Business Acquisitions and Dispositions (Details) (USD $)	3 Months Ended		9 Months Ended				9 Months Ended		12 Months Ended			12 Months Ended				3 Months Ended	9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012	Dec. 31, 2012	Dec. 31, 2011	Sep. 30, 2013 Acquisition of Response Indemnity Company of California [Member]	Feb. 01, 2013 Acquisition of Response Indemnity Company of California [Member]	Dec. 31, 2012 Acquisition of ProtectCELL [Member]	Sep. 30, 2013 Acquisition of ProtectCELL [Member]		Dec. 31, 2012 Acquisition of MHA & Associates LLC [Member]	Dec. 31, 2012 Acquisition of 4Warranty [Member]	Sep. 30, 2013 Acquisition of 4Warranty [Member]		Sep. 30, 2013 Sale of Magna Insurance Company [Member]	Sep. 30, 2013 Sale of Magna Insurance Company [Member]
Business Acquisition [Line Items]
Business Acquisition, Effective Date of Acquisition							Feb. 01, 2013		Dec. 31, 2012			Apr. 24, 2012	Dec. 31, 2012
Business Acquisition, Percentage of Voting Interests Acquired								100.00%	62.40%	62.40%		100.00%	100.00%
Business Acquisition, Equity Interests Acquired, Number of Shares									62,400
Business Acquisition, Equity Interests Acquired, Number of Preferred Units Acquired									20,000
Business Acquisition, Equity Interest Issued or Issuable, Value Assigned, Common Units									$ 7,900,000
Business Acquisition, Equity Interest Issued or Issuable, Value Assigned									12,100,000
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners									37.60%
Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net
Cash and cash equivalents	17,213,000	11,284,000	17,213,000	11,284,000	15,209,000	31,339,000	1,893,000			350,000				703,000
Restricted cash	28,792,000		28,792,000		31,142,000		0			7,438,000				72,000
Investments							2,488,000			0				0
Short-term investments	971,000		971,000		1,222,000		0			252,000				0
Accrued investment income	1,006,000		1,006,000		1,235,000		38,000			0				0
Notes receivable, net	5,818,000		5,818,000		11,290,000		0			6,341,000				0
Other receivables	36,109,000		36,109,000		13,393,000		0			2,312,000				357,000
Reinsurance receivables	211,835,000		211,835,000		203,988,000		200,000			0				0
Property and equipment, net	16,805,000		16,805,000		17,900,000		0			628,000				61,000
Other Intangible Assets, Net	65,139,000		65,139,000				375,000			18,815,000				1,870,000
Other assets	9,062,000		9,062,000		7,667,000		10,000			1,470,000				0
Unpaid claims	(33,471,000)		(33,471,000)		(33,007,000)		(200,000)			(176,000)				0
Accrued expenses, accounts payable and other liabilities							(9,000)			(2,644,000)				(310,000)
Deferred Revenue	(69,188,000)		(69,188,000)		(55,043,000)		0			(30,000,000)				(1,260,000)
Income taxes payable	(237,000)		(237,000)		0		0			0				(273,000)
Deferred income taxes, net							0			0				(259,000)
Net Assets Acquired							4,795,000			4,786,000				961,000
Non-controlling interest									(4,745,000)	(4,745,000)
Purchase consideration (1) (2)							4,795,000			20,000,000	[1]			3,625,000	[2]
Goodwill							0			19,959,000				2,664,000
Business Acquisition, Working Capital Increase (Decrease)													300,000
Business Acquisition, Contingent Consideration, at Fair Value													300,000
Business Acquisition, Cost of Acquired Entity, Purchase Price								4,800,000	20,000,000			300,000
Disposal Date																Jun. 30, 2013
Statutory Accounting Practices, Statutory Capital and Surplus, Balance	61,762,000		61,762,000		53,885,000
Proceeds from Divestiture of Businesses																	3,000,000
Cash Divested from Deconsolidation																	800,000
Gain on sale of subsidiary	$ 0	$ 0	$ 402,000	$ 0													$ 400,000

[1] (2) - The purchase consideration of $20.0 million for the ProtectCELL acquisition represents the 62.4% ownership interest acquired in the transaction, comprised of 62,400 common units and 20,000 preferred units, preliminarily valued at $7.9 million and $12.1 million respectively.

[2] (1) - The purchase consideration for the 4Warranty acquisition includes $0.3 million of contingent consideration and $0.3 million of hold back reserves, which estimates are unchanged in the current period and are expected to be paid out based on the agreed terms of the Stock Purchase Agreement.