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FAIR VALUE MEASUREMENTS - Private placement warrants (Details) - Level 3
Mar. 31, 2021
USD ($)
Dec. 31, 2020
USD ($)
Exercise price    
Derivative Liability, Measurement Input 11.50 11.50
IPO Price    
Derivative Liability, Measurement Input 10.00 10.00
Implied Stock Price Range    
Derivative Liability, Measurement Input 10.12 10.12
Volatility    
Derivative Liability, Measurement Input 17 21
Term    
Derivative Liability, Measurement Input 5.25 5.70
Risk-Free Rate    
Derivative Liability, Measurement Input 0.98 0.46
Dividend Yield    
Derivative Liability, Measurement Input 0.0 0.0