License and Collaboration Agreement - Contract Assets and Liabilities (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021
Deferred revenue - related party
Balance at Beginning of Period	$ 1,601
Payable to collaboration partner - related party
Balance at Beginning of Period	899
Balance at End of Period	32
Janssen | License and Collaboration Agreement
Receivable from collaboration partner - related party
Balance at Beginning of Period	1,566	$ 2,426
Additions	25,165	5,732
Deductions	(26,606)	(5,520)
Balance at End of Period	125	2,638
Deferred revenue - related party
Balance at Beginning of Period	1,601	14,477
Additions	25,757	16,715
Deductions	(27,358)	(28,951)
Balance at End of Period	0	2,241
Payable to collaboration partner - related party
Balance at Beginning of Period	899	2,732
Additions	52	9,785
Deductions	(919)	(11,396)
Balance at End of Period	$ 32	$ 1,121