Other Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Other Comprehensive Income (Loss), Net of Tax
Unrealized holding gains (losses) arising during the period. before tax	$ (41,123)	$ 84,010	$ 78,744
Unrealized holding gains (losses) arising during the period, tax effect	3,084	(6,044)	(5,535)
Unrealized holding gains (losses) arising during the period, net of tax	(38,039)	77,966	73,209
Reclassification adjustment for (gains) losses included in net income	(243)	111	(1,927)
Reclassification adjustment for (gains) losses included in net income, tax effect	51	(23)	405
Reclassification adjustment for (gains) losses included in net income, net of tax	(192)	88	(1,522)
Other Comprehensive Income (Loss), Effects of Deferred Policy Acquisition Cost, before Tax, Portion Attributable to Parent	37,679	(37,372)	(484)
Other Comprehensive Income (Loss), Effects of Deferred Policy Acquisition Costs , Tax	(8,938)	8,872	102
Other Comprehensive Income (Loss), Effects of Deferred Policy Acquisition Costs, Net of Tax	28,741	(28,500)	(382)
Other Comprehensive Income (Loss), Effect of Cost of Insurance Acquired before Tax	276	(98)	(224)
Other Comprehensive Income, Effects of Cost of Insurance Acquired, Tax	(58)	21	47
Other Comprehensive Income (Loss), Effects of Cost of Insurance Acquired, Net of Tax	218	(77)	(177)
Other Comprehensive Income, Effect of Future Policy Benefit Reserves before Tax	(1,887)	2,102	789
Other Comprehensive Income (Loss), Effects of Future Policy Benefit Reserves, Tax	396	(441)	(166)
Other Comprehensive Income (Loss), Effects of Future Policy Benefit Reserves, Net of Tax	(1,491)	1,661	623
Unrealized gains (losses) arising during period, net	(5,298)	48,753	76,898
Other Comprehensive Income (Loss), Tax, Portion Attributable to Parent	(5,465)	2,385	(5,147)
Other comprehensive income (loss)	$ (10,763)	$ 51,138	$ 71,751