3.26.1 html 267 301 1 true 73 0 false 7 false false R1.htm 75000 - Document - Document and Entity Information Sheet http://www.globalindemnity.ie/20260331/taxonomy/role/Role_DocumentDocumentAndEntityInformation Document and Entity Information Cover 1 false false R2.htm 75010 - Statement - Consolidated Balance Sheets Sheet http://www.globalindemnity.ie/20260331/taxonomy/role/Role_StatementConsolidatedBalanceSheets Consolidated Balance Sheets Statements 2 false false R3.htm 75020 - Statement - Consolidated Balance Sheets (Parenthetical) Sheet http://www.globalindemnity.ie/20260331/taxonomy/role/Role_StatementConsolidatedBalanceSheetsParenthetical Consolidated Balance Sheets (Parenthetical) Statements 3 false false R4.htm 75030 - Statement - Consolidated Statements of Operations Sheet http://www.globalindemnity.ie/20260331/taxonomy/role/Role_StatementConsolidatedStatementsOfOperations Consolidated Statements of Operations Statements 4 false false R5.htm 75040 - Statement - Consolidated Statements of Comprehensive Income (Loss) Sheet http://www.globalindemnity.ie/20260331/taxonomy/role/StatementConsolidatedStatementsOfComprehensiveIncomeLoss Consolidated Statements of Comprehensive Income (Loss) Statements 5 false false R6.htm 75050 - Statement - Consolidated Statements of Changes in Shareholders' Equity Sheet http://www.globalindemnity.ie/20260331/taxonomy/role/StatementConsolidatedStatementsOfChangesInShareholdersEquity1 Consolidated Statements of Changes in Shareholders' Equity Statements 6 false false R7.htm 75060 - Statement - Consolidated Statements of Changes in Shareholders' Equity (Parenthetical) Sheet http://www.globalindemnity.ie/20260331/taxonomy/role/Role_StatementConsolidatedStatementsOfChangesInShareholdersEquityParenthetical Consolidated Statements of Changes in Shareholders' Equity (Parenthetical) Statements 7 false false R8.htm 75070 - Statement - Consolidated Statements of Cash Flows Sheet http://www.globalindemnity.ie/20260331/taxonomy/role/Role_StatementConsolidatedStatementsOfCashFlows Consolidated Statements of Cash Flows Statements 8 false false R9.htm 995410 - Disclosure - Pay vs Performance Disclosure Sheet http://xbrl.sec.gov/ecd/role/PvpDisclosure Pay vs Performance Disclosure Notes 9 false false R10.htm 995445 - Disclosure - Insider Trading Arrangements Sheet http://xbrl.sec.gov/ecd/role/InsiderTradingArrangements Insider Trading Arrangements Notes 10 false false R11.htm 995455 - Disclosure - Principles of Consolidation and Basis of Presentation Sheet http://www.globalindemnity.ie/20260331/taxonomy/role/Role_DisclosurePrinciplesOfConsolidationAndBasisOfPresentation Principles of Consolidation and Basis of Presentation Notes 11 false false R12.htm 995505 - Disclosure - Investments Sheet http://www.globalindemnity.ie/20260331/taxonomy/role/Role_DisclosureInvestments Investments Notes 12 false false R13.htm 995515 - Disclosure - Fair Value Measurements Sheet http://www.globalindemnity.ie/20260331/taxonomy/role/Role_DisclosureFairValueMeasurements Fair Value Measurements Notes 13 false false R14.htm 995545 - Disclosure - Allowance for Expected Credit Losses - Premium Receivables and Reinsurance Receivables Sheet http://www.globalindemnity.ie/20260331/taxonomy/role/Role_DisclosureAllowanceForExpectedCreditLossesPremiumReceivablesAndReinsuranceReceivables Allowance for Expected Credit Losses - Premium Receivables and Reinsurance Receivables Notes 14 false false R15.htm 995555 - Disclosure - Income Taxes Sheet http://www.globalindemnity.ie/20260331/taxonomy/role/Role_DisclosureIncomeTaxes Income Taxes Notes 15 false false R16.htm 995565 - Disclosure - Liability for Unpaid Losses and Loss Adjustment Expenses Sheet http://www.globalindemnity.ie/20260331/taxonomy/role/Role_DisclosureLiabilityForUnpaidLossesAndLossAdjustmentExpenses Liability for Unpaid Losses and Loss Adjustment Expenses Notes 16 false false R17.htm 995575 - Disclosure - Share-Based Compensation Plans Sheet http://www.globalindemnity.ie/20260331/taxonomy/role/Role_DisclosureShareBasedCompensationPlans Share-Based Compensation Plans Notes 17 false false R18.htm 995585 - Disclosure - Related Party Transactions Sheet http://www.globalindemnity.ie/20260331/taxonomy/role/Role_DisclosureRelatedPartyTransactions Related Party Transactions Notes 18 false false R19.htm 995595 - Disclosure - Commitments and Contingencies Sheet http://www.globalindemnity.ie/20260331/taxonomy/role/Role_DisclosureCommitmentsAndContingencies Commitments and Contingencies Notes 19 false false R20.htm 995605 - Disclosure - Shareholders' Equity Sheet http://www.globalindemnity.ie/20260331/taxonomy/role/Role_DisclosureShareholdersEquity Shareholders' Equity Notes 20 false false R21.htm 995615 - Disclosure - Earnings Per Share Sheet http://www.globalindemnity.ie/20260331/taxonomy/role/Role_DisclosureEarningsPerShare Earnings Per Share Notes 21 false false R22.htm 995625 - Disclosure - Segment Information Sheet http://www.globalindemnity.ie/20260331/taxonomy/role/Role_DisclosureSegmentInformation Segment Information Notes 22 false false R23.htm 995645 - Disclosure - New Accounting Pronouncements Sheet http://www.globalindemnity.ie/20260331/taxonomy/role/Role_DisclosureNewAccountingPronouncements New Accounting Pronouncements Notes 23 false false R24.htm 995665 - Disclosure - Principles of Consolidation and Basis of Presentation (Policies) Sheet http://www.globalindemnity.ie/20260331/taxonomy/role/Role_DisclosurePrinciplesOfConsolidationAndBasisOfPresentationPolicies Principles of Consolidation and Basis of Presentation (Policies) Policies http://www.globalindemnity.ie/20260331/taxonomy/role/Role_DisclosureNewAccountingPronouncements 24 false false R25.htm 995695 - Disclosure - Investments (Tables) Sheet http://www.globalindemnity.ie/20260331/taxonomy/role/Role_DisclosureInvestmentsTables Investments (Tables) Tables http://www.globalindemnity.ie/20260331/taxonomy/role/Role_DisclosureInvestments 25 false false R26.htm 995715 - Disclosure - Fair Value Measurements (Tables) Sheet http://www.globalindemnity.ie/20260331/taxonomy/role/Role_DisclosureFairValueMeasurementsTables Fair Value Measurements (Tables) Tables http://www.globalindemnity.ie/20260331/taxonomy/role/Role_DisclosureFairValueMeasurements 26 false false R27.htm 995735 - Disclosure - Allowance for Expected Credit Losses - Premium Receivables and Reinsurance Receivables (Tables) Sheet http://www.globalindemnity.ie/20260331/taxonomy/role/Role_DisclosureAllowanceForExpectedCreditLossesPremiumReceivablesAndReinsuranceReceivablesTables Allowance for Expected Credit Losses - Premium Receivables and Reinsurance Receivables (Tables) Tables http://www.globalindemnity.ie/20260331/taxonomy/role/Role_DisclosureAllowanceForExpectedCreditLossesPremiumReceivablesAndReinsuranceReceivables 27 false false R28.htm 995755 - Disclosure - Liability for Unpaid Losses and Loss Adjustment Expenses (Tables) Sheet http://www.globalindemnity.ie/20260331/taxonomy/role/Role_DisclosureLiabilityForUnpaidLossesAndLossAdjustmentExpensesTables Liability for Unpaid Losses and Loss Adjustment Expenses (Tables) Tables http://www.globalindemnity.ie/20260331/taxonomy/role/Role_DisclosureLiabilityForUnpaidLossesAndLossAdjustmentExpenses 28 false false R29.htm 995785 - Disclosure - Shareholders' Equity (Tables) Sheet http://www.globalindemnity.ie/20260331/taxonomy/role/Role_DisclosureShareholdersEquityTables Shareholders' Equity (Tables) Tables http://www.globalindemnity.ie/20260331/taxonomy/role/Role_DisclosureShareholdersEquity 29 false false R30.htm 995795 - Disclosure - Earnings Per Share (Tables) Sheet http://www.globalindemnity.ie/20260331/taxonomy/role/Role_DisclosureEarningsPerShareTables Earnings Per Share (Tables) Tables http://www.globalindemnity.ie/20260331/taxonomy/role/Role_DisclosureEarningsPerShare 30 false false R31.htm 995805 - Disclosure - Segment Information (Tables) Sheet http://www.globalindemnity.ie/20260331/taxonomy/role/Role_DisclosureSegmentInformationTables Segment Information (Tables) Tables http://www.globalindemnity.ie/20260331/taxonomy/role/Role_DisclosureSegmentInformation 31 false false R32.htm 995815 - Disclosure - Principles of Consolidation and Basis of Presentation - Additional Information (Detail) Sheet http://www.globalindemnity.ie/20260331/taxonomy/role/Role_DisclosurePrinciplesOfConsolidationAndBasisOfPresentationAdditionalInformationDetail Principles of Consolidation and Basis of Presentation - Additional Information (Detail) Details 32 false false R33.htm 995875 - Disclosure - Schedule of Amortized Cost and Estimated Fair Value of Company's Fixed Maturities Securities (Detail) Sheet http://www.globalindemnity.ie/20260331/taxonomy/role/Role_DisclosureScheduleOfAmortizedCostAndEstimatedFairValueOfCompanySFixedMaturitiesSecuritiesDetail Schedule of Amortized Cost and Estimated Fair Value of Company's Fixed Maturities Securities (Detail) Details 33 false false R34.htm 995885 - Disclosure - Schedule of Investments In Equity Securities (Detail) Sheet http://www.globalindemnity.ie/20260331/taxonomy/role/DisclosureScheduleOfInvestmentsInEquitySecuritiesDetail Schedule of Investments In Equity Securities (Detail) Details 34 false false R35.htm 995895 - Disclosure - Investments - Additional Information (Detail) Sheet http://www.globalindemnity.ie/20260331/taxonomy/role/Role_DisclosureInvestmentsAdditionalInformationDetail Investments - Additional Information (Detail) Details 35 false false R36.htm 995905 - Disclosure - Summary of Amortized Cost and Estimated Fair Value Through Fixed Maturities (Detail) Sheet http://www.globalindemnity.ie/20260331/taxonomy/role/Role_DisclosureSummaryOfAmortizedCostAndEstimatedFairValueThroughFixedMaturitiesDetail Summary of Amortized Cost and Estimated Fair Value Through Fixed Maturities (Detail) Details 36 false false R37.htm 995915 - Disclosure - Summary of Securities with Gross Unrealized Losses (Detail) Sheet http://www.globalindemnity.ie/20260331/taxonomy/role/Role_DisclosureSummaryOfSecuritiesWithGrossUnrealizedLossesDetail Summary of Securities with Gross Unrealized Losses (Detail) Details 37 false false R38.htm 995945 - Disclosure - Schedule of Accumulated Other Comprehensive Income (Loss), Net of Tax (Detail) Sheet http://www.globalindemnity.ie/20260331/taxonomy/role/DisclosureScheduleOfAccumulatedOtherComprehensiveIncomeLossNetOfTaxDetail Schedule of Accumulated Other Comprehensive Income (Loss), Net of Tax (Detail) Details 38 false false R39.htm 995955 - Disclosure - Changes in Accumulated Other Comprehensive Income (Loss) (Detail) Sheet http://www.globalindemnity.ie/20260331/taxonomy/role/DisclosureChangesInAccumulatedOtherComprehensiveIncomeLossDetail Changes in Accumulated Other Comprehensive Income (Loss) (Detail) Details 39 false false R40.htm 995965 - Disclosure - Reclassifications Out of Accumulated Other Comprehensive Income (Loss) (Detail) Sheet http://www.globalindemnity.ie/20260331/taxonomy/role/DisclosureReclassificationsOutOfAccumulatedOtherComprehensiveIncomeLossDetail Reclassifications Out of Accumulated Other Comprehensive Income (Loss) (Detail) Details 40 false false R41.htm 995975 - Disclosure - Components of Net Realized Investment Gains (Losses) (Detail) Sheet http://www.globalindemnity.ie/20260331/taxonomy/role/DisclosureComponentsOfNetRealizedInvestmentGainsLossesDetail Components of Net Realized Investment Gains (Losses) (Detail) Details 41 false false R42.htm 995995 - Disclosure - Summary of Calculation of Realized Gains and Losses (Detail) Sheet http://www.globalindemnity.ie/20260331/taxonomy/role/Role_DisclosureSummaryOfCalculationOfRealizedGainsAndLossesDetail Summary of Calculation of Realized Gains and Losses (Detail) Details 42 false false R43.htm 996005 - Disclosure - Schedule of Proceeds From Sales and Redemptions of Available for Sale Securities (Detail) Sheet http://www.globalindemnity.ie/20260331/taxonomy/role/Role_DisclosureScheduleOfProceedsFromSalesAndRedemptionsOfAvailableForSaleSecuritiesDetail Schedule of Proceeds From Sales and Redemptions of Available for Sale Securities (Detail) Details 43 false false R44.htm 996015 - Disclosure - Schedule of Investment Income (Detail) Sheet http://www.globalindemnity.ie/20260331/taxonomy/role/Role_DisclosureScheduleOfInvestmentIncomeDetail Schedule of Investment Income (Detail) Details 44 false false R45.htm 996025 - Disclosure - Schedule of Total Investment Return (Detail) Sheet http://www.globalindemnity.ie/20260331/taxonomy/role/Role_DisclosureScheduleOfTotalInvestmentReturnDetail Schedule of Total Investment Return (Detail) Details 45 false false R46.htm 996035 - Disclosure - Summary of Estimated Fair Values of Bonds Held on Deposit (Detail) Sheet http://www.globalindemnity.ie/20260331/taxonomy/role/Role_DisclosureSummaryOfEstimatedFairValuesOfBondsHeldOnDepositDetail Summary of Estimated Fair Values of Bonds Held on Deposit (Detail) Details 46 false false R47.htm 996045 - Disclosure - Summary of Estimated Fair Values of Bonds Held on Deposit (Parenthetical) (Detail) Sheet http://www.globalindemnity.ie/20260331/taxonomy/role/DisclosureSummaryOfEstimatedFairValuesOfBondsHeldOnDepositParentheticalDetail Summary of Estimated Fair Values of Bonds Held on Deposit (Parenthetical) (Detail) Details 47 false false R48.htm 996085 - Disclosure - Company's Invested Assets Measured at Fair Value on Recurring Basis (Detail) Sheet http://www.globalindemnity.ie/20260331/taxonomy/role/DisclosureCompanysInvestedAssetsMeasuredAtFairValueOnRecurringBasisDetail Company's Invested Assets Measured at Fair Value on Recurring Basis (Detail) Details 48 false false R49.htm 996105 - Disclosure - Fair Value Measurements - Additional Information (Detail) Sheet http://www.globalindemnity.ie/20260331/taxonomy/role/Role_DisclosureFairValueMeasurementsAdditionalInformationDetail Fair Value Measurements - Additional Information (Detail) Details 49 false false R50.htm 996115 - Disclosure - Carrying Value and Future Funding Commitments Related to These Investments (Detail) Sheet http://www.globalindemnity.ie/20260331/taxonomy/role/DisclosureCarryingValueAndFutureFundingCommitmentsRelatedToTheseInvestmentsDetail Carrying Value and Future Funding Commitments Related to These Investments (Detail) Details 50 false false R51.htm 996125 - Disclosure - Carrying Value and Future Funding Commitments Related to These Investments (Parenthetical) (Detail) Sheet http://www.globalindemnity.ie/20260331/taxonomy/role/DisclosureCarryingValueAndFutureFundingCommitmentsRelatedToTheseInvestmentsParentheticalDetail Carrying Value and Future Funding Commitments Related to These Investments (Parenthetical) (Detail) Details 51 false false R52.htm 996135 - Disclosure - Goodwill and Intangible Assets - Additional Information (Detail) Sheet http://www.globalindemnity.ie/20260331/taxonomy/role/DisclosureGoodwillAndIntangibleAssetsAdditionalInformationDetail Goodwill and Intangible Assets - Additional Information (Detail) Details 52 false false R53.htm 996185 - Disclosure - Allowance for Expected Credit Losses - Premium Receivables and Reinsurance Receivables - Schedule of Allowance for Credit Losses Related to Premium Receivables (Detail) Sheet http://www.globalindemnity.ie/20260331/taxonomy/role/Role_DisclosureAllowanceForExpectedCreditLossesPremiumReceivablesAndReinsuranceReceivablesScheduleOfAllowanceForCreditLossesRelatedToPremiumReceivablesDetail Allowance for Expected Credit Losses - Premium Receivables and Reinsurance Receivables - Schedule of Allowance for Credit Losses Related to Premium Receivables (Detail) Details 53 false false R54.htm 996205 - Disclosure - Allowance for Expected Credit Losses - Premium Receivables and Reinsurance Receivables - Additional information (Details) Sheet http://www.globalindemnity.ie/20260331/taxonomy/role/DisclosureAllowanceForExpectedCreditLossesPremiumReceivablesAndReinsuranceReceivablesAdditionalInformationDetails Allowance for Expected Credit Losses - Premium Receivables and Reinsurance Receivables - Additional information (Details) Details 54 false false R55.htm 996215 - Disclosure - Income Taxes - Additional Information (Detail) Sheet http://www.globalindemnity.ie/20260331/taxonomy/role/Role_DisclosureIncomeTaxesAdditionalInformationDetail Income Taxes - Additional Information (Detail) Details 55 false false R56.htm 996225 - Disclosure - Summarized Activity in Liability for Unpaid Losses and Loss Adjustment Expenses (Detail) Sheet http://www.globalindemnity.ie/20260331/taxonomy/role/Role_DisclosureSummarizedActivityInLiabilityForUnpaidLossesAndLossAdjustmentExpensesDetail Summarized Activity in Liability for Unpaid Losses and Loss Adjustment Expenses (Detail) Details 56 false false R57.htm 996235 - Disclosure - Liability for Unpaid Losses and Loss Adjustment Expenses - Additional Information (Detail) Sheet http://www.globalindemnity.ie/20260331/taxonomy/role/Role_DisclosureLiabilityForUnpaidLossesAndLossAdjustmentExpensesAdditionalInformationDetail Liability for Unpaid Losses and Loss Adjustment Expenses - Additional Information (Detail) Details 57 false false R58.htm 996325 - Disclosure - Share-Based Compensation Plans - Additional Information (Detail) Sheet http://www.globalindemnity.ie/20260331/taxonomy/role/Role_DisclosureShareBasedCompensationPlansAdditionalInformationDetail Share-Based Compensation Plans - Additional Information (Detail) Details 58 false false R59.htm 996335 - Disclosure - Related Party Transactions - Additional Information (Detail) Sheet http://www.globalindemnity.ie/20260331/taxonomy/role/Role_DisclosureRelatedPartyTransactionsAdditionalInformationDetail Related Party Transactions - Additional Information (Detail) Details 59 false false R60.htm 996345 - Disclosure - Commitments and Contingencies - Additional Information (Detail) Sheet http://www.globalindemnity.ie/20260331/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesAdditionalInformationDetail Commitments and Contingencies - Additional Information (Detail) Details 60 false false R61.htm 996355 - Disclosure - Shareholders' Equity - Additional Information (Detail) Sheet http://www.globalindemnity.ie/20260331/taxonomy/role/Role_DisclosureShareholdersEquityAdditionalInformationDetail Shareholders' Equity - Additional Information (Detail) Details 61 false false R62.htm 996365 - Disclosure - Schedule of Distributions Declared (Detail) Sheet http://www.globalindemnity.ie/20260331/taxonomy/role/DisclosureScheduleOfDistributionsDeclaredDetail Schedule of Distributions Declared (Detail) Details 62 false false R63.htm 996375 - Disclosure - Computation of Basic and Diluted Earnings Per Share (Detail) Sheet http://www.globalindemnity.ie/20260331/taxonomy/role/Role_DisclosureComputationOfBasicAndDilutedEarningsPerShareDetail Computation of Basic and Diluted Earnings Per Share (Detail) Details 63 false false R64.htm 996395 - Disclosure - Earning Per Share - Additional Information (Detail) Sheet http://www.globalindemnity.ie/20260331/taxonomy/role/Role_DisclosureEarningPerShareAdditionalInformationDetail Earning Per Share - Additional Information (Detail) Details 64 false false R65.htm 996405 - Disclosure - Segment Information - Additional Information (Detail) Sheet http://www.globalindemnity.ie/20260331/taxonomy/role/Role_DisclosureSegmentInformationAdditionalInformationDetail Segment Information - Additional Information (Detail) Details 65 false false R66.htm 996415 - Disclosure - Summary of Business Segment Information (Detail) Sheet http://www.globalindemnity.ie/20260331/taxonomy/role/Role_DisclosureSummaryOfBusinessSegmentInformationDetail Summary of Business Segment Information (Detail) Details 66 false false R67.htm 996435 - Disclosure - Summary of Business Segment Information (Parenthetical) (Detail) Sheet http://www.globalindemnity.ie/20260331/taxonomy/role/DisclosureSummaryOfBusinessSegmentInformationParentheticalDetail Summary of Business Segment Information (Parenthetical) (Detail) Details 67 false false R68.htm 996445 - Disclosure - Supplemental Non-Cash Investing and Financing Activities - Additional Information (Details) Sheet http://www.globalindemnity.ie/20260331/taxonomy/role/DisclosureSupplementalNoncashInvestingAndFinancingActivitiesAdditionalInformationDetails Supplemental Non-Cash Investing and Financing Activities - Additional Information (Details) Details 68 false false All Reports Book All Reports gbli-20260331.htm gbli-20260331.xsd http://fasb.org/srt/2025 http://fasb.org/us-gaap/2025 http://xbrl.sec.gov/dei/2025 http://xbrl.sec.gov/ecd/2025 false false