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Income Taxes - Reconciliation between Income Taxes (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Income Tax Disclosure [Abstract]      
Computed expected income tax benefit $ (60,120) $ (60,674) $ (20,135)
State income taxes - net of federal income tax benefit (10,197) (17,171) (2,450)
Change in valuation allowance 81,251 94,062 27,984
Non-deductible expenses 6,335 7,399 248
Series I warrant     7,767
Stock-based compensation 135 (30,523) (5,307)
Tax credits (federal and state) (16,863) (16,957) (9,039)
Foreign rate differential 35 35 (92)
Other (110) 71 31
Provision for (benefit from) income taxes $ 466 $ (23,758) $ (993)