Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Premiums:
Life insurance	$ 42,732	$ 44,502	$ 122,863	$ 127,795
Accident and health insurance	236	350	745	1,018
Property insurance	1,140	1,157	3,313	3,464
Net investment income	14,997	15,039	45,081	44,150
Realized investment gains (losses), net	527	72	669	3,164
Other income	193	347	1,217	1,148
Total revenues	59,825	61,467	173,888	180,739
Insurance benefits paid or provided:
Claims and surrenders	32,958	28,751	87,161	78,808
Increase in future policy benefit reserves	4,158	6,409	21,866	28,180
Policyholders' dividends	1,450	1,560	4,011	4,165
Total insurance benefits paid or provided	38,566	36,720	113,038	111,153
Commissions	7,712	8,879	22,279	25,147
Other general expenses	19,391	11,530	42,003	37,611
Capitalization of deferred policy acquisition costs	(4,892)	(5,984)	(13,632)	(16,224)
Amortization of deferred policy acquisition costs	6,760	7,835	18,940	21,043
Amortization of cost of customer relationships acquired	459	355	1,228	1,192
Total benefits and expenses	67,996	59,335	183,856	179,922
Income (loss) before federal income tax	(8,171)	2,132	(9,968)	817
Federal income tax expense (benefit)	(256)	86	2,558	7,138
Net income (loss)	(7,915)	2,046	(12,526)	(6,321)
Unrealized gains (losses) on available-for-sale debt securities:
Unrealized holding gains (losses) arising during period	15,128	24,201	52,707	84,222
Reclassification adjustments for losses (gains) included in net income	2	(53)	46	(30)
Unrealized gains (losses) on available-for-sale debt securities, net	15,130	24,148	52,753	84,192
Income tax expense (benefit) on unrealized gains (losses) on available-for-sale securities	1,020	1,627	4,067	5,815
Other comprehensive income (loss)	14,110	22,521	48,686	78,377
Comprehensive income (loss)	$ 6,195	$ 24,567	$ 36,160	$ 72,056
Common Stock Class A [Member]
Earnings Per Share [Abstract]
Basic and diluted earnings (loss) per share (in dollars per share)	$ (0.16)	$ 0.04	$ (0.25)	$ (0.13)
Common Stock Class B [Member]
Earnings Per Share [Abstract]
Basic and diluted earnings (loss) per share (in dollars per share)	$ (0.07)	$ 0.02	$ (0.12)	$ (0.06)