FAIR VALUE MEASUREMENTS - Fair value of warrant liabilities (Details) - Level 3 - USD ($)
7 Months Ended 12 Months Ended
Dec. 31, 2020
Dec. 31, 2021
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]    
Transfer to Level 1 from Level 3 $ 11,270,000 $ 0
Public Warrant    
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]    
Fair value, beginning 0  
Initial measurement on July 30, 2020 11,270,000  
Transfer from Level 3 to Level 1 (11,270,000)  
Private Placement Warrants    
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]    
Fair value, beginning 0 9,504,000
Initial measurement on July 30, 2020 6,732,000  
Change in fair value 2,772,000 (4,557,918)
Fair value, ending $ 9,504,000 $ 4,946,082