Regulatory Capital Restrictions (Narrative) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Regulatory Capital Restrictions [Line Items]
Retained earnings, unappropriated	$ 29.8
Aggregate amount of shareholder dividends, maximum available next current fiscal year	15.6
Hallmark Insurance Company (Payer) [Member] | Hallmark (Payee) [Member]
Regulatory Capital Restrictions [Line Items]
Insurance agency management fee	8.2	9.0	6.0
Subsidiaries [Member]
Regulatory Capital Restrictions [Line Items]
Statutory Accounting Practices, Future Dividend Payments Restrictions	lesser of 10% of prior year policyholders' surplus or prior year's net investment income
Aggregate amount of shareholder dividends, maximum available next current fiscal year	22.5
American Hallmark Insurance Company and Texas Builders Insurance Company [Member]
Regulatory Capital Restrictions [Line Items]
Statutory Accounting Practices, Future Dividend Payments Restrictions	greater of statutory net income for the prior calendar year or 10% of statutory policyholders' surplus as of the prior year end
Hallmark National Insurance Company [Member]
Regulatory Capital Restrictions [Line Items]
Statutory Accounting Practices, Future Dividend Payments Restrictions	greater of 10% of statutory policyholders' surplus as of the prior December 31 or statutory net income as of the prior December 31
Hallmark Specialty Insurance Com [Member]
Regulatory Capital Restrictions [Line Items]
Statutory Accounting Practices, Future Dividend Payments Restrictions	greater of 10% of prior year policyholders' surplus or prior year's statutory net income, not including realized capital gains
Hallmark Insurance Company Subsidiaries [Member]
Regulatory Capital Restrictions [Line Items]
Amount of restricted net assets for consolidated and unconsolidated subsidiaries	208.3
Statutory accounting practices, statutory capital and surplus, balance	196.3	176.5
Statutory accounting practices, statutory net income amount	6.1	3.1
Statutory accounting practices statutory net loss amount			$ 17.2