Fair Value of Financial Assets and Liabilities (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021	Dec. 31, 2021
Assets:
Marketable securities	$ 186,409		$ 186,409		$ 198,307
Liabilities:
Transfers into or out of Level 3	0	$ 0	0	$ 0
Revaluation of contingent consideration	2,200	$ 900	(2,400)	$ 22,139
Confluence
Liabilities:
Revaluation of contingent consideration			2,400
Recurring
Assets:
Cash equivalents	46,713		46,713		21,678
Marketable securities	186,409		186,409		198,307
Total assets measured at fair value	233,122		233,122		219,985
Liabilities:
Contingent consideration	26,000		26,000		28,400
Total liabilities measured at fair value	26,000		26,000		28,400
Recurring | Level 1
Assets:
Cash equivalents	46,713		46,713		21,678
Total assets measured at fair value	46,713		46,713		21,678
Recurring | Level 2
Assets:
Marketable securities	186,409		186,409		198,307
Total assets measured at fair value	186,409		186,409		198,307
Recurring | Level 3
Liabilities:
Contingent consideration	26,000		26,000		28,400
Total liabilities measured at fair value	$ 26,000		$ 26,000		$ 28,400