Balance Sheet Accounts and Supplemental Disclosures - Schedule of Accrued Expenses (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Balance Sheets Accounts And Supplemental Disclosures [Abstract]
Accrued compensation and benefits	$ 6,114	$ 11,916
Operating lease liabilities	2,761	2,902
Accrued consulting fees	956	956
Accrued interest	3,566	1,066
Accrued legal fees	320	202
Accrued litigation liability	2,375	2,375
Accrued accounting fees	232	154
Accrued other	694	839
Total accrued expenses	$ 17,018	$ 20,410