Fair Value Measurements - Schedule of Assets and Liabilities Measured at Fair Value (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Total Assets	$ 533,249	$ 620,927
Cash and Cash Equivalents and Restricted Cash
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Total Assets	130,819	123,267
Marketable Securities
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Total Assets	382,246	456,212
Equity Investments
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Total Assets	20,184	41,448
Level 1
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Total Assets	148,938	162,828
Level 1 | Cash and Cash Equivalents and Restricted Cash
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Total Assets	130,819	123,267
Level 1 | Equity Investments
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Total Assets	18,119	39,561
Level 2
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Total Assets	382,246	456,212
Level 2 | Marketable Securities
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Total Assets	382,246	456,212
Level 3
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Total Assets	2,065	1,887
Level 3 | Equity Investments
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Total Assets	$ 2,065	$ 1,887