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Income Taxes - Summary of Provision For Income Taxes (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Current income tax provision (benefit):    
U.S. federal $ 0 $ 0
State 0 0
Total 0 0
Deferred income tax provision (benefit):    
U.S. federal (14,840) (7,671)
State (4,250) (1,954)
Total (19,090) (9,625)
Change in valuation allowance 19,090 9,625
Total provision (benefit) for income taxes $ 0 $ 0