0000001 - Document - Document and Entity Information link:presentationLink link:calculationLink link:definitionLink 9952151 - Statement - Unaudited Consolidated Balance Sheets link:presentationLink link:calculationLink link:definitionLink 9952152 - Statement - Unaudited Consolidated Balance Sheets (Parentheticals) link:presentationLink link:calculationLink link:definitionLink 9952153 - Statement - Unaudited Consolidated Statements of Income link:presentationLink link:calculationLink link:definitionLink 9952154 - Statement - Unaudited Consolidated Statements of Comprehensive Income link:presentationLink link:calculationLink link:definitionLink 9952155 - Statement - Unaudited Consolidated Statements of Changes in Shareholders' Equity link:presentationLink link:calculationLink link:definitionLink 9952156 - Statement - Unaudited Consolidated Statements of Cash Flows link:presentationLink link:calculationLink link:definitionLink 9952157 - Disclosure - Basis of Presentation and Recent Accounting Pronouncements link:presentationLink link:calculationLink link:definitionLink 9952158 - Disclosure - Acquisition link:presentationLink link:calculationLink link:definitionLink 9952159 - Disclosure - Share Transactions link:presentationLink link:calculationLink link:definitionLink 9952160 - Disclosure - Earnings Per Common Share link:presentationLink link:calculationLink link:definitionLink 9952161 - Disclosure - Segment Information link:presentationLink link:calculationLink link:definitionLink 9952162 - Disclosure - Reserve for Losses and Loss Adjustment Expenses link:presentationLink link:calculationLink link:definitionLink 9952163 - Disclosure - Allowance for Expected Credit Losses link:presentationLink link:calculationLink link:definitionLink 9952164 - Disclosure - Investment Information link:presentationLink link:calculationLink link:definitionLink 9952165 - Disclosure - Fair Value link:presentationLink link:calculationLink link:definitionLink 9952166 - Disclosure - Derivative Instruments link:presentationLink link:calculationLink link:definitionLink 9952167 - Disclosure - Commitments and Contingencies link:presentationLink link:calculationLink link:definitionLink 9952168 - Disclosure - Variable Interest Entities link:presentationLink link:calculationLink link:definitionLink 9952169 - Disclosure - Other Comprehensive Income (Loss) link:presentationLink link:calculationLink link:definitionLink 9952170 - Disclosure - Income Taxes link:presentationLink link:calculationLink link:definitionLink 9952171 - Disclosure - Legal Proceedings link:presentationLink link:calculationLink link:definitionLink 9952172 - Disclosure - Transactions With Related Parties link:presentationLink link:calculationLink link:definitionLink 9955511 - Disclosure - Basis of Presentation and Recent Accounting Pronouncements (Policies) link:presentationLink link:calculationLink link:definitionLink 9955512 - Disclosure - Acquisition (Tables) link:presentationLink link:calculationLink link:definitionLink 9955513 - Disclosure - Earnings Per Common Share (Tables) link:presentationLink link:calculationLink link:definitionLink 9955514 - Disclosure - Segment Information (Tables) link:presentationLink link:calculationLink link:definitionLink 9955515 - Disclosure - Reserve for Losses and Loss Adjustment Expenses (Tables) link:presentationLink link:calculationLink link:definitionLink 9955516 - Disclosure - Allowance for Expected Credit Losses (Tables) link:presentationLink link:calculationLink link:definitionLink 9955517 - Disclosure - Investment Information (Tables) link:presentationLink link:calculationLink link:definitionLink 9955518 - Disclosure - Fair Value (Tables) link:presentationLink link:calculationLink link:definitionLink 9955519 - Disclosure - Derivative Instruments (Tables) link:presentationLink link:calculationLink link:definitionLink 9955520 - Disclosure - Variable Interest Entities (Tables) link:presentationLink link:calculationLink link:definitionLink 9955521 - Disclosure - Other Comprehensive Income (Loss) (Tables) link:presentationLink link:calculationLink link:definitionLink 9955522 - Disclosure - Acquisition - Summary of allocation of purchase price (Details) link:presentationLink link:calculationLink link:definitionLink 9955523 - Disclosure - Share Transactions - Share repurchases (Details) link:presentationLink link:calculationLink link:definitionLink 9955524 - Disclosure - Earnings Per Common Share (Details) link:presentationLink link:calculationLink link:definitionLink 9955525 - Disclosure - Segment Information - Summary of underwriting income or loss by segment (Details) link:presentationLink link:calculationLink link:definitionLink 9955526 - Disclosure - Reserve for Losses and Loss Adjustment Expenses - Reconciliation of beginning and ending balances of losses and loss adjustment reserves (Details) link:presentationLink link:calculationLink link:definitionLink 9955527 - Disclosure - Reserve for Losses and Loss Adjustment Expenses - Prior year development (Details) link:presentationLink link:calculationLink link:definitionLink 9955528 - Disclosure - Allowance for Expected Credit Losses - Premiums receivable (Details) link:presentationLink link:calculationLink link:definitionLink 9955529 - Disclosure - Allowance for Expected Credit Losses - Reinsurance recoverables (Details) link:presentationLink link:calculationLink link:definitionLink 9955530 - Disclosure - Allowance for Expected Credit Losses - Ceded credit risk (Details) link:presentationLink link:calculationLink link:definitionLink 9955531 - Disclosure - Allowance for Expected Credit Losses - Contractholder receivables (Details) link:presentationLink link:calculationLink link:definitionLink 9955532 - Disclosure - Investment Information - Summary of available for sale securities (Details) link:presentationLink link:calculationLink link:definitionLink 9955533 - Disclosure - Investment Information - Aging of available for sale securities in an unrealized loss position (Details) link:presentationLink link:calculationLink link:definitionLink 9955534 - Disclosure - Investment Information - Maturity profile of available for sale securities) (Details) link:presentationLink link:calculationLink link:definitionLink 9955535 - Disclosure - Investment Information - Other investments, at fair value (Details) link:presentationLink link:calculationLink link:definitionLink 9955536 - Disclosure - Investment Information - Net investment income (Details) link:presentationLink link:calculationLink link:definitionLink 9955537 - Disclosure - Investment Information - Net realized gains and losses (Details) link:presentationLink link:calculationLink link:definitionLink 9955538 - Disclosure - Investment Information - Investments accounted for using the equity method (Details) link:presentationLink link:calculationLink link:definitionLink 9955539 - Disclosure - Investment Information - Limited partnership interests (Details) link:presentationLink link:calculationLink link:definitionLink 9955540 - Disclosure - Investment Information - Investment in operating affiliates (Details) link:presentationLink link:calculationLink link:definitionLink 9955541 - Disclosure - Investment Information - Allowance for expected credit losses (Details) link:presentationLink link:calculationLink link:definitionLink 9955542 - Disclosure - Investment Information - Restricted assets (Details) link:presentationLink link:calculationLink link:definitionLink 9955543 - Disclosure - Investment Information - Cash and restricted cash (Details) link:presentationLink link:calculationLink link:definitionLink 9955544 - Disclosure - Investment Information - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955545 - Disclosure - Fair Value - Fair Value Hierarchy (Details) link:presentationLink link:calculationLink link:definitionLink 9955546 - Disclosure - Fair Value - Rollforward of Level 3 assets and liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 9955547 - Disclosure - Fair Value - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955548 - Disclosure - Derivative Instruments - Fair value and notional amount of derivatives (Details) link:presentationLink link:calculationLink link:definitionLink 9955549 - Disclosure - Derivative Instruments - Summary of net realized gains (losses) recorded in the consolidated statements of income (Details) link:presentationLink link:calculationLink link:definitionLink 9955550 - Disclosure - Commitments and Contingencies (Details) link:presentationLink link:calculationLink link:definitionLink 9955551 - Disclosure - Commitments and Contingencies - Senior Notes (Details) link:presentationLink link:calculationLink link:definitionLink 9955552 - Disclosure - Variable Interest Entities (Details) link:presentationLink link:calculationLink link:definitionLink 9955553 - Disclosure - Other Comprehensive Income (Loss) - Amounts reclassified from accumulated other comprehensive income (Details) link:presentationLink link:calculationLink link:definitionLink 9955554 - Disclosure - Other Comprehensive Income (Loss) - Tax effects on components of other comprehensive income (Details) link:presentationLink link:calculationLink link:definitionLink 9955555 - Disclosure - Income Taxes (Details) link:presentationLink link:calculationLink link:definitionLink 9955556 - Disclosure - Transactions With Related Parties (Details) link:presentationLink link:calculationLink link:definitionLink