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Fair Value of Financial Instruments - Fair Value, Net Derivative Liabilities (Details)
$ in Thousands
12 Months Ended
Dec. 31, 2021
USD ($)
Private warrants  
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward]  
December 31, 2020 $ 0
Additions 422
Changes in fair value (103)
December 31, 2021 319
Written put options  
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward]  
December 31, 2020 0
Additions 11,371
Changes in fair value 33,456
December 31, 2021 $ 44,827