FAIR VALUE MEASUREMENTS - Schedule of fair value hierarchy for liabilities measured at fair value on a recurring basis (Details)	Mar. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Warrant liabilities	$ 80,472,666	$ 127,388,332
FPA liability	$ 19,971,312	54,277,110
Private Placement Warrants
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Probability for consummation of business combination	95.00%
Level 3 | Private Placement Warrants | Discount for lack of marketability
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative Liability, Measurement Input	11.0
Fair Value, Recurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Warrant liabilities	$ 80,472,666	127,388,332
FPA liability	19,971,312	54,277,110
Fair Value, Recurring | Public Warrants
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Warrant liabilities	55,200,000	87,285,000
Fair Value, Recurring | Private Placement Warrants
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Warrant liabilities	25,272,666	40,103,332
Fair Value, Recurring | Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Warrant liabilities	55,200,000	87,285,000
Fair Value, Recurring | Level 1 | Public Warrants
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Warrant liabilities	55,200,000	87,285,000
Fair Value, Recurring | Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Warrant liabilities	25,272,666	40,103,332
FPA liability	19,971,312	54,277,110
Fair Value, Recurring | Level 3 | Private Placement Warrants
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Warrant liabilities	$ 25,272,666	$ 40,103,332