Investments, Unrealized Gains (Losses) on Equity Securities (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Investments [Abstract]
Net realized and unrealized gains (losses) recognized during the period on equity securities	$ (2,783)	$ 711	$ (5,456)	$ 5,458
Less: Net realized gains (losses) recognized during the period on equity securities sold during the period	0	0	0	0
Unrealized gains (losses) recognized during the reporting period on equity securities, net	$ (2,783)	$ 711	$ (5,456)	$ 5,458