Fair Value Measurements - Assets and Liabilities Measured on Recurring Basis (Details) - Fair Value, Recurring - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Assets:
Equity securities without RDFV	$ 1,200	$ 1,200
Total assets	51,202	1,200
Liabilities:
Contingent consideration	12,750	12,000
Total liabilities	12,750	12,000
Money market funds
Assets:
Debt Securities:	169
U.S. treasury bills
Assets:
Debt Securities:	49,833
Level 1
Assets:
Equity securities without RDFV	0	0
Total assets	50,002	0
Liabilities:
Contingent consideration	0	0
Total liabilities	0	0
Level 1 | Money market funds
Assets:
Debt Securities:	169
Level 1 | U.S. treasury bills
Assets:
Debt Securities:	49,833
Level 2
Assets:
Equity securities without RDFV	0	0
Total assets	0	0
Liabilities:
Contingent consideration	0	0
Total liabilities	0	0
Level 2 | Money market funds
Assets:
Debt Securities:	0
Level 2 | U.S. treasury bills
Assets:
Debt Securities:	0
Level 3
Assets:
Equity securities without RDFV	1,200	1,200
Total assets	1,200	1,200
Liabilities:
Contingent consideration	12,750	12,000
Total liabilities	12,750	$ 12,000
Level 3 | Money market funds
Assets:
Debt Securities:	0
Level 3 | U.S. treasury bills
Assets:
Debt Securities:	$ 0