Investments - Portion of Net Unrealized Gains (Losses) Recognized During the Reporting Period (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
Equity securities:
Net gains recognized during the period	$ 1,520	$ 910	$ 606	$ 1,669
Less: net gains (losses) recognized on securities sold	32	15	(7)	149
Net unrealized gains recognized on securities held at reporting date	$ 1,488	$ 895	$ 613	$ 1,520