" }, "dei_EntityAddressStateOrProvince": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Name of the state or province.", "label": "Entity Address, State or Province", "terseLabel": "Entity Address, State or Province" } } }, "localname": "EntityAddressStateOrProvince", "nsuri": "http://xbrl.sec.gov/dei/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DocumentDocumentAndEntityInformation" ], "xbrltype": "stateOrProvinceItemType" }, "dei_EntityCentralIndexKey": { "auth_ref": [ "r374" ], "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", "terseLabel": "Entity Central Index Key" } } }, "localname": "EntityCentralIndexKey", "nsuri": "http://xbrl.sec.gov/dei/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DocumentDocumentAndEntityInformation" ], "xbrltype": "centralIndexKeyItemType" }, "dei_EntityCommonStockSharesOutstanding": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Indicate number of shares or other units outstanding of each of registrant's classes of capital or common stock or other ownership interests, if and as stated on cover of related periodic report. Where multiple classes or units exist define each class/interest by adding class of stock items such as Common Class A [Member], Common Class B [Member] or Partnership Interest [Member] onto the Instrument [Domain] of the Entity Listings, Instrument.", "label": "Entity Common Stock, Shares Outstanding", "terseLabel": "Entity Common Stock, Shares Outstanding" } } }, "localname": "EntityCommonStockSharesOutstanding", "nsuri": "http://xbrl.sec.gov/dei/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DocumentDocumentAndEntityInformation" ], "xbrltype": "sharesItemType" }, "dei_EntityCurrentReportingStatus": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Indicate 'Yes' or 'No' whether registrants (1) have filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that registrants were required to file such reports), and (2) have been subject to such filing requirements for the past 90 days. This information should be based on the registrant's current or most recent filing containing the related disclosure.", "label": "Entity Current Reporting Status", "terseLabel": "Entity Current Reporting Status" } } }, "localname": "EntityCurrentReportingStatus", "nsuri": "http://xbrl.sec.gov/dei/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DocumentDocumentAndEntityInformation" ], "xbrltype": "yesNoItemType" }, "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]", "terseLabel": "Entity" } } }, "localname": "EntityDomain", "nsuri": "http://xbrl.sec.gov/dei/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureNatureOfBusinessAndSummaryOfSignificantAccountingPoliciesAdditionalInformationDetail", "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureSubsequentEventsAdditionalInformationDetail" ], "xbrltype": "domainItemType" }, "dei_EntityEmergingGrowthCompany": { "auth_ref": [ "r374" ], "lang": { "en-us": { "role": { "documentation": "Indicate if registrant meets the emerging growth company criteria.", "label": "Entity Emerging Growth Company", "terseLabel": "Entity Emerging Growth Company" } } }, "localname": "EntityEmergingGrowthCompany", "nsuri": "http://xbrl.sec.gov/dei/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DocumentDocumentAndEntityInformation" ], "xbrltype": "booleanItemType" }, "dei_EntityFileNumber": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Commission file number. The field allows up to 17 characters. The prefix may contain 1-3 digits, the sequence number may contain 1-8 digits, the optional suffix may contain 1-4 characters, and the fields are separated with a hyphen.", "label": "Securities Act File Number", "terseLabel": "Entity File Number" } } }, "localname": "EntityFileNumber", "nsuri": "http://xbrl.sec.gov/dei/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DocumentDocumentAndEntityInformation" ], "xbrltype": "fileNumberItemType" }, "dei_EntityFilerCategory": { "auth_ref": [ "r374" ], "lang": { "en-us": { "role": { "documentation": "Indicate whether the registrant is one of the following: Large Accelerated Filer, Accelerated Filer, Non-accelerated Filer. Definitions of these categories are stated in Rule 12b-2 of the Exchange Act. This information should be based on the registrant's current or most recent filing containing the related disclosure.", "label": "Entity Filer Category", "terseLabel": "Entity Filer Category" } } }, "localname": "EntityFilerCategory", "nsuri": "http://xbrl.sec.gov/dei/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DocumentDocumentAndEntityInformation" ], "xbrltype": "filerCategoryItemType" }, "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": "Entity Incorporation, State or Country Code" } } }, "localname": "EntityIncorporationStateCountryCode", "nsuri": "http://xbrl.sec.gov/dei/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DocumentDocumentAndEntityInformation" ], "xbrltype": "edgarStateCountryItemType" }, "dei_EntityInteractiveDataCurrent": { "auth_ref": [ "r381" ], "lang": { "en-us": { "role": { "documentation": "Boolean flag that is true when the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T during the preceding 12 months (or for such shorter period that the registrant was required to submit such files).", "label": "Entity Interactive Data Current", "terseLabel": "Entity Interactive Data Current" } } }, "localname": "EntityInteractiveDataCurrent", "nsuri": "http://xbrl.sec.gov/dei/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DocumentDocumentAndEntityInformation" ], "xbrltype": "yesNoItemType" }, "dei_EntityPublicFloat": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The aggregate market value of the voting and non-voting common equity held by non-affiliates computed by reference to the price at which the common equity was last sold, or the average bid and asked price of such common equity, as of the last business day of the registrant's most recently completed second fiscal quarter.", "label": "Entity Public Float", "terseLabel": "Entity Public Float" } } }, "localname": "EntityPublicFloat", "nsuri": "http://xbrl.sec.gov/dei/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DocumentDocumentAndEntityInformation" ], "xbrltype": "monetaryItemType" }, "dei_EntityRegistrantName": { "auth_ref": [ "r374" ], "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", "terseLabel": "Entity Registrant Name" } } }, "localname": "EntityRegistrantName", "nsuri": "http://xbrl.sec.gov/dei/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DocumentDocumentAndEntityInformation" ], "xbrltype": "normalizedStringItemType" }, "dei_EntityShellCompany": { "auth_ref": [ "r374" ], "lang": { "en-us": { "role": { "documentation": "Boolean flag that is true when the registrant is a shell company as defined in Rule 12b-2 of the Exchange Act.", "label": "Entity Shell Company", "terseLabel": "Entity Shell Company" } } }, "localname": "EntityShellCompany", "nsuri": "http://xbrl.sec.gov/dei/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DocumentDocumentAndEntityInformation" ], "xbrltype": "booleanItemType" }, "dei_EntitySmallBusiness": { "auth_ref": [ "r374" ], "lang": { "en-us": { "role": { "documentation": "Indicates that the company is a Smaller Reporting Company (SRC).", "label": "Entity Small Business", "terseLabel": "Entity Small Business" } } }, "localname": "EntitySmallBusiness", "nsuri": "http://xbrl.sec.gov/dei/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DocumentDocumentAndEntityInformation" ], "xbrltype": "booleanItemType" }, "dei_EntityTaxIdentificationNumber": { "auth_ref": [ "r374" ], "lang": { "en-us": { "role": { "documentation": "The Tax Identification Number (TIN), also known as an Employer Identification Number (EIN), is a unique 9-digit value assigned by the IRS.", "label": "Entity Tax Identification Number", "terseLabel": "Entity Tax Identification Number" } } }, "localname": "EntityTaxIdentificationNumber", "nsuri": "http://xbrl.sec.gov/dei/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DocumentDocumentAndEntityInformation" ], "xbrltype": "employerIdItemType" }, "dei_EntityVoluntaryFilers": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Indicate 'Yes' or 'No' if the registrant is not required to file reports pursuant to Section 13 or Section 15(d) of the Act.", "label": "Entity Voluntary Filers", "terseLabel": "Entity Voluntary Filers" } } }, "localname": "EntityVoluntaryFilers", "nsuri": "http://xbrl.sec.gov/dei/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DocumentDocumentAndEntityInformation" ], "xbrltype": "yesNoItemType" }, "dei_EntityWellKnownSeasonedIssuer": { "auth_ref": [ "r382" ], "lang": { "en-us": { "role": { "documentation": "Indicate 'Yes' or 'No' if the registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities Act. Is used on Form Type: 10-K, 10-Q, 8-K, 20-F, 6-K, 10-K/A, 10-Q/A, 20-F/A, 6-K/A, N-CSR, N-Q, N-1A.", "label": "Entity Well-known Seasoned Issuer", "terseLabel": "Entity Well-known Seasoned Issuer" } } }, "localname": "EntityWellKnownSeasonedIssuer", "nsuri": "http://xbrl.sec.gov/dei/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DocumentDocumentAndEntityInformation" ], "xbrltype": "yesNoItemType" }, "dei_IcfrAuditorAttestationFlag": { "auth_ref": [ "r377", "r378", "r379" ], "lang": { "en-us": { "role": { "label": "ICFR Auditor Attestation Flag", "terseLabel": "ICFR Auditor Attestation Flag" } } }, "localname": "IcfrAuditorAttestationFlag", "nsuri": "http://xbrl.sec.gov/dei/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DocumentDocumentAndEntityInformation" ], "xbrltype": "booleanItemType" }, "dei_LegalEntityAxis": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "The set of legal entities associated with a report.", "label": "Legal Entity [Axis]", "terseLabel": "Legal Entity" } } }, "localname": "LegalEntityAxis", "nsuri": "http://xbrl.sec.gov/dei/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureNatureOfBusinessAndSummaryOfSignificantAccountingPoliciesAdditionalInformationDetail", "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureSubsequentEventsAdditionalInformationDetail" ], "xbrltype": "stringItemType" }, "dei_LocalPhoneNumber": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Local phone number for entity.", "label": "Local Phone Number", "terseLabel": "Local Phone Number" } } }, "localname": "LocalPhoneNumber", "nsuri": "http://xbrl.sec.gov/dei/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DocumentDocumentAndEntityInformation" ], "xbrltype": "normalizedStringItemType" }, "dei_Security12bTitle": { "auth_ref": [ "r373" ], "lang": { "en-us": { "role": { "documentation": "Title of a 12(b) registered security.", "label": "Title of 12(b) Security", "terseLabel": "Title of 12(b) Security" } } }, "localname": "Security12bTitle", "nsuri": "http://xbrl.sec.gov/dei/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DocumentDocumentAndEntityInformation" ], "xbrltype": "securityTitleItemType" }, "dei_SecurityExchangeName": { "auth_ref": [ "r376" ], "lang": { "en-us": { "role": { "documentation": "Name of the Exchange on which a security is registered.", "label": "Security Exchange Name", "terseLabel": "Security Exchange Name" } } }, "localname": "SecurityExchangeName", "nsuri": "http://xbrl.sec.gov/dei/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DocumentDocumentAndEntityInformation" ], "xbrltype": "edgarExchangeCodeItemType" }, "dei_TradingSymbol": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Trading symbol of an instrument as listed on an exchange.", "label": "Trading Symbol", "terseLabel": "Trading Symbol" } } }, "localname": "TradingSymbol", "nsuri": "http://xbrl.sec.gov/dei/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DocumentDocumentAndEntityInformation" ], "xbrltype": "tradingSymbolItemType" }, "mack_AccruedAndOtherLiabilities": { "auth_ref": [], "calculation": { "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureAccountsPayableAccruedExpensesAndOtherScheduleOfAccountsPayableAccruedExpensesAndOtherDetail": { "order": 3.0, "parentTag": "us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Accrued and other liabilities.", "label": "Accrued And Other Liabilities", "terseLabel": "Others" } } }, "localname": "AccruedAndOtherLiabilities", "nsuri": "http://www.merrimackpharma.com/20221231", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureAccountsPayableAccruedExpensesAndOtherScheduleOfAccountsPayableAccruedExpensesAndOtherDetail" ], "xbrltype": "monetaryItemType" }, "mack_AccruedClinicalTrialCosts": { "auth_ref": [], "calculation": { "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureAccountsPayableAccruedExpensesAndOtherScheduleOfAccountsPayableAccruedExpensesAndOtherDetail": { "order": 2.0, "parentTag": "us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Carrying value as of the balance sheet date of obligations incurred through that date arising from ongoing clinical trial activity.", "label": "Accrued Clinical Trial Costs", "verboseLabel": "Accrued clinical trial costs" } } }, "localname": "AccruedClinicalTrialCosts", "nsuri": "http://www.merrimackpharma.com/20221231", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureAccountsPayableAccruedExpensesAndOtherScheduleOfAccountsPayableAccruedExpensesAndOtherDetail" ], "xbrltype": "monetaryItemType" }, "mack_AccruedExpensesPolicyTextBlock": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Accrued expenses policy.", "label": "Accrued Expenses Policy [Text Block]", "terseLabel": "Accrued Expenses" } } }, "localname": "AccruedExpensesPolicyTextBlock", "nsuri": "http://www.merrimackpharma.com/20221231", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureNatureOfBusinessAndSummaryOfSignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "mack_AcquiringBeneficialOwnershipPercentageOfCommonStockOutstanding": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Acquiring beneficial ownership percentage of common stock outstanding.", "label": "Acquiring Beneficial Ownership Percentage Of Common Stock Outstanding", "terseLabel": "Acquiring beneficial ownership percentage of common stock outstanding" } } }, "localname": "AcquiringBeneficialOwnershipPercentageOfCommonStockOutstanding", "nsuri": "http://www.merrimackpharma.com/20221231", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureCommonStockAdditionalInformationDetail" ], "xbrltype": "percentItemType" }, "mack_AdditionalIndicationMember": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Additional Indication [Member]", "terseLabel": "Additional Indication [Member]" } } }, "localname": "AdditionalIndicationMember", "nsuri": "http://www.merrimackpharma.com/20221231", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureNatureOfBusinessAndSummaryOfSignificantAccountingPoliciesAdditionalInformationDetail" ], "xbrltype": "domainItemType" }, "mack_AdditionalPaymentsReceivableOnAchievementOfCertainMilestoneEvents": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Additional payments receivable on achievement of certain milestone events.", "label": "Additional Payments Receivable On Achievement Of Certain Milestone Events", "terseLabel": "Additional payments receivable on achievement of certain milestone events" } } }, "localname": "AdditionalPaymentsReceivableOnAchievementOfCertainMilestoneEvents", "nsuri": "http://www.merrimackpharma.com/20221231", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureNatureOfBusinessAndSummaryOfSignificantAccountingPoliciesAdditionalInformationDetail" ], "xbrltype": "monetaryItemType" }, "mack_AfterFailureOfFirstLineChemotherapyMember": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "After Failure Of First Line Chemotherapy [Member]", "terseLabel": "After Failure of First Line Chemotherapy [Member]" } } }, "localname": "AfterFailureOfFirstLineChemotherapyMember", "nsuri": "http://www.merrimackpharma.com/20221231", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureNatureOfBusinessAndSummaryOfSignificantAccountingPoliciesAdditionalInformationDetail" ], "xbrltype": "domainItemType" }, "mack_AllocatedShareBasedCompensationExpenseIncludingNonEmployees": { "auth_ref": [], "calculation": { "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_StatementConsolidatedStatementsOfCashFlows": { "order": 2.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and nonemployees.", "label": "Allocated Share Based Compensation Expense Including Non Employees", "terseLabel": "Stock-based compensation expense" } } }, "localname": "AllocatedShareBasedCompensationExpenseIncludingNonEmployees", "nsuri": "http://www.merrimackpharma.com/20221231", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_StatementConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "mack_AssetPurchaseOptionAgreementMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Asset purchase option agreement.", "label": "Asset Purchase Option Agreement [Member]", "terseLabel": "Asset Purchase Option Agreement [Member]" } } }, "localname": "AssetPurchaseOptionAgreementMember", "nsuri": "http://www.merrimackpharma.com/20221231", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureNatureOfBusinessAndSummaryOfSignificantAccountingPoliciesAdditionalInformationDetail", "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureSubsequentEventsAdditionalInformationDetail" ], "xbrltype": "domainItemType" }, "mack_AssetSaleAgreementMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Asset sale agreement.", "label": "Asset Sale Agreement [Member]", "terseLabel": "Asset Sale Agreement [Member]" } } }, "localname": "AssetSaleAgreementMember", "nsuri": "http://www.merrimackpharma.com/20221231", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureNatureOfBusinessAndSummaryOfSignificantAccountingPoliciesAdditionalInformationDetail" ], "xbrltype": "domainItemType" }, "mack_BasisOfAccountingAndConsolidationPolicyTextBlock": { "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). Also includes the disclosure of accounting policy regarding (1) the principles it follows in consolidating or combining the separate financial statements, including the principles followed in determining the inclusion or exclusion of subsidiaries or other entities in the consolidated or combined financial statements and (2) its treatment of interests (for example, common stock, a partnership interest or other means of exerting influence) in other entities, for example consolidation or use of the equity or cost methods of accounting. The accounting policy may also address the accounting treatment for intercompany accounts and transactions, noncontrolling interest, and the income statement treatment in consolidation for issuances of stock by a subsidiary.", "label": "Basis Of Accounting And Consolidation Policy [Text Block]", "terseLabel": "Basis of Presentation and Consolidation" } } }, "localname": "BasisOfAccountingAndConsolidationPolicyTextBlock", "nsuri": "http://www.merrimackpharma.com/20221231", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureNatureOfBusinessAndSummaryOfSignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "mack_CashPaymentReceived": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Cash payment received.", "label": "Cash Payment Received", "terseLabel": "Cash payment received" } } }, "localname": "CashPaymentReceived", "nsuri": "http://www.merrimackpharma.com/20221231", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureNatureOfBusinessAndSummaryOfSignificantAccountingPoliciesAdditionalInformationDetail" ], "xbrltype": "monetaryItemType" }, "mack_CelatorPharmaceuticalsIncMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Celator Pharmaceuticals Inc [Member].", "label": "Celator Pharmaceuticals Inc [Member]", "terseLabel": "Celator Pharmaceuticals Inc [Member]" } } }, "localname": "CelatorPharmaceuticalsIncMember", "nsuri": "http://www.merrimackpharma.com/20221231", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureNatureOfBusinessAndSummaryOfSignificantAccountingPoliciesAdditionalInformationDetail" ], "xbrltype": "domainItemType" }, "mack_ComputershareTrustCompanyNMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Represents the information pertaining to Computershare Trust Company, N.A.", "label": "Computershare Trust Company N [Member]", "terseLabel": "Computershare Trust Company N.A [Member]" } } }, "localname": "ComputershareTrustCompanyNMember", "nsuri": "http://www.merrimackpharma.com/20221231", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureCommonStockAdditionalInformationDetail" ], "xbrltype": "domainItemType" }, "mack_ConsiderationReceivable": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Consideration receivable.", "label": "Consideration Receivable", "terseLabel": "Consideration receivable" } } }, "localname": "ConsiderationReceivable", "nsuri": "http://www.merrimackpharma.com/20221231", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureNatureOfBusinessAndSummaryOfSignificantAccountingPoliciesAdditionalInformationDetail" ], "xbrltype": "monetaryItemType" }, "mack_ConsiderationReceived": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Consideration received.", "label": "Consideration Received", "terseLabel": "Consideration received" } } }, "localname": "ConsiderationReceived", "nsuri": "http://www.merrimackpharma.com/20221231", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureNatureOfBusinessAndSummaryOfSignificantAccountingPoliciesAdditionalInformationDetail" ], "xbrltype": "monetaryItemType" }, "mack_ContingentMilestonePaymentsReceivable": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Contingent milestone payments receivable.", "label": "Contingent Milestone Payments Receivable", "terseLabel": "Contingent milestone payments receivable" } } }, "localname": "ContingentMilestonePaymentsReceivable", "nsuri": "http://www.merrimackpharma.com/20221231", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureNatureOfBusinessAndSummaryOfSignificantAccountingPoliciesAdditionalInformationDetail" ], "xbrltype": "monetaryItemType" }, "mack_DeferredTaxAssetsDeferredExpenseCapitalizedResearchAndDevelopmentCosts": { "auth_ref": [], "calculation": { "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureIncomeTaxesScheduleOfTemporaryDifferencesThatGiveRiseToSignificantNetDeferredTaxAssetsDetail": { "order": 2.0, "parentTag": "us-gaap_DeferredTaxAssetsGross", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The tax effect as of the balance sheet date of the amount of the estimated future tax deductions attributable to capitalized research and development costs, which can only be deducted for tax purposes at a later date and which can only be realized, if sufficient tax-basis income is generated in future periods to enable the deduction to be taken.", "label": "Deferred Tax Assets Deferred Expense Capitalized Research And Development Costs", "terseLabel": "Capitalized research and development expenses" } } }, "localname": "DeferredTaxAssetsDeferredExpenseCapitalizedResearchAndDevelopmentCosts", "nsuri": "http://www.merrimackpharma.com/20221231", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureIncomeTaxesScheduleOfTemporaryDifferencesThatGiveRiseToSignificantNetDeferredTaxAssetsDetail" ], "xbrltype": "monetaryItemType" }, "mack_DeferredTaxAssetsInstallmentSaleTaxBasis": { "auth_ref": [], "calculation": { "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureIncomeTaxesScheduleOfTemporaryDifferencesThatGiveRiseToSignificantNetDeferredTaxAssetsDetail": { "order": 7.0, "parentTag": "us-gaap_DeferredTaxAssetsGross", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Deferred tax assets installment sale tax basis.", "label": "Deferred Tax Assets Installment Sale Tax Basis", "terseLabel": "Installment sale tax basis" } } }, "localname": "DeferredTaxAssetsInstallmentSaleTaxBasis", "nsuri": "http://www.merrimackpharma.com/20221231", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureIncomeTaxesScheduleOfTemporaryDifferencesThatGiveRiseToSignificantNetDeferredTaxAssetsDetail" ], "xbrltype": "monetaryItemType" }, "mack_DeferredTaxAssetsTaxElectionOutOfInstallmentMethod": { "auth_ref": [], "calculation": { "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureIncomeTaxesScheduleOfTemporaryDifferencesThatGiveRiseToSignificantNetDeferredTaxAssetsDetail": { "order": 4.0, "parentTag": "us-gaap_DeferredTaxAssetsGross", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Deferred tax assets tax election out of installment method", "label": "Deferred Tax Assets Tax Election Out Of Installment Method", "terseLabel": "Election out of installment method" } } }, "localname": "DeferredTaxAssetsTaxElectionOutOfInstallmentMethod", "nsuri": "http://www.merrimackpharma.com/20221231", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureIncomeTaxesScheduleOfTemporaryDifferencesThatGiveRiseToSignificantNetDeferredTaxAssetsDetail" ], "xbrltype": "monetaryItemType" }, "mack_EffectiveIncomeTaxRateReconciliationRecaptureOfTaxCredits": { "auth_ref": [], "calculation": { "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureIncomeTaxesScheduleOfReconciliationOfCompanySEffectiveTaxRateToStatutoryFederalIncomeTaxRateDetail": { "order": 5.0, "parentTag": "us-gaap_EffectiveIncomeTaxRateContinuingOperations", "weight": 1.0 } }, "lang": { "en-us": { "role": { "documentation": "Effective income tax rate reconciliation recapture of tax credits", "label": "Effective Income Tax Rate Reconciliation Recapture Of Tax Credits", "terseLabel": "Recapture of tax credits" } } }, "localname": "EffectiveIncomeTaxRateReconciliationRecaptureOfTaxCredits", "nsuri": "http://www.merrimackpharma.com/20221231", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureIncomeTaxesScheduleOfReconciliationOfCompanySEffectiveTaxRateToStatutoryFederalIncomeTaxRateDetail" ], "xbrltype": "percentItemType" }, "mack_ExercisePeriodOfOption": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Exercise period of option.", "label": "Exercise Period Of Option", "terseLabel": "Exercise period of option" } } }, "localname": "ExercisePeriodOfOption", "nsuri": "http://www.merrimackpharma.com/20221231", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureNatureOfBusinessAndSummaryOfSignificantAccountingPoliciesAdditionalInformationDetail" ], "xbrltype": "durationItemType" }, "mack_FederalOrphanDrugCredits": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Federal orphan drug credits.", "label": "Federal Orphan Drug Credits", "terseLabel": "Federal orphan drug credits" } } }, "localname": "FederalOrphanDrugCredits", "nsuri": "http://www.merrimackpharma.com/20221231", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureIncomeTaxesAdditionalInformationDetail" ], "xbrltype": "monetaryItemType" }, "mack_FederalOrphanDrugCreditsExpirationStartYear": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Federal orphan drug credits expiration start year.", "label": "Federal Orphan Drug Credits Expiration Start Year", "terseLabel": "Federal orphan drug credits begin to expire" } } }, "localname": "FederalOrphanDrugCreditsExpirationStartYear", "nsuri": "http://www.merrimackpharma.com/20221231", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureIncomeTaxesAdditionalInformationDetail" ], "xbrltype": "gYearItemType" }, "mack_FirstLineTreatmentOfMetastaticAdenocarcinomaOfPancreasMember": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "First Line Treatment Of Metastatic Adenocarcinoma Of Pancreas [Member]", "terseLabel": "First Line Treatment of Metastatic Adenocarcinoma of Pancreas [Member]" } } }, "localname": "FirstLineTreatmentOfMetastaticAdenocarcinomaOfPancreasMember", "nsuri": "http://www.merrimackpharma.com/20221231", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureNatureOfBusinessAndSummaryOfSignificantAccountingPoliciesAdditionalInformationDetail" ], "xbrltype": "domainItemType" }, "mack_FourteenerOncologyIncMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Fourteener oncology inc member.", "label": "Fourteener Oncology Inc [Member]", "terseLabel": "14ner Sale [Member]" } } }, "localname": "FourteenerOncologyIncMember", "nsuri": "http://www.merrimackpharma.com/20221231", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureNatureOfBusinessAndSummaryOfSignificantAccountingPoliciesAdditionalInformationDetail" ], "xbrltype": "domainItemType" }, "mack_GainLossOnPaymentOfConsideration": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Gain loss on payment of consideration.", "label": "Gain Loss On Payment Of Consideration", "terseLabel": "Gain related to payment of consideration" } } }, "localname": "GainLossOnPaymentOfConsideration", "nsuri": "http://www.merrimackpharma.com/20221231", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureNatureOfBusinessAndSummaryOfSignificantAccountingPoliciesAdditionalInformationDetail" ], "xbrltype": "monetaryItemType" }, "mack_GainLossOnPaymentOfOptionFee": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Amount of gain (loss) on payment of option fee.", "label": "Gain Loss On Payment Of Option Fee", "terseLabel": "Gain related to option fee payment" } } }, "localname": "GainLossOnPaymentOfOptionFee", "nsuri": "http://www.merrimackpharma.com/20221231", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureNatureOfBusinessAndSummaryOfSignificantAccountingPoliciesAdditionalInformationDetail" ], "xbrltype": "monetaryItemType" }, "mack_GainOnSaleOfInProcessResearchAndDevelopmentAsset": { "auth_ref": [], "calculation": { "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_StatementConsolidatedStatementsOfCashFlows": { "order": 1.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Gain on sale of in progress research and development asset.", "label": "Gain On Sale Of In Process Research And Development Asset", "negatedLabel": "Gain on sales of in process research and development" } } }, "localname": "GainOnSaleOfInProcessResearchAndDevelopmentAsset", "nsuri": "http://www.merrimackpharma.com/20221231", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_StatementConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "mack_IpsenSAMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Ipsen S.A.", "label": "Ipsen S A [Member]", "terseLabel": "Ipsen [Member]" } } }, "localname": "IpsenSAMember", "nsuri": "http://www.merrimackpharma.com/20221231", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureNatureOfBusinessAndSummaryOfSignificantAccountingPoliciesAdditionalInformationDetail" ], "xbrltype": "domainItemType" }, "mack_MaximumMaturityPeriodForInvestmentsToBeClassifiedAsCashAndCashEquivalentsDescription": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Maximum maturity period for investments to be classified as cash and cash equivalents description.", "label": "Maximum Maturity Period For Investments To Be Classified As Cash And Cash Equivalents Description", "terseLabel": "Original maturities" } } }, "localname": "MaximumMaturityPeriodForInvestmentsToBeClassifiedAsCashAndCashEquivalentsDescription", "nsuri": "http://www.merrimackpharma.com/20221231", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureNatureOfBusinessAndSummaryOfSignificantAccountingPoliciesAdditionalInformationDetail" ], "xbrltype": "stringItemType" }, "mack_MilestoneAchievementOneMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Milestone achievement one member.", "label": "Milestone Achievement One [Member]", "terseLabel": "Achievement of the Primary Endpoint in the First Registrational Clinical Study of Either MM-121 or MM-111 [Member]" } } }, "localname": "MilestoneAchievementOneMember", "nsuri": "http://www.merrimackpharma.com/20221231", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureNatureOfBusinessAndSummaryOfSignificantAccountingPoliciesAdditionalInformationDetail" ], "xbrltype": "domainItemType" }, "mack_MilestoneAchievementThreeMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Milestone achievement three member.", "label": "Milestone Achievement Three [Member]", "terseLabel": "Achievement Various Cumulative Worldwide Net Sales Targets Between $100.0 million and $300.0 million for MM-121 and MM-111 [Member]" } } }, "localname": "MilestoneAchievementThreeMember", "nsuri": "http://www.merrimackpharma.com/20221231", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureNatureOfBusinessAndSummaryOfSignificantAccountingPoliciesAdditionalInformationDetail" ], "xbrltype": "domainItemType" }, "mack_MilestoneAchievementTwoMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Milestone achievement two member.", "label": "Milestone Achievement Two [Member]", "terseLabel": "Achievement of Various Regulatory Approval and Reimbursement-Based Milestones in the United States, Europe and Japan [Member]" } } }, "localname": "MilestoneAchievementTwoMember", "nsuri": "http://www.merrimackpharma.com/20221231", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureNatureOfBusinessAndSummaryOfSignificantAccountingPoliciesAdditionalInformationDetail" ], "xbrltype": "domainItemType" }, "mack_NonEmployeeDirectorsMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Non-employee directors.", "label": "Non Employee Directors [Member]", "terseLabel": "Non-Employee Directors [Member]" } } }, "localname": "NonEmployeeDirectorsMember", "nsuri": "http://www.merrimackpharma.com/20221231", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureStockBasedCompensationAdditionalInformationDetail" ], "xbrltype": "domainItemType" }, "mack_NovemberTwoThousandEighteenCorporateRestructuringMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "November two thousand eighteen corporate restructuring.", "label": "November Two Thousand Eighteen Corporate Restructuring [Member]", "terseLabel": "November 2018 Corporate Restructuring [Member]" } } }, "localname": "NovemberTwoThousandEighteenCorporateRestructuringMember", "nsuri": "http://www.merrimackpharma.com/20221231", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureRestructuringActivitiesAdditionalInformationDetail" ], "xbrltype": "domainItemType" }, "mack_NumberOfGeographicSegments": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Number of geographic segments. A geographic segment is a component of an enterprise: (a) that engages in business activities from which it may earn revenues and incur expenses (including revenues and expenses relating to transactions with other units located at different geographic location of the same enterprise), (b) whose results are regularly reviewed by the enterprise's chief operating decision maker to make decisions about resources to be allocated to the segment and assess its performance, and (c) for which discrete financial information is available.", "label": "Number Of Geographic Segments", "terseLabel": "Number of geographic regions" } } }, "localname": "NumberOfGeographicSegments", "nsuri": "http://www.merrimackpharma.com/20221231", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureNatureOfBusinessAndSummaryOfSignificantAccountingPoliciesAdditionalInformationDetail" ], "xbrltype": "positiveIntegerItemType" }, "mack_OperatingLossCarryforwardsExpirationStartYear": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Operating loss carryforwards expiration start year.", "label": "Operating Loss Carryforwards Expiration Start Year", "terseLabel": "Net operating loss carryforwards expire year begin" } } }, "localname": "OperatingLossCarryforwardsExpirationStartYear", "nsuri": "http://www.merrimackpharma.com/20221231", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureIncomeTaxesAdditionalInformationDetail" ], "xbrltype": "gYearItemType" }, "mack_OptionFee": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Option fee.", "label": "Option Fee", "terseLabel": "Option fee" } } }, "localname": "OptionFee", "nsuri": "http://www.merrimackpharma.com/20221231", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureNatureOfBusinessAndSummaryOfSignificantAccountingPoliciesAdditionalInformationDetail", "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureSubsequentEventsAdditionalInformationDetail" ], "xbrltype": "monetaryItemType" }, "mack_PegascySASMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Pegascy SAS.", "label": "Pegascy S A S [Member]", "terseLabel": "Pegascy SAS [Member]" } } }, "localname": "PegascySASMember", "nsuri": "http://www.merrimackpharma.com/20221231", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureNatureOfBusinessAndSummaryOfSignificantAccountingPoliciesAdditionalInformationDetail", "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureSubsequentEventsAdditionalInformationDetail" ], "xbrltype": "domainItemType" }, "mack_PercentageOfMinimumVarianceForUpwardPurchasePriceAdjustment": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "This element represents that, the percentage of minimum variance for upward purchase price adjustment.", "label": "Percentage Of Minimum Variance For Upward Purchase Price Adjustment", "terseLabel": "Percentage of minimum variance for upward purchase price adjustment" } } }, "localname": "PercentageOfMinimumVarianceForUpwardPurchasePriceAdjustment", "nsuri": "http://www.merrimackpharma.com/20221231", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureCommonStockAdditionalInformationDetail" ], "xbrltype": "percentItemType" }, "mack_PercentageTransferThresholdAssetsCashflowEarningPower": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "In the event that, at any time following the first date of a public announcement that a Person has become an Acquiring Person or that discloses information which reveals the existence of an Acquiring Person or such earlier date as a majority of the Board becomes aware of the existence of an Acquiring Person (any such date, the Stock Acquisition Date), (i) the Company engages in a merger or other business combination transaction in which the Company is not the surviving corporation, (ii) the Company engages in a merger or other business combination transaction in which the Company is the surviving corporation and the common stock of the Company is changed or exchanged or (iii) 50% or more of the Company\u2019s assets, cash flow or earning power is sold or transferred, each holder of a Right (except Rights which have previously been voided as set forth above) shall thereafter have the right to receive, upon exercise, common stock of the acquiring company having a value equal to two times the purchase price.", "label": "Percentage Transfer Threshold Assets Cashflow Earning Power", "terseLabel": "Percentage transfer consolidated assets or earning power" } } }, "localname": "PercentageTransferThresholdAssetsCashflowEarningPower", "nsuri": "http://www.merrimackpharma.com/20221231", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureCommonStockAdditionalInformationDetail" ], "xbrltype": "percentItemType" }, "mack_ProceedsFromSaleOfInProcessResearchAndDevelopmentAsset": { "auth_ref": [], "calculation": { "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_StatementConsolidatedStatementsOfCashFlows": { "order": 0.0, "parentTag": "us-gaap_NetCashProvidedByUsedInInvestingActivities", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Proceeds from sale of in progress research and development asset.", "label": "Proceeds From Sale Of In Process Research And Development Asset", "terseLabel": "Proceeds from sale of in-process research and development assets" } } }, "localname": "ProceedsFromSaleOfInProcessResearchAndDevelopmentAsset", "nsuri": "http://www.merrimackpharma.com/20221231", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_StatementConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "mack_PurchasePriceDescription": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Purchase price, description.", "label": "Purchase Price Description", "terseLabel": "Purchase price description" } } }, "localname": "PurchasePriceDescription", "nsuri": "http://www.merrimackpharma.com/20221231", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureCommonStockAdditionalInformationDetail" ], "xbrltype": "stringItemType" }, "mack_ReimbursementRevenues": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Repayment received or receivable for expenses incurred on behalf of a client or customer, other than those reimbursements received by landlords from tenants.", "label": "Reimbursement Revenues", "terseLabel": "Reimbursement of expenses" } } }, "localname": "ReimbursementRevenues", "nsuri": "http://www.merrimackpharma.com/20221231", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureNatureOfBusinessAndSummaryOfSignificantAccountingPoliciesAdditionalInformationDetail" ], "xbrltype": "monetaryItemType" }, "mack_RightsAgreementExpirationDate": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Rights agreement expiration date.", "label": "Rights Agreement Expiration Date", "terseLabel": "Rights agreement expiration date" } } }, "localname": "RightsAgreementExpirationDate", "nsuri": "http://www.merrimackpharma.com/20221231", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureCommonStockAdditionalInformationDetail" ], "xbrltype": "dateItemType" }, "mack_RightsAgreementMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Rights Agreement [Member]", "label": "Rights Agreement [Member]", "terseLabel": "Stockholder Rights Agreement [Member]" } } }, "localname": "RightsAgreementMember", "nsuri": "http://www.merrimackpharma.com/20221231", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureCommonStockAdditionalInformationDetail" ], "xbrltype": "domainItemType" }, "mack_SeriesZPreferredStockAndTheNumberOfSharesConstitutingSuchSeriesShares": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Series Z Preferred Stock\" and the number of shares constituting such series shares.", "label": "Series Z Preferred Stock And The Number Of Shares Constituting Such Series Shares", "terseLabel": "Number of shares constituting such series shares" } } }, "localname": "SeriesZPreferredStockAndTheNumberOfSharesConstitutingSuchSeriesShares", "nsuri": "http://www.merrimackpharma.com/20221231", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureCommonStockAdditionalInformationDetail" ], "xbrltype": "sharesItemType" }, "mack_SeriesZPreferredStockMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Series z preferred stock.", "label": "Series Z Preferred Stock [Member]", "terseLabel": "Series Z Junior Preferred Stock [Member]" } } }, "localname": "SeriesZPreferredStockMember", "nsuri": "http://www.merrimackpharma.com/20221231", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureCommonStockAdditionalInformationDetail" ], "xbrltype": "domainItemType" }, "mack_StockIncentivePlan2011Member": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Detail of the plan under which options are granted.", "label": "Stock Incentive Plan2011 [Member]", "terseLabel": "Stock Incentive Plan 2011 [Member]" } } }, "localname": "StockIncentivePlan2011Member", "nsuri": "http://www.merrimackpharma.com/20221231", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureStockBasedCompensationAdditionalInformationDetail" ], "xbrltype": "domainItemType" }, "mack_StockIncentivePlan2021Member": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Stock Incentive Plan 2021 [Member].", "label": "Stock Incentive Plan2021 [Member]", "terseLabel": "Stock Incentive Plan 2021 [Member]" } } }, "localname": "StockIncentivePlan2021Member", "nsuri": "http://www.merrimackpharma.com/20221231", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureStockBasedCompensationAdditionalInformationDetail" ], "xbrltype": "domainItemType" }, "mack_SummaryOfSignificantAccountingPoliciesLineItems": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Summary of significant accounting policies.", "label": "Summary Of Significant Accounting Policies [Line Items]", "terseLabel": "Summary Of Significant Accounting Policies [Line Items]" } } }, "localname": "SummaryOfSignificantAccountingPoliciesLineItems", "nsuri": "http://www.merrimackpharma.com/20221231", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureNatureOfBusinessAndSummaryOfSignificantAccountingPoliciesAdditionalInformationDetail" ], "xbrltype": "stringItemType" }, "mack_SummaryOfSignificantAccountingPoliciesTable": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Summary of significant accounting policies.", "label": "Summary Of Significant Accounting Policies [Table]", "terseLabel": "Summary Of Significant Accounting Policies [Table]" } } }, "localname": "SummaryOfSignificantAccountingPoliciesTable", "nsuri": "http://www.merrimackpharma.com/20221231", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureNatureOfBusinessAndSummaryOfSignificantAccountingPoliciesAdditionalInformationDetail" ], "xbrltype": "stringItemType" }, "mack_TaxCreditCarryforwardExpirationEndYear": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Tax credit carryforward, expiration end year.", "label": "Tax Credit Carryforward Expiration End Year", "terseLabel": "Tax credit carryforwards expire year through" } } }, "localname": "TaxCreditCarryforwardExpirationEndYear", "nsuri": "http://www.merrimackpharma.com/20221231", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureIncomeTaxesAdditionalInformationDetail" ], "xbrltype": "gYearItemType" }, "mack_TaxCreditCarryforwardExpirationStartYear": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Tax credit carryforward, expiration start year.", "label": "Tax Credit Carryforward Expiration Start Year", "terseLabel": "Tax credit carryforwards expire year begin" } } }, "localname": "TaxCreditCarryforwardExpirationStartYear", "nsuri": "http://www.merrimackpharma.com/20221231", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureIncomeTaxesAdditionalInformationDetail" ], "xbrltype": "gYearItemType" }, "mack_TransactionExpenses": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Transaction expenses.", "label": "Transaction Expenses", "terseLabel": "Transaction expenses" } } }, "localname": "TransactionExpenses", "nsuri": "http://www.merrimackpharma.com/20221231", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureNatureOfBusinessAndSummaryOfSignificantAccountingPoliciesAdditionalInformationDetail" ], "xbrltype": "monetaryItemType" }, "mack_UpfrontCashPaymentReceived": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Upfront cash payment received.", "label": "Upfront Cash Payment Received", "terseLabel": "Upfront cash payment received" } } }, "localname": "UpfrontCashPaymentReceived", "nsuri": "http://www.merrimackpharma.com/20221231", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureNatureOfBusinessAndSummaryOfSignificantAccountingPoliciesAdditionalInformationDetail" ], "xbrltype": "monetaryItemType" }, "mack_ValuationAllowanceDeferredTaxAssetAdditions": { "auth_ref": [], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The amount of the additions in the period in the valuation allowance for a specified deferred tax asset.", "label": "Valuation Allowance Deferred Tax Asset Additions", "terseLabel": "Additions" } } }, "localname": "ValuationAllowanceDeferredTaxAssetAdditions", "nsuri": "http://www.merrimackpharma.com/20221231", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureIncomeTaxesScheduleOfChangesInValuationAllowanceDetail" ], "xbrltype": "monetaryItemType" }, "mack_ValuationAllowanceDeferredTaxAssetDeductions": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The amount of the deductions in the period in the valuation allowance for deferred tax assets.", "label": "Valuation Allowance Deferred Tax Asset Deductions", "negatedLabel": "Deductions" } } }, "localname": "ValuationAllowanceDeferredTaxAssetDeductions", "nsuri": "http://www.merrimackpharma.com/20221231", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureIncomeTaxesScheduleOfChangesInValuationAllowanceDetail" ], "xbrltype": "monetaryItemType" }, "srt_CounterpartyNameAxis": { "auth_ref": [ "r121", "r122", "r206", "r210", "r354", "r356" ], "lang": { "en-us": { "role": { "label": "Counterparty Name [Axis]", "terseLabel": "Counterparty Name" } } }, "localname": "CounterpartyNameAxis", "nsuri": "http://fasb.org/srt/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureCommonStockAdditionalInformationDetail", "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureNatureOfBusinessAndSummaryOfSignificantAccountingPoliciesAdditionalInformationDetail" ], "xbrltype": "stringItemType" }, "srt_MaximumMember": { "auth_ref": [ "r193", "r194", "r195", "r196", "r235", "r336", "r344", "r350", "r351", "r362", "r366", "r372", "r410", "r449", "r450", "r451", "r452", "r453", "r454" ], "lang": { "en-us": { "role": { "label": "Maximum [Member]", "terseLabel": "Maximum [Member]" } } }, "localname": "MaximumMember", "nsuri": "http://fasb.org/srt/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureCommonStockAdditionalInformationDetail", "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureIncomeTaxesAdditionalInformationDetail", "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureNatureOfBusinessAndSummaryOfSignificantAccountingPoliciesAdditionalInformationDetail", "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureStockBasedCompensationAdditionalInformationDetail" ], "xbrltype": "domainItemType" }, "srt_MinimumMember": { "auth_ref": [ "r193", "r194", "r195", "r196", "r235", "r336", "r344", "r350", "r351", "r362", "r366", "r372", "r410", "r449", "r450", "r451", "r452", "r453", "r454" ], "lang": { "en-us": { "role": { "label": "Minimum [Member]", "terseLabel": "Minimum [Member]" } } }, "localname": "MinimumMember", "nsuri": "http://fasb.org/srt/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureCommonStockAdditionalInformationDetail", "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureIncomeTaxesAdditionalInformationDetail", "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureNatureOfBusinessAndSummaryOfSignificantAccountingPoliciesAdditionalInformationDetail", "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureStockBasedCompensationAdditionalInformationDetail" ], "xbrltype": "domainItemType" }, "srt_RangeAxis": { "auth_ref": [ "r193", "r194", "r195", "r196", "r228", "r235", "r266", "r267", "r268", "r335", "r336", "r344", "r350", "r351", "r362", "r366", "r372", "r402", "r410", "r450", "r451", "r452", "r453", "r454" ], "lang": { "en-us": { "role": { "label": "Statistical Measurement [Axis]", "terseLabel": "Statistical Measurement" } } }, "localname": "RangeAxis", "nsuri": "http://fasb.org/srt/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureCommonStockAdditionalInformationDetail", "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureIncomeTaxesAdditionalInformationDetail", "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureNatureOfBusinessAndSummaryOfSignificantAccountingPoliciesAdditionalInformationDetail", "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureStockBasedCompensationAdditionalInformationDetail" ], "xbrltype": "stringItemType" }, "srt_RangeMember": { "auth_ref": [ "r193", "r194", "r195", "r196", "r228", "r235", "r266", "r267", "r268", "r335", "r336", "r344", "r350", "r351", "r362", "r366", "r372", "r402", "r410", "r450", "r451", "r452", "r453", "r454" ], "lang": { "en-us": { "role": { "label": "Statistical Measurement [Domain]", "terseLabel": "Statistical Measurement" } } }, "localname": "RangeMember", "nsuri": "http://fasb.org/srt/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureCommonStockAdditionalInformationDetail", "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureIncomeTaxesAdditionalInformationDetail", "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureNatureOfBusinessAndSummaryOfSignificantAccountingPoliciesAdditionalInformationDetail", "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureStockBasedCompensationAdditionalInformationDetail" ], "xbrltype": "domainItemType" }, "srt_RepurchaseAgreementCounterpartyNameDomain": { "auth_ref": [ "r121", "r122", "r206", "r210", "r355", "r356" ], "lang": { "en-us": { "role": { "label": "Counterparty Name [Domain]", "terseLabel": "Counterparty Name" } } }, "localname": "RepurchaseAgreementCounterpartyNameDomain", "nsuri": "http://fasb.org/srt/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureCommonStockAdditionalInformationDetail", "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureNatureOfBusinessAndSummaryOfSignificantAccountingPoliciesAdditionalInformationDetail" ], "xbrltype": "domainItemType" }, "srt_ScenarioUnspecifiedDomain": { "auth_ref": [ "r136", "r236", "r384", "r396" ], "lang": { "en-us": { "role": { "label": "Scenario [Domain]", "terseLabel": "Scenario" } } }, "localname": "ScenarioUnspecifiedDomain", "nsuri": "http://fasb.org/srt/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureNatureOfBusinessAndSummaryOfSignificantAccountingPoliciesAdditionalInformationDetail" ], "xbrltype": "domainItemType" }, "srt_StatementScenarioAxis": { "auth_ref": [ "r136", "r236", "r384", "r385", "r396" ], "lang": { "en-us": { "role": { "label": "Scenario [Axis]", "terseLabel": "Scenario" } } }, "localname": "StatementScenarioAxis", "nsuri": "http://fasb.org/srt/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureNatureOfBusinessAndSummaryOfSignificantAccountingPoliciesAdditionalInformationDetail" ], "xbrltype": "stringItemType" }, "srt_TitleOfIndividualAxis": { "auth_ref": [ "r400", "r446" ], "lang": { "en-us": { "role": { "label": "Title of Individual [Axis]", "terseLabel": "Title of Individual" } } }, "localname": "TitleOfIndividualAxis", "nsuri": "http://fasb.org/srt/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureStockBasedCompensationAdditionalInformationDetail" ], "xbrltype": "stringItemType" }, "srt_TitleOfIndividualWithRelationshipToEntityDomain": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Title of Individual [Domain]", "terseLabel": "Title of Individual" } } }, "localname": "TitleOfIndividualWithRelationshipToEntityDomain", "nsuri": "http://fasb.org/srt/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureStockBasedCompensationAdditionalInformationDetail" ], "xbrltype": "domainItemType" }, "us-gaap_AccountingPoliciesAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Accounting Policies [Abstract]" } } }, "localname": "AccountingPoliciesAbstract", "nsuri": "http://fasb.org/us-gaap/2022", "xbrltype": "stringItemType" }, "us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent": { "auth_ref": [ "r9" ], "calculation": { "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureAccountsPayableAccruedExpensesAndOtherScheduleOfAccountsPayableAccruedExpensesAndOtherDetail": { "order": null, "parentTag": null, "root": true, "weight": null }, "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_StatementConsolidatedBalanceSheets": { "order": 0.0, "parentTag": "us-gaap_LiabilitiesCurrent", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Sum of the carrying values as of the balance sheet date of obligations incurred through that date and due within one year (or the operating cycle, if longer), including liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received, taxes, interest, rent and utilities, accrued salaries and bonuses, payroll taxes and fringe benefits.", "label": "Accounts Payable and Accrued Liabilities, Current", "terseLabel": "Accounts payable, accrued expenses and other", "totalLabel": "Total accounts payable, accrued expenses and other" } } }, "localname": "AccountsPayableAndAccruedLiabilitiesCurrent", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureAccountsPayableAccruedExpensesAndOtherScheduleOfAccountsPayableAccruedExpensesAndOtherDetail", "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_StatementConsolidatedBalanceSheets" ], "xbrltype": "monetaryItemType" }, "us-gaap_AccountsPayableAndAccruedLiabilitiesDisclosureTextBlock": { "auth_ref": [ "r8" ], "lang": { "en-us": { "role": { "documentation": "The entire disclosure for accounts payable and accrued liabilities at the end of the reporting period.", "label": "Accounts Payable and Accrued Liabilities Disclosure [Text Block]", "terseLabel": "Accounts Payable, Accrued Expenses and Other" } } }, "localname": "AccountsPayableAndAccruedLiabilitiesDisclosureTextBlock", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureAccountsPayableAccruedExpensesAndOther" ], "xbrltype": "textBlockItemType" }, "us-gaap_AccountsPayableCurrent": { "auth_ref": [ "r7", "r371" ], "calculation": { "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureAccountsPayableAccruedExpensesAndOtherScheduleOfAccountsPayableAccruedExpensesAndOtherDetail": { "order": 0.0, "parentTag": "us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent", "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", "totalLabel": "Accounts Payable, Current, Total" } } }, "localname": "AccountsPayableCurrent", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureAccountsPayableAccruedExpensesAndOtherScheduleOfAccountsPayableAccruedExpensesAndOtherDetail" ], "xbrltype": "monetaryItemType" }, "us-gaap_AccruedLiabilitiesCurrent": { "auth_ref": [ "r11" ], "calculation": { "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureAccountsPayableAccruedExpensesAndOtherScheduleOfAccountsPayableAccruedExpensesAndOtherDetail": { "order": 1.0, "parentTag": "us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent", "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 goods and services", "totalLabel": "Accrued Liabilities, Current, Total" } } }, "localname": "AccruedLiabilitiesCurrent", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureAccountsPayableAccruedExpensesAndOtherScheduleOfAccountsPayableAccruedExpensesAndOtherDetail" ], "xbrltype": "monetaryItemType" }, "us-gaap_AdditionalPaidInCapitalCommonStock": { "auth_ref": [ "r2" ], "calculation": { "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_StatementConsolidatedBalanceSheets": { "order": 2.0, "parentTag": "us-gaap_StockholdersEquity", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Value received from shareholders in common stock-related transactions that are in excess of par value or stated value and amounts received from other stock-related transactions. Includes only common stock transactions (excludes preferred stock transactions). May be called contributed capital, capital in excess of par, capital surplus, or paid-in capital.", "label": "Additional Paid in Capital, Common Stock", "terseLabel": "Additional paid-in capital" } } }, "localname": "AdditionalPaidInCapitalCommonStock", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_StatementConsolidatedBalanceSheets" ], "xbrltype": "monetaryItemType" }, "us-gaap_AdditionalPaidInCapitalMember": { "auth_ref": [ "r275", "r276", "r277", "r393", "r394", "r395", "r444" ], "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/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_StatementConsolidatedStatementsOfStockholdersEquity" ], "xbrltype": "domainItemType" }, "us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue": { "auth_ref": [ "r62", "r63", "r238" ], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Amount of increase to additional paid-in capital (APIC) for recognition of cost for award under share-based payment arrangement.", "label": "APIC, Share-Based Payment Arrangement, Increase for Cost Recognition", "terseLabel": "Stock-based compensation", "totalLabel": "APIC, Share-Based Payment Arrangement, Increase for Cost Recognition, Total" } } }, "localname": "AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_StatementConsolidatedStatementsOfStockholdersEquity" ], "xbrltype": "monetaryItemType" }, "us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract]", "terseLabel": "Adjustments to reconcile net loss to net cash used in operating activities" } } }, "localname": "AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_StatementConsolidatedStatementsOfCashFlows" ], "xbrltype": "stringItemType" }, "us-gaap_AllocatedShareBasedCompensationExpense": { "auth_ref": [ "r270" ], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.", "label": "Share-Based Payment Arrangement, Expense", "terseLabel": "Allocated Share Based Compensation Expense" } } }, "localname": "AllocatedShareBasedCompensationExpense", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureStockBasedCompensationAdditionalInformationDetail" ], "xbrltype": "monetaryItemType" }, "us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount": { "auth_ref": [ "r144" ], "lang": { "en-us": { "role": { "documentation": "Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.", "label": "Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount", "terseLabel": "Outstanding options to purchase common stock" } } }, "localname": "AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureNetLossPerCommonShareScheduleOfSecuritiesExcludedFromComputationOfDilutedLossPerShareDetail" ], "xbrltype": "sharesItemType" }, "us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis": { "auth_ref": [ "r31" ], "lang": { "en-us": { "role": { "documentation": "Information by type of antidilutive security.", "label": "Antidilutive Securities [Axis]", "terseLabel": "Antidilutive Securities" } } }, "localname": "AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureNetLossPerCommonShareScheduleOfSecuritiesExcludedFromComputationOfDilutedLossPerShareDetail" ], "xbrltype": "stringItemType" }, "us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems": { "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": "Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]", "terseLabel": "Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]" } } }, "localname": "AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureNetLossPerCommonShareScheduleOfSecuritiesExcludedFromComputationOfDilutedLossPerShareDetail" ], "xbrltype": "stringItemType" }, "us-gaap_AntidilutiveSecuritiesNameDomain": { "auth_ref": [ "r31" ], "lang": { "en-us": { "role": { "documentation": "Incremental common shares attributable to securities that were not included in diluted earnings per share (EPS) because to do so would increase EPS amounts or decrease loss per share amounts for the period presented.", "label": "Antidilutive Securities, Name [Domain]", "terseLabel": "Antidilutive Securities, Name" } } }, "localname": "AntidilutiveSecuritiesNameDomain", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureNetLossPerCommonShareScheduleOfSecuritiesExcludedFromComputationOfDilutedLossPerShareDetail" ], "xbrltype": "domainItemType" }, "us-gaap_ArrangementsAndNonarrangementTransactionsMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Collaborative arrangement and arrangement other than collaborative applicable to revenue-generating activity or operations.", "label": "Collaborative Arrangement and Arrangement Other than Collaborative [Domain]", "terseLabel": "Collaborative Arrangement and Arrangement Other than Collaborative" } } }, "localname": "ArrangementsAndNonarrangementTransactionsMember", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureCommonStockAdditionalInformationDetail", "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureNatureOfBusinessAndSummaryOfSignificantAccountingPoliciesAdditionalInformationDetail", "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureSubsequentEventsAdditionalInformationDetail" ], "xbrltype": "domainItemType" }, "us-gaap_Assets": { "auth_ref": [ "r84", "r89", "r100", "r118", "r161", "r170", "r174", "r179", "r197", "r198", "r199", "r200", "r201", "r202", "r203", "r204", "r205", "r303", "r307", "r320", "r371", "r408", "r409", "r447" ], "calculation": { "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_StatementConsolidatedBalanceSheets": { "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/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_StatementConsolidatedBalanceSheets" ], "xbrltype": "monetaryItemType" }, "us-gaap_AssetsAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Assets [Abstract]", "terseLabel": "Assets" } } }, "localname": "AssetsAbstract", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_StatementConsolidatedBalanceSheets" ], "xbrltype": "stringItemType" }, "us-gaap_AssetsCurrent": { "auth_ref": [ "r96", "r104", "r118", "r179", "r197", "r198", "r199", "r200", "r201", "r202", "r203", "r204", "r205", "r303", "r307", "r320", "r371", "r408", "r409", "r447" ], "calculation": { "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_StatementConsolidatedBalanceSheets": { "order": 0.0, "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/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_StatementConsolidatedBalanceSheets" ], "xbrltype": "monetaryItemType" }, "us-gaap_AssetsCurrentAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Assets, Current [Abstract]", "terseLabel": "Current assets:" } } }, "localname": "AssetsCurrentAbstract", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_StatementConsolidatedBalanceSheets" ], "xbrltype": "stringItemType" }, "us-gaap_AwardTypeAxis": { "auth_ref": [ "r241", "r242", "r243", "r245", "r246", "r247", "r248", "r249", "r250", "r251", "r252", "r253", "r254", "r255", "r256", "r257", "r258", "r259", "r260", "r261", "r262", "r265", "r266", "r267", "r268", "r269" ], "lang": { "en-us": { "role": { "documentation": "Information by type of award under share-based payment arrangement.", "label": "Award Type [Axis]", "terseLabel": "Award Type" } } }, "localname": "AwardTypeAxis", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureStockBasedCompensationAdditionalInformationDetail" ], "xbrltype": "stringItemType" }, "us-gaap_CashAndCashEquivalentsAtCarryingValue": { "auth_ref": [ "r26", "r98", "r353" ], "calculation": { "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_StatementConsolidatedBalanceSheets": { "order": 0.0, "parentTag": "us-gaap_AssetsCurrent", "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", "terseLabel": "Cash and cash equivalents", "totalLabel": "Cash and Cash Equivalents, at Carrying Value, Total" } } }, "localname": "CashAndCashEquivalentsAtCarryingValue", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_StatementConsolidatedBalanceSheets" ], "xbrltype": "monetaryItemType" }, "us-gaap_CashAndCashEquivalentsFairValueDisclosure": { "auth_ref": [], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Fair value portion 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.", "label": "Cash and Cash Equivalents, Fair Value Disclosure", "terseLabel": "Cash equivalents" } } }, "localname": "CashAndCashEquivalentsFairValueDisclosure", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureFairValueOfFinancialInstrumentsSummaryOfAssetsMeasuredAtFairValueOnRecurringBasisDetail" ], "xbrltype": "monetaryItemType" }, "us-gaap_CashAndCashEquivalentsRestrictedCashAndCashEquivalentsPolicy": { "auth_ref": [ "r27", "r83" ], "lang": { "en-us": { "role": { "documentation": "Entity's cash and cash equivalents accounting policy with respect to restricted balances. Restrictions may include legally restricted deposits held as compensating balances against short-term borrowing arrangements, contracts entered into with others, or company statements of intention with regard to particular deposits; however, time deposits and short-term certificates of deposit are not generally included in legally restricted deposits.", "label": "Cash and Cash Equivalents, Restricted Cash and Cash Equivalents, Policy [Policy Text Block]", "terseLabel": "Cash and Cash Equivalents" } } }, "localname": "CashAndCashEquivalentsRestrictedCashAndCashEquivalentsPolicy", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureNatureOfBusinessAndSummaryOfSignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "us-gaap_CashCashEquivalentsAndShortTermInvestments": { "auth_ref": [ "r387" ], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Cash includes currency on hand as well as demand deposits with banks or financial institutions. It also includes other kinds of accounts that have the general characteristics of demand deposits in that the customer may deposit additional funds at any time and effectively may withdraw funds at any time without prior notice or penalty. Cash equivalents, excluding items classified as marketable securities, include short-term, highly liquid Investments that are both readily convertible to known amounts of cash, and so near their maturity that they present minimal risk of changes in value because of changes in interest rates. Generally, only investments with original maturities of three months or less qualify under that definition. Original maturity means original maturity to the entity holding the investment. For example, both a three-month US Treasury bill and a three-year Treasury note purchased three months from maturity qualify as cash equivalents. However, a Treasury note purchased three years ago does not become a cash equivalent when its remaining maturity is three months. Short-term investments, exclusive of cash equivalents, generally consist of marketable securities intended to be sold within one year (or the normal operating cycle if longer) and may include trading securities, available-for-sale securities, or held-to-maturity securities (if maturing within one year), as applicable.", "label": "Cash, Cash Equivalents, and Short-Term Investments", "terseLabel": "Cash, cash equivalents and marketable securities", "totalLabel": "Cash, Cash Equivalents, and Short-Term Investments, Total" } } }, "localname": "CashCashEquivalentsAndShortTermInvestments", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureNatureOfBusinessAndSummaryOfSignificantAccountingPoliciesAdditionalInformationDetail" ], "xbrltype": "monetaryItemType" }, "us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents": { "auth_ref": [ "r21", "r26", "r28" ], "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 and cash equivalents, end of period", "periodStartLabel": "Cash and cash equivalents, beginning of period", "totalLabel": "Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Total" } } }, "localname": "CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_StatementConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect": { "auth_ref": [ "r21", "r81" ], "calculation": { "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_StatementConsolidatedStatementsOfCashFlows": { "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 (decrease) in cash and cash equivalents" } } }, "localname": "CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_StatementConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_ClassOfStockDomain": { "auth_ref": [ "r101", "r102", "r103", "r118", "r139", "r140", "r141", "r143", "r150", "r151", "r179", "r197", "r199", "r200", "r201", "r204", "r205", "r208", "r209", "r212", "r216", "r223", "r320", "r352", "r383", "r391", "r397" ], "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]", "terseLabel": "Class of Stock" } } }, "localname": "ClassOfStockDomain", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureCommonStockAdditionalInformationDetail" ], "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]", "terseLabel": "Class Of Stock [Line Items]" } } }, "localname": "ClassOfStockLineItems", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureCommonStockAdditionalInformationDetail" ], "xbrltype": "stringItemType" }, "us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1": { "auth_ref": [ "r224" ], "lang": { "en-us": { "role": { "documentation": "Exercise price per share or per unit of warrants or rights outstanding.", "label": "Class of Warrant or Right, Exercise Price of Warrants or Rights", "terseLabel": "Preferred stock purchase price" } } }, "localname": "ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureCommonStockAdditionalInformationDetail" ], "xbrltype": "perShareItemType" }, "us-gaap_CommitmentsAndContingencies": { "auth_ref": [ "r13", "r86", "r92" ], "calculation": { "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_StatementConsolidatedBalanceSheets": { "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", "terseLabel": "Commitments and contingencies" } } }, "localname": "CommitmentsAndContingencies", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_StatementConsolidatedBalanceSheets" ], "xbrltype": "monetaryItemType" }, "us-gaap_CommonStockCapitalSharesReservedForFutureIssuance": { "auth_ref": [ "r14" ], "lang": { "en-us": { "role": { "documentation": "Aggregate number of common shares reserved for future issuance.", "label": "Common Stock, Capital Shares Reserved for Future Issuance", "terseLabel": "common stock for the issuance" } } }, "localname": "CommonStockCapitalSharesReservedForFutureIssuance", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureStockBasedCompensationAdditionalInformationDetail" ], "xbrltype": "sharesItemType" }, "us-gaap_CommonStockMember": { "auth_ref": [ "r393", "r394", "r444" ], "lang": { "en-us": { "role": { "documentation": "Stock that is subordinate to all other stock of the issuer.", "label": "Common Stock [Member]", "terseLabel": "Common Stock [Member]" } } }, "localname": "CommonStockMember", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_StatementConsolidatedStatementsOfStockholdersEquity" ], "xbrltype": "domainItemType" }, "us-gaap_CommonStockParOrStatedValuePerShare": { "auth_ref": [ "r1" ], "lang": { "en-us": { "role": { "documentation": "Face amount or stated value per share of common stock.", "label": "Common Stock, Par or Stated Value Per Share", "terseLabel": "Common stock, par value" } } }, "localname": "CommonStockParOrStatedValuePerShare", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureCommonStockAdditionalInformationDetail", "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_StatementConsolidatedBalanceSheetsParenthetical" ], "xbrltype": "perShareItemType" }, "us-gaap_CommonStockSharesAuthorized": { "auth_ref": [ "r1" ], "lang": { "en-us": { "role": { "documentation": "The maximum number of common shares permitted to be issued by an entity's charter and bylaws.", "label": "Common Stock, Shares Authorized", "terseLabel": "Common stock, shares authorized" } } }, "localname": "CommonStockSharesAuthorized", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureCommonStockAdditionalInformationDetail", "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_StatementConsolidatedBalanceSheetsParenthetical" ], "xbrltype": "sharesItemType" }, "us-gaap_CommonStockSharesIssued": { "auth_ref": [ "r1" ], "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 stock, shares issued" } } }, "localname": "CommonStockSharesIssued", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureCommonStockAdditionalInformationDetail", "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_StatementConsolidatedBalanceSheetsParenthetical" ], "xbrltype": "sharesItemType" }, "us-gaap_CommonStockSharesOutstanding": { "auth_ref": [ "r1", "r45" ], "lang": { "en-us": { "role": { "documentation": "Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.", "label": "Common Stock, Shares, Outstanding", "periodEndLabel": "Common Stock, Shares, Outstanding, Ending Balance", "periodStartLabel": "Common Stock, Shares, Outstanding, Beginning Balance", "terseLabel": "Common stock, shares outstanding" } } }, "localname": "CommonStockSharesOutstanding", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureCommonStockAdditionalInformationDetail", "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_StatementConsolidatedBalanceSheetsParenthetical" ], "xbrltype": "sharesItemType" }, "us-gaap_CommonStockValue": { "auth_ref": [ "r1", "r371" ], "calculation": { "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_StatementConsolidatedBalanceSheets": { "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 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 Stock, Value, Issued", "terseLabel": "Common stock, $0.01 par value: 30,000 shares authorized at December 31, 2022 and 2021; 14,215 and 13,410 shares issued and outstanding at December 31,2022 and 2021" } } }, "localname": "CommonStockValue", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_StatementConsolidatedBalanceSheets" ], "xbrltype": "monetaryItemType" }, "us-gaap_ComponentsOfDeferredTaxAssetsAndLiabilitiesAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Components of Deferred Tax Assets and Liabilities [Abstract]" } } }, "localname": "ComponentsOfDeferredTaxAssetsAndLiabilitiesAbstract", "nsuri": "http://fasb.org/us-gaap/2022", "xbrltype": "stringItemType" }, "us-gaap_ComprehensiveIncomeNetOfTax": { "auth_ref": [ "r16", "r106", "r108", "r113", "r338", "r341" ], "calculation": { "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_StatementConsolidatedStatementsOfOperationsAndComprehensiveLoss": { "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 Income (Loss), Net of Tax, Attributable to Parent", "negatedLabel": "Net loss from continuing operations", "totalLabel": "Net loss and comprehensive loss" } } }, "localname": "ComprehensiveIncomeNetOfTax", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureNatureOfBusinessAndSummaryOfSignificantAccountingPoliciesAdditionalInformationDetail", "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_StatementConsolidatedStatementsOfOperationsAndComprehensiveLoss" ], "xbrltype": "monetaryItemType" }, "us-gaap_ConcentrationRiskCreditRisk": { "auth_ref": [ "r88", "r154" ], "lang": { "en-us": { "role": { "documentation": "Disclosure of accounting policy for credit risk.", "label": "Concentration Risk, Credit Risk, Policy [Policy Text Block]", "terseLabel": "Concentration of Credit Risk" } } }, "localname": "ConcentrationRiskCreditRisk", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureNatureOfBusinessAndSummaryOfSignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "us-gaap_DeferredTaxAssetsGross": { "auth_ref": [ "r287" ], "calculation": { "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureIncomeTaxesScheduleOfTemporaryDifferencesThatGiveRiseToSignificantNetDeferredTaxAssetsDetail": { "order": 1.0, "parentTag": "us-gaap_DeferredTaxAssetsNet", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards.", "label": "Deferred Tax Assets, Gross", "totalLabel": "Total gross deferred tax assets" } } }, "localname": "DeferredTaxAssetsGross", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureIncomeTaxesScheduleOfTemporaryDifferencesThatGiveRiseToSignificantNetDeferredTaxAssetsDetail" ], "xbrltype": "monetaryItemType" }, "us-gaap_DeferredTaxAssetsGrossAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Deferred Tax Assets, Gross [Abstract]", "terseLabel": "Deferred tax assets" } } }, "localname": "DeferredTaxAssetsGrossAbstract", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureIncomeTaxesScheduleOfTemporaryDifferencesThatGiveRiseToSignificantNetDeferredTaxAssetsDetail" ], "xbrltype": "stringItemType" }, "us-gaap_DeferredTaxAssetsNet": { "auth_ref": [ "r440" ], "calculation": { "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureIncomeTaxesScheduleOfTemporaryDifferencesThatGiveRiseToSignificantNetDeferredTaxAssetsDetail": { "order": null, "parentTag": null, "root": true, "weight": null } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards.", "label": "Deferred Tax Assets, Net of Valuation Allowance", "totalLabel": "Net deferred tax assets" } } }, "localname": "DeferredTaxAssetsNet", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureIncomeTaxesScheduleOfTemporaryDifferencesThatGiveRiseToSignificantNetDeferredTaxAssetsDetail" ], "xbrltype": "monetaryItemType" }, "us-gaap_DeferredTaxAssetsOperatingLossCarryforwards": { "auth_ref": [ "r71", "r441" ], "calculation": { "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureIncomeTaxesScheduleOfTemporaryDifferencesThatGiveRiseToSignificantNetDeferredTaxAssetsDetail": { "order": 5.0, "parentTag": "us-gaap_DeferredTaxAssetsGross", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards.", "label": "Deferred Tax Assets, Operating Loss Carryforwards", "terseLabel": "Net operating losses", "totalLabel": "Deferred Tax Assets, Operating Loss Carryforwards, Total" } } }, "localname": "DeferredTaxAssetsOperatingLossCarryforwards", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureIncomeTaxesScheduleOfTemporaryDifferencesThatGiveRiseToSignificantNetDeferredTaxAssetsDetail" ], "xbrltype": "monetaryItemType" }, "us-gaap_DeferredTaxAssetsOther": { "auth_ref": [ "r71", "r441" ], "calculation": { "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureIncomeTaxesScheduleOfTemporaryDifferencesThatGiveRiseToSignificantNetDeferredTaxAssetsDetail": { "order": 3.0, "parentTag": "us-gaap_DeferredTaxAssetsGross", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount, before allocation of valuation allowance, of deferred tax asset attributable to deductible temporary differences, classified as other.", "label": "Deferred Tax Assets, Other", "terseLabel": "Other temporary differences" } } }, "localname": "DeferredTaxAssetsOther", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureIncomeTaxesScheduleOfTemporaryDifferencesThatGiveRiseToSignificantNetDeferredTaxAssetsDetail" ], "xbrltype": "monetaryItemType" }, "us-gaap_DeferredTaxAssetsTaxCreditCarryforwards": { "auth_ref": [ "r69", "r71", "r441" ], "calculation": { "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureIncomeTaxesScheduleOfTemporaryDifferencesThatGiveRiseToSignificantNetDeferredTaxAssetsDetail": { "order": 0.0, "parentTag": "us-gaap_DeferredTaxAssetsGross", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount, before allocation of a valuation allowances, of deferred tax assets attributable to deductible tax credit carryforwards including, but not limited to, research, foreign, general business, alternative minimum tax, and other deductible tax credit carryforwards.", "label": "Deferred Tax Assets, Tax Credit Carryforwards", "terseLabel": "Credit carryforwards", "totalLabel": "Deferred Tax Assets, Tax Credit Carryforwards, Total" } } }, "localname": "DeferredTaxAssetsTaxCreditCarryforwards", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureIncomeTaxesScheduleOfTemporaryDifferencesThatGiveRiseToSignificantNetDeferredTaxAssetsDetail" ], "xbrltype": "monetaryItemType" }, "us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost": { "auth_ref": [ "r71", "r441" ], "calculation": { "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureIncomeTaxesScheduleOfTemporaryDifferencesThatGiveRiseToSignificantNetDeferredTaxAssetsDetail": { "order": 1.0, "parentTag": "us-gaap_DeferredTaxAssetsGross", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from share-based compensation.", "label": "Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Share-Based Compensation Cost", "terseLabel": "Deferred compensation" } } }, "localname": "DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureIncomeTaxesScheduleOfTemporaryDifferencesThatGiveRiseToSignificantNetDeferredTaxAssetsDetail" ], "xbrltype": "monetaryItemType" }, "us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccruals": { "auth_ref": [ "r71", "r441" ], "calculation": { "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureIncomeTaxesScheduleOfTemporaryDifferencesThatGiveRiseToSignificantNetDeferredTaxAssetsDetail": { "order": 6.0, "parentTag": "us-gaap_DeferredTaxAssetsGross", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from reserves and accruals.", "label": "Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals", "terseLabel": "Accrued expenses", "totalLabel": "Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Total" } } }, "localname": "DeferredTaxAssetsTaxDeferredExpenseReservesAndAccruals", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureIncomeTaxesScheduleOfTemporaryDifferencesThatGiveRiseToSignificantNetDeferredTaxAssetsDetail" ], "xbrltype": "monetaryItemType" }, "us-gaap_DeferredTaxAssetsValuationAllowance": { "auth_ref": [ "r288" ], "calculation": { "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureIncomeTaxesScheduleOfTemporaryDifferencesThatGiveRiseToSignificantNetDeferredTaxAssetsDetail": { "order": 0.0, "parentTag": "us-gaap_DeferredTaxAssetsNet", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized.", "label": "Deferred Tax Assets, Valuation Allowance", "negatedLabel": "Valuation allowance", "periodEndLabel": "Balance at end of period", "periodStartLabel": "Balance at beginning of period" } } }, "localname": "DeferredTaxAssetsValuationAllowance", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureIncomeTaxesScheduleOfChangesInValuationAllowanceDetail", "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureIncomeTaxesScheduleOfTemporaryDifferencesThatGiveRiseToSignificantNetDeferredTaxAssetsDetail" ], "xbrltype": "monetaryItemType" }, "us-gaap_DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock": { "auth_ref": [ "r240", "r271", "r272", "r274", "r279", "r367" ], "lang": { "en-us": { "role": { "documentation": "The entire disclosure for share-based payment arrangement.", "label": "Share-Based Payment Arrangement [Text Block]", "terseLabel": "Stock-Based Compensation" } } }, "localname": "DisclosureOfCompensationRelatedCostsShareBasedPaymentsTextBlock", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureStockBasedCompensation" ], "xbrltype": "textBlockItemType" }, "us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Share-Based Payment Arrangement [Abstract]" } } }, "localname": "DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract", "nsuri": "http://fasb.org/us-gaap/2022", "xbrltype": "stringItemType" }, "us-gaap_EarningsPerShareAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Earnings Per Share [Abstract]" } } }, "localname": "EarningsPerShareAbstract", "nsuri": "http://fasb.org/us-gaap/2022", "xbrltype": "stringItemType" }, "us-gaap_EarningsPerShareBasic": { "auth_ref": [ "r114", "r128", "r129", "r130", "r131", "r132", "r137", "r139", "r141", "r142", "r143", "r147", "r311", "r312", "r339", "r342", "r357" ], "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": "Earnings Per Share, Basic", "terseLabel": "Net loss per common share - basic", "totalLabel": "Earnings Per Share, Basic, Total" } } }, "localname": "EarningsPerShareBasic", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_StatementConsolidatedStatementsOfOperationsAndComprehensiveLoss" ], "xbrltype": "perShareItemType" }, "us-gaap_EarningsPerShareDiluted": { "auth_ref": [ "r114", "r128", "r129", "r130", "r131", "r132", "r139", "r141", "r142", "r143", "r147", "r311", "r312", "r339", "r342", "r357" ], "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": "Earnings Per Share, Diluted", "terseLabel": "Net loss per common share - diluted", "totalLabel": "Earnings Per Share, Diluted, Total" } } }, "localname": "EarningsPerShareDiluted", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_StatementConsolidatedStatementsOfOperationsAndComprehensiveLoss" ], "xbrltype": "perShareItemType" }, "us-gaap_EarningsPerSharePolicyTextBlock": { "auth_ref": [ "r31", "r32" ], "lang": { "en-us": { "role": { "documentation": "Disclosure of accounting policy for computing basic and diluted earnings or loss per share for each class of common stock and participating security. Addresses all significant policy factors, including any antidilutive items that have been excluded from the computation and takes into account stock dividends, splits and reverse splits that occur after the balance sheet date of the latest reporting period but before the issuance of the financial statements.", "label": "Earnings Per Share, Policy [Policy Text Block]", "terseLabel": "Net Loss Per Common Share" } } }, "localname": "EarningsPerSharePolicyTextBlock", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureNatureOfBusinessAndSummaryOfSignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "us-gaap_EarningsPerShareTextBlock": { "auth_ref": [ "r144", "r145", "r146", "r148" ], "lang": { "en-us": { "role": { "documentation": "The entire disclosure for earnings per share.", "label": "Earnings Per Share [Text Block]", "terseLabel": "Net Loss Per Common Share" } } }, "localname": "EarningsPerShareTextBlock", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureNetLossPerCommonShare" ], "xbrltype": "textBlockItemType" }, "us-gaap_EffectiveIncomeTaxRateContinuingOperations": { "auth_ref": [ "r283" ], "calculation": { "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureIncomeTaxesScheduleOfReconciliationOfCompanySEffectiveTaxRateToStatutoryFederalIncomeTaxRateDetail": { "order": null, "parentTag": null, "root": true, "weight": null } }, "lang": { "en-us": { "role": { "documentation": "Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.", "label": "Effective Income Tax Rate Reconciliation, Percent", "totalLabel": "Total" } } }, "localname": "EffectiveIncomeTaxRateContinuingOperations", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureIncomeTaxesScheduleOfReconciliationOfCompanySEffectiveTaxRateToStatutoryFederalIncomeTaxRateDetail" ], "xbrltype": "percentItemType" }, "us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate": { "auth_ref": [ "r119", "r283", "r296" ], "calculation": { "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureIncomeTaxesScheduleOfReconciliationOfCompanySEffectiveTaxRateToStatutoryFederalIncomeTaxRateDetail": { "order": 0.0, "parentTag": "us-gaap_EffectiveIncomeTaxRateContinuingOperations", "weight": 1.0 } }, "lang": { "en-us": { "role": { "documentation": "Percentage of domestic federal statutory tax rate applicable to pretax income (loss).", "label": "Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent", "verboseLabel": "Federal income tax at statutory federal rate" } } }, "localname": "EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureIncomeTaxesScheduleOfReconciliationOfCompanySEffectiveTaxRateToStatutoryFederalIncomeTaxRateDetail" ], "xbrltype": "percentItemType" }, "us-gaap_EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance": { "auth_ref": [ "r439", "r442" ], "calculation": { "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureIncomeTaxesScheduleOfReconciliationOfCompanySEffectiveTaxRateToStatutoryFederalIncomeTaxRateDetail": { "order": 7.0, "parentTag": "us-gaap_EffectiveIncomeTaxRateContinuingOperations", "weight": 1.0 } }, "lang": { "en-us": { "role": { "documentation": "Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to changes in the valuation allowance for deferred tax assets.", "label": "Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Percent", "terseLabel": "Change in valuation allowance" } } }, "localname": "EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureIncomeTaxesScheduleOfReconciliationOfCompanySEffectiveTaxRateToStatutoryFederalIncomeTaxRateDetail" ], "xbrltype": "percentItemType" }, "us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpense": { "auth_ref": [ "r439", "r442" ], "calculation": { "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureIncomeTaxesScheduleOfReconciliationOfCompanySEffectiveTaxRateToStatutoryFederalIncomeTaxRateDetail": { "order": 2.0, "parentTag": "us-gaap_EffectiveIncomeTaxRateContinuingOperations", "weight": -1.0 } }, "lang": { "en-us": { "role": { "documentation": "Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to nondeductible expenses.", "label": "Effective Income Tax Rate Reconciliation, Nondeductible Expense, Percent", "negatedLabel": "Permanent differences", "totalLabel": "Effective Income Tax Rate Reconciliation, Nondeductible Expense, Percent, Total" } } }, "localname": "EffectiveIncomeTaxRateReconciliationNondeductibleExpense", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureIncomeTaxesScheduleOfReconciliationOfCompanySEffectiveTaxRateToStatutoryFederalIncomeTaxRateDetail" ], "xbrltype": "percentItemType" }, "us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseShareBasedCompensationCost": { "auth_ref": [ "r439", "r442" ], "calculation": { "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureIncomeTaxesScheduleOfReconciliationOfCompanySEffectiveTaxRateToStatutoryFederalIncomeTaxRateDetail": { "order": 3.0, "parentTag": "us-gaap_EffectiveIncomeTaxRateContinuingOperations", "weight": 1.0 } }, "lang": { "en-us": { "role": { "documentation": "Percentage of difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying domestic federal statutory income tax rate to pretax income (loss) from continuing operation, attributable to nondeductible expense for share-based payment arrangement.", "label": "Effective Income Tax Rate Reconciliation, Nondeductible Expense, Share-Based Payment Arrangement, Percent", "terseLabel": "Stock-based compensation" } } }, "localname": "EffectiveIncomeTaxRateReconciliationNondeductibleExpenseShareBasedCompensationCost", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureIncomeTaxesScheduleOfReconciliationOfCompanySEffectiveTaxRateToStatutoryFederalIncomeTaxRateDetail" ], "xbrltype": "percentItemType" }, "us-gaap_EffectiveIncomeTaxRateReconciliationOtherAdjustments": { "auth_ref": [ "r439", "r442" ], "calculation": { "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureIncomeTaxesScheduleOfReconciliationOfCompanySEffectiveTaxRateToStatutoryFederalIncomeTaxRateDetail": { "order": 6.0, "parentTag": "us-gaap_EffectiveIncomeTaxRateContinuingOperations", "weight": 1.0 } }, "lang": { "en-us": { "role": { "documentation": "Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to other adjustments.", "label": "Effective Income Tax Rate Reconciliation, Other Adjustments, Percent", "terseLabel": "Other" } } }, "localname": "EffectiveIncomeTaxRateReconciliationOtherAdjustments", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureIncomeTaxesScheduleOfReconciliationOfCompanySEffectiveTaxRateToStatutoryFederalIncomeTaxRateDetail" ], "xbrltype": "percentItemType" }, "us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes": { "auth_ref": [ "r439", "r442" ], "calculation": { "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureIncomeTaxesScheduleOfReconciliationOfCompanySEffectiveTaxRateToStatutoryFederalIncomeTaxRateDetail": { "order": 1.0, "parentTag": "us-gaap_EffectiveIncomeTaxRateContinuingOperations", "weight": 1.0 } }, "lang": { "en-us": { "role": { "documentation": "Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations applicable to state and local income tax expense (benefit), net of federal tax expense (benefit).", "label": "Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Percent", "terseLabel": "State taxes" } } }, "localname": "EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureIncomeTaxesScheduleOfReconciliationOfCompanySEffectiveTaxRateToStatutoryFederalIncomeTaxRateDetail" ], "xbrltype": "percentItemType" }, "us-gaap_EffectiveIncomeTaxRateReconciliationTaxCredits": { "auth_ref": [ "r439", "r442" ], "calculation": { "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureIncomeTaxesScheduleOfReconciliationOfCompanySEffectiveTaxRateToStatutoryFederalIncomeTaxRateDetail": { "order": 4.0, "parentTag": "us-gaap_EffectiveIncomeTaxRateContinuingOperations", "weight": 1.0 } }, "lang": { "en-us": { "role": { "documentation": "Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to tax credits. Including, but not limited to, research credit, foreign tax credit, investment tax credit, and other tax credits.", "label": "Effective Income Tax Rate Reconciliation, Tax Credit, Percent", "terseLabel": "Tax credits", "totalLabel": "Effective Income Tax Rate Reconciliation, Tax Credit, Percent, Total" } } }, "localname": "EffectiveIncomeTaxRateReconciliationTaxCredits", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureIncomeTaxesScheduleOfReconciliationOfCompanySEffectiveTaxRateToStatutoryFederalIncomeTaxRateDetail" ], "xbrltype": "percentItemType" }, "us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1": { "auth_ref": [ "r273" ], "lang": { "en-us": { "role": { "documentation": "Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.", "label": "Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition", "terseLabel": "Weighted average period over which unrecognized stock-based compensation expense is expected to be recognized" } } }, "localname": "EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureStockBasedCompensationAdditionalInformationDetail" ], "xbrltype": "durationItemType" }, "us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions": { "auth_ref": [ "r438" ], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount of cost to be recognized for option under share-based payment arrangement.", "label": "Share-Based Payment Arrangement, Nonvested Award, Option, Cost Not yet Recognized, Amount", "terseLabel": "Unrecognized stock-based compensation expense related to nonvested stock options" } } }, "localname": "EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureStockBasedCompensationAdditionalInformationDetail" ], "xbrltype": "monetaryItemType" }, "us-gaap_EmployeeSeveranceMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Termination of an employee associated with exit from or disposal of business activities or restructurings pursuant to a plan.", "label": "Employee Severance [Member]", "terseLabel": "Severance, Benefits and Related Costs Due to Workforce Reduction [Member]" } } }, "localname": "EmployeeSeveranceMember", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureRestructuringActivitiesSummaryOfChargesRelatedToRestructuringActivitiesDetail" ], "xbrltype": "domainItemType" }, "us-gaap_EmployeeStockOptionMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Share-based payment arrangement granting right, subject to vesting and other restrictions, to purchase or sell certain number of shares at predetermined price for specified period of time.", "label": "Share-Based Payment Arrangement, Option [Member]", "verboseLabel": "Stock Options [Member]" } } }, "localname": "EmployeeStockOptionMember", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureStockBasedCompensationAdditionalInformationDetail" ], "xbrltype": "domainItemType" }, "us-gaap_EquityAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Equity [Abstract]" } } }, "localname": "EquityAbstract", "nsuri": "http://fasb.org/us-gaap/2022", "xbrltype": "stringItemType" }, "us-gaap_EquityComponentDomain": { "auth_ref": [ "r45", "r94", "r110", "r111", "r112", "r123", "r124", "r125", "r127", "r133", "r135", "r149", "r180", "r225", "r275", "r276", "r277", "r292", "r293", "r310", "r321", "r322", "r323", "r324", "r325", "r326", "r328", "r345", "r346", "r347" ], "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]", "terseLabel": "Equity Component" } } }, "localname": "EquityComponentDomain", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_StatementConsolidatedStatementsOfStockholdersEquity" ], "xbrltype": "domainItemType" }, "us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems": { "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": "Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]", "terseLabel": "Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]" } } }, "localname": "FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureFairValueOfFinancialInstrumentsSummaryOfAssetsMeasuredAtFairValueOnRecurringBasisDetail" ], "xbrltype": "stringItemType" }, "us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable": { "auth_ref": [ "r313", "r314", "r318" ], "lang": { "en-us": { "role": { "documentation": "Disclosure of information about asset and liability measured at fair value on recurring and nonrecurring basis.", "label": "Fair Value, Recurring and Nonrecurring [Table]", "terseLabel": "Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Table]" } } }, "localname": "FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureFairValueOfFinancialInstrumentsSummaryOfAssetsMeasuredAtFairValueOnRecurringBasisDetail" ], "xbrltype": "stringItemType" }, "us-gaap_FairValueAssetsMeasuredOnRecurringBasisTextBlock": { "auth_ref": [ "r73", "r74" ], "lang": { "en-us": { "role": { "documentation": "Tabular disclosure of assets, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, by class that are measured at fair value on a recurring basis. The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3).", "label": "Fair Value, Assets Measured on Recurring Basis [Table Text Block]", "terseLabel": "Summary of Assets Measured at Fair Value on a Recurring Basis" } } }, "localname": "FairValueAssetsMeasuredOnRecurringBasisTextBlock", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureFairValueOfFinancialInstrumentsTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain": { "auth_ref": [ "r75" ], "lang": { "en-us": { "role": { "documentation": "Class of asset.", "label": "Asset Class [Domain]", "terseLabel": "Asset Class" } } }, "localname": "FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureFairValueOfFinancialInstrumentsSummaryOfAssetsMeasuredAtFairValueOnRecurringBasisDetail" ], "xbrltype": "domainItemType" }, "us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems": { "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": "Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]", "terseLabel": "Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]" } } }, "localname": "FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureFairValueOfFinancialInstrumentsAdditionalInformationDetail" ], "xbrltype": "stringItemType" }, "us-gaap_FairValueByAssetClassAxis": { "auth_ref": [ "r73", "r76" ], "lang": { "en-us": { "role": { "documentation": "Information by class of asset.", "label": "Asset Class [Axis]", "terseLabel": "Asset Class" } } }, "localname": "FairValueByAssetClassAxis", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureFairValueOfFinancialInstrumentsSummaryOfAssetsMeasuredAtFairValueOnRecurringBasisDetail" ], "xbrltype": "stringItemType" }, "us-gaap_FairValueByBalanceSheetGroupingTable": { "auth_ref": [ "r73", "r79", "r80" ], "lang": { "en-us": { "role": { "documentation": "Disclosure of information about the fair value of financial instruments, including financial assets and financial liabilities, and the measurements of those instruments, assets, and liabilities.", "label": "Fair Value, by Balance Sheet Grouping [Table]", "terseLabel": "Fair Value By Balance Sheet Grouping [Table]" } } }, "localname": "FairValueByBalanceSheetGroupingTable", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureFairValueOfFinancialInstrumentsAdditionalInformationDetail" ], "xbrltype": "stringItemType" }, "us-gaap_FairValueByFairValueHierarchyLevelAxis": { "auth_ref": [ "r207", "r229", "r230", "r231", "r232", "r233", "r234", "r314", "r332", "r333", "r334", "r360", "r361", "r363", "r364", "r365" ], "lang": { "en-us": { "role": { "documentation": "Information by level within fair value hierarchy and fair value measured at net asset value per share as practical expedient.", "label": "Fair Value Hierarchy and NAV [Axis]", "terseLabel": "Level 2 [Member]" } } }, "localname": "FairValueByFairValueHierarchyLevelAxis", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureFairValueOfFinancialInstrumentsSummaryOfAssetsMeasuredAtFairValueOnRecurringBasisDetail" ], "xbrltype": "stringItemType" }, "us-gaap_FairValueByMeasurementFrequencyAxis": { "auth_ref": [ "r313", "r314", "r315", "r316", "r319" ], "lang": { "en-us": { "role": { "documentation": "Information by measurement frequency.", "label": "Measurement Frequency [Axis]", "terseLabel": "Measurement Frequency" } } }, "localname": "FairValueByMeasurementFrequencyAxis", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureFairValueOfFinancialInstrumentsAdditionalInformationDetail", "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureFairValueOfFinancialInstrumentsSummaryOfAssetsMeasuredAtFairValueOnRecurringBasisDetail" ], "xbrltype": "stringItemType" }, "us-gaap_FairValueDisclosuresAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Fair Value Disclosures [Abstract]" } } }, "localname": "FairValueDisclosuresAbstract", "nsuri": "http://fasb.org/us-gaap/2022", "xbrltype": "stringItemType" }, "us-gaap_FairValueDisclosuresTextBlock": { "auth_ref": [ "r317" ], "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]", "terseLabel": "Fair Value of Financial Instruments" } } }, "localname": "FairValueDisclosuresTextBlock", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureFairValueOfFinancialInstruments" ], "xbrltype": "textBlockItemType" }, "us-gaap_FairValueInputsLevel1Member": { "auth_ref": [ "r207", "r229", "r234", "r314", "r332", "r363", "r364", "r365" ], "lang": { "en-us": { "role": { "documentation": "Quoted prices in active markets for identical assets or liabilities that the reporting entity can access at the measurement date.", "label": "Fair Value, Inputs, Level 1 [Member]", "terseLabel": "Level 1 [Member]" } } }, "localname": "FairValueInputsLevel1Member", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureFairValueOfFinancialInstrumentsSummaryOfAssetsMeasuredAtFairValueOnRecurringBasisDetail" ], "xbrltype": "domainItemType" }, "us-gaap_FairValueInputsLevel2Member": { "auth_ref": [ "r207", "r229", "r234", "r314", "r333", "r360", "r361", "r363", "r364", "r365" ], "lang": { "en-us": { "role": { "documentation": "Inputs other than quoted prices included within level 1 that are observable for an asset or liability, either directly or indirectly, including, but not limited to, quoted prices for similar assets or liabilities in active markets, or quoted prices for identical or similar assets or liabilities in inactive markets.", "label": "Fair Value, Inputs, Level 2 [Member]", "terseLabel": "Level 2 [Member]" } } }, "localname": "FairValueInputsLevel2Member", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureFairValueOfFinancialInstrumentsSummaryOfAssetsMeasuredAtFairValueOnRecurringBasisDetail" ], "xbrltype": "domainItemType" }, "us-gaap_FairValueInputsLevel3Member": { "auth_ref": [ "r207", "r229", "r230", "r231", "r232", "r233", "r234", "r314", "r334", "r360", "r361", "r363", "r364", "r365" ], "lang": { "en-us": { "role": { "documentation": "Unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.", "label": "Fair Value, Inputs, Level 3 [Member]", "terseLabel": "Level 3 [Member]" } } }, "localname": "FairValueInputsLevel3Member", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureFairValueOfFinancialInstrumentsSummaryOfAssetsMeasuredAtFairValueOnRecurringBasisDetail" ], "xbrltype": "domainItemType" }, "us-gaap_FairValueMeasurementFrequencyDomain": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Measurement frequency.", "label": "Measurement Frequency [Domain]", "terseLabel": "Measurement Frequency" } } }, "localname": "FairValueMeasurementFrequencyDomain", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureFairValueOfFinancialInstrumentsAdditionalInformationDetail", "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureFairValueOfFinancialInstrumentsSummaryOfAssetsMeasuredAtFairValueOnRecurringBasisDetail" ], "xbrltype": "domainItemType" }, "us-gaap_FairValueMeasurementsFairValueHierarchyDomain": { "auth_ref": [ "r207", "r229", "r230", "r231", "r232", "r233", "r234", "r332", "r333", "r334", "r360", "r361", "r363", "r364", "r365" ], "lang": { "en-us": { "role": { "documentation": "Categories used to prioritize the inputs to valuation techniques to measure fair value.", "label": "Fair Value Hierarchy and NAV [Domain]", "terseLabel": "Fair Value Hierarchy and NAV" } } }, "localname": "FairValueMeasurementsFairValueHierarchyDomain", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureFairValueOfFinancialInstrumentsSummaryOfAssetsMeasuredAtFairValueOnRecurringBasisDetail" ], "xbrltype": "domainItemType" }, "us-gaap_FairValueMeasurementsRecurringMember": { "auth_ref": [ "r317", "r319" ], "lang": { "en-us": { "role": { "documentation": "Frequent fair value measurement. Includes, but is not limited to, fair value adjustment for impairment of asset, liability or equity, frequently measured at fair value.", "label": "Fair Value, Recurring [Member]", "terseLabel": "Recurring Basis [Member]" } } }, "localname": "FairValueMeasurementsRecurringMember", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureFairValueOfFinancialInstrumentsAdditionalInformationDetail", "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureFairValueOfFinancialInstrumentsSummaryOfAssetsMeasuredAtFairValueOnRecurringBasisDetail" ], "xbrltype": "domainItemType" }, "us-gaap_FairValueOfFinancialInstrumentsPolicy": { "auth_ref": [ "r77", "r78" ], "lang": { "en-us": { "role": { "documentation": "Disclosure of accounting policy for determining the fair value of financial instruments.", "label": "Fair Value of Financial Instruments, Policy [Policy Text Block]", "terseLabel": "Fair Value of Financial Instruments" } } }, "localname": "FairValueOfFinancialInstrumentsPolicy", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureNatureOfBusinessAndSummaryOfSignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "us-gaap_GainLossOnDispositionOfAssets1": { "auth_ref": [ "r390" ], "calculation": { "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_StatementConsolidatedStatementsOfOperationsAndComprehensiveLoss": { "order": 1.0, "parentTag": "us-gaap_OperatingExpenses", "weight": -1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Amount of gain (loss) on sale or disposal of assets, including but not limited to property plant and equipment, intangible assets and equity in securities of subsidiaries or equity method investee.", "label": "Gain (Loss) on Disposition of Assets", "negatedLabel": "Gain on sales of assets", "totalLabel": "Gain (Loss) on Disposition of Assets, Total" } } }, "localname": "GainLossOnDispositionOfAssets1", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_StatementConsolidatedStatementsOfOperationsAndComprehensiveLoss" ], "xbrltype": "monetaryItemType" }, "us-gaap_GeneralAndAdministrativeExpense": { "auth_ref": [ "r18" ], "calculation": { "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_StatementConsolidatedStatementsOfOperationsAndComprehensiveLoss": { "order": 0.0, "parentTag": "us-gaap_OperatingExpenses", "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", "terseLabel": "General and administrative expenses", "totalLabel": "General and Administrative Expense, Total" } } }, "localname": "GeneralAndAdministrativeExpense", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_StatementConsolidatedStatementsOfOperationsAndComprehensiveLoss" ], "xbrltype": "monetaryItemType" }, "us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest": { "auth_ref": [ "r17", "r82", "r87", "r93", "r161", "r169", "r173", "r175", "r340", "r359" ], "calculation": { "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_StatementConsolidatedStatementsOfOperationsAndComprehensiveLoss": { "order": 0.0, "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": "Loss before income tax expense" } } }, "localname": "IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_StatementConsolidatedStatementsOfOperationsAndComprehensiveLoss" ], "xbrltype": "monetaryItemType" }, "us-gaap_IncomeTaxAuthorityAxis": { "auth_ref": [ "r66" ], "lang": { "en-us": { "role": { "documentation": "Information by tax jurisdiction.", "label": "Income Tax Authority [Axis]", "terseLabel": "Income Tax Authority" } } }, "localname": "IncomeTaxAuthorityAxis", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureIncomeTaxesAdditionalInformationDetail" ], "xbrltype": "stringItemType" }, "us-gaap_IncomeTaxAuthorityDomain": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Agency, division or body classification that levies income taxes, examines tax returns for compliance, or grants exemptions from or makes other decisions pertaining to income taxes.", "label": "Income Tax Authority [Domain]", "terseLabel": "Income Tax Authority" } } }, "localname": "IncomeTaxAuthorityDomain", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureIncomeTaxesAdditionalInformationDetail" ], "xbrltype": "domainItemType" }, "us-gaap_IncomeTaxAuthorityNameAxis": { "auth_ref": [ "r66" ], "lang": { "en-us": { "role": { "documentation": "Information by name of taxing authority.", "label": "Income Tax Authority, Name [Axis]", "terseLabel": "Income Tax Authority, Name" } } }, "localname": "IncomeTaxAuthorityNameAxis", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureIncomeTaxesAdditionalInformationDetail" ], "xbrltype": "stringItemType" }, "us-gaap_IncomeTaxAuthorityNameDomain": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Named agency, division or body that levies income taxes, examines tax returns for compliance, or grants exemptions from or makes other decisions pertaining to income taxes.", "label": "Income Tax Authority, Name [Domain]", "terseLabel": "Income Tax Authority, Name" } } }, "localname": "IncomeTaxAuthorityNameDomain", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureIncomeTaxesAdditionalInformationDetail" ], "xbrltype": "domainItemType" }, "us-gaap_IncomeTaxDisclosureAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Income Tax Disclosure [Abstract]" } } }, "localname": "IncomeTaxDisclosureAbstract", "nsuri": "http://fasb.org/us-gaap/2022", "xbrltype": "stringItemType" }, "us-gaap_IncomeTaxDisclosureTextBlock": { "auth_ref": [ "r119", "r284", "r285", "r290", "r294", "r297", "r299", "r300", "r301" ], "lang": { "en-us": { "role": { "documentation": "The entire disclosure for income taxes. Disclosures may include net deferred tax liability or asset recognized in an enterprise's statement of financial position, net change during the year in the total valuation allowance, approximate tax effect of each type of temporary difference and carryforward that gives rise to a significant portion of deferred tax liabilities and deferred tax assets, utilization of a tax carryback, and tax uncertainties information.", "label": "Income Tax Disclosure [Text Block]", "terseLabel": "Income Taxes" } } }, "localname": "IncomeTaxDisclosureTextBlock", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureIncomeTaxes" ], "xbrltype": "textBlockItemType" }, "us-gaap_IncomeTaxExpenseBenefit": { "auth_ref": [ "r120", "r134", "r135", "r160", "r282", "r295", "r298", "r343" ], "calculation": { "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_StatementConsolidatedStatementsOfOperationsAndComprehensiveLoss": { "order": 1.0, "parentTag": "us-gaap_ComprehensiveIncomeNetOfTax", "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": "Income tax expense", "totalLabel": "Income Tax Expense (Benefit), Total" } } }, "localname": "IncomeTaxExpenseBenefit", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureIncomeTaxesAdditionalInformationDetail", "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_StatementConsolidatedStatementsOfOperationsAndComprehensiveLoss" ], "xbrltype": "monetaryItemType" }, "us-gaap_IncomeTaxPolicyTextBlock": { "auth_ref": [ "r109", "r280", "r281", "r285", "r286", "r289", "r291" ], "lang": { "en-us": { "role": { "documentation": "Disclosure of accounting policy for income taxes, which may include its accounting policies for recognizing and measuring deferred tax assets and liabilities and related valuation allowances, recognizing investment tax credits, operating loss carryforwards, tax credit carryforwards, and other carryforwards, methodologies for determining its effective income tax rate and the characterization of interest and penalties in the financial statements.", "label": "Income Tax, Policy [Policy Text Block]", "terseLabel": "Income Taxes" } } }, "localname": "IncomeTaxPolicyTextBlock", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureNatureOfBusinessAndSummaryOfSignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities": { "auth_ref": [ "r23" ], "calculation": { "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_StatementConsolidatedStatementsOfCashFlows": { "order": 4.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The increase (decrease) during the reporting period in the amounts payable to vendors for goods and services received and the amount of obligations and expenses incurred but not paid.", "label": "Increase (Decrease) in Accounts Payable and Accrued Liabilities", "terseLabel": "Accounts payable, accrued expenses and other", "totalLabel": "Increase (Decrease) in Accounts Payable and Accrued Liabilities, Total" } } }, "localname": "IncreaseDecreaseInAccountsPayableAndAccruedLiabilities", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_StatementConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_IncreaseDecreaseInOperatingCapitalAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Increase (Decrease) in Operating Capital [Abstract]", "terseLabel": "Changes in operating assets and liabilities:" } } }, "localname": "IncreaseDecreaseInOperatingCapitalAbstract", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_StatementConsolidatedStatementsOfCashFlows" ], "xbrltype": "stringItemType" }, "us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets": { "auth_ref": [ "r23" ], "calculation": { "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_StatementConsolidatedStatementsOfCashFlows": { "order": 3.0, "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/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_StatementConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_InternalRevenueServiceIRSMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Designated tax department of the United States of America government entitled to levy and collect income taxes from the entity.", "label": "Internal Revenue Service (IRS) [Member]", "terseLabel": "Federal [Member]" } } }, "localname": "InternalRevenueServiceIRSMember", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureIncomeTaxesAdditionalInformationDetail" ], "xbrltype": "domainItemType" }, "us-gaap_InvestmentCreditMember": { "auth_ref": [ "r70" ], "lang": { "en-us": { "role": { "documentation": "Investment tax credit carryforwards arising from certain qualifying capital expenditures including, but not limited to, rehabilitation, energy, advanced coal project and gasification project.", "label": "Investment Tax Credit Carryforward [Member]", "terseLabel": "Investment [Member]" } } }, "localname": "InvestmentCreditMember", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureIncomeTaxesAdditionalInformationDetail" ], "xbrltype": "domainItemType" }, "us-gaap_InvestmentIncomeInterest": { "auth_ref": [ "r19", "r159" ], "calculation": { "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_StatementConsolidatedStatementsOfOperationsAndComprehensiveLoss": { "order": 1.0, "parentTag": "us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest", "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": "Investment Income, Interest", "terseLabel": "Interest income" } } }, "localname": "InvestmentIncomeInterest", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_StatementConsolidatedStatementsOfOperationsAndComprehensiveLoss" ], "xbrltype": "monetaryItemType" }, "us-gaap_Liabilities": { "auth_ref": [ "r10", "r118", "r179", "r197", "r198", "r199", "r200", "r201", "r202", "r203", "r204", "r205", "r304", "r307", "r308", "r320", "r358", "r408", "r447", "r448" ], "calculation": { "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_StatementConsolidatedBalanceSheets": { "order": 0.0, "parentTag": "us-gaap_LiabilitiesAndStockholdersEquity", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Sum of the carrying amounts as of the balance sheet date of all liabilities that are recognized. Liabilities are probable future sacrifices of economic benefits arising from present obligations of an entity to transfer assets or provide services to other entities in the future.", "label": "Liabilities", "totalLabel": "Total liabilities" } } }, "localname": "Liabilities", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_StatementConsolidatedBalanceSheets" ], "xbrltype": "monetaryItemType" }, "us-gaap_LiabilitiesAndStockholdersEquity": { "auth_ref": [ "r6", "r85", "r91", "r371", "r392", "r401", "r445" ], "calculation": { "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_StatementConsolidatedBalanceSheets": { "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 stockholders\u2019 equity" } } }, "localname": "LiabilitiesAndStockholdersEquity", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_StatementConsolidatedBalanceSheets" ], "xbrltype": "monetaryItemType" }, "us-gaap_LiabilitiesAndStockholdersEquityAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Liabilities and Equity [Abstract]", "terseLabel": "Liabilities and stockholders\u2019 equity" } } }, "localname": "LiabilitiesAndStockholdersEquityAbstract", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_StatementConsolidatedBalanceSheets" ], "xbrltype": "stringItemType" }, "us-gaap_LiabilitiesCurrent": { "auth_ref": [ "r12", "r97", "r118", "r179", "r197", "r198", "r199", "r200", "r201", "r202", "r203", "r204", "r205", "r304", "r307", "r308", "r320", "r371", "r408", "r447", "r448" ], "calculation": { "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_StatementConsolidatedBalanceSheets": { "order": 0.0, "parentTag": "us-gaap_Liabilities", "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/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_StatementConsolidatedBalanceSheets" ], "xbrltype": "monetaryItemType" }, "us-gaap_LiabilitiesCurrentAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Liabilities, Current [Abstract]", "terseLabel": "Current liabilities:" } } }, "localname": "LiabilitiesCurrentAbstract", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_StatementConsolidatedBalanceSheets" ], "xbrltype": "stringItemType" }, "us-gaap_LiabilitiesFairValueDisclosure": { "auth_ref": [ "r73" ], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Fair value of financial and nonfinancial obligations.", "label": "Liabilities, Fair Value Disclosure", "totalLabel": "Liabilities, Fair Value Disclosure, Total", "verboseLabel": "Liabilities measured at fair value" } } }, "localname": "LiabilitiesFairValueDisclosure", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureFairValueOfFinancialInstrumentsAdditionalInformationDetail" ], "xbrltype": "monetaryItemType" }, "us-gaap_MoneyMarketFundsMember": { "auth_ref": [ "r411" ], "lang": { "en-us": { "role": { "documentation": "Fund that invests in short-term money-market instruments, for example, but not limited to, commercial paper, banker's acceptances, repurchase agreements, government securities, certificates of deposit, and other highly liquid securities.", "label": "Money Market Funds [Member]", "terseLabel": "Money Market Funds [Member]" } } }, "localname": "MoneyMarketFundsMember", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureFairValueOfFinancialInstrumentsSummaryOfAssetsMeasuredAtFairValueOnRecurringBasisDetail" ], "xbrltype": "domainItemType" }, "us-gaap_NetCashProvidedByUsedInFinancingActivities": { "auth_ref": [ "r116" ], "calculation": { "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_StatementConsolidatedStatementsOfCashFlows": { "order": 2.0, "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 (used in) financing activities" } } }, "localname": "NetCashProvidedByUsedInFinancingActivities", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_StatementConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Net Cash Provided by (Used in) Financing Activities [Abstract]", "terseLabel": "Cash flows from financing activities" } } }, "localname": "NetCashProvidedByUsedInFinancingActivitiesAbstract", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_StatementConsolidatedStatementsOfCashFlows" ], "xbrltype": "stringItemType" }, "us-gaap_NetCashProvidedByUsedInInvestingActivities": { "auth_ref": [ "r116" ], "calculation": { "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_StatementConsolidatedStatementsOfCashFlows": { "order": 1.0, "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 provided by investing activities" } } }, "localname": "NetCashProvidedByUsedInInvestingActivities", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_StatementConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Net Cash Provided by (Used in) Investing Activities [Abstract]", "terseLabel": "Cash flows from investing activities" } } }, "localname": "NetCashProvidedByUsedInInvestingActivitiesAbstract", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_StatementConsolidatedStatementsOfCashFlows" ], "xbrltype": "stringItemType" }, "us-gaap_NetCashProvidedByUsedInOperatingActivities": { "auth_ref": [ "r21", "r22", "r25" ], "calculation": { "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_StatementConsolidatedStatementsOfCashFlows": { "order": 0.0, "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", "negatedLabel": "Cash used in operating activities", "totalLabel": "Net cash used in operating activities" } } }, "localname": "NetCashProvidedByUsedInOperatingActivities", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureNatureOfBusinessAndSummaryOfSignificantAccountingPoliciesAdditionalInformationDetail", "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_StatementConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Net Cash Provided by (Used in) Operating Activities [Abstract]", "terseLabel": "Cash flows from operating activities" } } }, "localname": "NetCashProvidedByUsedInOperatingActivitiesAbstract", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_StatementConsolidatedStatementsOfCashFlows" ], "xbrltype": "stringItemType" }, "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": "New Accounting Pronouncements, Policy [Policy Text Block]", "terseLabel": "Recently Adopted Accounting Pronouncements" } } }, "localname": "NewAccountingPronouncementsPolicyPolicyTextBlock", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureNatureOfBusinessAndSummaryOfSignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "us-gaap_NonoperatingIncomeExpenseAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Nonoperating Income (Expense) [Abstract]", "terseLabel": "Other income and expenses:" } } }, "localname": "NonoperatingIncomeExpenseAbstract", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_StatementConsolidatedStatementsOfOperationsAndComprehensiveLoss" ], "xbrltype": "stringItemType" }, "us-gaap_NumberOfOperatingSegments": { "auth_ref": [ "r399" ], "lang": { "en-us": { "role": { "documentation": "Number of operating segments. An operating segment is a component of an enterprise: (a) that engages in business activities from which it may earn revenues and incur expenses (including revenues and expenses relating to transactions with other components of the same enterprise), (b) whose operating results are regularly reviewed by the enterprise's chief operating decision maker to make decisions about resources to be allocated to the segment and assess its performance, and (c) for which discrete financial information is available. An operating segment may engage in business activities for which it has yet to earn revenues, for example, start-up operations may be operating segments before earning revenues.", "label": "Number of Operating Segments", "terseLabel": "Number of operating segments" } } }, "localname": "NumberOfOperatingSegments", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureNatureOfBusinessAndSummaryOfSignificantAccountingPoliciesAdditionalInformationDetail" ], "xbrltype": "integerItemType" }, "us-gaap_OperatingExpenses": { "auth_ref": [], "calculation": { "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_StatementConsolidatedStatementsOfOperationsAndComprehensiveLoss": { "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. Includes selling, general and administrative expense.", "label": "Operating Expenses", "totalLabel": "Total operating expenses" } } }, "localname": "OperatingExpenses", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_StatementConsolidatedStatementsOfOperationsAndComprehensiveLoss" ], "xbrltype": "monetaryItemType" }, "us-gaap_OperatingExpensesAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Operating Expenses [Abstract]", "terseLabel": "Operating expenses:" } } }, "localname": "OperatingExpensesAbstract", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_StatementConsolidatedStatementsOfOperationsAndComprehensiveLoss" ], "xbrltype": "stringItemType" }, "us-gaap_OperatingIncomeLoss": { "auth_ref": [ "r161", "r169", "r173", "r175", "r359" ], "calculation": { "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_StatementConsolidatedStatementsOfOperationsAndComprehensiveLoss": { "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)", "terseLabel": "Loss from operations", "totalLabel": "Operating Income (Loss), Total" } } }, "localname": "OperatingIncomeLoss", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_StatementConsolidatedStatementsOfOperationsAndComprehensiveLoss" ], "xbrltype": "monetaryItemType" }, "us-gaap_OperatingLossCarryforwards": { "auth_ref": [ "r69" ], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.", "label": "Operating Loss Carryforwards", "terseLabel": "Net operating loss carryforwards" } } }, "localname": "OperatingLossCarryforwards", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureIncomeTaxesAdditionalInformationDetail" ], "xbrltype": "monetaryItemType" }, "us-gaap_OperatingLossCarryforwardsLineItems": { "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": "Operating Loss Carryforwards [Line Items]", "terseLabel": "Operating Loss Carryforwards [Line Items]" } } }, "localname": "OperatingLossCarryforwardsLineItems", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureIncomeTaxesAdditionalInformationDetail" ], "xbrltype": "stringItemType" }, "us-gaap_OperatingLossCarryforwardsTable": { "auth_ref": [ "r70" ], "lang": { "en-us": { "role": { "documentation": "Schedule reflecting pertinent information, such as tax authority, amounts, and expiration dates, of net operating loss carryforwards, including an assessment of the likelihood of utilization.", "label": "Operating Loss Carryforwards [Table]", "terseLabel": "Operating Loss Carryforwards [Table]" } } }, "localname": "OperatingLossCarryforwardsTable", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureIncomeTaxesAdditionalInformationDetail" ], "xbrltype": "stringItemType" }, "us-gaap_OrganizationConsolidationBasisOfPresentationBusinessDescriptionAndAccountingPoliciesTextBlock": { "auth_ref": [ "r29", "r30", "r36", "r72" ], "lang": { "en-us": { "role": { "documentation": "The entire disclosure for the general note to the financial statements for the reporting entity which may include, descriptions of the basis of presentation, business description, significant accounting policies, consolidations, reclassifications, new pronouncements not yet adopted and changes in accounting principles.", "label": "Organization, Consolidation, Basis of Presentation, Business Description and Accounting Policies [Text Block]", "terseLabel": "Nature of the Business and Summary of Significant Accounting Policies" } } }, "localname": "OrganizationConsolidationBasisOfPresentationBusinessDescriptionAndAccountingPoliciesTextBlock", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureNatureOfBusinessAndSummaryOfSignificantAccountingPolicies" ], "xbrltype": "textBlockItemType" }, "us-gaap_OtherAssetsNoncurrent": { "auth_ref": [ "r99" ], "calculation": { "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_StatementConsolidatedBalanceSheets": { "order": 1.0, "parentTag": "us-gaap_Assets", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount of noncurrent assets classified as other.", "label": "Other Assets, Noncurrent", "terseLabel": "Other assets" } } }, "localname": "OtherAssetsNoncurrent", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_StatementConsolidatedBalanceSheets" ], "xbrltype": "monetaryItemType" }, "us-gaap_PayablesAndAccrualsAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Payables and Accruals [Abstract]" } } }, "localname": "PayablesAndAccrualsAbstract", "nsuri": "http://fasb.org/us-gaap/2022", "xbrltype": "stringItemType" }, "us-gaap_PaymentsForRestructuring": { "auth_ref": [ "r183", "r389" ], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Amount of cash payments made as the result of exit or disposal activities. Excludes payments associated with a discontinued operation or an asset retirement obligation.", "label": "Payments for Restructuring", "negatedLabel": "Less: Payments", "terseLabel": "Payments for restructuring" } } }, "localname": "PaymentsForRestructuring", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureRestructuringActivitiesAdditionalInformationDetail", "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureRestructuringActivitiesSummaryOfChargesRelatedToRestructuringActivitiesDetail" ], "xbrltype": "monetaryItemType" }, "us-gaap_PlanNameAxis": { "auth_ref": [ "r412", "r413", "r414", "r415", "r416", "r417", "r418", "r419", "r420", "r421", "r422", "r423", "r424", "r425", "r426", "r427", "r428", "r429", "r430", "r431", "r432", "r433", "r434", "r435", "r436", "r437" ], "lang": { "en-us": { "role": { "documentation": "Information by plan name for share-based payment arrangement.", "label": "Plan Name [Axis]", "terseLabel": "Plan Name" } } }, "localname": "PlanNameAxis", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureStockBasedCompensationAdditionalInformationDetail" ], "xbrltype": "stringItemType" }, "us-gaap_PlanNameDomain": { "auth_ref": [ "r412", "r413", "r414", "r415", "r416", "r417", "r418", "r419", "r420", "r421", "r422", "r423", "r424", "r425", "r426", "r427", "r428", "r429", "r430", "r431", "r432", "r433", "r434", "r435", "r436", "r437" ], "lang": { "en-us": { "role": { "documentation": "Plan name for share-based payment arrangement.", "label": "Plan Name [Domain]", "terseLabel": "Plan Name" } } }, "localname": "PlanNameDomain", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureStockBasedCompensationAdditionalInformationDetail" ], "xbrltype": "domainItemType" }, "us-gaap_PreferredStockCallOrExerciseFeatures": { "auth_ref": [ "r46", "r48" ], "lang": { "en-us": { "role": { "documentation": "Describe call and/or exercise rights, prices and dates of nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer).", "label": "Preferred Stock, Call or Exercise Features", "terseLabel": "Preferred stock exercise features" } } }, "localname": "PreferredStockCallOrExerciseFeatures", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureCommonStockAdditionalInformationDetail" ], "xbrltype": "stringItemType" }, "us-gaap_PreferredStockParOrStatedValuePerShare": { "auth_ref": [ "r0", "r208" ], "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 stock, par value" } } }, "localname": "PreferredStockParOrStatedValuePerShare", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureCommonStockAdditionalInformationDetail", "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_StatementConsolidatedBalanceSheetsParenthetical" ], "xbrltype": "perShareItemType" }, "us-gaap_PreferredStockRedemptionPricePerShare": { "auth_ref": [ "r44", "r46", "r48" ], "lang": { "en-us": { "role": { "documentation": "The price per share at which the preferred stock of an entity that has priority over common stock in the distribution of dividends and in the event of liquidation of the entity is redeemed or may be called at. The redemption features of this preferred stock are solely within the control of the issuer.", "label": "Preferred Stock, Redemption Price Per Share", "terseLabel": "Preferred stock, redemption price per share" } } }, "localname": "PreferredStockRedemptionPricePerShare", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureCommonStockAdditionalInformationDetail" ], "xbrltype": "perShareItemType" }, "us-gaap_PreferredStockSharesAuthorized": { "auth_ref": [ "r0" ], "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 stock, shares authorized" } } }, "localname": "PreferredStockSharesAuthorized", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_StatementConsolidatedBalanceSheetsParenthetical" ], "xbrltype": "sharesItemType" }, "us-gaap_PreferredStockSharesIssued": { "auth_ref": [ "r0", "r208" ], "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 stock, shares issued" } } }, "localname": "PreferredStockSharesIssued", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_StatementConsolidatedBalanceSheetsParenthetical" ], "xbrltype": "sharesItemType" }, "us-gaap_PreferredStockSharesOutstanding": { "auth_ref": [ "r0" ], "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 Stock, Shares Outstanding", "periodEndLabel": "Preferred Stock, Shares Outstanding, Ending Balance", "periodStartLabel": "Preferred Stock, Shares Outstanding, Beginning Balance", "terseLabel": "Preferred stock, shares outstanding" } } }, "localname": "PreferredStockSharesOutstanding", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_StatementConsolidatedBalanceSheetsParenthetical" ], "xbrltype": "sharesItemType" }, "us-gaap_PreferredStockValue": { "auth_ref": [ "r0", "r371" ], "calculation": { "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_StatementConsolidatedBalanceSheets": { "order": 0.0, "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 stock, $0.01 par value: 10,000 shares authorized at December 31, 2022 and 2021 no shares issued or outstanding at December 31, 2022 or 2021" } } }, "localname": "PreferredStockValue", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_StatementConsolidatedBalanceSheets" ], "xbrltype": "monetaryItemType" }, "us-gaap_PrepaidExpenseAndOtherAssetsCurrent": { "auth_ref": [ "r387" ], "calculation": { "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_StatementConsolidatedBalanceSheets": { "order": 1.0, "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 Expense and Other Assets, Current", "terseLabel": "Prepaid expenses and other current assets" } } }, "localname": "PrepaidExpenseAndOtherAssetsCurrent", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_StatementConsolidatedBalanceSheets" ], "xbrltype": "monetaryItemType" }, "us-gaap_ProceedsFromStockOptionsExercised": { "auth_ref": [ "r20", "r61" ], "calculation": { "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_StatementConsolidatedStatementsOfCashFlows": { "order": 0.0, "parentTag": "us-gaap_NetCashProvidedByUsedInFinancingActivities", "weight": 1.0 } }, "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount of cash inflow from exercise of option under share-based payment arrangement.", "label": "Proceeds from Stock Options Exercised", "terseLabel": "Proceeds from exercise of options" } } }, "localname": "ProceedsFromStockOptionsExercised", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_StatementConsolidatedStatementsOfCashFlows" ], "xbrltype": "monetaryItemType" }, "us-gaap_ProfitLoss": { "auth_ref": [ "r95", "r105", "r107", "r115", "r118", "r126", "r134", "r135", "r161", "r169", "r173", "r175", "r179", "r197", "r198", "r199", "r200", "r201", "r202", "r203", "r204", "r205", "r302", "r305", "r306", "r312", "r320", "r340", "r359", "r369", "r370", "r388", "r408" ], "calculation": { "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_StatementConsolidatedStatementsOfCashFlows": { "order": 0.0, "parentTag": "us-gaap_NetCashProvidedByUsedInOperatingActivities", "weight": 1.0 } }, "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest.", "label": "Net Income (Loss), Including Portion Attributable to Noncontrolling Interest", "terseLabel": "Net loss", "totalLabel": "Net Income (Loss), Including Portion Attributable to Noncontrolling Interest, Total" } } }, "localname": "ProfitLoss", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_StatementConsolidatedStatementsOfCashFlows", "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_StatementConsolidatedStatementsOfStockholdersEquity" ], "xbrltype": "monetaryItemType" }, "us-gaap_ResearchMember": { "auth_ref": [ "r70" ], "lang": { "en-us": { "role": { "documentation": "Research tax credit carryforwards arising from certain qualifying expenditures incurred to develop new products and processes.", "label": "Research Tax Credit Carryforward [Member]", "terseLabel": "Research and Development [Member]" } } }, "localname": "ResearchMember", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureIncomeTaxesAdditionalInformationDetail" ], "xbrltype": "domainItemType" }, "us-gaap_RestructuringAndRelatedActivitiesAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Restructuring and Related Activities [Abstract]" } } }, "localname": "RestructuringAndRelatedActivitiesAbstract", "nsuri": "http://fasb.org/us-gaap/2022", "xbrltype": "stringItemType" }, "us-gaap_RestructuringAndRelatedActivitiesDisclosureTextBlock": { "auth_ref": [ "r181", "r183", "r186", "r191", "r192" ], "lang": { "en-us": { "role": { "documentation": "The entire disclosure for restructuring and related activities. Description of restructuring activities such as exit and disposal activities, include facts and circumstances leading to the plan, the expected plan completion date, the major types of costs associated with the plan activities, total expected costs, the accrual balance at the end of the period, and the periods over which the remaining accrual will be settled.", "label": "Restructuring and Related Activities Disclosure [Text Block]", "terseLabel": "Restructuring Activities" } } }, "localname": "RestructuringAndRelatedActivitiesDisclosureTextBlock", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureRestructuringActivities" ], "xbrltype": "textBlockItemType" }, "us-gaap_RestructuringAndRelatedActivitiesInitiationDate": { "auth_ref": [ "r404", "r406" ], "lang": { "en-us": { "role": { "documentation": "Date the restructuring activities were initiated or are expected to be initiated, in YYYY-MM-DD format.", "label": "Restructuring and Related Activities, Initiation Date", "terseLabel": "Restructuring activity, announcement date" } } }, "localname": "RestructuringAndRelatedActivitiesInitiationDate", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureRestructuringActivitiesAdditionalInformationDetail" ], "xbrltype": "dateItemType" }, "us-gaap_RestructuringCharges": { "auth_ref": [ "r24", "r187", "r188", "r403" ], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.", "label": "Restructuring Charges", "terseLabel": "Restructuring expenses", "totalLabel": "Restructuring Charges, Total", "verboseLabel": "Expenses" } } }, "localname": "RestructuringCharges", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureRestructuringActivitiesAdditionalInformationDetail", "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureRestructuringActivitiesSummaryOfChargesRelatedToRestructuringActivitiesDetail" ], "xbrltype": "monetaryItemType" }, "us-gaap_RestructuringCostAndReserveAxis": { "auth_ref": [ "r182", "r183", "r188", "r189" ], "lang": { "en-us": { "role": { "documentation": "Information by type of restructuring cost.", "label": "Restructuring Type [Axis]", "terseLabel": "Restructuring Type" } } }, "localname": "RestructuringCostAndReserveAxis", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureRestructuringActivitiesSummaryOfChargesRelatedToRestructuringActivitiesDetail" ], "xbrltype": "stringItemType" }, "us-gaap_RestructuringCostAndReserveLineItems": { "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": "Restructuring Cost and Reserve [Line Items]", "terseLabel": "Restructuring Cost And Reserve [Line Items]" } } }, "localname": "RestructuringCostAndReserveLineItems", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureRestructuringActivitiesAdditionalInformationDetail", "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureRestructuringActivitiesSummaryOfChargesRelatedToRestructuringActivitiesDetail" ], "xbrltype": "stringItemType" }, "us-gaap_RestructuringPlanAxis": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Information by individual restructuring plan.", "label": "Restructuring Plan [Axis]", "terseLabel": "Restructuring Plan" } } }, "localname": "RestructuringPlanAxis", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureRestructuringActivitiesAdditionalInformationDetail" ], "xbrltype": "stringItemType" }, "us-gaap_RestructuringPlanDomain": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Identification of the individual restructuring plans.", "label": "Restructuring Plan [Domain]", "terseLabel": "Restructuring Plan" } } }, "localname": "RestructuringPlanDomain", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureRestructuringActivitiesAdditionalInformationDetail" ], "xbrltype": "domainItemType" }, "us-gaap_RestructuringReserveCurrent": { "auth_ref": [ "r386", "r405", "r407" ], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Carrying amount as of the balance sheet date of known and estimated obligations associated with exit from or disposal of business activities or restructurings pursuant to a duly authorized plan, which are expected to be paid in the next twelve months or in the normal operating cycle if longer. Costs of such activities include those for one-time termination benefits, termination of an operating lease or other contract, consolidating or closing facilities, relocating employees, and costs associated with an ongoing benefit arrangement, but excludes costs associated with the retirement of a long-lived asset.", "label": "Restructuring Reserve, Current", "periodEndLabel": "Accrued Restructuring Expenses", "periodStartLabel": "Accrued Restructuring Expenses" } } }, "localname": "RestructuringReserveCurrent", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureRestructuringActivitiesSummaryOfChargesRelatedToRestructuringActivitiesDetail" ], "xbrltype": "monetaryItemType" }, "us-gaap_RestructuringReserveSettledWithoutCash2": { "auth_ref": [ "r183", "r189" ], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount of decrease in the reserve for full or partial settlement through consideration other than cash.", "label": "Restructuring Reserve, Settled without Cash", "negatedLabel": "Less: Non-Cash Expenses" } } }, "localname": "RestructuringReserveSettledWithoutCash2", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureRestructuringActivitiesSummaryOfChargesRelatedToRestructuringActivitiesDetail" ], "xbrltype": "monetaryItemType" }, "us-gaap_RetainedEarningsAccumulatedDeficit": { "auth_ref": [ "r3", "r53", "r90", "r348", "r349", "r371" ], "calculation": { "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_StatementConsolidatedBalanceSheets": { "order": 3.0, "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)", "negatedLabel": "Accumulated deficit", "terseLabel": "Accumulated deficit", "totalLabel": "Retained Earnings (Accumulated Deficit), Total" } } }, "localname": "RetainedEarningsAccumulatedDeficit", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureNatureOfBusinessAndSummaryOfSignificantAccountingPoliciesAdditionalInformationDetail", "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_StatementConsolidatedBalanceSheets" ], "xbrltype": "monetaryItemType" }, "us-gaap_RetainedEarningsMember": { "auth_ref": [ "r94", "r123", "r124", "r125", "r127", "r133", "r135", "r180", "r275", "r276", "r277", "r292", "r293", "r310", "r345", "r347" ], "lang": { "en-us": { "role": { "documentation": "The cumulative amount of the reporting entity's undistributed earnings or deficit.", "label": "Retained Earnings [Member]", "terseLabel": "Accumulated Deficit [Member]" } } }, "localname": "RetainedEarningsMember", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_StatementConsolidatedStatementsOfStockholdersEquity" ], "xbrltype": "domainItemType" }, "us-gaap_RevenueFromContractWithCustomerIncludingAssessedTax": { "auth_ref": [ "r157", "r158", "r168", "r171", "r172", "r176", "r177", "r178", "r226", "r227", "r337" ], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Amount, including tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value-added and excise.", "label": "Revenue from Contract with Customer, Including Assessed Tax", "terseLabel": "Cumulative worldwide net sales target" } } }, "localname": "RevenueFromContractWithCustomerIncludingAssessedTax", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureNatureOfBusinessAndSummaryOfSignificantAccountingPoliciesAdditionalInformationDetail" ], "xbrltype": "monetaryItemType" }, "us-gaap_ScheduleOfAccountsPayableAndAccruedLiabilitiesTableTextBlock": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Tabular disclosure of the (a) 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 (accounts payable); (b) other payables; and (c) accrued liabilities. 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). An alternative caption includes accrued expenses.", "label": "Schedule of Accounts Payable and Accrued Liabilities [Table Text Block]", "terseLabel": "Schedule of Accounts Payable, Accrued Expenses and Other" } } }, "localname": "ScheduleOfAccountsPayableAndAccruedLiabilitiesTableTextBlock", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureAccountsPayableAccruedExpensesAndOtherTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable": { "auth_ref": [ "r31" ], "lang": { "en-us": { "role": { "documentation": "Schedule for securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) in the future that were not included in the computation of diluted EPS because to do so would increase EPS amounts or decrease loss per share amounts for the period presented, by Antidilutive Securities.", "label": "Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table]", "terseLabel": "Schedule Of Antidilutive Securities Excluded From Computation Of Earnings Per Share [Table]" } } }, "localname": "ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureNetLossPerCommonShareScheduleOfSecuritiesExcludedFromComputationOfDilutedLossPerShareDetail" ], "xbrltype": "stringItemType" }, "us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTextBlock": { "auth_ref": [ "r31" ], "lang": { "en-us": { "role": { "documentation": "Tabular disclosure of securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) in the future that were not included in the computation of diluted EPS because to do so would increase EPS amounts or decrease loss per share amounts for the period presented, by antidilutive securities.", "label": "Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block]", "terseLabel": "Schedule of Securities Excluded from Computation of Diluted Loss Per Share" } } }, "localname": "ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTextBlock", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureNetLossPerCommonShareTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock": { "auth_ref": [ "r68" ], "lang": { "en-us": { "role": { "documentation": "Tabular disclosure of the components of net deferred tax asset or liability recognized in an entity's statement of financial position, including the following: the total of all deferred tax liabilities, the total of all deferred tax assets, the total valuation allowance recognized for deferred tax assets.", "label": "Schedule of Deferred Tax Assets and Liabilities [Table Text Block]", "terseLabel": "Schedule of Temporary Differences That Give Rise to Significant Net Deferred Tax Assets" } } }, "localname": "ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureIncomeTaxesTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock": { "auth_ref": [ "r65" ], "lang": { "en-us": { "role": { "documentation": "Tabular disclosure of the reconciliation using percentage or dollar amounts of the reported amount of income tax expense attributable to continuing operations for the year to the amount of income tax expense that would result from applying domestic federal statutory tax rates to pretax income from continuing operations.", "label": "Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]", "terseLabel": "Schedule of Reconciliation of the Company's Effective Tax Rate to the Statutory Federal Income Tax Rate" } } }, "localname": "ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureIncomeTaxesTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_ScheduleOfRestructuringAndRelatedCostsTable": { "auth_ref": [ "r182", "r183", "r184", "r185", "r188", "r189", "r190" ], "lang": { "en-us": { "role": { "documentation": "Table presenting the description of the restructuring costs, such as the expected cost; the costs incurred during the period; the cumulative costs incurred as of the balance sheet date; the income statement caption within which the restructuring charges recognized for the period are included; and the amount of and periodic changes to an entity's restructuring reserve that occurred during the period associated with the exit from or disposal of business activities or restructurings for each major type of cost by type of restructuring.", "label": "Schedule of Restructuring and Related Costs [Table]", "terseLabel": "Schedule Of Restructuring And Related Costs [Table]" } } }, "localname": "ScheduleOfRestructuringAndRelatedCostsTable", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureRestructuringActivitiesAdditionalInformationDetail", "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureRestructuringActivitiesSummaryOfChargesRelatedToRestructuringActivitiesDetail" ], "xbrltype": "stringItemType" }, "us-gaap_ScheduleOfRestructuringAndRelatedCostsTextBlock": { "auth_ref": [ "r38", "r39", "r40" ], "lang": { "en-us": { "role": { "documentation": "Tabular disclosure of costs incurred for restructuring including, but not limited to, exit and disposal activities, remediation, implementation, integration, asset impairment, and charges against earnings from the write-down of assets.", "label": "Restructuring and Related Costs [Table Text Block]", "terseLabel": "Summary of Charges Related to Restructuring Activities" } } }, "localname": "ScheduleOfRestructuringAndRelatedCostsTextBlock", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureRestructuringActivitiesTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable": { "auth_ref": [ "r237", "r239", "r241", "r242", "r243", "r245", "r246", "r247", "r248", "r249", "r250", "r251", "r252", "r253", "r254", "r255", "r256", "r257", "r258", "r259", "r260", "r261", "r262", "r265", "r266", "r267", "r268", "r269" ], "lang": { "en-us": { "role": { "documentation": "Disclosure of information about share-based payment arrangement.", "label": "Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table]", "terseLabel": "Schedule Of Share Based Compensation Arrangements By Share Based Payment Award [Table]" } } }, "localname": "ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureStockBasedCompensationAdditionalInformationDetail" ], "xbrltype": "stringItemType" }, "us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock": { "auth_ref": [ "r55", "r56", "r57" ], "lang": { "en-us": { "role": { "documentation": "Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value.", "label": "Share-Based Payment Arrangement, Option, Activity [Table Text Block]", "terseLabel": "Summary of Stock Option Activity" } } }, "localname": "ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureStockBasedCompensationTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock": { "auth_ref": [ "r59" ], "lang": { "en-us": { "role": { "documentation": "Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions.", "label": "Schedule of Share-Based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]", "terseLabel": "Schedule of Assumptions Used to Calculate Fair Value of Options Granted to Employees" } } }, "localname": "ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureStockBasedCompensationTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_ScheduleOfStockByClassTable": { "auth_ref": [ "r41", "r42", "r43", "r46", "r47", "r49", "r50", "r51", "r52", "r53", "r101", "r102", "r103", "r150", "r208", "r209", "r210", "r212", "r216", "r221", "r223", "r362", "r383", "r391" ], "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]", "terseLabel": "Schedule Of Stock By Class [Table]" } } }, "localname": "ScheduleOfStockByClassTable", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureCommonStockAdditionalInformationDetail" ], "xbrltype": "stringItemType" }, "us-gaap_SegmentReportingPolicyPolicyTextBlock": { "auth_ref": [ "r162", "r163", "r164", "r165", "r166", "r167", "r177" ], "lang": { "en-us": { "role": { "documentation": "Disclosure of accounting policy for segment reporting.", "label": "Segment Reporting, Policy [Policy Text Block]", "terseLabel": "Segment Information" } } }, "localname": "SegmentReportingPolicyPolicyTextBlock", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureNatureOfBusinessAndSummaryOfSignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "us-gaap_SellingGeneralAndAdministrativeExpensesPolicyTextBlock": { "auth_ref": [ "r64" ], "lang": { "en-us": { "role": { "documentation": "Disclosure of accounting policy for inclusion of significant items in the selling, general and administrative (or similar) expense report caption.", "label": "Selling, General and Administrative Expenses, Policy [Policy Text Block]", "terseLabel": "General and Administrative Expenses" } } }, "localname": "SellingGeneralAndAdministrativeExpensesPolicyTextBlock", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureNatureOfBusinessAndSummaryOfSignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1": { "auth_ref": [ "r367" ], "lang": { "en-us": { "role": { "documentation": "Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition.", "label": "Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period", "terseLabel": "Options vesting period" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureStockBasedCompensationAdditionalInformationDetail" ], "xbrltype": "durationItemType" }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate": { "auth_ref": [ "r267" ], "lang": { "en-us": { "role": { "documentation": "The estimated dividend rate (a percentage of the share price) to be paid (expected dividends) to holders of the underlying shares over the option's term.", "label": "Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Dividend Rate", "terseLabel": "Expected dividend yield" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureStockBasedCompensationScheduleOfAssumptionsUsedToCalculateFairValueOfOptionsGrantedToEmployeesDetail" ], "xbrltype": "percentItemType" }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate": { "auth_ref": [ "r266" ], "lang": { "en-us": { "role": { "documentation": "The estimated measure of the percentage by which a share price is expected to fluctuate during a period. Volatility also may be defined as a probability-weighted measure of the dispersion of returns about the mean. The volatility of a share price is the standard deviation of the continuously compounded rates of return on the share over a specified period. That is the same as the standard deviation of the differences in the natural logarithms of the stock prices plus dividends, if any, over the period.", "label": "Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Volatility Rate", "terseLabel": "Expected volatility" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureStockBasedCompensationScheduleOfAssumptionsUsedToCalculateFairValueOfOptionsGrantedToEmployeesDetail" ], "xbrltype": "percentItemType" }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate": { "auth_ref": [ "r268" ], "lang": { "en-us": { "role": { "documentation": "The risk-free interest rate assumption that is used in valuing an option on its own shares.", "label": "Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Risk Free Interest Rate", "terseLabel": "Risk-free interest rate" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureStockBasedCompensationScheduleOfAssumptionsUsedToCalculateFairValueOfOptionsGrantedToEmployeesDetail" ], "xbrltype": "percentItemType" }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems": { "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": "Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]", "terseLabel": "Share-based Compensation Arrangement by Share-based Payment Award [Line Items]" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureStockBasedCompensationAdditionalInformationDetail" ], "xbrltype": "stringItemType" }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant": { "auth_ref": [ "r60" ], "lang": { "en-us": { "role": { "documentation": "The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.", "label": "Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Available for Grant", "terseLabel": "Shares of common stock available for grant (in shares)" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureStockBasedCompensationAdditionalInformationDetail" ], "xbrltype": "sharesItemType" }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber": { "auth_ref": [ "r247" ], "lang": { "en-us": { "role": { "documentation": "The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.", "label": "Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Number", "terseLabel": "Number of Options, Exercisable" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureStockBasedCompensationSummaryOfStockOptionActivityDetail" ], "xbrltype": "sharesItemType" }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice": { "auth_ref": [ "r247" ], "lang": { "en-us": { "role": { "documentation": "The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan.", "label": "Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Weighted Average Exercise Price", "terseLabel": "Weighted-Average Exercise Price, Exercisable" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureStockBasedCompensationSummaryOfStockOptionActivityDetail" ], "xbrltype": "perShareItemType" }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue": { "auth_ref": [ "r260" ], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares.", "label": "Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period, Intrinsic Value", "terseLabel": "Aggregate intrinsic value of options exercised" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureStockBasedCompensationAdditionalInformationDetail" ], "xbrltype": "monetaryItemType" }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod": { "auth_ref": [ "r251" ], "lang": { "en-us": { "role": { "documentation": "The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan.", "label": "Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Forfeitures in Period", "negatedLabel": "Number of Options, Forfeited" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureStockBasedCompensationSummaryOfStockOptionActivityDetail" ], "xbrltype": "sharesItemType" }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross": { "auth_ref": [ "r249" ], "lang": { "en-us": { "role": { "documentation": "Gross number of share options (or share units) granted during the period.", "label": "Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross", "terseLabel": "Number of Options, Granted" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureStockBasedCompensationAdditionalInformationDetail", "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureStockBasedCompensationSummaryOfStockOptionActivityDetail" ], "xbrltype": "sharesItemType" }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue": { "auth_ref": [ "r259" ], "lang": { "en-us": { "role": { "documentation": "The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.", "label": "Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value", "terseLabel": "Weighted-average grant date fair value per share of stock options" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureStockBasedCompensationAdditionalInformationDetail" ], "xbrltype": "perShareItemType" }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue": { "auth_ref": [ "r60" ], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding.", "label": "Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Intrinsic Value", "terseLabel": "Aggregate Intrinsic Value, Outstanding" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureStockBasedCompensationSummaryOfStockOptionActivityDetail" ], "xbrltype": "monetaryItemType" }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber": { "auth_ref": [ "r245", "r246" ], "lang": { "en-us": { "role": { "documentation": "Number of options outstanding, including both vested and non-vested options.", "label": "Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Number", "periodEndLabel": "Number of Options, Outstanding, Ending balance", "periodStartLabel": "Number of Options, Outstanding, Beginning balance" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureStockBasedCompensationSummaryOfStockOptionActivityDetail" ], "xbrltype": "sharesItemType" }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward": { "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": "Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding [Roll Forward]" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward", "nsuri": "http://fasb.org/us-gaap/2022", "xbrltype": "stringItemType" }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice": { "auth_ref": [ "r245", "r246" ], "lang": { "en-us": { "role": { "documentation": "Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.", "label": "Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price", "periodEndLabel": "Weighted-Average Exercise Price, Outstanding, Ending balance", "periodStartLabel": "Weighted-Average Exercise Price, Outstanding, Beginning balance" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureStockBasedCompensationSummaryOfStockOptionActivityDetail" ], "xbrltype": "perShareItemType" }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue": { "auth_ref": [ "r261" ], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount by which current fair value of underlying stock exceeds exercise price of fully vested and expected to vest options outstanding. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.", "label": "Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Outstanding, Aggregate Intrinsic Value", "terseLabel": "Aggregate Intrinsic Value, Vested and expected to vest" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureStockBasedCompensationSummaryOfStockOptionActivityDetail" ], "xbrltype": "monetaryItemType" }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber": { "auth_ref": [ "r261" ], "lang": { "en-us": { "role": { "documentation": "Number of fully vested and expected to vest options outstanding that can be converted into shares under option plan. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.", "label": "Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Outstanding, Number", "terseLabel": "Number of Options, Vested and expected to vest" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureStockBasedCompensationSummaryOfStockOptionActivityDetail" ], "xbrltype": "sharesItemType" }, "us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice": { "auth_ref": [ "r261" ], "lang": { "en-us": { "role": { "documentation": "Weighted-average exercise price, at which grantee can acquire shares reserved for issuance, for fully vested and expected to vest options outstanding. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.", "label": "Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Exercise Price", "terseLabel": "Weighted-Average Exercise Price, Vested and expected to vest" } } }, "localname": "ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureStockBasedCompensationSummaryOfStockOptionActivityDetail" ], "xbrltype": "perShareItemType" }, "us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain": { "auth_ref": [ "r241", "r242", "r243", "r245", "r246", "r247", "r248", "r249", "r250", "r251", "r252", "r253", "r254", "r255", "r256", "r257", "r258", "r259", "r260", "r261", "r262", "r265", "r266", "r267", "r268", "r269" ], "lang": { "en-us": { "role": { "documentation": "Award under share-based payment arrangement.", "label": "Award Type [Domain]", "terseLabel": "Award Type" } } }, "localname": "ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureStockBasedCompensationAdditionalInformationDetail" ], "xbrltype": "domainItemType" }, "us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice": { "auth_ref": [ "r250" ], "lang": { "en-us": { "role": { "documentation": "Weighted average price at which option holders acquired shares when converting their stock options into shares.", "label": "Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price", "terseLabel": "Weighted-Average Exercise Price, Exercised" } } }, "localname": "ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureStockBasedCompensationSummaryOfStockOptionActivityDetail" ], "xbrltype": "perShareItemType" }, "us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice": { "auth_ref": [ "r251" ], "lang": { "en-us": { "role": { "documentation": "Weighted average price at which grantees could have acquired the underlying shares with respect to stock options that were terminated.", "label": "Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Forfeitures in Period, Weighted Average Exercise Price", "terseLabel": "Weighted-Average Exercise Price, Forfeited" } } }, "localname": "ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureStockBasedCompensationSummaryOfStockOptionActivityDetail" ], "xbrltype": "perShareItemType" }, "us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice": { "auth_ref": [ "r249" ], "lang": { "en-us": { "role": { "documentation": "Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options.", "label": "Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Grants in Period, Weighted Average Exercise Price", "verboseLabel": "Weighted-Average Exercise Price, Granted" } } }, "localname": "ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureStockBasedCompensationSummaryOfStockOptionActivityDetail" ], "xbrltype": "perShareItemType" }, "us-gaap_ShareBasedCompensationOptionAndIncentivePlansPolicy": { "auth_ref": [ "r244", "r263", "r264", "r265", "r266", "r269", "r278", "r279" ], "lang": { "en-us": { "role": { "documentation": "Disclosure of accounting policy for award under share-based payment arrangement. Includes, but is not limited to, methodology and assumption used in measuring cost.", "label": "Share-Based Payment Arrangement [Policy Text Block]", "terseLabel": "Stock-Based Compensation Expense" } } }, "localname": "ShareBasedCompensationOptionAndIncentivePlansPolicy", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureNatureOfBusinessAndSummaryOfSignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod": { "auth_ref": [ "r368" ], "lang": { "en-us": { "role": { "documentation": "Period from grant date that an equity-based award expires, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.", "label": "Share-Based Compensation Arrangement by Share-Based Payment Award, Expiration Period", "terseLabel": "Contractual term" } } }, "localname": "SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureStockBasedCompensationAdditionalInformationDetail" ], "xbrltype": "durationItemType" }, "us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1": { "auth_ref": [ "r265" ], "lang": { "en-us": { "role": { "documentation": "Expected term of award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.", "label": "Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Term", "terseLabel": "Expected term" } } }, "localname": "SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureStockBasedCompensationScheduleOfAssumptionsUsedToCalculateFairValueOfOptionsGrantedToEmployeesDetail" ], "xbrltype": "durationItemType" }, "us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1": { "auth_ref": [ "r60" ], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of vested portions of options outstanding and currently exercisable.", "label": "Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Intrinsic Value", "terseLabel": "Aggregate Intrinsic Value, Exercisable" } } }, "localname": "SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureStockBasedCompensationSummaryOfStockOptionActivityDetail" ], "xbrltype": "monetaryItemType" }, "us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1": { "auth_ref": [ "r60" ], "lang": { "en-us": { "role": { "documentation": "Weighted average remaining contractual term for vested portions of options outstanding and currently exercisable or convertible, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.", "label": "Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term", "terseLabel": "Weighted-Average Remaining Contractual Term, Exercisable" } } }, "localname": "SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureStockBasedCompensationSummaryOfStockOptionActivityDetail" ], "xbrltype": "durationItemType" }, "us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2": { "auth_ref": [ "r58" ], "lang": { "en-us": { "role": { "documentation": "Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.", "label": "Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term", "terseLabel": "Weighted-Average Remaining Contractual Term" } } }, "localname": "SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureStockBasedCompensationSummaryOfStockOptionActivityDetail" ], "xbrltype": "durationItemType" }, "us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageRemainingContractualTerm1": { "auth_ref": [ "r261" ], "lang": { "en-us": { "role": { "documentation": "Weighted average remaining contractual term for fully vested and expected to vest options outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.", "label": "Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Remaining Contractual Term", "terseLabel": "Weighted-Average Remaining Contractual Term, Vested and expected to vest" } } }, "localname": "SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageRemainingContractualTerm1", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureStockBasedCompensationSummaryOfStockOptionActivityDetail" ], "xbrltype": "durationItemType" }, "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/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_StatementConsolidatedStatementsOfStockholdersEquity" ], "xbrltype": "sharesItemType" }, "us-gaap_StateAndLocalJurisdictionMember": { "auth_ref": [], "lang": { "en-us": { "role": { "documentation": "Designated tax department of a state or local government entitled to levy and collect income taxes from the entity.", "label": "State and Local Jurisdiction [Member]", "terseLabel": "State [Member]" } } }, "localname": "StateAndLocalJurisdictionMember", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureIncomeTaxesAdditionalInformationDetail" ], "xbrltype": "domainItemType" }, "us-gaap_StatementClassOfStockAxis": { "auth_ref": [ "r101", "r102", "r103", "r118", "r139", "r140", "r141", "r143", "r150", "r151", "r179", "r197", "r199", "r200", "r201", "r204", "r205", "r208", "r209", "r212", "r216", "r223", "r320", "r352", "r383", "r391", "r397" ], "lang": { "en-us": { "role": { "documentation": "Information by the different classes of stock of the entity.", "label": "Class of Stock [Axis]", "terseLabel": "Class of Stock" } } }, "localname": "StatementClassOfStockAxis", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureCommonStockAdditionalInformationDetail" ], "xbrltype": "stringItemType" }, "us-gaap_StatementEquityComponentsAxis": { "auth_ref": [ "r15", "r45", "r94", "r110", "r111", "r112", "r123", "r124", "r125", "r127", "r133", "r135", "r149", "r180", "r225", "r275", "r276", "r277", "r292", "r293", "r310", "r321", "r322", "r323", "r324", "r325", "r326", "r328", "r345", "r346", "r347" ], "lang": { "en-us": { "role": { "documentation": "Information by component of equity.", "label": "Equity Components [Axis]", "terseLabel": "Accumulated Other Comprehensive Loss [Member]" } } }, "localname": "StatementEquityComponentsAxis", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_StatementConsolidatedStatementsOfStockholdersEquity" ], "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]", "terseLabel": "Statement [Line Items]" } } }, "localname": "StatementLineItems", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_StatementConsolidatedStatementsOfStockholdersEquity" ], "xbrltype": "stringItemType" }, "us-gaap_StatementOfCashFlowsAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Statement of Cash Flows [Abstract]" } } }, "localname": "StatementOfCashFlowsAbstract", "nsuri": "http://fasb.org/us-gaap/2022", "xbrltype": "stringItemType" }, "us-gaap_StatementOfFinancialPositionAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Statement of Financial Position [Abstract]" } } }, "localname": "StatementOfFinancialPositionAbstract", "nsuri": "http://fasb.org/us-gaap/2022", "xbrltype": "stringItemType" }, "us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Statement of Comprehensive Income [Abstract]" } } }, "localname": "StatementOfIncomeAndComprehensiveIncomeAbstract", "nsuri": "http://fasb.org/us-gaap/2022", "xbrltype": "stringItemType" }, "us-gaap_StatementOfStockholdersEquityAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Statement of Stockholders' Equity [Abstract]" } } }, "localname": "StatementOfStockholdersEquityAbstract", "nsuri": "http://fasb.org/us-gaap/2022", "xbrltype": "stringItemType" }, "us-gaap_StatementTable": { "auth_ref": [ "r123", "r124", "r125", "r149", "r337" ], "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]", "terseLabel": "Statement [Table]" } } }, "localname": "StatementTable", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_StatementConsolidatedStatementsOfStockholdersEquity" ], "xbrltype": "stringItemType" }, "us-gaap_StockCompensationPlanMember": { "auth_ref": [ "r398" ], "lang": { "en-us": { "role": { "documentation": "Share-based payment arrangement in which award of equity shares are granted. Arrangement includes, but is not limited to, grantor incurring liability for product and service based on price of its shares.", "label": "Share-Based Payment Arrangement [Member]", "terseLabel": "Outstanding Options to Purchase Common Stock [Member]" } } }, "localname": "StockCompensationPlanMember", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureNetLossPerCommonShareScheduleOfSecuritiesExcludedFromComputationOfDilutedLossPerShareDetail" ], "xbrltype": "domainItemType" }, "us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised": { "auth_ref": [ "r0", "r1", "r45", "r53", "r250" ], "lang": { "en-us": { "role": { "documentation": "Number of share options (or share units) exercised during the current period.", "label": "Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period", "negatedLabel": "Number of Options, Exercised", "terseLabel": "Exercise of stock options (in shares)" } } }, "localname": "StockIssuedDuringPeriodSharesStockOptionsExercised", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureStockBasedCompensationSummaryOfStockOptionActivityDetail", "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_StatementConsolidatedStatementsOfStockholdersEquity" ], "xbrltype": "sharesItemType" }, "us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised": { "auth_ref": [ "r15", "r45", "r53" ], "crdr": "credit", "lang": { "en-us": { "role": { "documentation": "Value of stock issued as a result of the exercise of stock options.", "label": "Stock Issued During Period, Value, Stock Options Exercised", "terseLabel": "Exercise of stock options" } } }, "localname": "StockIssuedDuringPeriodValueStockOptionsExercised", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_StatementConsolidatedStatementsOfStockholdersEquity" ], "xbrltype": "monetaryItemType" }, "us-gaap_StockholdersEquity": { "auth_ref": [ "r1", "r4", "r5", "r37", "r371", "r392", "r401", "r445" ], "calculation": { "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_StatementConsolidatedBalanceSheets": { "order": 2.0, "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 stockholders\u2019 equity" } } }, "localname": "StockholdersEquity", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_StatementConsolidatedBalanceSheets", "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_StatementConsolidatedStatementsOfStockholdersEquity" ], "xbrltype": "monetaryItemType" }, "us-gaap_StockholdersEquityAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Stockholders' Equity Attributable to Parent [Abstract]", "terseLabel": "Stockholders\u2019 equity:" } } }, "localname": "StockholdersEquityAbstract", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_StatementConsolidatedBalanceSheets" ], "xbrltype": "stringItemType" }, "us-gaap_StockholdersEquityNoteDisclosureTextBlock": { "auth_ref": [ "r54", "r117", "r209", "r211", "r212", "r213", "r214", "r215", "r216", "r217", "r218", "r219", "r220", "r222", "r225", "r309" ], "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": "Stockholders' Equity Note Disclosure [Text Block]", "terseLabel": "Common Stock" } } }, "localname": "StockholdersEquityNoteDisclosureTextBlock", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureCommonStock" ], "xbrltype": "textBlockItemType" }, "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]", "terseLabel": "Subsequent Event [Line Items]" } } }, "localname": "SubsequentEventLineItems", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureSubsequentEventsAdditionalInformationDetail" ], "xbrltype": "stringItemType" }, "us-gaap_SubsequentEventMember": { "auth_ref": [ "r327", "r330" ], "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]", "terseLabel": "Subsequent Event [Member]" } } }, "localname": "SubsequentEventMember", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureNatureOfBusinessAndSummaryOfSignificantAccountingPoliciesAdditionalInformationDetail", "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureSubsequentEventsAdditionalInformationDetail" ], "xbrltype": "domainItemType" }, "us-gaap_SubsequentEventTable": { "auth_ref": [ "r327", "r330" ], "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]", "terseLabel": "Subsequent Event [Table]" } } }, "localname": "SubsequentEventTable", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureSubsequentEventsAdditionalInformationDetail" ], "xbrltype": "stringItemType" }, "us-gaap_SubsequentEventTypeAxis": { "auth_ref": [ "r327", "r330" ], "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]", "terseLabel": "Subsequent Event Type" } } }, "localname": "SubsequentEventTypeAxis", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureNatureOfBusinessAndSummaryOfSignificantAccountingPoliciesAdditionalInformationDetail", "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureSubsequentEventsAdditionalInformationDetail" ], "xbrltype": "stringItemType" }, "us-gaap_SubsequentEventTypeDomain": { "auth_ref": [ "r327", "r330" ], "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]", "terseLabel": "Subsequent Event Type" } } }, "localname": "SubsequentEventTypeDomain", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureNatureOfBusinessAndSummaryOfSignificantAccountingPoliciesAdditionalInformationDetail", "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureSubsequentEventsAdditionalInformationDetail" ], "xbrltype": "domainItemType" }, "us-gaap_SubsequentEventsAbstract": { "auth_ref": [], "lang": { "en-us": { "role": { "label": "Subsequent Events [Abstract]" } } }, "localname": "SubsequentEventsAbstract", "nsuri": "http://fasb.org/us-gaap/2022", "xbrltype": "stringItemType" }, "us-gaap_SubsequentEventsTextBlock": { "auth_ref": [ "r329", "r331" ], "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 [Text Block]", "terseLabel": "Subsequent Events" } } }, "localname": "SubsequentEventsTextBlock", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureSubsequentEvents" ], "xbrltype": "textBlockItemType" }, "us-gaap_SummaryOfValuationAllowanceTextBlock": { "auth_ref": [ "r67" ], "lang": { "en-us": { "role": { "documentation": "Tabular disclosure of valuation allowances to reduce deferred tax assets to net realizable value, including identification of the deferred tax asset more likely than not will not be fully realized and the corresponding amount of the valuation allowance.", "label": "Summary of Valuation Allowance [Table Text Block]", "terseLabel": "Schedule of Changes in the Valuation Allowance" } } }, "localname": "SummaryOfValuationAllowanceTextBlock", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureIncomeTaxesTables" ], "xbrltype": "textBlockItemType" }, "us-gaap_TaxCreditCarryforwardAmount": { "auth_ref": [ "r69" ], "crdr": "debit", "lang": { "en-us": { "role": { "documentation": "The amount of the tax credit carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.", "label": "Tax Credit Carryforward, Amount", "terseLabel": "Amount of tax credit carryforward" } } }, "localname": "TaxCreditCarryforwardAmount", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureIncomeTaxesAdditionalInformationDetail" ], "xbrltype": "monetaryItemType" }, "us-gaap_TaxCreditCarryforwardAxis": { "auth_ref": [ "r70" ], "lang": { "en-us": { "role": { "documentation": "Information by specific tax credit related to an unused tax credit.", "label": "Tax Credit Carryforward [Axis]", "terseLabel": "Tax Credit Carryforward" } } }, "localname": "TaxCreditCarryforwardAxis", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureIncomeTaxesAdditionalInformationDetail" ], "xbrltype": "stringItemType" }, "us-gaap_TaxCreditCarryforwardNameDomain": { "auth_ref": [ "r70" ], "lang": { "en-us": { "role": { "documentation": "The name of the tax credit carryforward.", "label": "Tax Credit Carryforward, Name [Domain]", "terseLabel": "Tax Credit Carryforward, Name" } } }, "localname": "TaxCreditCarryforwardNameDomain", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureIncomeTaxesAdditionalInformationDetail" ], "xbrltype": "domainItemType" }, "us-gaap_TypeOfArrangementAxis": { "auth_ref": [ "r443" ], "lang": { "en-us": { "role": { "documentation": "Information by collaborative arrangement and arrangement other than collaborative applicable to revenue-generating activity or operations.", "label": "Collaborative Arrangement and Arrangement Other than Collaborative [Axis]", "terseLabel": "Collaborative Arrangement and Arrangement Other than Collaborative" } } }, "localname": "TypeOfArrangementAxis", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureCommonStockAdditionalInformationDetail", "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureNatureOfBusinessAndSummaryOfSignificantAccountingPoliciesAdditionalInformationDetail", "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureSubsequentEventsAdditionalInformationDetail" ], "xbrltype": "stringItemType" }, "us-gaap_TypeOfRestructuringDomain": { "auth_ref": [ "r182", "r183", "r188", "r189" ], "lang": { "en-us": { "role": { "documentation": "Identification of the types of restructuring costs.", "label": "Type of Restructuring [Domain]", "terseLabel": "Type of Restructuring" } } }, "localname": "TypeOfRestructuringDomain", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureRestructuringActivitiesSummaryOfChargesRelatedToRestructuringActivitiesDetail" ], "xbrltype": "domainItemType" }, "us-gaap_UseOfEstimates": { "auth_ref": [ "r33", "r34", "r35", "r152", "r153", "r155", "r156" ], "lang": { "en-us": { "role": { "documentation": "Disclosure of accounting policy for the use of estimates in the preparation of financial statements in conformity with generally accepted accounting principles.", "label": "Use of Estimates, Policy [Policy Text Block]", "terseLabel": "Use of Estimates" } } }, "localname": "UseOfEstimates", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_DisclosureNatureOfBusinessAndSummaryOfSignificantAccountingPoliciesPolicies" ], "xbrltype": "textBlockItemType" }, "us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding": { "auth_ref": [ "r138", "r143" ], "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 Shares Outstanding, Diluted", "terseLabel": "Weighted-average common shares used to compute diluted net loss per common share", "totalLabel": "Weighted Average Number of Shares Outstanding, Diluted, Total" } } }, "localname": "WeightedAverageNumberOfDilutedSharesOutstanding", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_StatementConsolidatedStatementsOfOperationsAndComprehensiveLoss" ], "xbrltype": "sharesItemType" }, "us-gaap_WeightedAverageNumberOfSharesOutstandingBasic": { "auth_ref": [ "r137", "r143" ], "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 Shares Outstanding, Basic", "terseLabel": "Weighted-average common shares used to compute basic net loss per common share", "totalLabel": "Weighted Average Number of Shares Outstanding, Basic, Total" } } }, "localname": "WeightedAverageNumberOfSharesOutstandingBasic", "nsuri": "http://fasb.org/us-gaap/2022", "presentation": [ "http://www.merrimackpharma.com/20221231/taxonomy/role/Role_StatementConsolidatedStatementsOfOperationsAndComprehensiveLoss" ], "xbrltype": "sharesItemType" } }, "unitCount": 6 } }, "std_ref": { "r0": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02(28))", "Topic": "210", "URI": "https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682", "role": "http://fasb.org/us-gaap/role/ref/legacyRef" }, "r1": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02(29))", "Topic": "210", "URI": "https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682", "role": "http://fasb.org/us-gaap/role/ref/legacyRef" }, "r10": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02.19-26)", "Topic": "210", "URI": "https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682", "role": "http://fasb.org/us-gaap/role/ref/legacyRef" }, "r100": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02(18))", "Topic": "210", "URI": "https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r101": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02(27)(b))", "Topic": "210", "URI": "https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r102": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02(28))", "Topic": "210", "URI": "https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r103": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02(29))", "Topic": "210", "URI": "https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r104": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02(9))", "Topic": "210", "URI": "https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r105": { "Name": "Accounting Standards Codification", "Paragraph": "1A", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "220", "URI": "https://asc.fasb.org/extlink&oid=126968391&loc=SL7669619-108580", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r106": { "Name": "Accounting Standards Codification", "Paragraph": "1A", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(c)", "Topic": "220", "URI": "https://asc.fasb.org/extlink&oid=126968391&loc=SL7669619-108580", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r107": { "Name": "Accounting Standards Codification", "Paragraph": "1B", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "220", "URI": "https://asc.fasb.org/extlink&oid=126968391&loc=SL7669625-108580", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r108": { "Name": "Accounting Standards Codification", "Paragraph": "1B", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "220", "URI": "https://asc.fasb.org/extlink&oid=126968391&loc=SL7669625-108580", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r109": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "220", "URI": "https://asc.fasb.org/extlink&oid=124431353&loc=SL116659661-227067", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r11": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02.20)", "Topic": "210", "URI": "https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682", "role": "http://fasb.org/us-gaap/role/ref/legacyRef" }, "r110": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "220", "URI": "https://asc.fasb.org/extlink&oid=124431353&loc=SL124442407-227067", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r111": { "Name": "Accounting Standards Codification", "Paragraph": "5", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "220", "URI": "https://asc.fasb.org/extlink&oid=124431353&loc=SL124442411-227067", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r112": { "Name": "Accounting Standards Codification", "Paragraph": "6", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "220", "URI": "https://asc.fasb.org/extlink&oid=124431353&loc=SL124452729-227067", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r113": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-03(24))", "Topic": "220", "URI": "https://asc.fasb.org/extlink&oid=126953954&loc=SL114868664-224227", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r114": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-03(25))", "Topic": "220", "URI": "https://asc.fasb.org/extlink&oid=126953954&loc=SL114868664-224227", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r115": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "230", "URI": "https://asc.fasb.org/extlink&oid=126954810&loc=d3e3000-108585", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r116": { "Name": "Accounting Standards Codification", "Paragraph": "24", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "230", "URI": "https://asc.fasb.org/extlink&oid=126954810&loc=d3e3521-108585", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r117": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.4-08(e)(1))", "Topic": "235", "URI": "https://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r118": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.4-08(g)(1)(ii))", "Topic": "235", "URI": "https://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r119": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.4-08(h)(2))", "Topic": "235", "URI": "https://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r12": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02.21)", "Topic": "210", "URI": "https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682", "role": "http://fasb.org/us-gaap/role/ref/legacyRef" }, "r120": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.4-08(h))", "Topic": "235", "URI": "https://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r121": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.4-08(m)(1)(iii))", "Topic": "235", "URI": "https://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r122": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.4-08(m)(2)(ii))", "Topic": "235", "URI": "https://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r123": { "Name": "Accounting Standards Codification", "Paragraph": "23", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "250", "URI": "https://asc.fasb.org/extlink&oid=124436220&loc=d3e21914-107793", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r124": { "Name": "Accounting Standards Codification", "Paragraph": "24", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "250", "URI": "https://asc.fasb.org/extlink&oid=124436220&loc=d3e21930-107793", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r125": { "Name": "Accounting Standards Codification", "Paragraph": "5", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "250", "URI": "https://asc.fasb.org/extlink&oid=124436220&loc=d3e21711-107793", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r126": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(b)(2)", "Topic": "250", "URI": "https://asc.fasb.org/extlink&oid=124431687&loc=d3e22499-107794", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r127": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(b)(3)", "Topic": "250", "URI": "https://asc.fasb.org/extlink&oid=124431687&loc=d3e22499-107794", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r128": { "Name": "Accounting Standards Codification", "Paragraph": "11", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "250", "URI": "https://asc.fasb.org/extlink&oid=124431687&loc=d3e22694-107794", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r129": { "Name": "Accounting Standards Codification", "Paragraph": "11", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "250", "URI": "https://asc.fasb.org/extlink&oid=124431687&loc=d3e22694-107794", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r13": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02.25)", "Topic": "210", "URI": "https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682", "role": "http://fasb.org/us-gaap/role/ref/legacyRef" }, "r130": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "250", "URI": "https://asc.fasb.org/extlink&oid=124431687&loc=d3e22583-107794", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r131": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "250", "URI": "https://asc.fasb.org/extlink&oid=124431687&loc=d3e22595-107794", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r132": { "Name": "Accounting Standards Codification", "Paragraph": "7", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "250", "URI": "https://asc.fasb.org/extlink&oid=124431687&loc=d3e22644-107794", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r133": { "Name": "Accounting Standards Codification", "Paragraph": "7", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "250", "URI": "https://asc.fasb.org/extlink&oid=124431687&loc=d3e22644-107794", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r134": { "Name": "Accounting Standards Codification", "Paragraph": "8", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "250", "URI": "https://asc.fasb.org/extlink&oid=124431687&loc=d3e22658-107794", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r135": { "Name": "Accounting Standards Codification", "Paragraph": "9", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "250", "URI": "https://asc.fasb.org/extlink&oid=124431687&loc=d3e22663-107794", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r136": { "Name": "Accounting Standards Codification", "Paragraph": "5", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SAB Topic 11.M.Q2)", "Topic": "250", "URI": "https://asc.fasb.org/extlink&oid=122038215&loc=d3e31137-122693", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r137": { "Name": "Accounting Standards Codification", "Paragraph": "10", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "260", "URI": "https://asc.fasb.org/extlink&oid=126958026&loc=d3e1448-109256", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r138": { "Name": "Accounting Standards Codification", "Paragraph": "16", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "260", "URI": "https://asc.fasb.org/extlink&oid=126958026&loc=d3e1505-109256", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r139": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "260", "URI": "https://asc.fasb.org/extlink&oid=126958026&loc=d3e1252-109256", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r14": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02.29)", "Topic": "210", "URI": "https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682", "role": "http://fasb.org/us-gaap/role/ref/legacyRef" }, "r140": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "260", "URI": "https://asc.fasb.org/extlink&oid=126958026&loc=d3e1278-109256", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r141": { "Name": "Accounting Standards Codification", "Paragraph": "60B", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(d)", "Topic": "260", "URI": "https://asc.fasb.org/extlink&oid=126958026&loc=SL5780133-109256", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r142": { "Name": "Accounting Standards Codification", "Paragraph": "7", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "260", "URI": "https://asc.fasb.org/extlink&oid=126958026&loc=d3e1337-109256", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r143": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "260", "URI": "https://asc.fasb.org/extlink&oid=124432515&loc=d3e3550-109257", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r144": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)", "Topic": "260", "URI": "https://asc.fasb.org/extlink&oid=124432515&loc=d3e3550-109257", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r145": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "260", "URI": "https://asc.fasb.org/extlink&oid=124432515&loc=d3e3630-109257", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r146": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "260", "URI": "https://asc.fasb.org/extlink&oid=109243012&loc=SL65017193-207537", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r147": { "Name": "Accounting Standards Codification", "Paragraph": "15", "Publisher": "FASB", "Section": "55", "SubTopic": "10", "Topic": "260", "URI": "https://asc.fasb.org/extlink&oid=128363288&loc=d3e3842-109258", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r148": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "260", "URI": "https://asc.fasb.org/topic&trid=2144383", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r149": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "272", "URI": "https://asc.fasb.org/extlink&oid=125520817&loc=d3e70191-108054", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r15": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02.29-31)", "Topic": "210", "URI": "https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682", "role": "http://fasb.org/us-gaap/role/ref/legacyRef" }, "r150": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "272", "URI": "https://asc.fasb.org/extlink&oid=6373374&loc=d3e70434-108055", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r151": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "272", "URI": "https://asc.fasb.org/extlink&oid=6373374&loc=d3e70478-108055", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r152": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "275", "URI": "https://asc.fasb.org/extlink&oid=99393423&loc=d3e5967-108592", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r153": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)", "Topic": "275", "URI": "https://asc.fasb.org/extlink&oid=99393423&loc=d3e5967-108592", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r154": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(d)", "Topic": "275", "URI": "https://asc.fasb.org/extlink&oid=99393423&loc=d3e5967-108592", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r155": { "Name": "Accounting Standards Codification", "Paragraph": "11", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "275", "URI": "https://asc.fasb.org/extlink&oid=99393423&loc=d3e6161-108592", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r156": { "Name": "Accounting Standards Codification", "Paragraph": "12", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "275", "URI": "https://asc.fasb.org/extlink&oid=99393423&loc=d3e6191-108592", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r157": { "Name": "Accounting Standards Codification", "Paragraph": "22", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "280", "URI": "https://asc.fasb.org/extlink&oid=126901519&loc=d3e8736-108599", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r158": { "Name": "Accounting Standards Codification", "Paragraph": "22", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "280", "URI": "https://asc.fasb.org/extlink&oid=126901519&loc=d3e8736-108599", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r159": { "Name": "Accounting Standards Codification", "Paragraph": "22", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)", "Topic": "280", "URI": "https://asc.fasb.org/extlink&oid=126901519&loc=d3e8736-108599", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r16": { "Name": "Accounting Standards Codification", "Paragraph": "5", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "220", "URI": "https://asc.fasb.org/extlink&oid=126968391&loc=d3e557-108580", "role": "http://fasb.org/us-gaap/role/ref/legacyRef" }, "r160": { "Name": "Accounting Standards Codification", "Paragraph": "22", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(h)", "Topic": "280", "URI": "https://asc.fasb.org/extlink&oid=126901519&loc=d3e8736-108599", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r161": { "Name": "Accounting Standards Codification", "Paragraph": "22", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "280", "URI": "https://asc.fasb.org/extlink&oid=126901519&loc=d3e8736-108599", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r162": { "Name": "Accounting Standards Codification", "Paragraph": "29", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "280", "URI": "https://asc.fasb.org/extlink&oid=126901519&loc=d3e8864-108599", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r163": { "Name": "Accounting Standards Codification", "Paragraph": "29", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "280", "URI": "https://asc.fasb.org/extlink&oid=126901519&loc=d3e8864-108599", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r164": { "Name": "Accounting Standards Codification", "Paragraph": "29", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)", "Topic": "280", "URI": "https://asc.fasb.org/extlink&oid=126901519&loc=d3e8864-108599", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r165": { "Name": "Accounting Standards Codification", "Paragraph": "29", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(d)", "Topic": "280", "URI": "https://asc.fasb.org/extlink&oid=126901519&loc=d3e8864-108599", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r166": { "Name": "Accounting Standards Codification", "Paragraph": "29", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(e)", "Topic": "280", "URI": "https://asc.fasb.org/extlink&oid=126901519&loc=d3e8864-108599", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r167": { "Name": "Accounting Standards Codification", "Paragraph": "29", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "280", "URI": "https://asc.fasb.org/extlink&oid=126901519&loc=d3e8864-108599", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r168": { "Name": "Accounting Standards Codification", "Paragraph": "30", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "280", "URI": "https://asc.fasb.org/extlink&oid=126901519&loc=d3e8906-108599", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r169": { "Name": "Accounting Standards Codification", "Paragraph": "30", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "280", "URI": "https://asc.fasb.org/extlink&oid=126901519&loc=d3e8906-108599", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r17": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-03(10))", "Topic": "220", "URI": "https://asc.fasb.org/extlink&oid=126953954&loc=SL114868664-224227", "role": "http://fasb.org/us-gaap/role/ref/legacyRef" }, "r170": { "Name": "Accounting Standards Codification", "Paragraph": "30", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)", "Topic": "280", "URI": "https://asc.fasb.org/extlink&oid=126901519&loc=d3e8906-108599", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r171": { "Name": "Accounting Standards Codification", "Paragraph": "32", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "280", "URI": "https://asc.fasb.org/extlink&oid=126901519&loc=d3e8933-108599", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r172": { "Name": "Accounting Standards Codification", "Paragraph": "32", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "280", "URI": "https://asc.fasb.org/extlink&oid=126901519&loc=d3e8933-108599", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r173": { "Name": "Accounting Standards Codification", "Paragraph": "32", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)", "Topic": "280", "URI": "https://asc.fasb.org/extlink&oid=126901519&loc=d3e8933-108599", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r174": { "Name": "Accounting Standards Codification", "Paragraph": "32", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(d)", "Topic": "280", "URI": "https://asc.fasb.org/extlink&oid=126901519&loc=d3e8933-108599", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r175": { "Name": "Accounting Standards Codification", "Paragraph": "32", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(f)", "Topic": "280", "URI": "https://asc.fasb.org/extlink&oid=126901519&loc=d3e8933-108599", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r176": { "Name": "Accounting Standards Codification", "Paragraph": "40", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "280", "URI": "https://asc.fasb.org/extlink&oid=126901519&loc=d3e9031-108599", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r177": { "Name": "Accounting Standards Codification", "Paragraph": "41", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "280", "URI": "https://asc.fasb.org/extlink&oid=126901519&loc=d3e9038-108599", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r178": { "Name": "Accounting Standards Codification", "Paragraph": "42", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "280", "URI": "https://asc.fasb.org/extlink&oid=126901519&loc=d3e9054-108599", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r179": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)", "Topic": "323", "URI": "https://asc.fasb.org/extlink&oid=114001798&loc=d3e33918-111571", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r18": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-03.4)", "Topic": "220", "URI": "https://asc.fasb.org/extlink&oid=126953954&loc=SL114868664-224227", "role": "http://fasb.org/us-gaap/role/ref/legacyRef" }, "r180": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "65", "SubTopic": "10", "Subparagraph": "(d)", "Topic": "326", "URI": "https://asc.fasb.org/extlink&oid=122640432&loc=SL121648383-210437", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r181": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "420", "URI": "https://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r182": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(b)(1)", "Topic": "420", "URI": "https://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r183": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(b)(2)", "Topic": "420", "URI": "https://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r184": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)", "Topic": "420", "URI": "https://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r185": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(d)", "Topic": "420", "URI": "https://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r186": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(e)", "Topic": "420", "URI": "https://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r187": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SAB Topic 5.P.3)", "Topic": "420", "URI": "https://asc.fasb.org/extlink&oid=115931487&loc=d3e140864-122747", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r188": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SAB Topic 5.P.4(b)(1))", "Topic": "420", "URI": "https://asc.fasb.org/extlink&oid=115931487&loc=d3e140904-122747", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r189": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SAB Topic 5.P.4(b)(2))", "Topic": "420", "URI": "https://asc.fasb.org/extlink&oid=115931487&loc=d3e140904-122747", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r19": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-03.7(b))", "Topic": "220", "URI": "https://asc.fasb.org/extlink&oid=126953954&loc=SL114868664-224227", "role": "http://fasb.org/us-gaap/role/ref/legacyRef" }, "r190": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SAB Topic 5.P.4(d))", "Topic": "420", "URI": "https://asc.fasb.org/extlink&oid=115931487&loc=d3e140904-122747", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r191": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SAB Topic 5.P.4(e))", "Topic": "420", "URI": "https://asc.fasb.org/extlink&oid=115931487&loc=d3e140904-122747", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r192": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "420", "URI": "https://asc.fasb.org/topic&trid=2175745", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r193": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(b)", "Topic": "450", "URI": "https://asc.fasb.org/extlink&oid=121557415&loc=d3e14435-108349", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r194": { "Name": "Accounting Standards Codification", "Paragraph": "9", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(b)", "Topic": "450", "URI": "https://asc.fasb.org/extlink&oid=121557415&loc=d3e14557-108349", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r195": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "20", "Subparagraph": "(SAB Topic 5.Y.Q2)", "Topic": "450", "URI": "https://asc.fasb.org/extlink&oid=27011672&loc=d3e149879-122751", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r196": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "20", "Subparagraph": "(SAB Topic 5.Y.Q4)", "Topic": "450", "URI": "https://asc.fasb.org/extlink&oid=27011672&loc=d3e149879-122751", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r197": { "Name": "Accounting Standards Codification", "Paragraph": "1A", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.13-01(a)(4)(i))", "Topic": "470", "URI": "https://asc.fasb.org/extlink&oid=126975872&loc=SL124442526-122756", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r198": { "Name": "Accounting Standards Codification", "Paragraph": "1A", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.13-01(a)(4)(iii)(A))", "Topic": "470", "URI": "https://asc.fasb.org/extlink&oid=126975872&loc=SL124442526-122756", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r199": { "Name": "Accounting Standards Codification", "Paragraph": "1A", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.13-01(a)(4)(iv))", "Topic": "470", "URI": "https://asc.fasb.org/extlink&oid=126975872&loc=SL124442526-122756", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r2": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02(30)(a)(1))", "Topic": "210", "URI": "https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682", "role": "http://fasb.org/us-gaap/role/ref/legacyRef" }, "r20": { "Name": "Accounting Standards Codification", "Paragraph": "14", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "230", "URI": "https://asc.fasb.org/extlink&oid=126954810&loc=d3e3255-108585", "role": "http://fasb.org/us-gaap/role/ref/legacyRef" }, "r200": { "Name": "Accounting Standards Codification", "Paragraph": "1A", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.13-01(a)(5))", "Topic": "470", "URI": "https://asc.fasb.org/extlink&oid=126975872&loc=SL124442526-122756", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r201": { "Name": "Accounting Standards Codification", "Paragraph": "1B", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.13-02(a)(4)(i))", "Topic": "470", "URI": "https://asc.fasb.org/extlink&oid=126975872&loc=SL124442552-122756", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r202": { "Name": "Accounting Standards Codification", "Paragraph": "1B", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.13-02(a)(4)(iii)(A))", "Topic": "470", "URI": "https://asc.fasb.org/extlink&oid=126975872&loc=SL124442552-122756", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r203": { "Name": "Accounting Standards Codification", "Paragraph": "1B", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.13-02(a)(4)(iii)(B))", "Topic": "470", "URI": "https://asc.fasb.org/extlink&oid=126975872&loc=SL124442552-122756", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r204": { "Name": "Accounting Standards Codification", "Paragraph": "1B", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.13-02(a)(4)(iv))", "Topic": "470", "URI": "https://asc.fasb.org/extlink&oid=126975872&loc=SL124442552-122756", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r205": { "Name": "Accounting Standards Codification", "Paragraph": "1B", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.13-02(a)(5))", "Topic": "470", "URI": "https://asc.fasb.org/extlink&oid=126975872&loc=SL124442552-122756", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r206": { "Name": "Accounting Standards Codification", "Paragraph": "1B", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(e)", "Topic": "470", "URI": "https://asc.fasb.org/extlink&oid=123466505&loc=SL123495323-112611", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r207": { "Name": "Accounting Standards Codification", "Paragraph": "1D", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(c)", "Topic": "470", "URI": "https://asc.fasb.org/extlink&oid=123466505&loc=SL123495340-112611", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r208": { "Name": "Accounting Standards Codification", "Paragraph": "13", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "505", "URI": "https://asc.fasb.org/extlink&oid=126973232&loc=SL123496158-112644", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r209": { "Name": "Accounting Standards Codification", "Paragraph": "13", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "505", "URI": "https://asc.fasb.org/extlink&oid=126973232&loc=SL123496158-112644", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r21": { "Name": "Accounting Standards Codification", "Paragraph": "24", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "230", "URI": "https://asc.fasb.org/extlink&oid=126954810&loc=d3e3521-108585", "role": "http://fasb.org/us-gaap/role/ref/legacyRef" }, "r210": { "Name": "Accounting Standards Codification", "Paragraph": "13", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(e)", "Topic": "505", "URI": "https://asc.fasb.org/extlink&oid=126973232&loc=SL123496158-112644", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r211": { "Name": "Accounting Standards Codification", "Paragraph": "13", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(g)", "Topic": "505", "URI": "https://asc.fasb.org/extlink&oid=126973232&loc=SL123496158-112644", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r212": { "Name": "Accounting Standards Codification", "Paragraph": "13", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(h)", "Topic": "505", "URI": "https://asc.fasb.org/extlink&oid=126973232&loc=SL123496158-112644", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r213": { "Name": "Accounting Standards Codification", "Paragraph": "13", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(i)", "Topic": "505", "URI": "https://asc.fasb.org/extlink&oid=126973232&loc=SL123496158-112644", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r214": { "Name": "Accounting Standards Codification", "Paragraph": "13", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "505", "URI": "https://asc.fasb.org/extlink&oid=126973232&loc=SL123496158-112644", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r215": { "Name": "Accounting Standards Codification", "Paragraph": "14", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "505", "URI": "https://asc.fasb.org/extlink&oid=126973232&loc=SL123496171-112644", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r216": { "Name": "Accounting Standards Codification", "Paragraph": "14", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "505", "URI": "https://asc.fasb.org/extlink&oid=126973232&loc=SL123496171-112644", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r217": { "Name": "Accounting Standards Codification", "Paragraph": "14", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)", "Topic": "505", "URI": "https://asc.fasb.org/extlink&oid=126973232&loc=SL123496171-112644", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r218": { "Name": "Accounting Standards Codification", "Paragraph": "16", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "505", "URI": "https://asc.fasb.org/extlink&oid=126973232&loc=SL123496180-112644", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r219": { "Name": "Accounting Standards Codification", "Paragraph": "18", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "505", "URI": "https://asc.fasb.org/extlink&oid=126973232&loc=SL123496189-112644", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r22": { "Name": "Accounting Standards Codification", "Paragraph": "25", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "230", "URI": "https://asc.fasb.org/extlink&oid=126954810&loc=d3e3536-108585", "role": "http://fasb.org/us-gaap/role/ref/legacyRef" }, "r220": { "Name": "Accounting Standards Codification", "Paragraph": "18", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "505", "URI": "https://asc.fasb.org/extlink&oid=126973232&loc=SL123496189-112644", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r221": { "Name": "Accounting Standards Codification", "Paragraph": "18", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)", "Topic": "505", "URI": "https://asc.fasb.org/extlink&oid=126973232&loc=SL123496189-112644", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r222": { "Name": "Accounting Standards Codification", "Paragraph": "18", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(d)", "Topic": "505", "URI": "https://asc.fasb.org/extlink&oid=126973232&loc=SL123496189-112644", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r223": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "505", "URI": "https://asc.fasb.org/extlink&oid=126973232&loc=d3e21463-112644", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r224": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "505", "URI": "https://asc.fasb.org/extlink&oid=126973232&loc=d3e21475-112644", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r225": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.3-04)", "Topic": "505", "URI": "https://asc.fasb.org/extlink&oid=120397183&loc=d3e187085-122770", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r226": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "606", "URI": "https://asc.fasb.org/extlink&oid=126920106&loc=SL49130543-203045", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r227": { "Name": "Accounting Standards Codification", "Paragraph": "5", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "606", "URI": "https://asc.fasb.org/extlink&oid=126920106&loc=SL49130545-203045", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r228": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(d)(i)", "Topic": "715", "URI": "https://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r229": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(d)(iv)(01)", "Topic": "715", "URI": "https://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r23": { "Name": "Accounting Standards Codification", "Paragraph": "28", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "230", "URI": "https://asc.fasb.org/extlink&oid=126954810&loc=d3e3602-108585", "role": "http://fasb.org/us-gaap/role/ref/legacyRef" }, "r230": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(d)(iv)(02)", "Topic": "715", "URI": "https://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r231": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(d)(iv)(02)(A)", "Topic": "715", "URI": "https://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r232": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(d)(iv)(02)(B)", "Topic": "715", "URI": "https://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r233": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(d)(iv)(02)(C)", "Topic": "715", "URI": "https://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r234": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(d)(iv)(03)", "Topic": "715", "URI": "https://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r235": { "Name": "Accounting Standards Codification", "Paragraph": "5", "Publisher": "FASB", "Section": "50", "SubTopic": "80", "Subparagraph": "(d)", "Topic": "715", "URI": "https://asc.fasb.org/extlink&oid=65877416&loc=SL14450657-114947", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r236": { "Name": "Accounting Standards Codification", "Paragraph": "5", "Publisher": "FASB", "Section": "50", "SubTopic": "80", "Subparagraph": "(f)(3)", "Topic": "715", "URI": "https://asc.fasb.org/extlink&oid=65877416&loc=SL14450657-114947", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r237": { "Name": "Accounting Standards Codification", "Paragraph": "1D", "Publisher": "FASB", "Section": "35", "SubTopic": "10", "Topic": "718", "URI": "https://asc.fasb.org/extlink&oid=126961718&loc=SL116886442-113899", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r238": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "35", "SubTopic": "10", "Topic": "718", "URI": "https://asc.fasb.org/extlink&oid=126961718&loc=d3e4534-113899", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r239": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "35", "SubTopic": "10", "Topic": "718", "URI": "https://asc.fasb.org/extlink&oid=126961718&loc=d3e4549-113899", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r24": { "Name": "Accounting Standards Codification", "Paragraph": "28", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "230", "URI": "https://asc.fasb.org/extlink&oid=126954810&loc=d3e3602-108585", "role": "http://fasb.org/us-gaap/role/ref/legacyRef" }, "r240": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "718", "URI": "https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r241": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)(1)", "Topic": "718", "URI": "https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r242": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)(2)", "Topic": "718", "URI": "https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r243": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)(3)", "Topic": "718", "URI": "https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r244": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "718", "URI": "https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r245": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)(1)(i)", "Topic": "718", "URI": "https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r246": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)(1)(ii)", "Topic": "718", "URI": "https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r247": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)(1)(iii)", "Topic": "718", "URI": "https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r248": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)(1)(iv)", "Topic": "718", "URI": "https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r249": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)(1)(iv)(01)", "Topic": "718", "URI": "https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r25": { "Name": "Accounting Standards Codification", "Paragraph": "28", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "230", "URI": "https://asc.fasb.org/extlink&oid=126954810&loc=d3e3602-108585", "role": "http://fasb.org/us-gaap/role/ref/legacyRef" }, "r250": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)(1)(iv)(02)", "Topic": "718", "URI": "https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r251": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)(1)(iv)(03)", "Topic": "718", "URI": "https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r252": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)(1)(iv)(04)", "Topic": "718", "URI": "https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r253": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)(2)(i)", "Topic": "718", "URI": "https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r254": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)(2)(ii)", "Topic": "718", "URI": "https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r255": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)(2)(iii)", "Topic": "718", "URI": "https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r256": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)(2)(iii)(01)", "Topic": "718", "URI": "https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r257": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)(2)(iii)(02)", "Topic": "718", "URI": "https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r258": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)(2)(iii)(03)", "Topic": "718", "URI": "https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r259": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(d)(1)", "Topic": "718", "URI": "https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r26": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "230", "URI": "https://asc.fasb.org/extlink&oid=126954810&loc=d3e3044-108585", "role": "http://fasb.org/us-gaap/role/ref/legacyRef" }, "r260": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(d)(2)", "Topic": "718", "URI": "https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r261": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(e)(1)", "Topic": "718", "URI": "https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r262": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(e)(2)", "Topic": "718", "URI": "https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r263": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(f)(1)", "Topic": "718", "URI": "https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r264": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(f)(2)", "Topic": "718", "URI": "https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r265": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(f)(2)(i)", "Topic": "718", "URI": "https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r266": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(f)(2)(ii)", "Topic": "718", "URI": "https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r267": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(f)(2)(iii)", "Topic": "718", "URI": "https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r268": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(f)(2)(iv)", "Topic": "718", "URI": "https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r269": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(f)(2)(v)", "Topic": "718", "URI": "https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r27": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "230", "URI": "https://asc.fasb.org/extlink&oid=126999549&loc=d3e4273-108586", "role": "http://fasb.org/us-gaap/role/ref/legacyRef" }, "r270": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(h)(1)(i)", "Topic": "718", "URI": "https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r271": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(h)(2)", "Topic": "718", "URI": "https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r272": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(h)(2)(i)", "Topic": "718", "URI": "https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r273": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(i)", "Topic": "718", "URI": "https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r274": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(l)", "Topic": "718", "URI": "https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r275": { "Name": "Accounting Standards Codification", "Paragraph": "15", "Publisher": "FASB", "Section": "65", "SubTopic": "10", "Subparagraph": "(e)", "Topic": "718", "URI": "https://asc.fasb.org/extlink&oid=128097895&loc=SL121327923-165333", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r276": { "Name": "Accounting Standards Codification", "Paragraph": "15", "Publisher": "FASB", "Section": "65", "SubTopic": "10", "Subparagraph": "(f)(1)", "Topic": "718", "URI": "https://asc.fasb.org/extlink&oid=128097895&loc=SL121327923-165333", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r277": { "Name": "Accounting Standards Codification", "Paragraph": "15", "Publisher": "FASB", "Section": "65", "SubTopic": "10", "Subparagraph": "(f)(2)", "Topic": "718", "URI": "https://asc.fasb.org/extlink&oid=128097895&loc=SL121327923-165333", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r278": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SAB Topic 14.D.2.Q6)", "Topic": "718", "URI": "https://asc.fasb.org/extlink&oid=122041274&loc=d3e301413-122809", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r279": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "718", "URI": "https://asc.fasb.org/topic&trid=2228938", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r28": { "Name": "Accounting Standards Codification", "Paragraph": "8", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "230", "URI": "https://asc.fasb.org/extlink&oid=126999549&loc=SL98516268-108586", "role": "http://fasb.org/us-gaap/role/ref/legacyRef" }, "r280": { "Name": "Accounting Standards Codification", "Paragraph": "25", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "740", "URI": "https://asc.fasb.org/extlink&oid=123427490&loc=d3e32247-109318", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r281": { "Name": "Accounting Standards Codification", "Paragraph": "28", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "740", "URI": "https://asc.fasb.org/extlink&oid=123427490&loc=d3e32280-109318", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r282": { "Name": "Accounting Standards Codification", "Paragraph": "10", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "740", "URI": "https://asc.fasb.org/extlink&oid=121826272&loc=d3e32672-109319", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r283": { "Name": "Accounting Standards Codification", "Paragraph": "12", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "740", "URI": "https://asc.fasb.org/extlink&oid=121826272&loc=d3e32687-109319", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r284": { "Name": "Accounting Standards Codification", "Paragraph": "14", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "740", "URI": "https://asc.fasb.org/extlink&oid=121826272&loc=d3e32705-109319", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r285": { "Name": "Accounting Standards Codification", "Paragraph": "17", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "740", "URI": "https://asc.fasb.org/extlink&oid=121826272&loc=d3e32809-109319", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r286": { "Name": "Accounting Standards Codification", "Paragraph": "19", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "740", "URI": "https://asc.fasb.org/extlink&oid=121826272&loc=d3e32840-109319", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r287": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "740", "URI": "https://asc.fasb.org/extlink&oid=121826272&loc=d3e32537-109319", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r288": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)", "Topic": "740", "URI": "https://asc.fasb.org/extlink&oid=121826272&loc=d3e32537-109319", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r289": { "Name": "Accounting Standards Codification", "Paragraph": "20", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "740", "URI": "https://asc.fasb.org/extlink&oid=121826272&loc=d3e32847-109319", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r29": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "235", "URI": "https://asc.fasb.org/topic&trid=2122369", "role": "http://fasb.org/us-gaap/role/ref/legacyRef" }, "r290": { "Name": "Accounting Standards Codification", "Paragraph": "21", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "740", "URI": "https://asc.fasb.org/extlink&oid=121826272&loc=d3e32857-109319", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r291": { "Name": "Accounting Standards Codification", "Paragraph": "9", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "740", "URI": "https://asc.fasb.org/extlink&oid=121826272&loc=d3e32639-109319", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r292": { "Name": "Accounting Standards Codification", "Paragraph": "8", "Publisher": "FASB", "Section": "65", "SubTopic": "10", "Subparagraph": "(d)(2)", "Topic": "740", "URI": "https://asc.fasb.org/extlink&oid=126983759&loc=SL121830611-158277", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r293": { "Name": "Accounting Standards Codification", "Paragraph": "8", "Publisher": "FASB", "Section": "65", "SubTopic": "10", "Subparagraph": "(d)(3)", "Topic": "740", "URI": "https://asc.fasb.org/extlink&oid=126983759&loc=SL121830611-158277", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r294": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SAB TOPIC 6.I.5.Q1)", "Topic": "740", "URI": "https://asc.fasb.org/extlink&oid=122134291&loc=d3e330036-122817", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r295": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SAB TOPIC 6.I.7)", "Topic": "740", "URI": "https://asc.fasb.org/extlink&oid=122134291&loc=d3e330036-122817", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r296": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SAB Topic 6.I.Fact.4)", "Topic": "740", "URI": "https://asc.fasb.org/extlink&oid=122134291&loc=d3e330036-122817", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r297": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SAB Topic 11.C)", "Topic": "740", "URI": "https://asc.fasb.org/extlink&oid=122134291&loc=d3e330215-122817", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r298": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "45", "SubTopic": "20", "Subparagraph": "(a)", "Topic": "740", "URI": "https://asc.fasb.org/extlink&oid=123586238&loc=d3e38679-109324", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r299": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "270", "Topic": "740", "URI": "https://asc.fasb.org/extlink&oid=6424409&loc=d3e44925-109338", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r3": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02(30)(a)(3))", "Topic": "210", "URI": "https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682", "role": "http://fasb.org/us-gaap/role/ref/legacyRef" }, "r30": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "250", "URI": "https://asc.fasb.org/topic&trid=2122394", "role": "http://fasb.org/us-gaap/role/ref/legacyRef" }, "r300": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "30", "Subparagraph": "(a)", "Topic": "740", "URI": "https://asc.fasb.org/extlink&oid=6424122&loc=d3e41874-109331", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r301": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "740", "URI": "https://asc.fasb.org/topic&trid=2144680", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r302": { "Name": "Accounting Standards Codification", "Paragraph": "19", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "810", "URI": "https://asc.fasb.org/extlink&oid=126929396&loc=SL4569616-111683", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r303": { "Name": "Accounting Standards Codification", "Paragraph": "25", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "810", "URI": "https://asc.fasb.org/extlink&oid=116870748&loc=SL6758485-165988", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r304": { "Name": "Accounting Standards Codification", "Paragraph": "25", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "810", "URI": "https://asc.fasb.org/extlink&oid=116870748&loc=SL6758485-165988", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r305": { "Name": "Accounting Standards Codification", "Paragraph": "1A", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)(1)", "Topic": "810", "URI": "https://asc.fasb.org/extlink&oid=109239629&loc=SL4573702-111684", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r306": { "Name": "Accounting Standards Codification", "Paragraph": "1A", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)(1)", "Topic": "810", "URI": "https://asc.fasb.org/extlink&oid=109239629&loc=SL4573702-111684", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r307": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(bb)", "Topic": "810", "URI": "https://asc.fasb.org/extlink&oid=123419778&loc=d3e5710-111685", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r308": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)", "Topic": "810", "URI": "https://asc.fasb.org/extlink&oid=123419778&loc=d3e5710-111685", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r309": { "Name": "Accounting Standards Codification", "Paragraph": "6", "Publisher": "FASB", "Section": "50", "SubTopic": "40", "Subparagraph": "(a)", "Topic": "815", "URI": "https://asc.fasb.org/extlink&oid=126731327&loc=SL126733271-114008", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r31": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)", "Topic": "260", "URI": "https://asc.fasb.org/extlink&oid=124432515&loc=d3e3550-109257", "role": "http://fasb.org/us-gaap/role/ref/legacyRef" }, "r310": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "65", "SubTopic": "40", "Subparagraph": "(e)(3)", "Topic": "815", "URI": "https://asc.fasb.org/extlink&oid=126732423&loc=SL123482106-238011", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r311": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "65", "SubTopic": "40", "Subparagraph": "(e)(4)", "Topic": "815", "URI": "https://asc.fasb.org/extlink&oid=126732423&loc=SL123482106-238011", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r312": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "65", "SubTopic": "40", "Subparagraph": "(f)", "Topic": "815", "URI": "https://asc.fasb.org/extlink&oid=126732423&loc=SL123482106-238011", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r313": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "820", "URI": "https://asc.fasb.org/extlink&oid=126976982&loc=d3e19207-110258", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r314": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "820", "URI": "https://asc.fasb.org/extlink&oid=126976982&loc=d3e19207-110258", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r315": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(bbb)(1)", "Topic": "820", "URI": "https://asc.fasb.org/extlink&oid=126976982&loc=d3e19207-110258", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r316": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(bbb)(2)", "Topic": "820", "URI": "https://asc.fasb.org/extlink&oid=126976982&loc=d3e19207-110258", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r317": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "820", "URI": "https://asc.fasb.org/extlink&oid=126976982&loc=d3e19207-110258", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r318": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "820", "URI": "https://asc.fasb.org/extlink&oid=126976982&loc=d3e19279-110258", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r319": { "Name": "Accounting Standards Codification", "Paragraph": "6A", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "820", "URI": "https://asc.fasb.org/extlink&oid=126976982&loc=SL6742756-110258", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r32": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "260", "URI": "https://asc.fasb.org/extlink&oid=124432515&loc=d3e3630-109257", "role": "http://fasb.org/us-gaap/role/ref/legacyRef" }, "r320": { "Name": "Accounting Standards Codification", "Paragraph": "28", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(f)", "Topic": "825", "URI": "https://asc.fasb.org/extlink&oid=123596393&loc=d3e14064-108612", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r321": { "Name": "Accounting Standards Codification", "Paragraph": "17", "Publisher": "FASB", "Section": "45", "SubTopic": "30", "Topic": "830", "URI": "https://asc.fasb.org/extlink&oid=118261656&loc=d3e32136-110900", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r322": { "Name": "Accounting Standards Codification", "Paragraph": "20", "Publisher": "FASB", "Section": "45", "SubTopic": "30", "Subparagraph": "(a)", "Topic": "830", "URI": "https://asc.fasb.org/extlink&oid=118261656&loc=d3e32211-110900", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r323": { "Name": "Accounting Standards Codification", "Paragraph": "20", "Publisher": "FASB", "Section": "45", "SubTopic": "30", "Subparagraph": "(b)", "Topic": "830", "URI": "https://asc.fasb.org/extlink&oid=118261656&loc=d3e32211-110900", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r324": { "Name": "Accounting Standards Codification", "Paragraph": "20", "Publisher": "FASB", "Section": "45", "SubTopic": "30", "Subparagraph": "(c)", "Topic": "830", "URI": "https://asc.fasb.org/extlink&oid=118261656&loc=d3e32211-110900", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r325": { "Name": "Accounting Standards Codification", "Paragraph": "20", "Publisher": "FASB", "Section": "45", "SubTopic": "30", "Subparagraph": "(d)", "Topic": "830", "URI": "https://asc.fasb.org/extlink&oid=118261656&loc=d3e32211-110900", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r326": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "30", "Topic": "830", "URI": "https://asc.fasb.org/extlink&oid=6450520&loc=d3e32583-110901", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r327": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "30", "Topic": "830", "URI": "https://asc.fasb.org/extlink&oid=6450520&loc=d3e32618-110901", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r328": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "65", "SubTopic": "10", "Subparagraph": "(a)(3)(iii)(03)", "Topic": "848", "URI": "https://asc.fasb.org/extlink&oid=125980421&loc=SL125981372-237846", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r329": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "855", "URI": "https://asc.fasb.org/extlink&oid=6842918&loc=SL6314017-165662", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r33": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "275", "URI": "https://asc.fasb.org/extlink&oid=99393423&loc=d3e6061-108592", "role": "http://fasb.org/us-gaap/role/ref/legacyRef" }, "r330": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "855", "URI": "https://asc.fasb.org/extlink&oid=6842918&loc=SL6314017-165662", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r331": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "855", "URI": "https://asc.fasb.org/topic&trid=2122774", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r332": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(bb)(1)", "Topic": "860", "URI": "https://asc.fasb.org/extlink&oid=121570589&loc=d3e107207-111719", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r333": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(bb)(2)", "Topic": "860", "URI": "https://asc.fasb.org/extlink&oid=121570589&loc=d3e107207-111719", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r334": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(bb)(3)", "Topic": "860", "URI": "https://asc.fasb.org/extlink&oid=121570589&loc=d3e107207-111719", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r335": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(c)(1)", "Topic": "860", "URI": "https://asc.fasb.org/extlink&oid=121570589&loc=d3e107207-111719", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r336": { "Name": "Accounting Standards Codification", "Paragraph": "6", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "910", "URI": "https://asc.fasb.org/extlink&oid=126937589&loc=SL119991595-234733", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r337": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SAB Topic 11.L)", "Topic": "924", "URI": "https://asc.fasb.org/extlink&oid=6472922&loc=d3e499488-122856", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r338": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "220", "Subparagraph": "(SX 210.9-04(26))", "Topic": "942", "URI": "https://asc.fasb.org/extlink&oid=120399700&loc=SL114874048-224260", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r339": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "220", "Subparagraph": "(SX 210.9-04(27))", "Topic": "942", "URI": "https://asc.fasb.org/extlink&oid=120399700&loc=SL114874048-224260", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r34": { "Name": "Accounting Standards Codification", "Paragraph": "8", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "275", "URI": "https://asc.fasb.org/extlink&oid=99393423&loc=d3e6132-108592", "role": "http://fasb.org/us-gaap/role/ref/legacyRef" }, "r340": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "235", "Subparagraph": "(SX 210.9-05(b)(2))", "Topic": "942", "URI": "https://asc.fasb.org/extlink&oid=120399901&loc=d3e537907-122884", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r341": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "220", "Subparagraph": "(SX 210.7-04(22))", "Topic": "944", "URI": "https://asc.fasb.org/extlink&oid=120400993&loc=SL114874131-224263", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r342": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "220", "Subparagraph": "(SX 210.7-04(23))", "Topic": "944", "URI": "https://asc.fasb.org/extlink&oid=120400993&loc=SL114874131-224263", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r343": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "220", "Subparagraph": "(SX 210.7-04(9))", "Topic": "944", "URI": "https://asc.fasb.org/extlink&oid=120400993&loc=SL114874131-224263", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r344": { "Name": "Accounting Standards Codification", "Paragraph": "7A", "Publisher": "FASB", "Section": "50", "SubTopic": "40", "Subparagraph": "(d)", "Topic": "944", "URI": "https://asc.fasb.org/extlink&oid=124506351&loc=SL117782755-158439", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r345": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "65", "SubTopic": "40", "Subparagraph": "(e)", "Topic": "944", "URI": "https://asc.fasb.org/extlink&oid=124501264&loc=SL117420844-207641", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r346": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "65", "SubTopic": "40", "Subparagraph": "(f)(1)", "Topic": "944", "URI": "https://asc.fasb.org/extlink&oid=124501264&loc=SL117420844-207641", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r347": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "65", "SubTopic": "40", "Subparagraph": "(f)(2)", "Topic": "944", "URI": "https://asc.fasb.org/extlink&oid=124501264&loc=SL117420844-207641", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r348": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "65", "SubTopic": "40", "Subparagraph": "(g)(2)(i)", "Topic": "944", "URI": "https://asc.fasb.org/extlink&oid=124501264&loc=SL117420844-207641", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r349": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "65", "SubTopic": "40", "Subparagraph": "(h)(2)", "Topic": "944", "URI": "https://asc.fasb.org/extlink&oid=124501264&loc=SL117420844-207641", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r35": { "Name": "Accounting Standards Codification", "Paragraph": "9", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "275", "URI": "https://asc.fasb.org/extlink&oid=99393423&loc=d3e6143-108592", "role": "http://fasb.org/us-gaap/role/ref/legacyRef" }, "r350": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "310", "Subparagraph": "(c)", "Topic": "976", "URI": "https://asc.fasb.org/extlink&oid=6497875&loc=d3e22274-108663", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r351": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "310", "Subparagraph": "(b)", "Topic": "978", "URI": "https://asc.fasb.org/extlink&oid=126945304&loc=d3e27327-108691", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r352": { "Name": "Regulation S-K (SK)", "Number": "229", "Paragraph": "(a)", "Publisher": "SEC", "Section": "1402", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r353": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "210", "URI": "https://asc.fasb.org/extlink&oid=124098289&loc=d3e6676-107765", "role": "http://www.xbrl.org/2003/role/exampleRef" }, "r354": { "Name": "Accounting Standards Codification", "Paragraph": "16", "Publisher": "FASB", "Section": "55", "SubTopic": "20", "Topic": "210", "URI": "https://asc.fasb.org/extlink&oid=99393222&loc=SL20226024-175313", "role": "http://www.xbrl.org/2003/role/exampleRef" }, "r355": { "Name": "Accounting Standards Codification", "Paragraph": "21", "Publisher": "FASB", "Section": "55", "SubTopic": "20", "Topic": "210", "URI": "https://asc.fasb.org/extlink&oid=99393222&loc=SL20226049-175313", "role": "http://www.xbrl.org/2003/role/exampleRef" }, "r356": { "Name": "Accounting Standards Codification", "Paragraph": "22", "Publisher": "FASB", "Section": "55", "SubTopic": "20", "Topic": "210", "URI": "https://asc.fasb.org/extlink&oid=99393222&loc=SL20226052-175313", "role": "http://www.xbrl.org/2003/role/exampleRef" }, "r357": { "Name": "Accounting Standards Codification", "Paragraph": "52", "Publisher": "FASB", "Section": "55", "SubTopic": "10", "Topic": "260", "URI": "https://asc.fasb.org/extlink&oid=128363288&loc=d3e4984-109258", "role": "http://www.xbrl.org/2003/role/exampleRef" }, "r358": { "Name": "Accounting Standards Codification", "Paragraph": "30", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(d)", "Topic": "280", "URI": "https://asc.fasb.org/extlink&oid=126901519&loc=d3e8906-108599", "role": "http://www.xbrl.org/2003/role/exampleRef" }, "r359": { "Name": "Accounting Standards Codification", "Paragraph": "31", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "280", "URI": "https://asc.fasb.org/extlink&oid=126901519&loc=d3e8924-108599", "role": "http://www.xbrl.org/2003/role/exampleRef" }, "r36": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "275", "URI": "https://asc.fasb.org/topic&trid=2134479", "role": "http://fasb.org/us-gaap/role/ref/legacyRef" }, "r360": { "Name": "Accounting Standards Codification", "Paragraph": "69B", "Publisher": "FASB", "Section": "55", "SubTopic": "20", "Topic": "470", "URI": "https://asc.fasb.org/extlink&oid=123466577&loc=SL123495735-112612", "role": "http://www.xbrl.org/2003/role/exampleRef" }, "r361": { "Name": "Accounting Standards Codification", "Paragraph": "69C", "Publisher": "FASB", "Section": "55", "SubTopic": "20", "Topic": "470", "URI": "https://asc.fasb.org/extlink&oid=123466577&loc=SL123495737-112612", "role": "http://www.xbrl.org/2003/role/exampleRef" }, "r362": { "Name": "Accounting Standards Codification", "Paragraph": "13", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(d)", "Topic": "505", "URI": "https://asc.fasb.org/extlink&oid=126973232&loc=SL123496158-112644", "role": "http://www.xbrl.org/2003/role/exampleRef" }, "r363": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(d)(ii)", "Topic": "715", "URI": "https://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920", "role": "http://www.xbrl.org/2003/role/exampleRef" }, "r364": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(d)(iv)(01)", "Topic": "715", "URI": "https://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920", "role": "http://www.xbrl.org/2003/role/exampleRef" }, "r365": { "Name": "Accounting Standards Codification", "Paragraph": "17", "Publisher": "FASB", "Section": "55", "SubTopic": "20", "Topic": "715", "URI": "https://asc.fasb.org/extlink&oid=123450688&loc=d3e4179-114921", "role": "http://www.xbrl.org/2003/role/exampleRef" }, "r366": { "Name": "Accounting Standards Codification", "Paragraph": "8", "Publisher": "FASB", "Section": "55", "SubTopic": "80", "Topic": "715", "URI": "https://asc.fasb.org/extlink&oid=35742348&loc=SL14450788-114948", "role": "http://www.xbrl.org/2003/role/exampleRef" }, "r367": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)(1)", "Topic": "718", "URI": "https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901", "role": "http://www.xbrl.org/2003/role/exampleRef" }, "r368": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)(2)", "Topic": "718", "URI": "https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901", "role": "http://www.xbrl.org/2003/role/exampleRef" }, "r369": { "Name": "Accounting Standards Codification", "Paragraph": "4J", "Publisher": "FASB", "Section": "55", "SubTopic": "10", "Topic": "810", "URI": "https://asc.fasb.org/extlink&oid=120409616&loc=SL4591551-111686", "role": "http://www.xbrl.org/2003/role/exampleRef" }, "r37": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SAB Topic 4.E)", "Topic": "310", "URI": "https://asc.fasb.org/extlink&oid=122038336&loc=d3e74512-122707", "role": "http://fasb.org/us-gaap/role/ref/legacyRef" }, "r370": { "Name": "Accounting Standards Codification", "Paragraph": "4K", "Publisher": "FASB", "Section": "55", "SubTopic": "10", "Topic": "810", "URI": "https://asc.fasb.org/extlink&oid=120409616&loc=SL4591552-111686", "role": "http://www.xbrl.org/2003/role/exampleRef" }, "r371": { "Name": "Accounting Standards Codification", "Paragraph": "10", "Publisher": "FASB", "Section": "55", "SubTopic": "10", "Topic": "852", "URI": "https://asc.fasb.org/extlink&oid=84165509&loc=d3e56426-112766", "role": "http://www.xbrl.org/2003/role/exampleRef" }, "r372": { "Name": "Accounting Standards Codification", "Paragraph": "29F", "Publisher": "FASB", "Section": "55", "SubTopic": "40", "Topic": "944", "URI": "https://asc.fasb.org/extlink&oid=126561865&loc=SL117819544-158441", "role": "http://www.xbrl.org/2003/role/exampleRef" }, "r373": { "Name": "Exchange Act", "Number": "240", "Publisher": "SEC", "Section": "12", "Subsection": "b", "role": "http://www.xbrl.org/2003/role/presentationRef" }, "r374": { "Name": "Exchange Act", "Number": "240", "Publisher": "SEC", "Section": "12", "Subsection": "b-2", "role": "http://www.xbrl.org/2003/role/presentationRef" }, "r375": { "Name": "Exchange Act", "Number": "240", "Publisher": "SEC", "Section": "12", "Subsection": "b-23", "role": "http://www.xbrl.org/2003/role/presentationRef" }, "r376": { "Name": "Exchange Act", "Number": "240", "Publisher": "SEC", "Section": "12", "Subsection": "d1-1", "role": "http://www.xbrl.org/2003/role/presentationRef" }, "r377": { "Name": "Form 10-K", "Number": "249", "Publisher": "SEC", "Section": "310", "role": "http://www.xbrl.org/2003/role/presentationRef" }, "r378": { "Name": "Form 20-F", "Number": "249", "Publisher": "SEC", "Section": "220", "Subsection": "f", "role": "http://www.xbrl.org/2003/role/presentationRef" }, "r379": { "Name": "Form 40-F", "Number": "249", "Publisher": "SEC", "Section": "240", "Subsection": "f", "role": "http://www.xbrl.org/2003/role/presentationRef" }, "r38": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "420", "URI": "https://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869", "role": "http://fasb.org/us-gaap/role/ref/legacyRef" }, "r380": { "Name": "Forms 10-K, 10-Q, 20-F", "Number": "240", "Publisher": "SEC", "Section": "13", "Subsection": "a-1", "role": "http://www.xbrl.org/2003/role/presentationRef" }, "r381": { "Name": "Regulation S-T", "Number": "232", "Publisher": "SEC", "Section": "405", "role": "http://www.xbrl.org/2003/role/presentationRef" }, "r382": { "Name": "Securities Act", "Number": "230", "Publisher": "SEC", "Section": "405", "role": "http://www.xbrl.org/2003/role/presentationRef" }, "r383": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "272", "URI": "https://asc.fasb.org/extlink&oid=125520817&loc=d3e70229-108054", "role": "http://www.xbrl.org/2003/role/recommendedDisclosureRef" }, "r384": { "Name": "Accounting Standards Codification", "Paragraph": "10", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Topic": "450", "URI": "https://asc.fasb.org/extlink&oid=121557415&loc=d3e14615-108349", "role": "http://www.xbrl.org/2003/role/recommendedDisclosureRef" }, "r385": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "855", "URI": "https://asc.fasb.org/extlink&oid=6842918&loc=SL6314020-165662", "role": "http://www.xbrl.org/2003/role/recommendedDisclosureRef" }, "r386": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02(20))", "Topic": "210", "URI": "https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682", "role": "http://www.xbrl.org/2009/role/commonPracticeRef" }, "r387": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02(9))", "Topic": "210", "URI": "https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682", "role": "http://www.xbrl.org/2009/role/commonPracticeRef" }, "r388": { "Name": "Accounting Standards Codification", "Paragraph": "6", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "220", "URI": "https://asc.fasb.org/extlink&oid=124431353&loc=SL124452729-227067", "role": "http://www.xbrl.org/2009/role/commonPracticeRef" }, "r389": { "Name": "Accounting Standards Codification", "Paragraph": "17", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(f)", "Topic": "230", "URI": "https://asc.fasb.org/extlink&oid=126954810&loc=d3e3367-108585", "role": "http://www.xbrl.org/2009/role/commonPracticeRef" }, "r39": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SAB TOPIC 5.P.3)", "Topic": "420", "URI": "https://asc.fasb.org/extlink&oid=115931487&loc=d3e140864-122747", "role": "http://fasb.org/us-gaap/role/ref/legacyRef" }, "r390": { "Name": "Accounting Standards Codification", "Paragraph": "28", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "230", "URI": "https://asc.fasb.org/extlink&oid=126954810&loc=d3e3602-108585", "role": "http://www.xbrl.org/2009/role/commonPracticeRef" }, "r391": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.4-08(d))", "Topic": "235", "URI": "https://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690", "role": "http://www.xbrl.org/2009/role/commonPracticeRef" }, "r392": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.4-08(g)(1)(ii))", "Topic": "235", "URI": "https://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690", "role": "http://www.xbrl.org/2009/role/commonPracticeRef" }, "r393": { "Name": "Accounting Standards Codification", "Paragraph": "23", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "250", "URI": "https://asc.fasb.org/extlink&oid=124436220&loc=d3e21914-107793", "role": "http://www.xbrl.org/2009/role/commonPracticeRef" }, "r394": { "Name": "Accounting Standards Codification", "Paragraph": "24", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "250", "URI": "https://asc.fasb.org/extlink&oid=124436220&loc=d3e21930-107793", "role": "http://www.xbrl.org/2009/role/commonPracticeRef" }, "r395": { "Name": "Accounting Standards Codification", "Paragraph": "5", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "250", "URI": "https://asc.fasb.org/extlink&oid=124436220&loc=d3e21711-107793", "role": "http://www.xbrl.org/2009/role/commonPracticeRef" }, "r396": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "250", "URI": "https://asc.fasb.org/extlink&oid=124431687&loc=d3e22595-107794", "role": "http://www.xbrl.org/2009/role/commonPracticeRef" }, "r397": { "Name": "Accounting Standards Codification", "Paragraph": "55", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "260", "URI": "https://asc.fasb.org/extlink&oid=126958026&loc=d3e2626-109256", "role": "http://www.xbrl.org/2009/role/commonPracticeRef" }, "r398": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)", "Topic": "260", "URI": "https://asc.fasb.org/extlink&oid=124432515&loc=d3e3550-109257", "role": "http://www.xbrl.org/2009/role/commonPracticeRef" }, "r399": { "Name": "Accounting Standards Codification", "Paragraph": "18", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "280", "URI": "https://asc.fasb.org/extlink&oid=126901519&loc=d3e8672-108599", "role": "http://www.xbrl.org/2009/role/commonPracticeRef" }, "r4": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02(30))", "Topic": "210", "URI": "https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682", "role": "http://fasb.org/us-gaap/role/ref/legacyRef" }, "r40": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SAB TOPIC 5.P.4)", "Topic": "420", "URI": "https://asc.fasb.org/extlink&oid=115931487&loc=d3e140904-122747", "role": "http://fasb.org/us-gaap/role/ref/legacyRef" }, "r400": { "Name": "Accounting Standards Codification", "Paragraph": "13", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "310", "URI": "https://asc.fasb.org/extlink&oid=124259787&loc=d3e4647-111522", "role": "http://www.xbrl.org/2009/role/commonPracticeRef" }, "r401": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)", "Topic": "323", "URI": "https://asc.fasb.org/extlink&oid=114001798&loc=d3e33918-111571", "role": "http://www.xbrl.org/2009/role/commonPracticeRef" }, "r402": { "Name": "Accounting Standards Codification", "Paragraph": "10", "Publisher": "FASB", "Section": "50", "SubTopic": "30", "Subparagraph": "(c)", "Topic": "410", "URI": "https://asc.fasb.org/extlink&oid=6393242&loc=d3e13237-110859", "role": "http://www.xbrl.org/2009/role/commonPracticeRef" }, "r403": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "420", "URI": "https://asc.fasb.org/extlink&oid=109237686&loc=d3e17752-110868", "role": "http://www.xbrl.org/2009/role/commonPracticeRef" }, "r404": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "420", "URI": "https://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869", "role": "http://www.xbrl.org/2009/role/commonPracticeRef" }, "r405": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(b)(2)", "Topic": "420", "URI": "https://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869", "role": "http://www.xbrl.org/2009/role/commonPracticeRef" }, "r406": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SAB Topic 5.P.4(a))", "Topic": "420", "URI": "https://asc.fasb.org/extlink&oid=115931487&loc=d3e140904-122747", "role": "http://www.xbrl.org/2009/role/commonPracticeRef" }, "r407": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SAB Topic 5.P.4(b)(2))", "Topic": "420", "URI": "https://asc.fasb.org/extlink&oid=115931487&loc=d3e140904-122747", "role": "http://www.xbrl.org/2009/role/commonPracticeRef" }, "r408": { "Name": "Accounting Standards Codification", "Paragraph": "1A", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.13-01(a)(4)(ii))", "Topic": "470", "URI": "https://asc.fasb.org/extlink&oid=126975872&loc=SL124442526-122756", "role": "http://www.xbrl.org/2009/role/commonPracticeRef" }, "r409": { "Name": "Accounting Standards Codification", "Paragraph": "1A", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.13-01(a)(4)(iii))", "Topic": "470", "URI": "https://asc.fasb.org/extlink&oid=126975872&loc=SL124442526-122756", "role": "http://www.xbrl.org/2009/role/commonPracticeRef" }, "r41": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(CFRR 211.02)", "Topic": "480", "URI": "https://asc.fasb.org/extlink&oid=122040564&loc=d3e177068-122764", "role": "http://fasb.org/us-gaap/role/ref/legacyRef" }, "r410": { "Name": "Accounting Standards Codification", "Paragraph": "1B", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(d)", "Topic": "470", "URI": "https://asc.fasb.org/extlink&oid=123466505&loc=SL123495323-112611", "role": "http://www.xbrl.org/2009/role/commonPracticeRef" }, "r411": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(d)(ii)", "Topic": "715", "URI": "https://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920", "role": "http://www.xbrl.org/2009/role/commonPracticeRef" }, "r412": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)(1)", "Topic": "718", "URI": "https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901", "role": "http://www.xbrl.org/2009/role/commonPracticeRef" }, "r413": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)(2)", "Topic": "718", "URI": "https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901", "role": "http://www.xbrl.org/2009/role/commonPracticeRef" }, "r414": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)(3)", "Topic": "718", "URI": "https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901", "role": "http://www.xbrl.org/2009/role/commonPracticeRef" }, "r415": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)(1)(i)", "Topic": "718", "URI": "https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901", "role": "http://www.xbrl.org/2009/role/commonPracticeRef" }, "r416": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)(1)(ii)", "Topic": "718", "URI": "https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901", "role": "http://www.xbrl.org/2009/role/commonPracticeRef" }, "r417": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)(1)(iii)", "Topic": "718", "URI": "https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901", "role": "http://www.xbrl.org/2009/role/commonPracticeRef" }, "r418": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)(1)(iv)", "Topic": "718", "URI": "https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901", "role": "http://www.xbrl.org/2009/role/commonPracticeRef" }, "r419": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)(1)(iv)(01)", "Topic": "718", "URI": "https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901", "role": "http://www.xbrl.org/2009/role/commonPracticeRef" }, "r42": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "505", "URI": "https://asc.fasb.org/extlink&oid=65888546&loc=d3e21300-112643", "role": "http://fasb.org/us-gaap/role/ref/legacyRef" }, "r420": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)(1)(iv)(02)", "Topic": "718", "URI": "https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901", "role": "http://www.xbrl.org/2009/role/commonPracticeRef" }, "r421": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)(1)(iv)(03)", "Topic": "718", "URI": "https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901", "role": "http://www.xbrl.org/2009/role/commonPracticeRef" }, "r422": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)(1)(iv)(04)", "Topic": "718", "URI": "https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901", "role": "http://www.xbrl.org/2009/role/commonPracticeRef" }, "r423": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)(2)(i)", "Topic": "718", "URI": "https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901", "role": "http://www.xbrl.org/2009/role/commonPracticeRef" }, "r424": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)(2)(ii)", "Topic": "718", "URI": "https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901", "role": "http://www.xbrl.org/2009/role/commonPracticeRef" }, "r425": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)(2)(iii)", "Topic": "718", "URI": "https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901", "role": "http://www.xbrl.org/2009/role/commonPracticeRef" }, "r426": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)(2)(iii)(01)", "Topic": "718", "URI": "https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901", "role": "http://www.xbrl.org/2009/role/commonPracticeRef" }, "r427": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)(2)(iii)(02)", "Topic": "718", "URI": "https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901", "role": "http://www.xbrl.org/2009/role/commonPracticeRef" }, "r428": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)(2)(iii)(03)", "Topic": "718", "URI": "https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901", "role": "http://www.xbrl.org/2009/role/commonPracticeRef" }, "r429": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(d)(1)", "Topic": "718", "URI": "https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901", "role": "http://www.xbrl.org/2009/role/commonPracticeRef" }, "r43": { "Name": "Accounting Standards Codification", "Paragraph": "10", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "505", "URI": "https://asc.fasb.org/extlink&oid=126973232&loc=d3e21553-112644", "role": "http://fasb.org/us-gaap/role/ref/legacyRef" }, "r430": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(d)(2)", "Topic": "718", "URI": "https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901", "role": "http://www.xbrl.org/2009/role/commonPracticeRef" }, "r431": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(e)(1)", "Topic": "718", "URI": "https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901", "role": "http://www.xbrl.org/2009/role/commonPracticeRef" }, "r432": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(e)(2)", "Topic": "718", "URI": "https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901", "role": "http://www.xbrl.org/2009/role/commonPracticeRef" }, "r433": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(f)(2)(i)", "Topic": "718", "URI": "https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901", "role": "http://www.xbrl.org/2009/role/commonPracticeRef" }, "r434": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(f)(2)(ii)", "Topic": "718", "URI": "https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901", "role": "http://www.xbrl.org/2009/role/commonPracticeRef" }, "r435": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(f)(2)(iii)", "Topic": "718", "URI": "https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901", "role": "http://www.xbrl.org/2009/role/commonPracticeRef" }, "r436": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(f)(2)(iv)", "Topic": "718", "URI": "https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901", "role": "http://www.xbrl.org/2009/role/commonPracticeRef" }, "r437": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(f)(2)(v)", "Topic": "718", "URI": "https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901", "role": "http://www.xbrl.org/2009/role/commonPracticeRef" }, "r438": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(i)", "Topic": "718", "URI": "https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901", "role": "http://www.xbrl.org/2009/role/commonPracticeRef" }, "r439": { "Name": "Accounting Standards Codification", "Paragraph": "12", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "740", "URI": "https://asc.fasb.org/extlink&oid=121826272&loc=d3e32687-109319", "role": "http://www.xbrl.org/2009/role/commonPracticeRef" }, "r44": { "Name": "Accounting Standards Codification", "Paragraph": "11", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "505", "URI": "https://asc.fasb.org/extlink&oid=126973232&loc=d3e21564-112644", "role": "http://fasb.org/us-gaap/role/ref/legacyRef" }, "r440": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "740", "URI": "https://asc.fasb.org/extlink&oid=121826272&loc=d3e32537-109319", "role": "http://www.xbrl.org/2009/role/commonPracticeRef" }, "r441": { "Name": "Accounting Standards Codification", "Paragraph": "6", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "740", "URI": "https://asc.fasb.org/extlink&oid=121826272&loc=d3e32621-109319", "role": "http://www.xbrl.org/2009/role/commonPracticeRef" }, "r442": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SAB Topic 6.I.Fact.4)", "Topic": "740", "URI": "https://asc.fasb.org/extlink&oid=122134291&loc=d3e330036-122817", "role": "http://www.xbrl.org/2009/role/commonPracticeRef" }, "r443": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "808", "URI": "https://asc.fasb.org/extlink&oid=6931272&loc=SL5834143-161434", "role": "http://www.xbrl.org/2009/role/commonPracticeRef" }, "r444": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "65", "SubTopic": "40", "Subparagraph": "(e)(3)", "Topic": "815", "URI": "https://asc.fasb.org/extlink&oid=126732423&loc=SL123482106-238011", "role": "http://www.xbrl.org/2009/role/commonPracticeRef" }, "r445": { "Name": "Accounting Standards Codification", "Paragraph": "28", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(f)", "Topic": "825", "URI": "https://asc.fasb.org/extlink&oid=123596393&loc=d3e14064-108612", "role": "http://www.xbrl.org/2009/role/commonPracticeRef" }, "r446": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "850", "URI": "https://asc.fasb.org/extlink&oid=6457730&loc=d3e39599-107864", "role": "http://www.xbrl.org/2009/role/commonPracticeRef" }, "r447": { "Name": "Accounting Standards Codification", "Paragraph": "7", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "852", "URI": "https://asc.fasb.org/extlink&oid=124433192&loc=SL2890621-112765", "role": "http://www.xbrl.org/2009/role/commonPracticeRef" }, "r448": { "Name": "Accounting Standards Codification", "Paragraph": "7", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "852", "URI": "https://asc.fasb.org/extlink&oid=124433192&loc=SL2890621-112765", "role": "http://www.xbrl.org/2009/role/commonPracticeRef" }, "r449": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(c)(1)", "Topic": "860", "URI": "https://asc.fasb.org/extlink&oid=121570589&loc=d3e107207-111719", "role": "http://www.xbrl.org/2009/role/commonPracticeRef" }, "r45": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "505", "URI": "https://asc.fasb.org/extlink&oid=126973232&loc=d3e21463-112644", "role": "http://fasb.org/us-gaap/role/ref/legacyRef" }, "r450": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(c)(2)", "Topic": "860", "URI": "https://asc.fasb.org/extlink&oid=121570589&loc=d3e107207-111719", "role": "http://www.xbrl.org/2009/role/commonPracticeRef" }, "r451": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(c)(3)", "Topic": "860", "URI": "https://asc.fasb.org/extlink&oid=121570589&loc=d3e107207-111719", "role": "http://www.xbrl.org/2009/role/commonPracticeRef" }, "r452": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(b)(1)", "Topic": "860", "URI": "https://asc.fasb.org/extlink&oid=121570589&loc=d3e107314-111719", "role": "http://www.xbrl.org/2009/role/commonPracticeRef" }, "r453": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(b)(2)", "Topic": "860", "URI": "https://asc.fasb.org/extlink&oid=121570589&loc=d3e107314-111719", "role": "http://www.xbrl.org/2009/role/commonPracticeRef" }, "r454": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Subparagraph": "(b)(3)", "Topic": "860", "URI": "https://asc.fasb.org/extlink&oid=121570589&loc=d3e107314-111719", "role": "http://www.xbrl.org/2009/role/commonPracticeRef" }, "r46": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "505", "URI": "https://asc.fasb.org/extlink&oid=126973232&loc=d3e21475-112644", "role": "http://fasb.org/us-gaap/role/ref/legacyRef" }, "r47": { "Name": "Accounting Standards Codification", "Paragraph": "4", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "505", "URI": "https://asc.fasb.org/extlink&oid=126973232&loc=d3e21484-112644", "role": "http://fasb.org/us-gaap/role/ref/legacyRef" }, "r48": { "Name": "Accounting Standards Codification", "Paragraph": "5", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "505", "URI": "https://asc.fasb.org/extlink&oid=126973232&loc=d3e21488-112644", "role": "http://fasb.org/us-gaap/role/ref/legacyRef" }, "r49": { "Name": "Accounting Standards Codification", "Paragraph": "5", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "505", "URI": "https://asc.fasb.org/extlink&oid=126973232&loc=d3e21488-112644", "role": "http://fasb.org/us-gaap/role/ref/legacyRef" }, "r5": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02(31))", "Topic": "210", "URI": "https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682", "role": "http://fasb.org/us-gaap/role/ref/legacyRef" }, "r50": { "Name": "Accounting Standards Codification", "Paragraph": "6", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "505", "URI": "https://asc.fasb.org/extlink&oid=126973232&loc=d3e21506-112644", "role": "http://fasb.org/us-gaap/role/ref/legacyRef" }, "r51": { "Name": "Accounting Standards Codification", "Paragraph": "7", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "505", "URI": "https://asc.fasb.org/extlink&oid=126973232&loc=d3e21521-112644", "role": "http://fasb.org/us-gaap/role/ref/legacyRef" }, "r52": { "Name": "Accounting Standards Codification", "Paragraph": "8", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "505", "URI": "https://asc.fasb.org/extlink&oid=126973232&loc=d3e21538-112644", "role": "http://fasb.org/us-gaap/role/ref/legacyRef" }, "r53": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.3-04)", "Topic": "505", "URI": "https://asc.fasb.org/extlink&oid=120397183&loc=d3e187085-122770", "role": "http://fasb.org/us-gaap/role/ref/legacyRef" }, "r54": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "505", "URI": "https://asc.fasb.org/topic&trid=2208762", "role": "http://fasb.org/us-gaap/role/ref/legacyRef" }, "r55": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)(1)", "Topic": "718", "URI": "https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901", "role": "http://fasb.org/us-gaap/role/ref/legacyRef" }, "r56": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(d)", "Topic": "718", "URI": "https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901", "role": "http://fasb.org/us-gaap/role/ref/legacyRef" }, "r57": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(e)", "Topic": "718", "URI": "https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901", "role": "http://fasb.org/us-gaap/role/ref/legacyRef" }, "r58": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(e)(1)", "Topic": "718", "URI": "https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901", "role": "http://fasb.org/us-gaap/role/ref/legacyRef" }, "r59": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(f)(2)", "Topic": "718", "URI": "https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901", "role": "http://fasb.org/us-gaap/role/ref/legacyRef" }, "r6": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02(32))", "Topic": "210", "URI": "https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682", "role": "http://fasb.org/us-gaap/role/ref/legacyRef" }, "r60": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "718", "URI": "https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901", "role": "http://fasb.org/us-gaap/role/ref/legacyRef" }, "r61": { "Name": "Accounting Standards Codification", "Paragraph": "2A", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "718", "URI": "https://asc.fasb.org/extlink&oid=128089324&loc=SL79508275-113901", "role": "http://fasb.org/us-gaap/role/ref/legacyRef" }, "r62": { "Name": "Accounting Standards Codification", "Paragraph": "12", "Publisher": "FASB", "Section": "55", "SubTopic": "20", "Topic": "718", "URI": "https://asc.fasb.org/extlink&oid=126964447&loc=d3e11149-113907", "role": "http://fasb.org/us-gaap/role/ref/legacyRef" }, "r63": { "Name": "Accounting Standards Codification", "Paragraph": "13", "Publisher": "FASB", "Section": "55", "SubTopic": "20", "Topic": "718", "URI": "https://asc.fasb.org/extlink&oid=126964447&loc=d3e11178-113907", "role": "http://fasb.org/us-gaap/role/ref/legacyRef" }, "r64": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "35", "Subparagraph": "(a)", "Topic": "720", "URI": "https://asc.fasb.org/extlink&oid=6420018&loc=d3e36677-107848", "role": "http://fasb.org/us-gaap/role/ref/legacyRef" }, "r65": { "Name": "Accounting Standards Codification", "Paragraph": "12", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "740", "URI": "https://asc.fasb.org/extlink&oid=121826272&loc=d3e32687-109319", "role": "http://fasb.org/us-gaap/role/ref/legacyRef" }, "r66": { "Name": "Accounting Standards Codification", "Paragraph": "15", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(e)", "Topic": "740", "URI": "https://asc.fasb.org/extlink&oid=121826272&loc=d3e32718-109319", "role": "http://fasb.org/us-gaap/role/ref/legacyRef" }, "r67": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)", "Topic": "740", "URI": "https://asc.fasb.org/extlink&oid=121826272&loc=d3e32537-109319", "role": "http://fasb.org/us-gaap/role/ref/legacyRef" }, "r68": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "740", "URI": "https://asc.fasb.org/extlink&oid=121826272&loc=d3e32537-109319", "role": "http://fasb.org/us-gaap/role/ref/legacyRef" }, "r69": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "740", "URI": "https://asc.fasb.org/extlink&oid=121826272&loc=d3e32559-109319", "role": "http://fasb.org/us-gaap/role/ref/legacyRef" }, "r7": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02.19(a))", "Topic": "210", "URI": "https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682", "role": "http://fasb.org/us-gaap/role/ref/legacyRef" }, "r70": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "740", "URI": "https://asc.fasb.org/extlink&oid=121826272&loc=d3e32559-109319", "role": "http://fasb.org/us-gaap/role/ref/legacyRef" }, "r71": { "Name": "Accounting Standards Codification", "Paragraph": "8", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "740", "URI": "https://asc.fasb.org/extlink&oid=121826272&loc=d3e32632-109319", "role": "http://fasb.org/us-gaap/role/ref/legacyRef" }, "r72": { "Name": "Accounting Standards Codification", "Publisher": "FASB", "Topic": "810", "URI": "https://asc.fasb.org/topic&trid=2197479", "role": "http://fasb.org/us-gaap/role/ref/legacyRef" }, "r73": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(a)", "Topic": "820", "URI": "https://asc.fasb.org/extlink&oid=126976982&loc=d3e19207-110258", "role": "http://fasb.org/us-gaap/role/ref/legacyRef" }, "r74": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(b)", "Topic": "820", "URI": "https://asc.fasb.org/extlink&oid=126976982&loc=d3e19207-110258", "role": "http://fasb.org/us-gaap/role/ref/legacyRef" }, "r75": { "Name": "Accounting Standards Codification", "Paragraph": "2", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Subparagraph": "(c)", "Topic": "820", "URI": "https://asc.fasb.org/extlink&oid=126976982&loc=d3e19207-110258", "role": "http://fasb.org/us-gaap/role/ref/legacyRef" }, "r76": { "Name": "Accounting Standards Codification", "Paragraph": "3", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "820", "URI": "https://asc.fasb.org/extlink&oid=126976982&loc=d3e19279-110258", "role": "http://fasb.org/us-gaap/role/ref/legacyRef" }, "r77": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "60", "SubTopic": "10", "Topic": "820", "URI": "https://asc.fasb.org/extlink&oid=7493716&loc=d3e21868-110260", "role": "http://fasb.org/us-gaap/role/ref/legacyRef" }, "r78": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "825", "URI": "https://asc.fasb.org/extlink&oid=123594938&loc=d3e13279-108611", "role": "http://fasb.org/us-gaap/role/ref/legacyRef" }, "r79": { "Name": "Accounting Standards Codification", "Paragraph": "11", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "825", "URI": "https://asc.fasb.org/extlink&oid=123594938&loc=d3e13467-108611", "role": "http://fasb.org/us-gaap/role/ref/legacyRef" }, "r8": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02.19(a),20,24)", "Topic": "210", "URI": "https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682", "role": "http://fasb.org/us-gaap/role/ref/legacyRef" }, "r80": { "Name": "Accounting Standards Codification", "Paragraph": "12", "Publisher": "FASB", "Section": "50", "SubTopic": "10", "Topic": "825", "URI": "https://asc.fasb.org/extlink&oid=123594938&loc=d3e13476-108611", "role": "http://fasb.org/us-gaap/role/ref/legacyRef" }, "r81": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "45", "SubTopic": "230", "Topic": "830", "URI": "https://asc.fasb.org/extlink&oid=123444420&loc=d3e33268-110906", "role": "http://fasb.org/us-gaap/role/ref/legacyRef" }, "r82": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "25", "SubTopic": "20", "Topic": "940", "URI": "https://asc.fasb.org/extlink&oid=126941158&loc=d3e41242-110953", "role": "http://fasb.org/us-gaap/role/ref/legacyRef" }, "r83": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.9-03(1)(a))", "Topic": "942", "URI": "https://asc.fasb.org/extlink&oid=126897435&loc=d3e534808-122878", "role": "http://fasb.org/us-gaap/role/ref/legacyRef" }, "r84": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.9-03(11))", "Topic": "942", "URI": "https://asc.fasb.org/extlink&oid=126897435&loc=d3e534808-122878", "role": "http://fasb.org/us-gaap/role/ref/legacyRef" }, "r85": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.9-03(23))", "Topic": "942", "URI": "https://asc.fasb.org/extlink&oid=126897435&loc=d3e534808-122878", "role": "http://fasb.org/us-gaap/role/ref/legacyRef" }, "r86": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.9-03.17)", "Topic": "942", "URI": "https://asc.fasb.org/extlink&oid=126897435&loc=d3e534808-122878", "role": "http://fasb.org/us-gaap/role/ref/legacyRef" }, "r87": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "220", "Subparagraph": "(SX 210.9-04(15))", "Topic": "942", "URI": "https://asc.fasb.org/extlink&oid=120399700&loc=SL114874048-224260", "role": "http://fasb.org/us-gaap/role/ref/legacyRef" }, "r88": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "50", "SubTopic": "825", "Topic": "942", "URI": "https://asc.fasb.org/extlink&oid=126941378&loc=d3e61044-112788", "role": "http://fasb.org/us-gaap/role/ref/legacyRef" }, "r89": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.7-03(a)(12))", "Topic": "944", "URI": "https://asc.fasb.org/extlink&oid=126734703&loc=d3e572229-122910", "role": "http://fasb.org/us-gaap/role/ref/legacyRef" }, "r9": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02.19,20)", "Topic": "210", "URI": "https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682", "role": "http://fasb.org/us-gaap/role/ref/legacyRef" }, "r90": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.7-03(a)(23)(a)(4))", "Topic": "944", "URI": "https://asc.fasb.org/extlink&oid=126734703&loc=d3e572229-122910", "role": "http://fasb.org/us-gaap/role/ref/legacyRef" }, "r91": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.7-03(a)(25))", "Topic": "944", "URI": "https://asc.fasb.org/extlink&oid=126734703&loc=d3e572229-122910", "role": "http://fasb.org/us-gaap/role/ref/legacyRef" }, "r92": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "210", "Subparagraph": "(SX 210.7-03.(a),19)", "Topic": "944", "URI": "https://asc.fasb.org/extlink&oid=126734703&loc=d3e572229-122910", "role": "http://fasb.org/us-gaap/role/ref/legacyRef" }, "r93": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "220", "Subparagraph": "(SX 210.7-04(8))", "Topic": "944", "URI": "https://asc.fasb.org/extlink&oid=120400993&loc=SL114874131-224263", "role": "http://fasb.org/us-gaap/role/ref/legacyRef" }, "r94": { "Name": "Accounting Standards Codification", "Paragraph": "6", "Publisher": "FASB", "Section": "65", "SubTopic": "10", "Subparagraph": "(c)", "Topic": "105", "URI": "https://asc.fasb.org/extlink&oid=126987489&loc=SL124442142-165695", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r95": { "Name": "Accounting Standards Codification", "Paragraph": "7", "Publisher": "FASB", "Section": "50", "SubTopic": "20", "Topic": "205", "URI": "https://asc.fasb.org/extlink&oid=109222650&loc=SL51721683-107760", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r96": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "210", "URI": "https://asc.fasb.org/extlink&oid=124098289&loc=d3e6676-107765", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r97": { "Name": "Accounting Standards Codification", "Paragraph": "5", "Publisher": "FASB", "Section": "45", "SubTopic": "10", "Topic": "210", "URI": "https://asc.fasb.org/extlink&oid=124098289&loc=d3e6904-107765", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r98": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02(1))", "Topic": "210", "URI": "https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682", "role": "http://www.xbrl.org/2003/role/disclosureRef" }, "r99": { "Name": "Accounting Standards Codification", "Paragraph": "1", "Publisher": "FASB", "Section": "S99", "SubTopic": "10", "Subparagraph": "(SX 210.5-02(17))", "Topic": "210", "URI": "https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682", "role": "http://www.xbrl.org/2003/role/disclosureRef" } }, "version": "2.2" }