Supplemental Financial Data, Accrued Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Accrued Liabilities [Abstract]
Clinical expenses	$ 105,967	$ 116,460
In-licensing expenses	7,454	7,945
Commercial expenses	4,875	3,498
Other miscellaneous expenses	29,598	12,198
Total accrued liabilities	$ 147,894	$ 140,101