Amendment Flag Current Fiscal Year End Date Document Period End Date Entities [Table] Entity Information [Line Items] Entity Well-known Seasoned Issuer Entity Voluntary Filers Entity Current Reporting Status Entity Filer Category Entity Public Float Entity Registrant Name Entity Central Index Key Entity Common Stock, Shares Outstanding Document Fiscal Year Focus Document Fiscal Period Focus Document Type Award Type [Axis] Gross unrealized loss, less than 12 months Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Losses Gross unrealized loss, total Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses Gross unrealized loss, 12 months or longer Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Losses Gross Unrealized Gains Available-for-sale Securities, Gross Unrealized Gains Summary of Significant Accounting Policies [Abstract] Accounts payable and accrued expenses Accounts Payable and Accrued Liabilities Foreign exchange adjustment Unrealized holding gains on available-for-sale securities [Member] Accumulated Other Comprehensive Income [Abstract] Total accumulated other comprehensive income, ending balance Total accumulated other comprehensive income, beginning balance Accumulated Other Comprehensive Income (Loss), Net of Tax Foreign Currency [Member] Additional paid-in capital Total fair value Assets, Fair Value Disclosure Assets Assets [Abstract] Total Assets Assets Total, Fair Value Available-for-sale Securities, Debt Securities, Current Fair value, 12 months or less Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value Asset-backed securities, Fair Value Available-for-sale Securities, Debt Maturities, without Single Maturity Date, Fair Value Available-for-sale securities continuous unrealized loss position, Fair Value [Abstract] Excess of one year to five years, Fair Value Available-for-sale Securities, Debt Maturities, Year Two Through Five, Fair Value One year or less, Fair Value Available-for-sale securities debt maturities amortized cost basis [Abstract] Fair Value Available-for-sale Securities Excess of ten years, Amortized Cost Basis Available-for-sale Securities, Debt Maturities, after Ten Years, Amortized Cost Basis Cost or Amortized Cost Available-for-sale Equity Securities, Amortized Cost Basis Available-for-sale securities continuous unrealized loss position, aggregate losses [Abstract] Fair value, 12 months or longer Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value One year or less, Amortized Cost Basis Available-for-sale Securities, Debt Maturities, Next Twelve Months, Amortized Cost Basis Net Unrealized Gains (Losses) Available-for-sale Securities, Gross Unrealized Gain (Loss) Asset-backed securities, Amortized Cost Basis Available-for-sale Securities, Debt Maturities, without Single Maturity Date, Amortized Cost Basis Excess of five years to ten years, Amortized Cost Basis Available-for-sale Securities, Debt Maturities, Year Six Through Ten, Amortized Cost Basis Excess of five years to ten years, Fair Value Available-for-sale Securities, Debt Maturities, Year Six Through Ten, Fair Value Summary of available for sale securities Available-for-sale securities debt maturities fair value [Abstract] Fair value, total Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value Gross Unrealized Losses Available-for-sale Securities, Gross Unrealized Losses Total, Amortized cost basis Available-for-sale Securities, Debt Maturities, Amortized Cost Basis Net unrealized gains - net of tax Available-for-sale Securities, Change in Net Unrealized Holding Gain (Loss), Net of Tax Excess of ten years, Fair Value Available-for-sale Securities, Debt Maturities, after Ten Years, Fair Value Available-for-sale securities continuous unrealized loss position [Abstract] Excess of one year to five years, Amortized Cost Basis Available-for-sale Securities, Debt Maturities, Year Two Through Five, Amortized Cost Basis Net realized gains Available-for-sale Securities, Gross Realized Gain (Loss) Available-for-sale Securities, Gross Realized Gain (Loss) [Abstract] Gross losses Available-for-sale Securities, Gross Realized Losses Number of Securities, total Applicable federal income taxes Available-for-sale Securities, Income Tax Expense on Change in Unrealized Holding Gain (Loss) Gross gains Available-for-sale Securities, Gross Realized Gains Basis of Presentation Basis of Accounting, Policy [Policy Text Block] Expenses Total expenses Benefits, Losses and Expenses Net realized gains on investments, excluding impairment losses Cost-method Investments, Realized Gain (Loss), Excluding Other than Temporary Impairments Carrying Value [Member] Cash and cash equivalents Cash and cash equivalents at beginning of period Cash and cash equivalents at end of period Cash and Cash Equivalents, at Carrying Value Increase in cash and cash equivalents Cash and Cash Equivalents, Period Increase (Decrease) Premiums ceded to reinsurers Losses and loss expenses ceded to reinsurers Ceded Credit Risk, Claims, Loss Adjustment Expense Incurred Class of Stock [Domain] Commercial mortgage-backed securities [Member] Commercial Mortgage Backed Securities [Member] Litigation, Commitments and Contingencies Litigation, Commitments and Contingencies [Abstract] Class A voting [Member] Class A voting [Member] Class A (voting) [Member] Common stock, par value (in dollars per share) Common stock, shares outstanding (in shares) Common stock Class B non-voting [Member] Class B [Member] Class B (non-voting) [Member] Common stock, shares authorized (in shares) Dividends paid to shareholders (in dollars per share) Common Stock, Dividends, Per Share, Cash Paid Accumulated Other Comprehensive Income Comprehensive Income (Loss) Note [Text Block] Comprehensive income Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest Corporate securities [Member] Corporate Debt Securities [Member] Debt Debt Disclosure [Text Block] Debt [Abstract] Title of Individual [Axis] Total value of shares issued Deferred federal income taxes Outside Director [Member] Director [Member] Restricted Stock Disclosure of Compensation Related Costs, Share-based Payments [Text Block] Restricted Stock [Abstract] Reconciliation of shares outstanding: Basic and diluted earnings (in dollars per share) Per share data: Earnings Per Share [Abstract] Effect of foreign exchange rates on cash and cash equivalents Net unrealized gains in limited partnership Equity Component [Domain] Total equity securities [Member] Equity Securities [Member] Fair Value [Member] Estimate of Fair Value, Fair Value Disclosure [Member] Executives [Member] Executive Officer [Member] Fair Value by Measurement Frequency [Axis] Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, by Asset Class [Domain] Fair Value, Hierarchy [Axis] Transfers out of Level 3 Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers out of Level 3 Recurring [Member] Fair Value, Measurements, Recurring [Member] Settlements Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Settlements Fair Value, Measurement Frequency [Domain] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Table] Fair Value by Asset Class [Axis] Total gains or losses (realized or unrealized) included in income Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Earnings Fair Value, Measurements, Fair Value Hierarchy [Domain] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Purchases Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Purchases Fair Value [Abstract] Fair Value Fair Value Disclosures [Text Block] Fair value assets measured on recurring basis unobservable input reconciliation calculation [Roll Forward] Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table] Summary of the carrying value and fair value by level of financial instruments Fair Value, Disclosure Item Amounts [Domain] Fair Value, by Balance Sheet Grouping [Table] Fair Value, by Balance Sheet Grouping, Disclosure Item Amounts [Axis] Level 3 [Member] Fair Value, Inputs, Level 3 [Member] Level 1 [Member] Fair Value, Inputs, Level 1 [Member] Level 2 [Member] Fair Value, Inputs, Level 2 [Member] Reconciliation of beginning and ending balances of assets measured at fair value on a recurring basis using level 3 inputs End of period balance Beginning of period balance Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value Commissions and other income Liabilities [Abstract] Financial Instruments, Financial Liabilities, Balance Sheet Groupings [Abstract] Assets [Abstract] Financial Instruments, Financial Assets, Balance Sheet Groupings [Abstract] Total fixed maturities [Member] Fixed Maturities [Member] Foreign government obligations [Member] Foreign Government Debt Securities [Member] Net gains on investments Gain (Loss) on Investments Realized net gains on the disposal of securities Total other-than-temporary impairment losses on investments Other than Temporary Impairment Losses, Investments Segment profit Segment Profit Income (Loss) from Continuing Operations before Income Taxes, Extraordinary Items, Noncontrolling Interest Unaudited Consolidated Statements of Operations [Abstract] Taxes Income Tax Disclosure [Text Block] Taxes [Abstract] Income before federal income taxes Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Extraordinary Items, Noncontrolling Interest Limited partnerships - net gain Equity in gains of limited partnership investments - realized and unrealized Federal income taxes Income Tax Expense (Benefit) Current federal income taxes Commissions from reinsurers Insurance Commissions and Fees Net investment income Investment Income, Net Investments Investment, Policy [Policy Text Block] Total Investments Investments Fair value and cost or amortized cost of fixed maturity investments by contractual maturity Investments Investments in Debt and Marketable Equity Securities (and Certain Trading Assets) Disclosure [Text Block] Investments: Investments [Abstract] Total Liabilities Liabilities Liabilities and shareholders' equity Total liabilities and shareholders' equity Liabilities and Equity Revolving line of credit limit Line of Credit Facility, Maximum Borrowing Capacity Effective interest rate (in hundredths) Line of Credit Facility, Interest Rate at Period End Line of credit maturity date Remaining unused amount under line of credit Line of Credit Facility, Remaining Borrowing Capacity Outstanding drawings on line of credit Line of Credit Facility, Amount Outstanding Major Types of Debt and Equity Securities [Axis] Major Types of Debt and Equity Securities [Domain] Fixed maturities Equity securities Maximum [Member] Minimum [Member] Financing activities: Net Cash Provided by (Used in) Financing Activities [Abstract] Net cash provided by investing activities Net Cash Provided by (Used in) Investing Activities Net cash used in financing activities Net Cash Provided by (Used in) Financing Activities Investing activities: Net Cash Provided by (Used in) Investing Activities [Abstract] Net income Net income Net investment income Net cash provided by operating activities Number of reportable segments Number of Reportable Segments Other comprehensive income Other Comprehensive Income (Loss), Net of Tax Other assets Change in unrealized gains (losses) on investments Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, Net of Tax Write-downs based upon objective criteria Other than Temporary Impairment Losses, Investments, Available-for-sale Securities Less: reclassification adjustment for net gains included in net income Other Comprehensive Income (Loss), Reclassification Adjustment for Sale of Securities Included in Net Income, Net of Tax Unrealized net gains on securities: Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, before Tax, [Abstract] Other comprehensive income, net of tax: Other operating expenses Corporate expenses Other General Expense Unrealized net gains arising during the period Other Comprehensive Income (Loss), Unrealized Holding Gain (Loss) on Securities Arising During Period, Net of Tax Limited partnerships Short-term Foreign currency translation adjustments Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Tax, Portion Attributable to Parent Net sales (purchases) of short-term investments Payments for (Proceeds from) Short-term Investments Other investing activities Payments for (Proceeds from) Other Investing Activities Purchases of available-for-sale investments Payments to Acquire Marketable Securities Dividends paid to shareholders Payments of Ordinary Dividends, Common Stock Losses and loss expenses incurred Net premiums earned Net Premiums Earned Accounts receivable Proceeds from sales or maturities of available-for-sale investments Range [Axis] Range [Domain] Realized gains (losses) on investments Totals Realized Investment Gains (Losses) Reconciliation of Operating Profit (Loss) from Segments to Consolidated Reconciliation from segment totals to consolidated [Abstract] Reinsurance Reinsurance [Text Block] Reinsurance [Abstract] Reinsurance recoverable Reserves for losses and loss expenses Reserve for Losses and Loss Adjustment Expenses Residential mortgage-backed securities [Member] Residential Mortgage Backed Securities [Member] Restricted Stock Units (RSUs) [Member] Retained earnings Retained Earnings (Accumulated Deficit) Undistributed earnings of limited partnership, net of taxes Retained Earnings, Undistributed Earnings from Equity Method Investees Total revenue Revenues Revenues Revenues [Abstract] Short-term borrowings Short-term Debt, Fair Value Fair value measurements by level for assets measured at fair value on a recurring basis Schedule of realized gains Schedule of Available-for-Sale Securities [Table] Reinsurance Schedule of Ceded Credit Risk by Reinsurer [Table Text Block] Fixed maturity and equity security investments in unrealized loss position Schedule of Available-For-Sale Securities [Line Items] Changes in Accumulated Other Comprehensive Income by Component Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] Schedule of Segment Reporting Information, by Segment [Table] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule of Segment Reporting Information, by Segment Total available-for-sale securities [Member] Securities (Assets) [Member] Segment Reporting Information [Line Items] Reportable Segments [Abstract] Reportable Segments Segment Reporting Disclosure [Text Block] Segment [Domain] Value of each share issued (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value Period restricted stocks will vest ratably from date of grant Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Shares granted (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period Shares issued (in shares) Award Type [Domain] Short-term borrowings Summary of Significant Accounting Policies Significant Accounting Policies [Text Block] Statement [Table] Statement [Line Items] Unaudited Consolidated Statements of Cash Flows [Abstract] Statement, Business Segments [Axis] Equity Components [Axis] Unaudited Consolidated Balance Sheets [Abstract] Unaudited Consolidated Statements of Comprehensive Income [Abstract] Class of Stock [Axis] Shareholders' equity: Shareholders' equity Stockholders' Equity Attributable to Parent Subsequent Events Subsequent Events [Text Block] Subsequent Events [Abstract] Title of Individual with Relationship to Entity [Domain] Mark-to-market adjustment Reserves for unearned premiums Net unrealized gain (loss) on investments Unrealized Gain (Loss) on Investments States and municipal obligations [Member] U.S. government obligations [Member] US Treasury and Government [Member] Average shares outstanding - basic (in shares) Weighted Average Number of Shares Outstanding, Basic Average shares outstanding - diluted (in shares) Weighted Average Number of Shares Outstanding, Diluted Dilutive effect of share equivalents (in shares) Weighted Average Number Diluted Shares Outstanding Adjustment The net change in the difference between the fair value and the carrying value, or in the comparative fair values on investments included in stockholders' equity as of the balance sheet date. Unrealized net gains on investments Disclosure of information about components of accumulated other comprehensive income (loss). Accumulated Other Comprehensive Income Loss [Table] 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. Accumulated Other Comprehensive Income Loss [Line Items] A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period Changes in Accumulated Other Comprehensive Income by Component [Roll Forward] Amount after tax of reclassification adjustments of other comprehensive income (loss). Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax Amounts reclassified from accumulated other comprehensive income Amount after tax, before reclassification adjustments of other comprehensive income (loss). Other Comprehensive Income Loss Before Reclassifications Net Of Tax Other comprehensive income before reclassifications Represents investments in equity securities of companies categorized as financial institutions. Financial Institution [Member] Financial institutions [Member] Represents investments in equity securities of companies categorized as industrial and miscellaneous. Industrial & Miscellaneous [Member] Industrial & Miscellaneous [Member] This item represents the amortized cost of debt securities, categorized neither as held-to-maturity nor trading securities, which do have a single maturity date. Available For Sale Securities Debt Maturities With Single Maturity Date Amortized Cost Contractual maturities, Amortized Cost Basis This item contains disclosure of the number of investment positions in the available-for-sale investments in an unrealized loss positions for less than 12 months. Available For Sale Securities In Unrealized Loss Positions Qualitative Disclosure Number Of Positions Less Than 12 Months Number of Securities Less than 12 months This item contains disclosure of the number of investment positions in the available-for-sale investments in an unrealized loss positions for more than 12 months. Available For Sale Securities In Unrealized Loss Positions Qualitative Disclosure Number Of Positions More Than 12 Months Number of Securities More than 12 months Refers to number of bridge loan agreements for committed funds. Number of bridge loan agreements This item represents the fair value of debt securities, categorized neither as held-to-maturity nor trading securities, which do have a single maturity date. Available For Sale Securities Debt Maturities With Single Maturity Date Fair Value Contractual maturities, Fair Value Available For Sale Securities Gain Loss Activity [Abstract] Available for sale securities gain loss activity [Abstract] The amount of recovery of other than temporary impairment charges previously written-off. Other Than Temporary Impairment Losses Recovery Investments Available for Sale Securities Recovery of prior write-downs upon sale or disposal Refers to total committed funds for bridge loans. Committed funds for bridge loans Committed funds for bridge loans This element represents the period of decline in the value of equity securities. Period of decline in market value of equity security Period of decline on the cost of equity securities that will be considered other-than-temporary impairment This line item represents percentage of original or adjusted cost exceeding unrealized loss for any equity security during the reporting period. Percentage of Adjusted Cost Exceeding Unrealized Loss Percentage of decline on cost of securities treated as other-than-temporary impairment (in hundredths) This element represents the period of fixed interest on line of credit referenced to LIBOR. Period of fixed interest on line of credit at the company's options Period of fixed interest on line of credit at company's options Insurance-linked securities held for their financial return, rather than for the entity's operations. Insurance Linked Securities [Member] Fixed Maturities [Abstract] Fixed maturities: [Abstract] Equity Securities [Abstract] Equity Securities [Abstract] This element represents the portion of the balance sheet assertion valued at fair value by the entity whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. This item represents foreign government obligations. Foreign Government Obligations Fair Value Disclosure Foreign government obligations This element represents the portion of the balance sheet assertion valued at fair value by the entity whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. This item represents residential mortgage backed securities. Residential Mortgage Backed Securities Fair Value Disclosure Residential mortgage-backed securities This element represents the portion of the balance sheet assertion valued at fair value by the entity whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. This item represents commercial mortgage backed securities. Commercial Mortgage Backed Securities Fair Value Disclosure Commercial mortgage-backed securities This element represents the portion of the balance sheet assertion valued at fair value by the entity whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. This item represents cash equivalents. Cash Equivalents Fair Value Disclosure Cash equivalents This element represents the portion of the balance sheet assertion valued at fair value by the entity whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. This item represents short term securities. Short Term Investments Fair Value Disclosure Short term This element represents the portion of the balance sheet assertion valued at fair value by the entity whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. This item represents equity securities. Equity Securities Fair Value Disclosure Total equity securities This element represents the portion of the balance sheet assertion valued at fair value by the entity whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. This item represents total fixed maturities. Total Fixed Maturities Fair Value Disclosure Total fixed maturities This element represents the portion of the balance sheet assertion valued at fair value by the entity whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. This item represents corporate securities. Corporate Securities Fair Value Disclosure Corporate securities This element represents the portion of the balance sheet assertion valued at fair value by the entity whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. This item represents options embedded in convertible securities. Options Embedded In Convertible Securities Fair Value Disclosure Options embedded in convertible securities This element represents the portion of the balance sheet assertion valued at fair value by the entity whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. This item represents states and political subdivision obligations. States And Municipal Obligations Fair Value Disclosure State and municipal obligations This element represents the portion of the balance sheet assertion valued at fair value by the entity whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. This item represents US government obligations. US Government Obligations Fair Value Disclosure U.S. government obligations This element represents the portion of the balance sheet assertion valued at fair value by the entity whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. This item represents financial institutions. Financial Institutions Fair Value Disclosure Financial institutions This element represents the portion of the balance sheet assertion valued at fair value by the entity whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. This item represents industrial & miscellaneous. Industrial and Miscellaneous Fair Value Disclosure Industrial & miscellaneous Summary of stock Issuances [Abstract] Date the equity-based award vests, in CCYY-MM-DD format. Share Based Compensation Arrangement By Share Based Payment Award Vesting Date Vesting Date Period which an executive's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition. Share vesting period Service Period Shares distribution period from grant date. Shares distribution period from grant date Shares distribution period from grant date Tabular disclosure of the summary of stock issuances during the period. Summary of Stock Issuances [Table Text Block] Summary of stock issuances Other long-term investments at fair value not otherwise specified in the taxonomy, not including investments in marketable securities. Other Long Term Investments Fair Value Limited partnerships Direct and assumed premiums written before adding contracts assumed from other insurers or subtracting any amounts assumed by other insurers. Direct And Assumed Premiums Written Direct and Assumed Premium Written Segment in which the financial information pertaining to insurance coverage's for replacement or repair of reinsurance is reflected. Reinsurance [Member] Member of Insurance (Property and Casualty) Property and Casualty Insurance [Member] Document and Entity Information [Abstract]