Summary of Critical and Significant Accounting Policies - Marketable Securities (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Equity securities:
Carrying Value	$ 100	$ 200
Total - Marketable securities, amortized cost	77,788	121,636
Total - Marketable securities, gross unrealized loss	10,007	(8,893)
Marketable securities, net of allowance for credit losses of zero as of both December 31, 2023 and December 31, 2022	87,795	112,743
Investment funds - debt securities
Equity securities:
Amortized Cost	26,460	43,155
Gross Unrealized Gain (Loss)	(1,584)	(6,771)
Carrying Value	24,876	36,384
Common stock, preferred stock, and stock funds
Equity securities:
Amortized Cost	51,328	78,481
Gross Unrealized Gain (Loss)	11,591	(2,122)
Carrying Value	$ 62,919	$ 76,359