Balance Sheet Accounts - Prepaid and Other Current Assets (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Balance Sheet Related Disclosures [Abstract]
Prepaid income taxes	$ 2,110	$ 90
Prepaid FDA user fee and advances to clinical research organization	762	3,022
Prepaid insurance	1,385	258
Advances to commercial manufacturers	4,947	5,464
Prepaid R&D	106	106
Pass-through receivables	1,144	1,001
All other	3,820	3,259
Total prepaid expenses and other current assets	$ 14,274	$ 13,200