Quarterly report pursuant to Section 13 or 15(d)

FAIR VALUE MEASUREMENTS - Key inputs for Private Placement Warrants (Details)

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FAIR VALUE MEASUREMENTS - Key inputs for Private Placement Warrants (Details) - Private Placement Warrants [Member]
Jun. 30, 2021
USD ($)
$ / shares
D
Dec. 31, 2020
$ / shares
USD ($)
D
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Trading days per year | D 252 252
Risk-free interest rate    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Warrants measurement input | $ 0.94 0.51
Expected volatility    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Warrants measurement input | $ 16.0 15.8
Exercise price    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Warrants measurement input | $ / shares 11.50 11.50
Stock Price    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Warrants measurement input | $ / shares 9.87 10.08