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FAIR VALUE MEASUREMENTS (Details) - USD ($)
5 Months Ended 12 Months Ended
Dec. 31, 2019
Dec. 31, 2020
Dec. 31, 2020
Dec. 31, 2019
Jun. 06, 2019
Liabilities [Abstract]          
Warrant liability $ 13,260,000 $ 13,260,000 $ 63,680,000 $ 13,260,000 $ 0
Changes in Fair Value of Warrant Liabilities [Roll Forward]          
Fair value 17,905,000 13,260,000      
Change in valuation inputs or other assumptions (4,645,000) 50,420,000      
Fair value 13,260,000 63,680,000      
Transfers into Level 3   0      
Transfers out of Level 3   0      
Private Placement Warrants [Member]          
Liabilities [Abstract]          
Warrant liability 8,260,000 8,260,000 22,680,000 8,260,000 0
Changes in Fair Value of Warrant Liabilities [Roll Forward]          
Fair value 7,280,000 8,260,000      
Change in valuation inputs or other assumptions 980,000 14,420,000      
Fair value 8,260,000 22,680,000      
Public Warrants [Member]          
Liabilities [Abstract]          
Warrant liability 5,000,000 41,000,000 41,000,000 5,000,000 $ 0
Changes in Fair Value of Warrant Liabilities [Roll Forward]          
Fair value 10,625,000 5,000,000      
Change in valuation inputs or other assumptions (5,625,000) 36,000,000      
Fair value 5,000,000 41,000,000      
Recurring [Member] | Level 1 [Member]          
Assets [Abstract]          
Marketable securities held in Trust Account     254,187,706 251,924,993  
Recurring [Member] | Level 1 [Member] | Public Warrants [Member]          
Liabilities [Abstract]          
Warrant liability 5,000,000 5,000,000 41,000,000 5,000,000  
Changes in Fair Value of Warrant Liabilities [Roll Forward]          
Fair value   5,000,000      
Fair value 5,000,000 41,000,000      
Recurring [Member] | Level 3 [Member] | Private Placement Warrants [Member]          
Liabilities [Abstract]          
Warrant liability 8,260,000 8,260,000 $ 22,680,000 $ 8,260,000  
Changes in Fair Value of Warrant Liabilities [Roll Forward]          
Fair value   8,260,000      
Fair value $ 8,260,000 $ 22,680,000