Financial Schedules Schedule II - Statement of Operations (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2011	Sep. 30, 2011	Jun. 30, 2011	Mar. 31, 2011	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Condensed Financial Statements, Captions [Line Items]
Decrease in fair value of warrants									$ 451	$ 1,136	$ 232
Other Income									514	761	808
Realized investment gains (losses), net									196	765	8,012
Total revenue	54,070	52,182	49,602	46,905	52,458	48,333	48,296	45,069	202,759	194,156	190,324
Federal income tax expense	(144)	1,134	(64)	581	(119)	729	1,369	869	1,507	2,848	3,685
Net income	(297)	2,911	403	1,512	1,798	2,053	3,009	1,622	4,529	8,482	14,704
Parent Company [Member]
Condensed Financial Statements, Captions [Line Items]
Management service fees									27,930	28,560	29,153
Investment income									1,157	822	423
Decrease in fair value of warrants									451	1,136	232
Other Income									0	0	0
Realized investment gains (losses), net									27	18	(53)
Total revenue									29,565	30,536	29,755
General									26,280	26,418	26,529
Taxes, licenses and fees									870	962	821
Federal income tax expense									708	709	787
Total expenses									27,858	28,089	28,137
Income before equity in income of consolidated subsidiaries									1,707	2,447	1,618
Equity in income of consolidated subsidiaries									2,822	6,035	13,086
Net income									$ 4,529	$ 8,482	$ 14,704