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[Member] Beecher [Member] Beecher [Member] Beecher Acquisition [Member] Business Acquisition, Acquiree [Domain] Business Acquisition, Acquiree [Domain] Business Acquisition [Axis] Business Acquisition [Axis] Business Acquisition Cost Of Acquired Entity Other Payable Business Acquisition Cost Of Acquired Entity Other Payable Other Payable Business Acquisition Earn Out Payable After Change In Additions And Payments Business Acquisition Earn Out Payable After Change In Additions And Payments Subtotal Business acquisition earn out payables. 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Dividend Restrictions [Text Block] Subsidiary Dividend Restrictions Document and Entity Information [Abstract] Document And Entity Information [Abstract] Document And Entity Information [Abstract] Document Fiscal Period Focus Document Fiscal Period Focus Document Fiscal Year Focus Document Fiscal Year Focus Document Period End Date Document Period End Date Document Type Document Type Earnings Per Share [Abstract] Net income per share: Earnings Per Share, Basic Basic Earnings Per Share, Diluted Diluted Earnings Per Share [Text Block] Net Income Per Share Earn out payable not deductible until earned paid Earn Out Payable Not Deductible Until Earned Paid Goodwill related to the recorded earn-out payables Effects of Reinsurance [Table Text Block] Effects of Reinsurance on Premiums Written and Earned The aggregate amount of expenditures for salaries, wages, profit sharing and incentive compensation, and other employee benefits, including pension and other postretirement benefit expense, but excluding share-based compensation.) 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[Member] Homeowners [Member] Homeowners [Member] Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Extraordinary Items, Noncontrolling Interest Income before income taxes Income before income taxes Income Statement [Abstract] Income Statement [Abstract] Income Taxes Paid Income taxes Income Tax Expense (Benefit) Income taxes Increase decrease for loss and loss adjustment expense. Increase Decrease For Loss And Loss Adjustment Expense Losses and loss adjustment expense (decrease) Increase (Decrease) in Accounts Payable Accounts payable increase Increase (Decrease) in Accrued Liabilities and Other Operating Liabilities Accrued expenses and other liabilities increase Increase (Decrease) in Operating Capital [Abstract] Changes in operating assets and liabilities, net of effect from acquisitions and divestitures: Increase (Decrease) in Other Operating Assets Other assets (increase) decrease Increase (Decrease) in Other Operating Liabilities Other liabilities (decrease) The net change during the reporting period in the premiums deposits and credits due customers. Increase Decrease In Premium Deposits And Credits Due Customers Decrease Increase Premium deposits and credits due customers increase The net change during the reporting period in other amounts due to the reporting entity, which are not otherwise defined in the taxonomy. Increase Decrease In Premiums Commission And Fees Receivable Premiums, commissions and fees receivable decrease (increase) The net change during the reporting period in the premiums payable to insurance companies. Increase Decrease In Premiums Payable To Insurance Companies Premiums payable to insurance companies (decrease) increase Increase (Decrease) in Prepaid Reinsurance Premiums Prepaid reinsurance premiums (increase) Increase (Decrease) in Reinsurance Recoverable Reinsurance recoverables decrease Increase (Decrease) in Restricted Cash Restricted cash and investments (increase) Increase (Decrease) in Unearned Premiums Unearned premiums increase Incremental Common Shares Attributable to Participating Nonvested Shares with Non-forfeitable Dividend Rights Less unvested awarded performance stock included in weighted average number of common shares outstanding - basic Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements Dilutive effect of stock options Insurance Commissions and Fees Commissions and fees Insurance Premiums Revenue Recognition, Policy [Policy Text Block] Premiums Intangible Assets Disclosure [Text Block] Amortizable Intangible Assets Intangible Assets, Net (Excluding Goodwill) Amortizable intangible assets, net Net Carrying Value Interest Expense Interest Interest expense Interest Paid Interest Investment Income, Nonoperating Investment income Investment Maturity Date Range End Investment security maturity date, End Investment Maturity Date Range Start Investment security maturity date, start Investments Investments Investments Classified by Contractual Maturity Date [Table Text Block] Amortized Cost and Fair Value of Fixed Maturity Securities by Contractual Maturity Investments, Debt and Equity Securities [Abstract] Investments, Debt and Equity Securities [Abstract] Investments in Debt and Marketable Equity Securities (and Certain Trading Assets) Disclosure [Text Block] Investments JPM Term Loan [Member] Jpm Term Loan [Member] JPM Term Loan [Member] Legal Entity [Axis] Legal Entity [Axis] Letter Of Credit Usage Fee Maximum Letter Of Credit Usage Fee Maximum Letter of credit usage fee, maximum Letter Of Credit Usage Fee Minimum Letter Of Credit Usage Fee Minimum Letter of credit usage fee, minimum Liabilities and Equity Total liabilities and shareholders' equity Liabilities and Equity [Abstract] LIABILITIES AND SHAREHOLDERS' EQUITY Liabilities, Current Total current liabilities Liabilities, Current [Abstract] Current Liabilities: Liability for Claims and Claims Adjustment Expense Losses and loss adjustment expense LIBOR Rate Below Base Rate Libor Rate Below Base Rate LIBOR below base rate Long-term Line of Credit Credit facility, outstanding amount Total credit agreements Lender Name [Axis] Lender Name [Axis] Line of Credit Facility, Expiration Date Line of credit facility, expiration date Line of Credit Facility, Expiration Period Line of credit facility, expiration period Line Of Credit Facility Interest Rate Above LIBOR Line Of Credit Facility Interest Rate Above Libor Line of credit facility interest rate above adjusted LIBOR rate Line of Credit Facility, Lender [Domain] Line of Credit Facility, Lender [Domain] Line of Credit Facility, Maximum Borrowing Capacity Potential increased in line of credit facility Line of Credit Facility, Remaining Borrowing Capacity Borrowings outstanding Line of Credit Facility, Unused Capacity, Commitment Fee Percentage Letter of credit fees Line of credit facility, commitment fee percentage Line of Credit [Member] Line of Credit [Member] Line of Credit, Current Current portion of 5-year term loan facility expires 2019 Location [Domain] Location [Domain] London Bermuda and Cayman Islands operations. 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Nature Of Operation Policy [Text Block] Nature of Operations Nature of Operations [Text Block] Nature of Operations Net Cash Provided by (Used in) Financing Activities [Abstract] Cash flows from financing activities: Net Cash Provided by (Used in) Financing Activities, Continuing Operations Net cash provided by (used in) financing activities Net Cash Provided by (Used in) Investing Activities [Abstract] Cash flows from investing activities: Net Cash Provided by (Used in) Investing Activities, Continuing Operations Net cash used in investing activities Net Cash Provided by (Used in) Operating Activities [Abstract] Cash flows from operating activities: Net Cash Provided by (Used in) Operating Activities, Continuing Operations Net cash provided by operating activities Net income attributable to unvested awarded performance stock Net Income Attributable To Unvested Awarded Performance Stock Net income attributable to unvested awarded performance stock Net Income (Loss) Attributable to Parent Net income Net income Net Income (Loss) Available to Common Stockholders, Basic Net income attributable to common shares Net loss (gain) on sales of investments, fixed assets and customer accounts Net Loss Gain On Sales Of Investments Fixed Assets And Customer Accounts Net gain on sales of investments, fixed assets and customer accounts New Accounting Pronouncements, Policy [Policy Text Block] Recently Issued Accounting Pronouncements New Master Agreement [Member] New Master Agreement [Member] New Master Agreement [Member] Noncompete Agreements [Member] Non-compete agreements [Member] Notes Receivable on the Sale of Fixed Assets and Customer Accounts Notes Receivable On Sale Of Fixed Assets And Customer Accounts Notes received on the sale of fixed assets and customer accounts Number of Businesses Acquired Number of acquisitions Number of reinsurers. Number of reinsurers Number of reinsurers Number of Reportable Segments Number of reportable segments Operating Expenses Total expenses Operating Segments [Member] Operating Segments [Member] Organization, Consolidation and Presentation of Financial Statements [Abstract] Organization, Consolidation and Presentation of Financial Statements [Abstract] Other Acquisitions [Member] Other Acquisitions [Member] Other Acquisitions [Member] Other Assets, Current Other current assets Other Assets, Noncurrent Other assets Other Comprehensive Income (Loss), Tax Tax effect of accumulated other comprehensive income Other Cost and Expense, Operating Other operating expenses Other Income Other income, net Other Liabilities, Noncurrent Other liabilities Other Noncurrent Liabilities [Member] Other Non-Current Liability [Member] Obligations of a business that arise from the acquisition of merchandise, materials, supplies and services used in the production and/or sale of goods and services not classified as Trade Payables. Other Payables Other payable issued for purchased customer accounts Pacific Resources Benefits Advisors [Member] Pacific Resources Benefits Advisors [Member] Pacific Resources Benefits Advisors, LLC (PacRes) [Member] Payments for estimated acquisition earn out payables. Payments For Estimated Acquisition Earn Out Payables Payments for estimated acquisition earn-out payables Payments for Repurchase of Common Stock Purchase of treasury stock Payments for Repurchase of Other Equity Prepayment of accelerated share repurchase program Payments of Dividends Cash dividends paid Payments of extraordinary dividends. Payments Of Extraordinary Dividends Issuance and payment of extraordinary dividend Payment of extraordinary dividends Payments of Ordinary Dividends Payment of ordinary dividends Payments on acquisition earn-outs Payments On Acquisition Earn Outs Payments on acquisition earn-outs Payments on acquisition earn-outs in excess of original estimated payables. Payments On Acquisition Earn Outs In Excess Of Original Estimated Payables Payments on acquisition earn-outs in excess of original estimated payables Payments to Acquire Businesses, Gross Cash Paid Cash payment for acquisition Payments to Acquire Businesses, Net of Cash Acquired Payments for businesses acquired, net of cash acquired Payments to Acquire Investments Purchases of investments Payments to Acquire Property, Plant, and Equipment Capital expenditures Additions to fixed assets Percentage of ceded premiums. Percentage of Ceded Premiums Ceded rate of premiums under insurance program Percentage of flood premiums ceded. Percentage of flood premiums ceded Effective cedes rate under quota share agreement Percentage Of Reinsurance Percentage Of Reinsurance Percentage of reinsurance Percentage of reinsurance recoverables allowance. Percentage of reinsurance recoverables allowance Expenses and allowance rate received in premiums Plan Name [Axis] Plan Name [Axis] Plan Name [Domain] Plan Name [Domain] Policyholders Account In Life Insurance Business [Abstract] Policyholders Account In Life Insurance Business [Abstract] Policyholders Account In Life Insurance Business [Abstract] Liability for net credit balance due customers resulting from changes, cancellation of coverage or payments collected for premiums not yet effective. Premium Deposits And Credits Due Customers Premium deposits and credits due customers Insurance premiums, commissions and fees due from insured or insurance companies that are currently due, including notes receivables, accrued direct bill commissions due from carriers, guaranteed supplemental commissions and profit-sharing contingent commissions, and fees in lieu of commissions earned) Premiums Commissions And Fees Receivable Premiums, commissions and fees receivable Premiums Earned, Net Earned, Net premiums Insurance premiums payable (net of commissions) to insurance carriers, commissions payable to agents, brokers, third parties, etc that are currently due; also includes other insurance-related liabilities such as surplus lines and other premium related taxes and fees. Premiums Payable To Insurance Companies Premiums payable to insurance companies Premiums Written, Net Written, Net premiums Prepaid Reinsurance Premiums Prepaid reinsurance premiums Private Passenger Auto Liability [Member] Private Passenger Auto Liability [Member] Private Passenger Auto Liability [Member] Private Placement [Member] Private Placement [Member] Proceeds from Issuance of Long-term Debt Proceeds from long-term debt Proceeds from Lines of Credit Borrowings on revolving credit facilities Proceeds from lines of credit Proceeds from Sale and Maturity of Available-for-sale Securities Proceeds from sale of investment in fixed maturity securities Proceeds from Sale, Maturity and Collection of Investments Proceeds from sales of investments Proceeds from Sale of Productive Assets Proceeds from sales of fixed assets and customer accounts Proceeds from Stock Options Exercised Issuances of common stock for employee stock benefit plans Property, Plant and Equipment, Net Fixed assets, net Quota Share Agreement Member [Member] Quota Share Agreement Member [Member] Quota Share Agreement [Member] Range [Axis] Range [Axis] Range [Domain] Range [Domain] Recorded Earn-out Payable Recorded Earn Out Payable Estimated acquisition earn-out payables and related charges Reinsurance Accounting Policy [Policy Text Block] Reinsurance Reinsurance Loss, Loss Adjustment Expenses [Text Block] Reinsurance Loss, Loss Adjustment Expenses [Text Block] Reinsurance and Loss and Loss Adjustment Expenses Reinsurance percentage of ceding commission. Reinsurance percentage of ceding commission Commission rate, percent of ceded written premiums Reinsurance Premiums for Insurance Companies, by Product Segment [Line Items] Reinsurance Premiums for Insurance Companies, by Product Segment [Line Items] Reinsurance Premiums for Insurance Companies, by Product Segment [Table] Reinsurance Premiums for Insurance Companies, by Product Segment [Table] Reinsurance Recoverables, Incurred but Not Reported Claims Reinsurance recoverable, incurred but not reported claims Reinsurance Recoverables Ceded amount Reinsurance Recoverables, Gross Reinsurance recoverable Reinsurance Recoverables on Unpaid Losses Ceded unpaid loss Reinsurance Recoverables on Unpaid Losses, Gross The reinsurance recoverable Related Party [Domain] Related Party [Domain] Related Party [Axis] Related Party [Axis] Repayments of Lines of Credit Term Loan Agreement Payments on revolving credit facilities Repayments of Long-term Debt Payments on long-term debt Repayments of Unsecured Debt Notes redeemed on maturity date Repurchase of stock benefit plan shares for employees to fund tax withholdings Repurchase Of Stock Benefit Plan Shares For Employees To Fund Tax Withholdings Repurchase stock benefit plan shares for employees to fund tax withholdings Reserve For Losses And Loss Adjustment Expenses For Reinsurance Liability Reserve For Losses And Loss Adjustment Expenses For Reinsurance Liability Reserve for losses and loss adjustment expense Restricted Cash and Investments, Current Restricted cash and investments Retail [Member] Retail [Member] Retail [Member] Retained Earnings (Accumulated Deficit) Retained earnings Revenues Total revenues Total revenues Revenues [Abstract] REVENUES Revolving Credit Facility [Member] Revolving Credit Facility [Member] Revolving Credit Loan Expires In Two Thousand Sixteen [Member] Revolving Credit Loan Expires In Two Thousand Sixteen [Member] Revolving Credit Loan, Quarterly Interest Payments, LIBOR Plus up to 1.40% and Availability Fee up to 0.25%, Expires December 31, 2016 [Member] Revolving Loans [Member] Revolving Loans [Member] Revolving Loans [Member] Sale of Stock [Domain] Sale of Stock [Domain] Scenario, Forecast [Member] Scenario, Forecast [Member] Scenario, Unspecified [Domain] Scenario, Unspecified [Domain] Schedule of Available-for-sale Securities [Line Items] Schedule of Available-for-sale Securities [Line Items] Schedule of Available-for-sale Securities [Table] Schedule of Available-for-sale Securities [Table] Schedule Of Business Acquisition Estimated Earn-Out Payables. Schedule Of Business Acquisition Estimated Earn Out Payables Table [Text Block] Additions, Payments, and Net Changes, as well as Interest Expense Accretion on Estimated Acquisition Earn-Out Payables Schedule of Business Acquisitions, by Acquisition [Table] Schedule of Business Acquisitions, by Acquisition [Table] Schedule of Business Acquisitions, by Acquisition [Table Text Block] Acquisitions Accounted for Business Combinations Schedule of Cash Flow, Supplemental Disclosures [Table Text Block] Summary of Supplemental Disclosures of Cash Flow Information and Non-Cash Financing and Investing Activities Ceded Credit Risk [Table Text Block] Summary of Reinsurance Recoverable Schedule of Long-term Debt Instruments [Table Text Block] Long-Term Debt Instrument Schedule of Finite-Lived Intangible Assets [Table] Schedule of Finite-Lived Intangible Assets [Table] Schedule of Finite-Lived Intangible Assets [Table Text Block] Amortizable Intangible Assets Schedule of Goodwill [Table] Schedule of Goodwill [Table] Schedule of Goodwill [Table Text Block] Changes in Carrying Value of Goodwill by Operating Segment Tabular disclosure of all of the fair values of the purchase price and assets and liabilities acquired in a business combination. Schedule Of Purchase Price Allocation One Table [Text Block] Estimated Fair Values of Aggregate Assets and Liabilities Acquired Schedule of Segment Reporting Information, by Segment [Table] Schedule of Segment Reporting Information, by Segment [Table] Schedule of Segment Reporting Information, by Segment [Table Text Block] Summarized Financial Information Reportable Segments Schedule of Weighted Average Number of Shares [Table Text Block] Reconciliation between Basic and Diluted Weighted Average Shares Outstanding Segments [Domain] Segments [Domain] Segment Reporting [Abstract] Segment Reporting [Abstract] Segment Reporting Disclosure [Text Block] Segment Information Segment Reporting Information [Line Items] Segment Reporting Information [Line Items] Senior Notes Total notes Senior Notes, Current Current portion of senior notes Senior Notes [Member] Senior Notes[Member] Series A [Member] Series A [Member] Series B [Member] Series B [Member] Services [Member] Services [Member] Services [Member] Share-based Compensation Non-cash stock-based compensation Share Repurchase Program [Axis] Share Repurchase Program [Axis] Share Repurchase Program [Domain] Share Repurchase Program [Domain] Short Duration Fixed Income Fund [Member] Short Duration Fixed Income Fund [Member] Short Duration Fixed Income Fund [Member] Short-term Investments Short-term investments Six Point Zero Eight Zero Percent Senior Notes Due Two Thousand Fourteen [Member] Six Point Zero Eight Zero Percent Senior Notes Due Two Thousand Fourteen [Member] 6.080% Senior Notes, Semi-Annual Interest Payments, Balloon Due 2014 [Member] Segments [Axis] Segments [Axis] Statement [Line Items] Statement [Line Items] Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Statement of Financial Position [Abstract] Statement of Financial Position [Abstract] Scenario [Axis] Scenario [Axis] Statement [Table] Statement [Table] Statutory Accounting Practices [Line Items] Statutory Accounting Practices [Line Items] Statutory Accounting Practices, Statutory Capital and Surplus, Balance Statutory capital and surplus Statutory Accounting Practices, Statutory Net Income Amount Statutory net Income Statutory Accounting Practices [Table] Statutory Accounting Practices [Table] Statutory Dividend Payment Restrictions Disclosure Ordinary dividends payment description The entire disclosure for statutory financial information. Statutory Financial Information [Text Block] Statutory Financial Information Stock Acquisitions [Member] Stock Acquisitions [Member] Stock Acquisitions [Member] Stockholders' Equity Attributable to Parent Total shareholders' equity Stockholders' Equity Attributable to Parent [Abstract] Shareholders' Equity: Stockholders' Equity Note Disclosure [Text Block] Shareholders' Equity Stock Repurchase Program, Authorized Amount Shares repurchased, authorized amount Stock Repurchase Program, Remaining Authorized Repurchase Amount Shares repurchased, remaining amount Subsegments [Axis] Subsegments [Axis] Subsegments [Domain] Subsegments [Domain] Subsequent Event [Member] Subsequent Event [Member] Subsequent Event Type [Axis] Subsequent Event Type [Axis] Subsequent Event Type [Domain] Subsequent Event Type [Domain] Sale of Stock [Axis] Sale of Stock [Axis] Sun Trust Revolver [Member] Sun Trust Revolver [Member] Sun Trust Revolver [Member] Sun Trust Term Loan [Member] Sun Trust Term Loan [Member] Sun Trust Term Loan [Member] Supplemental Cash Flow Elements [Abstract] Supplemental Cash Flow Elements [Abstract] Term Loan [Member] Term Loan [Member] Term Loan [Member] Text Block [Abstract] Text Block [Abstract] Trading Activity [Axis] Trading Activity [Axis] Trading Activity, by Type [Domain] Trading Activity, by Type [Domain] Trading Symbol Trading Symbol Financial Instruments [Domain] Financial Instruments [Domain] Treasury Stock, Shares Shares repurchased, number of shares received initially Treasury stock shares Treasury Stock, Shares, Acquired Total number of shares repurchased Treasury Stock, Value Fair value of common stock repurchased Treasury stock, at cost 2,139 and 0 shares at 2014 and 2013, respectively Two Thousand Fourteen Acquisitions [Member] Two Thousand Fourteen Acquisitions [Member] 2014 Acquisitions [Member] Two Thousand Thirteen Acquisitions [Member]. Two Thousand Thirteen Acquisitions [Member] 2013 Acquisitions [Member] Uncategorized [Abstract] Uncategorized [Abstract] Uncategorized [Abstract] Unearned Premiums Unearned premiums Unpaid Losses Loss Adjustment Expense Policy [Policy Text Block] Unpaid Losses Loss Adjustment Expense Policy [Policy Text Block] Unpaid Losses and Loss Adjustment Expense Unrealized Loss Position Investments Table [Text Block] Unrealized Loss Position Investments Table [Text Block] Summary of Unrealized Loss Position Unsecured Debt Unsecured senior notes outstanding Unsecured Long-term Debt, Noncurrent Unsecured term loans Unsecured Revolving Credit Facility Unsecured Revolving Credit Facility Unsecured revolving credit facility Unsecured Senior Notes [Member] Unsecured Senior Notes [Member] Unsecured Senior Notes [Member] US Treasury Securities [Member] U.S. Treasury Securities, Obligations of U.S. Government Agencies and Municipals [Member] Variable Rate [Axis] Variable Rate [Axis] Variable Rate [Domain] Variable Rate [Domain] Various [member] Various [Member] Various [Member] Weighted Average Number of Shares Outstanding, Diluted Diluted Weighted average number of shares outstanding - diluted Weighted Average Number of Shares Issued, Basic Weighted average number of common shares outstanding - basic Weighted Average Number of Shares Outstanding, Diluted [Abstract] Weighted average number of shares outstanding: Weighted Average Number of Shares Outstanding, Basic Weighted average number of common shares outstanding for basic earnings per common share Basic Weighted average number of common shares outstanding for basic earnings per common share Wells Fargo [Member] Wells Fargo [Member] Wells Fargo Revolver [Member] Wholesale Brokerage [Member] Wholesale Brokerage [Member] Wholesale Brokerage [Member] Wright Insurance Group Llc [Member] Wright Insurance Group Llc [Member] The Wright Insurance Group, LLC. [Member] Wright National Flood Insurance Company [Member] Wright National Flood Insurance Company [Member] WNFIC [Member]