CONTINGENT FORWARD CONTRACTS - Valuation Assumptions (Details) - year	Apr. 30, 2021	Feb. 28, 2021
Stock Price
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Contingent forward contract liability, measurement input	13.79	13.79
Volatility
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Contingent forward contract liability, measurement input	1.0000	1.0000
Expected term (in years)
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Contingent forward contract liability, measurement input	0.11	0.01
Risk-free rate
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Contingent forward contract liability, measurement input	0.0003	0.0003