Quarterly Financial Information (Unaudited) (Tables)

12 Months Ended

Dec. 31, 2021

Quarterly Financial Information Disclosure [Abstract]

Schedule of Quarterly Financial Information [Table Text Block]

The following table contains selected unaudited financial data for each quarter.

(In thousands, except per share amounts)	Fourth Quarter		Third Quarter	Second Quarter	First Quarter
2021
Revenues	$	69,921	61,584	63,558	55,483
Benefits and expenses	76,734		64,311	57,958	58,231
Federal income tax expense (benefit)	(44,950)		72	578	825
Net income (loss)	38,137		(2,799)	5,022	(3,573)
Net income (loss) available to common shareholders	38,137		(2,799)	5,022	(3,573)
Basic earnings (losses) per share of Class A common stock	0.77		(0.06)	0.10	(0.07)
Basic earnings (losses) per share of Class B common stock	0.36		—	0.05	(0.04)
Diluted earnings (losses) per share of Class A common stock	0.77		(0.06)	0.10	(0.07)
Diluted earnings (losses) per share of Class B common stock	0.36		—	0.05	(0.04)

2020
Revenues	64,968	59,825	58,341	55,722
Benefits and expenses	67,317	67,996	57,903	57,957
Federal income tax expense (benefit)	(3,887)	(256)	1,465	1,349
Net income (loss)	1,538	(7,915)	(1,027)	(3,584)
Net income (loss) available to common shareholders	1,538	(7,915)	(1,027)	(3,584)
Basic earnings (losses) per share of Class A common stock	0.03	(0.16)	(0.02)	(0.07)
Basic earnings (losses) per share of Class B common stock	0.01	(0.07)	(0.01)	(0.04)
Diluted earnings (losses) per share of Class A common stock	0.03	(0.16)	(0.02)	(0.07)
Diluted earnings (losses) per share of Class B common stock	0.01	(0.07)	(0.01)	(0.04)