Revenue Recognition (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Financing Receivable, Past Due [Line Items]
Total contract revenue	$ 11,131	$ 9,373
Pharmaceutical Development Services [Member]
Financing Receivable, Past Due [Line Items]
Total contract revenue	716	694
Pharmaceutical Development Services [Member] | Licensing Agreements [Member]
Financing Receivable, Past Due [Line Items]
Total contract revenue	116	179
Pharmaceutical Development Services [Member] | Other Intangible Assets [Member]
Financing Receivable, Past Due [Line Items]
Total contract revenue	$ 600	$ 515