Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Premiums:
Life insurance	$ 47,219	$ 45,234	$ 136,866	$ 131,298
Accident and health insurance	387	394	1,183	1,135
Property insurance	1,302	1,295	3,885	3,832
Net investment income	11,325	10,384	33,595	30,373
Realized investment losses, net	(2,407)	(222)	(2,486)	(351)
Other income	298	145	1,020	477
Total revenue	58,124	57,230	174,063	166,764
Insurance benefits paid or provided:
Claims and surrenders	19,528	17,326	58,171	50,451
Increase in future policy benefit reserves	19,276	19,307	56,334	56,984
Policyholders' dividends	2,719	2,573	7,568	7,087
Total insurance benefits paid or provided	41,523	39,206	122,073	114,522
Commissions	11,388	11,116	32,052	31,429
Other general expenses	6,958	6,029	24,954	19,979
Capitalization of deferred policy acquisition costs	(8,482)	(8,126)	(23,374)	(22,617)
Amortization of deferred policy acquisition costs	6,271	5,276	17,217	15,378
Amortization of cost of customer relationships acquired	605	453	1,768	1,598
Total benefits and expenses	58,263	53,954	174,690	160,289
Income before federal income tax	(139)	3,276	(627)	6,475
Federal income tax (benefit) expense	(242)	952	759	1,804
Net income	103	2,324	(1,386)	4,671
Unrealized gains on available-for-sale securities:
Unrealized holding gains arising during period	(1,803)	(1,628)	(13,574)	24,764
Reclassification adjustments for losses included in net income	2,405	227	2,449	332
Unrealized gains on available-for-sale securities, net	602	(1,401)	(11,125)	25,096
Income tax expense on unrealized gains (losses) on available-for-sale securities	210	(490)	(3,894)	8,804
Other comprehensive income	392	(911)	(7,231)	16,292
Comprehensive income	$ 495	$ 1,413	$ (8,617)	$ 20,963
Common Stock Class A [Member]
Earnings Per Share [Abstract]
Basic earnings per share (in dollars per share)	$ 0.00	$ 0.04	$ (0.03)	$ 0.09
Diluted earnings per share (in dollars per share)	0.00	0.04	(0.03)	0.09
Common Stock Class B [Member]
Earnings Per Share [Abstract]
Basic earnings per share (in dollars per share)	0.00	0.03	(0.02)	0.05
Diluted earnings per share (in dollars per share)	$ 0.00	$ 0.03	$ (0.02)	$ 0.05