v3.21.2
FAIR VALUE MEASUREMENTS - Summary of the changes in the fair value of the FPA liability (Details) - FPA liability - USD ($)
1 Months Ended 3 Months Ended
Jun. 30, 2020
Jun. 30, 2021
Mar. 31, 2021
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]      
Fair value, beginning balance   $ 19,971,312 $ 54,277,110
Gain on change in fair value (1) [1] $ 18,909,921 (4,970,490) (34,305,798)
Fair value, ending balance $ 18,909,921 $ 15,000,822 $ 19,971,312
[1] Represents the non-cash (gain) loss on the change in valuation of the liability for the FPAs and is included in Change in fair value of forward purchase liability on the unaudited condensed consolidated statement of operations