Organization and Basis of Presentation - Summary of Financial Securities (Details) - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
Sep. 30, 2022	Sep. 30, 2021	Dec. 31, 2021
Equity securities:
Gross Unrealized (Loss) Gain	$ (63,556)	$ 23,772
Carrying Value	200		$ 800
Available for sale
Equity and Debt Securities, Amortized Cost	155,620		142,398
Equity and Debt Securities, Gross Unrealized Gain (Loss)	(13,921)		49,431
Equity and Debt Securities, Marketable Securities	141,699		191,829
Investment funds - debt securities
Equity securities:
Cost	63,681		62,192
Gross Unrealized (Loss) Gain	(11,582)		(502)
Carrying Value	52,099		61,690
Common stock, preferred stock, and stock funds
Equity securities:
Cost	90,890		79,155
Gross Unrealized (Loss) Gain	(2,884)		49,592
Carrying Value	88,006		128,747
Investment-grade unsecured debt
Available for sale
Cost	1,049		1,051
Gross Unrealized (Loss) Gain	545		341
Carrying Value	$ 1,594		$ 1,392

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