Investments - Schedule of Net Investment Gains (Losses) for Continuing and Discontinued Operations (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Gross realized gains:
Total gross realized gains	$ 503	$ 199
Gross realized losses, excluding credit impairment losses:
Total gross realized losses, excluding credit impairment losses	(177)	(290)
Net realized gains (losses)	326	(91)
Change in net unrealized gains on equity securities	543	1,547
Net investment gains – continuing operations	869	1,456
Net investment gains – discontinued operations		372
Net investment gains	869	1,828
Fixed income securities [Member]
Gross realized gains:
Total gross realized gains		9
Gross realized losses, excluding credit impairment losses:
Total gross realized losses, excluding credit impairment losses		(15)
Equity securities [Member]
Gross realized gains:
Total gross realized gains	503	190
Gross realized losses, excluding credit impairment losses:
Total gross realized losses, excluding credit impairment losses	$ (177)	$ (275)