Change in short-term investments Payments for (Proceeds from) Short-Term Investments Document Fiscal Year Focus Document Fiscal Year Focus Financial Instrument [Axis] Financial Instrument [Axis] Liability for Unpaid Claims and Claims Adjustment Expense, Activity in Liability [Abstract] Liability for Unpaid Claims and Claims Adjustment Expense, Activity in Liability [Abstract] Common shares (authorized: 750,000,000 shares at $0.01 par value per share; issued and outstanding: 42,466,701 shares – June 30, 2026, 42,842,216 shares – December 31, 2025) Common Stock, Value, Issued Total investments Investments Short-tail business Short-Duration Insurance, Other [Member] Retained earnings Retained Earnings [Member] Description of Business [Abstract] Description of Business [Abstract] Description of Business [Abstract] Total expenses Operating Expenses Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Common shares, shares outstanding (in shares) Common Stock, Shares, Outstanding Corporate bonds Corporate Debt Securities [Member] Diluted earnings per share attributable to equity holders (in USD per share) Diluted earnings per share (in USD per share) Earnings Per Share, Diluted Net cash flows used in financing activities Cash Provided by (Used in) Financing Activity, Including Discontinued Operation Change in allowance for expected credit losses on investments Debt Securities, Allowance for Credit Loss, Period Increase (Decrease) Debt Securities, Allowance for Credit Loss, Period Increase (Decrease) Net unrealized gain on investments Unrealized Gain (Loss) on Investments Amendment Flag Amendment Flag Investment income Net Investment Income Other investments, at fair value (cost: $13,016 – June 30, 2026, $12,028 – December 31, 2025) Other Investments, FV-NI, Cost Other Investments, FV-NI, Cost Net written premiums Premiums Written, Net CASH FLOWS FROM FINANCING ACTIVITIES Cash Provided by (Used in) Financing Activity, Including Discontinued Operation [Abstract] Other comprehensive income, net of taxes: Other Comprehensive Income (Loss), Net of Tax [Abstract] Financial Instruments [Domain] Financial Instruments [Domain] Ceded unearned premiums Prepaid Reinsurance Premiums Other revenues Other Income Schedule of Reconciliation of Cash and Restricted Cash Schedule of Cash and Cash Equivalents [Table Text Block] Change in allowance for expected credit losses on receivables Accounts Receivable, Allowance for Credit Loss, Period Increase (Decrease) Foreign currency translation adjustment Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax Common shares, par value (in USD per share) Common Stock, Par or Stated Value Per Share Assets measured at fair value: Assets, Fair Value Disclosure [Abstract] Weighted average number of shares – basic (in shares) Weighted Average Number of Shares Outstanding, Basic Investments Investments [Abstract] Long-tail business Long-Duration Insurance, Other [Member] Equity-method investments measured at fair value Equity Method Investments, Fair Value Disclosure Current Fiscal Year End Date Current Fiscal Year End Date Statement of Financial Position [Abstract] Statement of Financial Position [Abstract] Basis of presentation Basis of Accounting, Policy [Policy Text Block] Net income available to common shareholders Net Income (Loss) Available to Common Stockholders, Basic Loss and loss adjustment expenses incurred, net of reinsurance: Liability for Unpaid Claims and Claims Adjustment Expense, Incurred Claims [Abstract] Proceeds from issuance of common stock under Employee Stock Purchase Plan Proceeds from Stock Plans Transfer from level 2 to level 1 Fair Value, Debt Security, Measured On Recurring Basis, Transfer From Level 2 to Level 1 Fair Value, Debt Security, Measured On Recurring Basis, Transfer From Level 2 to Level 1 Foreign government bonds Debt Security, Government, Non-US [Member] Level 2 Fair Value, Inputs, Level 2 [Member] Dividends declared (in USD per share) Common Stock, Dividends, Per Share, Declared Entity File Number Entity File Number Issuance of common shares under share-based compensation plan Shares Issued, Value, Share-Based Payment Arrangement, after Forfeiture Other comprehensive (loss) income Other comprehensive income (loss) Other Comprehensive Income (Loss), Net of Tax Cost Treasury Stock Cost [Abstract] Treasury Stock Cost Schedule of Liability for Unpaid Claims and Claims Adjustment Expense Schedule of Liability for Unpaid Claims and Claims Adjustment Expense [Table Text Block] Other expenses Other Expenses Treasury Stock, Value [Abstract] Treasury Stock, Value [Abstract] Common shares, shares issued (in shares) Common Stock, Shares, Issued DESCRIPTION OF BUSINESS Business Description and Basis of Presentation [Text Block] Treasury shares (in shares) Treasury shares, beginning balance (in shares) Treasury shares, ending balance (in shares) Treasury Stock, Common, Shares Net premiums earned Premiums Earned, Net Treasury shares (187,497 shares –June 30, 2026, 1,407 shares – December 31, 2025) Treasury Stock, Value Recent accounting pronouncements New Accounting Pronouncements, Policy [Policy Text Block] Net change in unearned premiums (Increase) Decrease in Unearned Premiums, Net Equity Components [Axis] Equity Components [Axis] Product and Service [Domain] Product and Service [Domain] Restricted Cash [Abstract] Total comprehensive income (loss) Comprehensive Income (Loss), Net of Tax, Attributable to Parent Unearned premiums Unearned Premiums Document Period End Date Document Period End Date Net cash flows from investing activities Cash Provided by (Used in) Investing Activity, Including Discontinued Operation Subsequent Events [Abstract] Subsequent Events [Abstract] Fair Value, Recurring and Nonrecurring [Table] Fair Value, Recurring and Nonrecurring [Table] Proceeds from sale of equity securities and other investments Proceeds From Sale Of Equity Securities And Other Investments Proceeds from sale of equity securities and other investments. Current accident year Current Year Claims and Claims Adjustment Expense Gross written premiums Premiums Written, Gross Document Type Document Type Fair Value (Details) [Line Items] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES Significant Accounting Policies [Text Block] Accumulated other comprehensive (loss) income, net of taxes Accumulated Other Comprehensive Income (Loss), Net of Tax Statement of Stockholders' Equity [Abstract] Statement of Stockholders' Equity [Abstract] Treasury Shares [Roll Forward] Treasury Shares [Roll Forward] Treasury Shares Purchase of equity securities and other investments Purchase Of Equity Securities And Other Investments The cash outflow for acquisition of machinery and equipment. Statement of Comprehensive Income [Abstract] Statement of Comprehensive Income [Abstract] EARNINGS PER SHARE Earnings Per Share [Text Block] Entity Registrant Name Entity Registrant Name Earnings per share Earnings Per Share [Abstract] Short-term investments Other Short-Term Investments Document Fiscal Period Focus Document Fiscal Period Focus Income before taxes Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Reinsurance recoverables, net of allowance for expected credit losses ($920 – June 30, 2026, $900 – December 31, 2025) Reinsurance Recoverable, Allowance for Credit Loss TOTAL LIABILITIES Liabilities Total revenues Revenues Other Investments Alternative Investment Purchase of fixed maturity securities available-for-sale Payments to Acquire Debt Securities, Available-for-Sale LIABILITIES AND SHAREHOLDERS’ EQUITY Liabilities and Equity [Abstract] Schedule of Assets and Liabilities Measured at Fair Value Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] Change in unrealized (losses) gains on fixed maturity securities available-for-sale OCI, Debt Securities, Available-for-Sale, Gain (Loss), after Adjustment and Tax FAIR VALUE Fair Value Disclosures [Text Block] Level 3 Fair Value, Inputs, Level 3 [Member] Supplemental Cash Flow Information: Supplemental Cash Flow Information [Abstract] Repurchases (in shares) Treasury Stock, Shares, Acquired Equity securities, at fair value (cost: $25,887 – June 30, 2026, $16,086 – December 31, 2025) Equity Securities, FV-NI, Cost Reserve for unpaid loss and loss adjustment expenses Reserve for unpaid loss and loss adjustment expenses at beginning of period / year Reserve for unpaid loss and loss adjustment expenses at end of period / year Liability for Claims and Claims Adjustment Expense CASH FLOWS FROM OPERATING ACTIVITIES: Cash Provided by (Used in) Operating Activity, Including Discontinued Operation [Abstract] Net loss and loss adjustment expenses paid Liability for Unpaid Claims and Claims Adjustment Expense, Claims Paid Restricted cash (included in other assets) Restricted Cash Weighted average number of shares – diluted (in shares) Weighted Average Number of Shares Outstanding, Diluted Income tax paid Income Tax Paid, before Refund Received Other assets Other Assets Less: dividends attributable to the common shares under share-based compensation plan Dividends Cancellation Treasury Stock, Retired, Cost Method, Par Value Amount Treasury Stock, Retired, Cost Method, Par Value Amount Purchase of treasury shares Treasury Stock, Value, Acquired, Cost Method Cash, cash equivalents and restricted cash at the beginning of the period CASH, CASH EQUIVALENTS AND RESTRICTED CASH AT THE END OF THE PERIOD Total cash, cash equivalents and restricted cash Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Accrued investment income Accrued Investment Income Receivable Treasury shares Treasury Stock, Common [Member] Reinsurance recoverables on paid losses, net of allowance for expected credit losses Reinsurance Recoverable for Paid Claims and Claims Adjustments Level 1 Fair Value, Inputs, Level 1 [Member] Net reserve for unpaid loss and loss adjustment expenses at beginning of period / year Liability for Unpaid Claims and Claims Adjustment Expense, Net Proceeds from maturity of fixed maturity securities held to maturity Proceeds from Sale and Maturity of Held-to-Maturity Securities Basic earnings per share attributable to equity holders (in USD per share) Basic earnings per share (in USD per share) Earnings Per Share, Basic Repurchase of common shares under share repurchase program Payments for Repurchase of Common Stock Schedule of Movement in Treasury Shares Class of Treasury Stock [Table Text Block] Retained earnings Retained Earnings (Accumulated Deficit) Product and Service [Axis] Product and Service [Axis] Net policy acquisition expenses Deferred Policy Acquisition Costs, Amortization Expense Equity securities, at fair value (cost: $25,887 – June 30, 2026, $16,086 – December 31, 2025) Equity securities Equity Securities, FV-NI Balance at December 31, 2025 Balance at June 30, 2026 Treasury Stock, Common, Par Value Treasury Stock, Common, Par Value Common shares at par value Common Stock [Member] Fixed maturity securities available-for-sale, at fair value (amortized cost: $1,009,589 – June 30, 2026, $1,054,347 – December 31, 2025) Fixed maturity securities available for sale: Debt Securities, Available-for-Sale Loss and loss adjustment expenses paid, net of reinsurance: Liability for Unpaid Claims and Claims Adjustment Expense, Claims Paid [Abstract] Cover [Abstract] Schedule of the income and share data used in the basic and diluted earnings per share Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Common shares under share-based compensation plan (in shares) Weighted Average Number of Shares, Employee Stock Ownership Plan Shares Not Committed to be Released Fair Value Disclosures [Abstract] Fair Value Disclosures [Abstract] Reinsurance recoverables, net of allowance for expected credit losses ($920 – June 30, 2026, $900 – December 31, 2025) Total reinsurance recoverables Reinsurance Recoverable for Paid and Unpaid Claims and Claims Adjustments NET CHANGE IN CASH, AND CASH EQUIVALENTS AND RESTRICTED CASH Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Excluding Exchange Rate Effect, Including Discontinued Operation LIABILITIES Liabilities [Abstract] TOTAL LIABILITIES AND SHAREHOLDERS’ EQUITY Liabilities and Equity Net realized gain on investments Realized Investment Gains (Losses) Other liabilities Other Liabilities Common shares, shares authorized (in shares) Common Stock, Shares Authorized Additional paid-in capital Additional Paid in Capital Reinsurance recoverables on unpaid loss and loss adjustment expenses, net of allowance for expected credit losses Reinsurance recoverables on unpaid loss and loss adjustment expenses, net of allowance for expected credit losses Reinsurance recoverables on unpaid losses, net of allowance for expected credit losses Reinsurance Recoverable for Unpaid Claims and Claims Adjustments RESERVE FOR UNPAID LOSS AND LOSS ADJUSTMENT EXPENSES Liability for Future Policy Benefits and Unpaid Claims Disclosure [Text Block] Change in allowance for expected credit losses on reinsurance recoverables on unpaid loss and loss adjustment expenses Reinsurance Recoverable on Unpaid Losses, Allowance for Credit Loss, Period Increase (Decrease) Reinsurance Recoverable on Unpaid Losses, Allowance for Credit Loss, Period Increase (Decrease) CASH FLOWS FROM INVESTING ACTIVITIES Cash Provided by (Used in) Investing Activity, Including Discontinued Operation [Abstract] Fixed maturity securities held to maturity Debt Securities, Held-to-Maturity, Excluding Accrued Interest, after Allowance for Credit Loss Reinsurance Recoverable, Allowance for Credit Loss Reinsurance Recoverable, Allowance for Credit Loss [Table Text Block] Ceded written premiums Ceded Premiums Written Proceeds from sale/maturity of fixed maturity securities available-for-sale Proceeds from Sale and Maturity of Debt Securities, Available-for-Sale General and administrative expenses General and Administrative Expense Prior accident years Liability for Unpaid Claims and Claims Adjustment Expense, Claims Paid, Prior Years Equity Component [Domain] Equity Component [Domain] Deferred policy acquisition costs, net of ceding commission Deferred Policy Acquisition Cost Purchases of property and equipment and Intangible assets Payments to Acquire Productive Assets Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Assets measured at fair value: Assets, Fair Value Disclosure Reserves for Unpaid Loss and Loss Adjustment Expenses (Details) [Line Items] Liability for Claims and Claims Adjustment Expense [Line Items] Dividends paid Dividends, Common Stock, Cash Premiums receivable, net of allowance for expected credit losses ($14,029 – June 30, 2026, $13,595 – December 31, 2025) Premium Receivable, Allowance for Credit Loss TOTAL SHAREHOLDERS’ EQUITY Shareholder’s equity beginning balance Shareholder’s equity ending balance Equity, Attributable to Parent Liability for Unpaid Claims and Claims Adjustment Expense [Roll Forward] Liability for Unpaid Claims and Claims Adjustment Expense [Roll Forward] Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] ASSETS Assets [Abstract] Repurchases Treasury Stock, Par Value, Acquired, Cost Method Treasury Stock, Par Value, Acquired, Cost Method Other investments, at fair value (cost: $13,016 – June 30, 2026, $12,028 – December 31, 2025) Other Investments Accounting Policies [Abstract] Accounting Policies [Abstract] Fixed maturity securities available-for-sale, at fair value (amortized cost: $1,009,589 – June 30, 2026, $1,054,347 – December 31, 2025) Debt Securities, Available-for-Sale, Amortized Cost Additional paid-in capital Additional Paid-in Capital [Member] TREASURY SHARES Treasury Stock [Text Block] Change in term deposits Increase (Decrease) In Term Deposits Classified as Investing Activities Increase (Decrease) In Term Deposits Classified as Investing Activities Current accident year Liability for Unpaid Claims and Claims Adjustment Expense, Claims Paid, Current Year Net loss and loss adjustment expenses Net loss and loss adjustment expenses Net loss and loss adjustment expenses Liability for Unpaid Claims and Claims Adjustment Expense, Incurred Claims Cash and cash equivalents Cash and Cash Equivalent Cancellation of treasury shares Treasury Stock, Retired, Cost Method, Amount Entity Central Index Key Entity Central Index Key RESTRICTED CASH Cash and Cash Equivalents Disclosure [Text Block] Net cash flows from operating activities Cash Provided by (Used in) Operating Activity, Including Discontinued Operation Transfer from level 1 to level 2 Fair Value, Debt Security, Measured On Recurring Basis, Transfer From Level 1 to Level 2 Fair Value, Debt Security, Measured On Recurring Basis, Transfer From Level 1 to Level 2 Prior accident years Prior Year Claims and Claims Adjustment Expense Income Statement [Abstract] Income Statement [Abstract] SHAREHOLDERS’ EQUITY Equity, Attributable to Parent [Abstract] Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Reserves for Unpaid Loss and Loss Adjustment Expenses (Details) [Table] Liability for Claims and Claims Adjustment Expense [Table] Income tax expense Income Tax Expense (Benefit) Net foreign exchange (loss) gain Gain (Loss), Foreign Currency Transaction, before Tax EXPENSES: Operating Expenses [Abstract] Insurance and reinsurance payables Insurance And Reinsurance Payables Insurance And Reinsurance Payables Deferred tax assets, net Deferred Income Tax Assets, Net Premiums receivable, net of allowance for expected credit losses ($14,029 – June 30, 2026, $13,595 – December 31, 2025) Premiums Receivable, Net Net income Net income Net Income Net Income (Loss) Attributable to Parent Accumulated other comprehensive (loss) income AOCI Attributable to Parent [Member] Proceeds from sale of property and equipment Proceeds from Sale of Property, Plant, and Equipment Statement [Table] Statement [Table] SUBSEQUENT EVENTS Subsequent Events [Text Block] Dividends paid Payments of Dividends Statement [Line Items] Statement [Line Items] Reinsurance business Reinsurance Business [Member] Reinsurance Business TOTAL ASSETS Assets Number of shares Treasury Stock, Number of Shares and Restriction Disclosures [Abstract] Net investment income Investment Income, Net REVENUES: Revenues [Abstract] Cancellations (in shares) Treasury Stock, Shares, Retired