Investments - Unrealized Gains Related to Equity Securities (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Investments, Debt and Equity Securities [Abstract]
Net gains recognized during the period	$ 986	$ 2,983	$ 12,044	$ 8,447
Less: net (losses) gains recognized during the period on equity securities sold during the period	(1,362)	5,259	6,027	5,849
Unrealized gains (losses) recognized during the period on equity securities held	$ 2,348	$ (2,276)	$ 6,017	$ 2,598