Quarterly report pursuant to Section 13 or 15(d)

FAIR VALUE MEASUREMENTS - Schedule of fair value of warrant liabilities (Details)

v3.21.2
FAIR VALUE MEASUREMENTS - Schedule of fair value of warrant liabilities (Details) - USD ($)
3 Months Ended
Sep. 30, 2021
Jun. 30, 2021
Mar. 31, 2021
New Warrants      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Fair value at beginning $ 11,246,750 $ 8,517,250 $ 13,365,500
Change in fair value (1,070,750) 2,729,500 (4,848,250)
Fair value at ending 10,176,000 11,246,750 8,517,250
Private Placement Warrants [Member]      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Fair value at beginning 321,750 237,250 370,500
Change in fair value (35,750) 84,500 (133,250)
Fair value at ending 286,000 321,750 237,250
Public Warrants [Member]      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Fair value at beginning 10,925,000 8,280,000 12,995,000
Change in fair value (1,035,000) 2,645,000 (4,715,000)
Fair value at ending $ 9,890,000 $ 10,925,000 $ 8,280,000