Accounting Pronouncements (Details) - USD ($)		3 Months Ended
	Dec. 31, 2020	Mar. 31, 2023	Mar. 31, 2022	Dec. 31, 2022
Liability for Future Policy Benefits
Post-adoption liability, ending balance	$ 1,613,279,000
Fixed Annuity Liability
Beginning balance		$ 121,422,000
Ending balance		124,528,000	$ 111,751,000
Deferred Acquisition Costs
Beginning balance		162,927,000	152,418,000
Ending balance	143,123,000	165,471,000	153,640,000
Cost of Insurance Acquired
Beginning balance		10,647,000	11,268,000
Ending balance	12,025,000
Statement of Financial Position [Abstract]
Deferred policy acquisition costs	143,123,000	165,471,000	153,640,000	$ 162,927,000
Cost of insurance acquired		10,486,000	11,139,000	10,647,000
Deferred tax asset, net		0		0
Life insurance		1,218,295,000	1,380,100,000	1,198,647,000
Annuities (future policy benefit reserves)	81,730,000			0
Annuities (policyholders' funds)		124,528,000	111,751,000	121,422,000
Other policyholders' funds		7,325,000		7,501,000
Deferred federal income tax liability		5,775,000		3,653,000
Retained earnings (accumulated deficit)		21,181,000		16,309,000
Accumulated other comprehensive income (loss)		(115,465,000)		(137,044,000)
Income Statement [Abstract]
Increase (decrease) in future policy benefit reserves		(978,000)	114,000
Policyholder liability remeasurement (gain) loss		880,000	668,000
Amortization of deferred policy acquisition costs		3,814,000	3,559,000
Amortization of cost of insurance acquired		161,000	129,000
Federal income tax expense (benefit)		1,843,000	729,000
Unrealized holding gains arising during the period		43,436,000	(132,765,000)
Change in current discount rate for liability for future policy benefits		(20,480,000)	151,607,000
Income tax expense (benefit) on other comprehensive income items		$ 1,415,000	$ 1,712,000
Effect of Modified Retrospective Application Accounting Standards Update 2018-12
Statement of Financial Position [Abstract]
Retained earnings (accumulated deficit)	(100,000)
Accumulated other comprehensive income (loss)	(316,800,000)
Common Stock Class A [Member]
Income Statement [Abstract]
Earnings Per Share, Basic		$ 0.10	$ 0.13
Earnings Per Share, Diluted		$ 0.10	$ 0.13
Previously Reported
Liability for Future Policy Benefits
Post-adoption liability, ending balance	1,242,886,000
Fixed Annuity Liability
Beginning balance		$ 0
Deferred Acquisition Costs
Beginning balance		140,167,000
Ending balance	104,913,000
Cost of Insurance Acquired
Ending balance	11,541,000
Statement of Financial Position [Abstract]
Deferred policy acquisition costs	104,913,000			140,167,000
Cost of insurance acquired				10,260,000
Deferred tax asset, net				2,414,000
Life insurance				1,305,506,000
Annuities (future policy benefit reserves)	78,304,000			91,234,000
Annuities (policyholders' funds)				0
Other policyholders' funds				40,497,000
Deferred federal income tax liability				0
Retained earnings (accumulated deficit)				(52,203,000)
Accumulated other comprehensive income (loss)				(195,279,000)
Income Statement [Abstract]
Increase (decrease) in future policy benefit reserves			$ 6,569,000
Policyholder liability remeasurement (gain) loss			0
Amortization of deferred policy acquisition costs			5,817,000
Amortization of cost of insurance acquired			236,000
Federal income tax expense (benefit)			359,000
Unrealized holding gains arising during the period			(133,342,000)
Change in current discount rate for liability for future policy benefits			0
Income tax expense (benefit) on other comprehensive income items			$ (9,066,000)
Previously Reported | Common Stock Class A [Member]
Income Statement [Abstract]
Earnings Per Share, Basic			$ (0.03)
Earnings Per Share, Diluted			$ (0.03)
Revision of Prior Period, Accounting Standards Update, Adjustment
Liability for Future Policy Benefits
Change in discount rate assumptions	370,291,000
Effect of reserve changes	102,000
Fixed Annuity Liability
Beginning balance		121,422,000
Deferred Acquisition Costs
Beginning balance		22,760,000
Impact of flooring cohorts at zero	35,000
Ending balance	38,175,000
Cost of Insurance Acquired
Ending balance	484,000
Statement of Financial Position [Abstract]
Deferred policy acquisition costs	38,175,000			22,760,000
Cost of insurance acquired				387,000
Deferred tax asset, net				(2,414,000)
Life insurance				(106,859,000)
Annuities (future policy benefit reserves)	3,426,000			(91,234,000)
Annuities (policyholders' funds)				121,422,000
Other policyholders' funds				(32,996,000)
Deferred federal income tax liability				3,653,000
Retained earnings (accumulated deficit)				68,512,000
Accumulated other comprehensive income (loss)				58,235,000
Income Statement [Abstract]
Increase (decrease) in future policy benefit reserves			$ (6,455,000)
Policyholder liability remeasurement (gain) loss			668,000
Amortization of deferred policy acquisition costs			(2,258,000)
Amortization of cost of insurance acquired			(107,000)
Federal income tax expense (benefit)			370,000
Unrealized holding gains arising during the period			577,000
Change in current discount rate for liability for future policy benefits			151,607,000
Income tax expense (benefit) on other comprehensive income items			$ 10,778,000
Revision of Prior Period, Accounting Standards Update, Adjustment | Common Stock Class A [Member]
Income Statement [Abstract]
Earnings Per Share, Basic			$ 0.16
Earnings Per Share, Diluted			$ 0.16
Life Insurance:
Liability for Future Policy Benefits
Pre-adoption liability, beginning balance		1,143,027,000	$ 1,408,961,000
Change in discount rate assumptions		(9,136,000)	5,749,000
Effect of reserve changes		(10,466,000)	(9,033,000)
Post-adoption liability, ending balance	1,249,202,000	1,163,393,000	1,285,216,000
Deferred Acquisition Costs
Beginning balance		113,484,000	107,702,000
Ending balance	103,064,000	114,682,000	107,988,000
Cost of Insurance Acquired
Beginning balance		1,461,000	1,584,000
Ending balance	1,734,000
Statement of Financial Position [Abstract]
Deferred policy acquisition costs	103,064,000	114,682,000	107,988,000	113,484,000
Cost of insurance acquired		1,429,000	1,560,000
Annuities (future policy benefit reserves)	60,027,000
Income Statement [Abstract]
Increase (decrease) in future policy benefit reserves		(1,820,000)	1,376,000
Policyholder liability remeasurement (gain) loss		816,000	414,000
Amortization of deferred policy acquisition costs		3,162,000	3,020,000
Amortization of cost of insurance acquired		32,000	24,000
Life Insurance: | Previously Reported
Liability for Future Policy Benefits
Post-adoption liability, ending balance	987,373,000
Deferred Acquisition Costs
Ending balance	94,771,000
Cost of Insurance Acquired
Ending balance	1,734,000
Statement of Financial Position [Abstract]
Deferred policy acquisition costs	94,771,000
Annuities (future policy benefit reserves)	60,027,000
Life Insurance: | Revision of Prior Period, Accounting Standards Update, Adjustment
Liability for Future Policy Benefits
Change in discount rate assumptions	261,823,000
Effect of reserve changes	6,000
Deferred Acquisition Costs
Impact of flooring cohorts at zero	23,000
Ending balance	8,270,000
Cost of Insurance Acquired
Ending balance	0
Statement of Financial Position [Abstract]
Deferred policy acquisition costs	8,270,000
Annuities (future policy benefit reserves)	0
Home Service Insurance:
Liability for Future Policy Benefits
Pre-adoption liability, beginning balance		316,707,000	427,921,000
Change in discount rate assumptions		(5,798,000)	5,018,000
Effect of reserve changes		(2,500,000)	(1,113,000)
Post-adoption liability, ending balance	364,077,000	324,945,000	375,490,000
Fixed Annuity Liability
Ending balance		22,001,000	22,229,000
Deferred Acquisition Costs
Beginning balance		49,443,000	44,716,000
Ending balance	40,059,000	50,789,000	45,652,000
Cost of Insurance Acquired
Beginning balance		9,186,000	9,684,000
Ending balance	10,291,000
Statement of Financial Position [Abstract]
Deferred policy acquisition costs	40,059,000	50,789,000	45,652,000	$ 49,443,000
Cost of insurance acquired		9,057,000	9,579,000
Annuities (future policy benefit reserves)	21,703,000
Annuities (policyholders' funds)		22,001,000	22,229,000
Income Statement [Abstract]
Increase (decrease) in future policy benefit reserves		842,000	(1,262,000)
Policyholder liability remeasurement (gain) loss		64,000	254,000
Amortization of deferred policy acquisition costs		652,000	539,000
Amortization of cost of insurance acquired		$ 129,000	$ 105,000
Home Service Insurance: | Previously Reported
Liability for Future Policy Benefits
Post-adoption liability, ending balance	255,513,000
Deferred Acquisition Costs
Ending balance	10,142,000
Cost of Insurance Acquired
Ending balance	9,807,000
Statement of Financial Position [Abstract]
Deferred policy acquisition costs	10,142,000
Annuities (future policy benefit reserves)	18,277,000
Home Service Insurance: | Revision of Prior Period, Accounting Standards Update, Adjustment
Liability for Future Policy Benefits
Change in discount rate assumptions	108,468,000
Effect of reserve changes	96,000
Deferred Acquisition Costs
Impact of flooring cohorts at zero	12,000
Ending balance	29,905,000
Cost of Insurance Acquired
Ending balance	484,000
Statement of Financial Position [Abstract]
Deferred policy acquisition costs	29,905,000
Annuities (future policy benefit reserves)	$ 3,426,000