Fair Value of Financial Instruments (Details 1) (USD $) In Thousands, unless otherwise specified	3 Months Ended				9 Months Ended
	Sep. 30, 2013		Sep. 30, 2012		Sep. 30, 2013		Sep. 30, 2012
Financial Assets
Beginning balance	$ 109,703		$ 69,755		$ 131,509		$ 93,173
Transfers into Level 3	38,689	[1]	62,899	[2]	110,034	[1]	89,643	[2]
Transfers out of Level 3	(2,681)	[1]	0	[2]	(71,425)	[1]	(50,707)	[2]
Total gains or losses
Net realized gains (losses) included in net income	0		(2)		0		(2)
Net unrealized gains (losses) included in other comprehensive income	(39)		19		(2,517)		1,130
Purchases	0		0		0		0
Issuances	0		0		0		0
Sales	0		0		(334)		0
Settlements	0		0		0		0
Paydowns, maturities and distributions	(10,050)		(329)		(31,645)		(895)
Ending balance	135,622		132,342		135,622		132,342
Municipal bonds [Member]
Financial Assets
Beginning balance	3,764		0		12,275		0
Transfers into Level 3	5,546	[1]	12,297	[2]	9,453	[1]	12,297	[2]
Transfers out of Level 3	(800)	[1]	0	[2]	(800)	[1]	0	[2]
Total gains or losses
Net realized gains (losses) included in net income	0		0		0		0
Net unrealized gains (losses) included in other comprehensive income	(123)		0		(474)		0
Purchases	0		0		0		0
Issuances	0		0		0		0
Sales	0		0		0		0
Settlements	0		0		0		0
Paydowns, maturities and distributions	(72)		0		(12,139)		0
Ending balance	8,315		12,297		8,315		12,297
Corporate bonds [Member]
Financial Assets
Beginning balance	56,590		56,459		85,722		88,256
Transfers into Level 3	9,315	[1]	29,558	[2]	32,754	[1]	47,798	[2]
Transfers out of Level 3	0	[1]	0	[2]	(50,341)	[1]	(50,707)	[2]
Total gains or losses
Net realized gains (losses) included in net income	0		0		0		0
Net unrealized gains (losses) included in other comprehensive income	104		(31)		(1,605)		915
Purchases	0		0		0		0
Issuances	0		0		0		0
Sales	0		0		0		0
Settlements	0		0		0		0
Paydowns, maturities and distributions	(1,718)		(169)		(2,239)		(445)
Ending balance	64,291		85,817		64,291		85,817
Other mortgage-backed securities [Member]
Financial Assets
Beginning balance	49,343		12,911		33,172		4,532
Transfers into Level 3	23,828	[1]	21,044	[2]	67,827	[1]	29,548	[2]
Transfers out of Level 3	(1,881)	[1]	0	[2]	(20,284)	[1]	0	[2]
Total gains or losses
Net realized gains (losses) included in net income	0		(2)		0		(2)
Net unrealized gains (losses) included in other comprehensive income	(20)		95		(438)		260
Purchases	0		0		0		0
Issuances	0		0		0		0
Sales	0		0		0		0
Settlements	0		0		0		0
Paydowns, maturities and distributions	(8,260)		(160)		(17,267)		(450)
Ending balance	63,010		33,888		63,010		33,888
Total Fixed Maturities [Member]
Financial Assets
Beginning balance	109,697		69,370		131,169		92,788
Transfers into Level 3	38,689	[1]	62,899	[2]	110,034	[1]	89,643	[2]
Transfers out of Level 3	(2,681)	[1]	0	[2]	(71,425)	[1]	(50,707)	[2]
Total gains or losses
Net realized gains (losses) included in net income	0		(2)		0		(2)
Net unrealized gains (losses) included in other comprehensive income	(39)		64		(2,517)		1,175
Purchases	0		0		0		0
Issuances	0		0		0		0
Sales	0		0		0		0
Settlements	0		0		0		0
Paydowns, maturities and distributions	(10,050)		(329)		(31,645)		(895)
Ending balance	135,616		132,002		135,616		132,002
Equity securities [Member]
Financial Assets
Beginning balance	6		385		340		385
Transfers into Level 3	0	[1]	0	[2]	0	[1]	0	[2]
Transfers out of Level 3	0	[1]	0	[2]	0	[1]	0	[2]
Total gains or losses
Net realized gains (losses) included in net income	0		0		0		0
Net unrealized gains (losses) included in other comprehensive income	0		(45)		0		(45)
Purchases	0		0		0		0
Issuances	0		0		0		0
Sales	0		0		(334)		0
Settlements	0		0		0		0
Paydowns, maturities and distributions	0		0		0		0
Ending balance	$ 6		$ 340		$ 6		$ 340

[1] Transfers into and out of Level 3 during the periods ended September 30, 2013 were attributable to changes in the availability of observable market information for individual fixed maturity securities. The Company’s policy is to recognize transfers into and transfers out of the levels as of the ending date of the reporting period.

[2] Transfers into and out of Level 3 during the periods ended September 30, 2012 were attributable to changes in the availability of observable market information for individual fixed maturity securities. The Company’s policy is to recognize transfers into and transfers out of the levels as of the ending date of the reporting period.