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FAIR VALUE MEASUREMENTS - Additional information (Details) - USD ($)
3 Months Ended 9 Months Ended
Dec. 15, 2020
Sep. 30, 2021
Dec. 31, 2020
Sep. 30, 2021
Forward price     $ 10.00 $ 10.00
Change in fair value of derivative liabilities   $ 8,493,810 $ 10,659,080 $ (11,248,950)
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Issuances     33,919,120  
Aggregate purchase price     11,080,000  
Cash received in private placement in excess of initial fair value     (664,800)  
Fair value assets level 1 to level 2 transfers     0  
Fair value assets level 2 to level 1 transfers     0  
Fair value assets transferred into (out of) level 3     0  
Private Placement.        
Cash received in private placement in excess of initial fair value     664,800  
Private Placement Warrants        
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Issuances     10,415,200  
Aggregate purchase price     11,080,000  
Private Placement Warrants | Private Placement.        
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Issuances     10,415,200  
Aggregate purchase price $ 11,080,000   $ 11,080,000