Registration of securities issued in business combination transactions

FAIR VALUE MEASUREMENTS - Subsequent measurement (Details)

v3.21.1
FAIR VALUE MEASUREMENTS - Subsequent measurement (Details) - USD ($)
3 Months Ended 6 Months Ended
Mar. 31, 2021
Dec. 31, 2020
Dec. 31, 2020
Sep. 25, 2020
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]        
Fair value as of beginning period $ 13,272,784      
Change in valuation inputs or other assumptions 4,507,737   $ (406,549)  
Fair value as of Ending period 17,780,521 $ 13,272,784 13,272,784  
Warrant liability 17,780,521 13,272,784 13,272,784  
Transfers out of Level 3   39,445,000    
Private Placement Warrants        
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]        
Fair value as of beginning period 4,801,747      
Change in valuation inputs or other assumptions 1,630,782   (207,586)  
Fair value as of Ending period 6,432,529 4,801,747 4,801,747  
Warrant liability   4,800,000 4,800,000 $ 5,000,000
Public Warrants        
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]        
Fair value as of beginning period 8,471,037      
Change in valuation inputs or other assumptions 2,876,955   (198,963)  
Fair value as of Ending period $ 11,347,992 8,471,037 8,471,037  
Warrant liability   $ 8,500,000 $ 8,500,000 $ 8,700,000