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Fair Value Measurements - Schedule of Changes in Fair Value of Derivative Liabilities (Details) - USD ($)
$ in Thousands
9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Beginning balance $ 597,578 $ 119,307
Incremental Class B Units 206,914 13,398
Establishment of derivative warrant liabilities on July 21, 2021 (date of the Transactions) 45,021  
Reclassification of Class B Units from liability to equity on July 21, 2021 (date of the Transactions) (1,528,228)  
Ending balance 37,821 248,445
Other    
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Change in fair value (11,543) 1,874
Class B Units    
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Change in fair value $ 728,079 $ 113,866