Investments - Schedule of Components of Investment Gains (Losses) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Realized Investment Gains (Losses) [Abstract]
Gross gains from sales of available-for-sale securities fixed maturity securities	$ 442	$ 420	$ 492	$ 1,022
Gross losses from sales of available-for-sale fixed maturity securities	(105)	(364)	(1,140)	(390)
Realized investment gains (losses)	337	56	(648)	632
Credit (losses) gains impairment of available-for-sale securities	(6)		(2,167)	81
Market gains (losses) recognized in net income during the period on equity securities	(656)	(1,949)	(2,130)	(1,833)
Gains (losses) from bifurcated options	(8)
Gains (losses) on trading securities	5	1	9	(21)
Other investment gains (losses)	(665)	(1,948)	(4,288)	(1,773)
Investment gains (losses)	$ (328)	$ (1,892)	$ (4,936)	$ (1,141)