Business Combinations (Details Textual) (USD $)	6 Months Ended		12 Months Ended		12 Months Ended
	Jun. 30, 2012	Aug. 29, 2008 Excess and Umbrella Business Unit [Member]	Dec. 31, 2010 Hallmark National Insurance Company [Member]	Jan. 03, 2011 Hallmark National Insurance Company [Member]	Dec. 31, 2011 TBIC Holding Corporation [Member]	Jul. 01, 2011 TBIC Holding Corporation [Member]
Noncontrolling Interest, Ownership Percentage by Parent		80.00%
Percentage Of Ownership Interests Authorized For Purchase		20.00%
Redemption Value Of Call and Put Option	$ 1,600,000
Business Acquisition, Cost of Acquired Entity, Cash Paid				14,000,000		1,600,000
Business Acquisition Cost Of Acquired Entity Purchase Price Additional Amout			2,000,000		350,000
Gross Collected Premium Percentage			2.00%
Business Acquisition, Contingent Consideration, at Fair Value						3,000,000
Business Acquisition, Cost of Acquired Entity, Purchase Price		15,000,000
Business Combination, Bargain Purchase, Gain Recognized, Amount					165,000
Holdback Purchase Price Estimated To Pay	$ 350,000