Fair Value of Financial Instruments (Details 1) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014		Mar. 31, 2013
Financial Assets
Beginning balance	$ 109,535		$ 131,509
Transfers into Level 3	17,164	[1]	16,044	[1]
Transfers out of Level 3	(519)	[1]	(33,678)	[1]
Total gains or losses
Net realized gains (losses) included in net income	0		0
Net unrealized gains (losses) included in other comprehensive income	1,296		(1,048)
Purchases	0		0
Issuances	0		0
Sales	0		0
Settlements	0		0
Paydowns, maturities and distributions	(1,936)		(8,731)
Ending balance	125,540		104,096
Financial Liabilities
Beginning balance	0	[2]	0	[2]
Transfers into Level 3	0	[1],[2]	0	[1],[2]
Transfers out of Level 3	0	[1],[2]	0	[1],[2]
Gain Or Losses Net [Abstract]
Net realized gains (losses) included in net income	0	[2]	0	[2]
Net unrealized gains (losses) included in other comprehensive income	0	[2]	0	[2]
Purchases	0	[2]	0	[2]
Issuances	2,747	[2]	0	[2]
Sales	0	[2]	0	[2]
Settlements	0	[2]	0	[2]
Paydowns, maturities and distributions	0	[2]	0	[2]
Ending balance	2,747	[2]	0	[2]
Municipal bonds [Member]
Financial Assets
Beginning balance	2,694		12,275
Transfers into Level 3	10,055	[1]	2,907	[1]
Transfers out of Level 3	0	[1]	0	[1]
Total gains or losses
Net realized gains (losses) included in net income	0		0
Net unrealized gains (losses) included in other comprehensive income	98		(36)
Purchases	0		0
Issuances	0		0
Sales	0		0
Settlements	0		0
Paydowns, maturities and distributions	(68)		0
Ending balance	12,779		15,146
Corporate bonds [Member]
Financial Assets
Beginning balance	60,826		85,722
Transfers into Level 3	0	[1]	4,671	[1]
Transfers out of Level 3	0	[1]	(33,678)	[1]
Total gains or losses
Net realized gains (losses) included in net income	0		0
Net unrealized gains (losses) included in other comprehensive income	1,014		(885)
Purchases	0		0
Issuances	0		0
Sales	0		0
Settlements	0		0
Paydowns, maturities and distributions	(1,636)		(303)
Ending balance	60,204		55,527
Other mortgage-backed securities [Member]
Financial Assets
Beginning balance	46,009		33,172
Transfers into Level 3	7,109	[1]	8,466	[1]
Transfers out of Level 3	(519)	[1]	0	[1]
Total gains or losses
Net realized gains (losses) included in net income	0		0
Net unrealized gains (losses) included in other comprehensive income	184		(127)
Purchases	0		0
Issuances	0		0
Sales	0		0
Settlements	0		0
Paydowns, maturities and distributions	(232)		(8,428)
Ending balance	52,551		33,083
Total Fixed Maturities [Member]
Financial Assets
Beginning balance	109,529		131,169
Transfers into Level 3	17,164	[1]	16,044	[1]
Transfers out of Level 3	(519)	[1]	(33,678)	[1]
Total gains or losses
Net realized gains (losses) included in net income	0		0
Net unrealized gains (losses) included in other comprehensive income	1,296		(1,048)
Purchases	0		0
Issuances	0		0
Sales	0		0
Settlements	0		0
Paydowns, maturities and distributions	(1,936)		(8,731)
Ending balance	125,534		103,756
Equity securities [Member]
Financial Assets
Beginning balance	6		340
Transfers into Level 3	0	[1]	0	[1]
Transfers out of Level 3	0	[1]	0	[1]
Total gains or losses
Net realized gains (losses) included in net income	0		0
Net unrealized gains (losses) included in other comprehensive income	0		0
Purchases	0		0
Issuances	0		0
Sales	0		0
Settlements	0		0
Paydowns, maturities and distributions	0		0
Ending balance	$ 6		$ 340

[1] Transfers into and out of Level 3 during the periods ended March 31, 2014 and 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.

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