Investments (Schedule of Fixed Maturities) (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Marketable Securities [Abstract]
Amortized Cost, Due to mature One year or less	$ 10,662	$ 14,457
Amortized Cost, Due to mature After one year through five years	83,431	82,429
Amortized Cost, Due to mature After five years through ten years	77,360	82,270
Amortized Cost, Due to mature After ten years	41,175	63,106
Amortized Cost, Due to mature Mortgage/asset-backed securities	120,074	111,672
Amortized Cost, Due to mature Redeemable preferred stocks	4,746	4,008
Available-for-sale Securities, Debt Maturities, Amortized Cost	337,448	357,942
Fair Value, Due to mature One year or less	10,534	14,586
Fair Value, Due to mature After one year through five years	77,755	84,760
Fair Value, Due to mature After five years through ten years	65,378	84,173
Fair Value, Due to mature After ten years	32,625	64,894
Fair Value, Due to mature Mortgage/asset-backed securities	103,950	112,110
Fair Value, Due to mature Redeemable preferred stocks	3,969	4,128
Available-for-sale Securities, Debt Securities, Estimated Fair Value	$ 294,211	$ 364,651