Revenue Recognition (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Financing Receivable, Past Due [Line Items]
Total contract revenue	$ 6,942	$ 22,266	$ 18,073	$ 31,639
Pharmaceutical Development Services [Member]
Financing Receivable, Past Due [Line Items]
Total contract revenue	114	10,461	830	11,155
Pharmaceutical Development Services [Member] | Licensing Agreements [Member]
Financing Receivable, Past Due [Line Items]
Total contract revenue	16	10,431	132	10,610
Pharmaceutical Development Services [Member] | Other Intangible Assets [Member]
Financing Receivable, Past Due [Line Items]
Total contract revenue	$ 98	$ 30	$ 698	$ 545