Investments - Schedule of Investment Gains and Losses (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Realized investment gains (losses):
Gross gains from sales of available-for-sale fixed maturity and equity securities	$ 2,036	$ 7,060	$ 2,595
Gross gains from sales of available-for-sale fixed maturity and equity securities			12
Gross losses from sales of available-for-sale fixed maturity and equity securities	(592)	(2,395)	(955)
Gross losses from sales of available-for-sale fixed maturity and equity securities			(293)
Realized investment gains (losses)	1,444	4,665	1,359
Other investment gains (losses):
Credit losses impairment of available-for-sale securities	(57)	(816)	(4,254)
Market gains (losses) recognized in net income during the period on equity securities	(2,375)	2,362	(2,154)
Gains (losses) from bifurcated options		(57)	57
Gains (losses) on trading securities	(7)	(282)	(4)
Other investment gains (losses):	(2,439)	1,207	(6,355)
Investment gains (losses)	$ (995)	$ 5,872	$ (4,996)