Balance Sheet Accounts - Accrued Expenses and Other Current Liabilities (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Balance Sheet Related Disclosures [Abstract]
Accrued product sales reserves	$ 41,345	$ 33,000
Income taxes payable	1,158	5,182
Royalties payable to commercial partners	6,446	7,205
Accrued salary and other compensation	4,774	5,293
Accrued professional fees	2,251	5,541
Accrued research & development	$ 2,022	$ 1,549
Operating Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration]	Accrued Liabilities and Other Liabilities	Accrued Liabilities and Other Liabilities
Current portion of lease liability	$ 1,422	$ 1,534
Inventory received but not invoiced	2,456	6,779
Forward liability related to Enalare	0	4,063
Pemfexy royalty buy-down payable	0	15,000
Accrued other	616	698
Accrued Liabilities and Other Liabilities	$ 62,490	$ 85,844