Business Combinations (Details Textual) (USD $)	3 Months Ended		1 Months Ended		1 Months Ended		1 Months Ended
	Sep. 30, 2012	Jul. 01, 2011 TBIC Holding Corporation [Member]	Aug. 28, 2008 Heath XS, LLC and Hardscrabble Data Solutions, LLC [Member]	Aug. 29, 2008 Heath XS, LLC and Hardscrabble Data Solutions, LLC [Member]	Dec. 31, 2010 State Auto Financial Corporation [Member]	Jan. 03, 2011 State Auto Financial Corporation [Member]	Dec. 31, 2010 Hallmark National Insurance Company [Member]
Noncontrolling Interest, Ownership Percentage by Parent				80.00%
Percentage of Ownership Interests Authorized for Purchase	20.00%			20.00%
Redemption Value of Call and Put Option	$ 1,700,000
Business Acquisition, Cost of Acquired Entity, Cash Paid		1,600,000
Holdback Purchase Price Estimated to Pay	350,000
Gross Collected Premium, Percentage							2.00%
Business Acquisition, Cost of Acquired Entity, Purchase Price, Additional Amount					2,000,000
Business Acquisition, Cost of Acquired Entity, Cash Paid						14,000,000
Business Acquisition, Contingent Consideration, at Fair Value		3,000,000
Business Combination, Bargain Purchase, Gain Recognized, Amount			$ 15,000,000