Fair Value of Financial Instruments (Details 1) (USD $) In Thousands, unless otherwise specified	3 Months Ended				6 Months Ended
	Jun. 30, 2014		Jun. 30, 2013		Jun. 30, 2014		Jun. 30, 2013
Financial Assets
Beginning balance	$ 125,540		$ 104,096		$ 109,535		$ 131,509
Transfers into Level 3	12,452	[1]	55,301	[2]	29,617	[1]	71,345	[2]
Transfers out of Level 3	0	[1]	(35,066)	[2]	(519)	[1]	(68,744)	[2]
Total gains or losses
Net realized gains (losses) included in net income	(26)		0		(26)		0
Net unrealized gains (losses) included in other comprehensive income	1,991		(1,430)		3,286		(2,478)
Purchases	0		0		0		0
Issuances	0		0		0		0
Sales	0		(334)		0		(334)
Settlements	0		0		0		0
Paydowns, maturities and distributions	(449)		(12,864)		(2,385)		(21,595)
Ending balance	139,508		109,703		139,508		109,703
Financial Liabilities
Beginning balance	2,747	[3]			0	[3]
Transfers into Level 3	0	[1],[3]			0	[1],[3]
Transfers out of Level 3	0	[1],[3]			0	[1],[3]
Gain Or Losses Net [Abstract]
Net realized gains (losses) included in net income	57	[3]			69	[3]
Net unrealized gains (losses) included in other comprehensive income	0	[3]			0	[3]
Purchases	0	[3]			0	[3]
Issuances	4,121	[3]			6,856	[3]
Sales	0	[3]			0	[3]
Settlements	0	[3]			0	[3]
Paydowns, maturities and distributions	(10)	[3]			(10)	[3]
Ending balance	6,915	[3]			6,915	[3]
Municipal bonds [Member]
Financial Assets
Beginning balance	12,779		15,146		2,694		12,275
Transfers into Level 3	0	[1]	1,000	[2]	10,056	[1]	3,907	[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	337		(315)		434		(351)
Purchases	0		0		0		0
Issuances	0		0		0		0
Sales	0		0		0		0
Settlements	0		0		0		0
Paydowns, maturities and distributions	(62)		(12,067)		(130)		(12,067)
Ending balance	13,054		3,764		13,054		3,764
Corporate bonds [Member]
Financial Assets
Beginning balance	60,204		55,527		60,826		85,722
Transfers into Level 3	12,452	[1]	18,768	[2]	12,452	[1]	23,439	[2]
Transfers out of Level 3	0	[1]	(16,663)	[2]	0	[1]	(50,341)	[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	1,546		(824)		2,560		(1,709)
Purchases	0		0		0		0
Issuances	0		0		0		0
Sales	0		0		0		0
Settlements	0		0		0		0
Paydowns, maturities and distributions	(276)		(218)		(1,912)		(521)
Ending balance	73,926		56,590		73,926		56,590
Other mortgage-backed securities [Member]
Financial Assets
Beginning balance	52,551		33,083		46,009		33,172
Transfers into Level 3	0	[1]	35,533	[2]	7,109	[1]	43,999	[2]
Transfers out of Level 3	0	[1]	(18,403)	[2]	(519)	[1]	(18,403)	[2]
Total gains or losses
Net realized gains (losses) included in net income	(26)		0		(26)		0
Net unrealized gains (losses) included in other comprehensive income	108		(291)		292		(418)
Purchases	0		0		0		0
Issuances	0		0		0		0
Sales	0		0		0		0
Settlements	0		0		0		0
Paydowns, maturities and distributions	(111)		(579)		(343)		(9,007)
Ending balance	52,522		49,343		52,522		49,343
Total Fixed Maturities [Member]
Financial Assets
Beginning balance	125,534		103,756		109,529		131,169
Transfers into Level 3	12,452	[1]	55,301	[2]	29,617	[1]	71,345	[2]
Transfers out of Level 3	0	[1]	(35,066)	[2]	(519)	[1]	(68,744)	[2]
Total gains or losses
Net realized gains (losses) included in net income	(26)		0		(26)		0
Net unrealized gains (losses) included in other comprehensive income	1,991		(1,430)		3,286		(2,478)
Purchases	0		0		0		0
Issuances	0		0		0		0
Sales	0		0		0		0
Settlements	0		0		0		0
Paydowns, maturities and distributions	(449)		(12,864)		(2,385)		(21,595)
Ending balance	139,502		109,697		139,502		109,697
Equity securities [Member]
Financial Assets
Beginning balance	6		340		6		340
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		0		0		0
Purchases	0		0		0		0
Issuances	0		0		0		0
Sales	0		(334)		0		(334)
Settlements	0		0		0		0
Paydowns, maturities and distributions	0		0		0		0
Ending balance	$ 6		$ 6		$ 6		$ 6

[1] Transfers into and out of Level 3 during the three and six months ended June 30, 2014 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 having occurred at the end of the reporting period in which the transfers were determined.

[2] Transfers into and out of Level 3 during the three and six months ended June 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 having occurred at the end of the reporting period in which the transfers were determined.

[3] Represents embedded derivatives, all related to the Company’s FIA products, reported in Other Policyholder Funds in the Company’s Consolidated Balance Sheets.