Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Statement of Comprehensive Income [Abstract]
Net Income (loss)	$ 17,700	$ 13,502
Other comprehensive income (loss)
Change in net unrealized gain (loss) on investments	25,244	(11,096)
Change in net benefit asset plans and obligations	(724)	(724)
Foreign currency translation adjustment	1,572	(23)
Other comprehensive income (loss), before tax and reclassification adjustments	26,092	(11,843)
Income tax effect	(5,149)	2,482
Other comprehensive income (loss), after tax, before reclassification adjustments	20,943	(9,361)
Change in unrealized (gains) losses on investments included in net investment gains (losses)	754	2,564
Net benefit asset plans and obligations included in other underwriting expense	0	0
Total reclassification adjustments, before tax	754	2,564
Income tax effect	(158)	(538)
Total reclassification adjustments, after tax	596	2,026
Comprehensive income (loss)	$ 39,239	$ 6,167