Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Premiums:
Life insurance	$ 41,438	$ 40,185	$ 79,080	$ 80,131
Accident and health insurance	291	248	634	509
Property insurance	1,097	1,063	2,144	2,173
Net investment income	15,320	14,915	30,564	30,084
Realized investment gains (losses), net	4,859	1,448	5,151	142
Other income	553	482	1,468	1,024
Total revenues	63,558	58,341	119,041	114,063
Insurance benefits paid or provided:
Claims and surrenders	29,296	27,754	59,885	54,203
Increase in future policy benefit reserves	6,287	8,237	11,519	17,708
Policyholders' dividends	1,475	1,328	2,781	2,561
Total insurance benefits paid or provided	37,058	37,319	74,185	74,472
Commissions	8,801	6,714	16,958	14,567
Other general expenses	11,503	11,139	22,885	22,612
Capitalization of deferred policy acquisition costs	(5,787)	(3,731)	(10,772)	(8,740)
Amortization of deferred policy acquisition costs	6,074	6,061	12,257	12,180
Amortization of cost of customer relationships acquired	309	401	676	769
Total benefits and expenses	57,958	57,903	116,189	115,860
Income (loss) before federal income tax	5,600	438	2,852	(1,797)
Federal income tax expense (benefit)	578	1,465	1,403	2,814
Net income (loss)	5,022	(1,027)	1,449	(4,611)
Unrealized gains (losses) on available-for-sale debt securities:
Unrealized Holding Losses Arising During the Period Less Effects of DAC and CCRA, Before Tax			(24,142)
Unrealized Holding Gains Arising During the Period Less Effects of DAC and CCRA, Before Tax	31,756	80,508		37,579
Reclassification adjustments for losses (gains) included in net income	46	(87)	11	45
Unrealized gains (losses) on available-for-sale debt securities, net	31,802	80,421	(24,131)	37,624
Income tax expense (benefit) on unrealized gains (losses) on available-for-sale securities	(346)	5,774	239	3,047
Other comprehensive income (loss)	32,148	74,647	(24,370)	34,577
Comprehensive income (loss)	$ 37,170	$ 73,620	$ (22,921)	$ 29,966
Common Stock Class A [Member]
Earnings Per Share [Abstract]
Basic and diluted earnings (loss) per share (in dollars per share)	$ 0.10	$ (0.02)	$ 0.03	$ (0.09)
Common Stock Class B [Member]
Earnings Per Share [Abstract]
Basic and diluted earnings (loss) per share (in dollars per share)	$ 0.05	$ (0.01)	$ 0.01	$ (0.05)