Financial Schedules Schedule II - Statement of Operations (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2014
Condensed Financial Statements, Captions [Line Items]
Other Income									$ 955	$ 1,465		$ 650
Realized investment gains (losses), net									(1,985)	(5,459)		(19)
Total revenue	$ 67,903	$ 61,741	$ 61,237	$ 54,525	$ 62,205	$ 58,124	$ 60,079	$ 55,860	245,406	236,268		230,225
Federal income tax expense (benefit)	(490)	1,845	1,077	1,082	208	(165)	1,153	2	3,514	1,200		4,020
Net income (loss)	$ 116	$ 2,762	$ 1,482	$ (2,391)	$ (2,197)	$ 250	$ (1,767)	$ 572	1,969	(3,143)	$ (5,970)	(5,970)
Parent Company [Member]
Condensed Financial Statements, Captions [Line Items]
Management service fees									33,748	31,328		27,497
Investment income									1,491	1,499		1,361
Other Income									49	58		1
Realized investment gains (losses), net									0	0		46
Total revenue									35,288	32,885		28,905
General									33,807	29,609		25,572
Taxes, licenses and fees									996	918		902
Federal income tax expense (benefit)									(196)	523		558
Total expenses									34,607	31,050		27,032
Income before equity in income of consolidated subsidiaries									681	1,835		1,873
Equity in income of consolidated subsidiaries									1,288	(4,978)		(7,843)
Net income (loss)									$ 1,969	$ (3,143)		$ (5,970)