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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES -Correction of errors in Statements of Operations (Details) - USD ($)
 4 Months Ended 12 Months Ended
Dec. 31, 2020
Dec. 31, 2020
Statements of Operations    
Change in value of derivative warrant liabilities $ 12,110,000  
Offering costs allocated to derivative warrant liabilities 749,253  
Net loss $ (12,971,424) $ (12,971,424)
Class A Common Stock    
Per Share Data:    
Basic and diluted net income (loss) per ordinary share $ 0.00  
Class B Common Stock    
Per Share Data:    
Basic and diluted net income (loss) per ordinary share $ (2.50)  
As Reported    
Statements of Operations    
Net loss $ (112,171)  
As Reported | Class B Common Stock    
Per Share Data:    
Basic and diluted net income (loss) per ordinary share $ (0.02)  
As Restated    
Statements of Operations    
Change in value of derivative warrant liabilities $ (12,110,000)  
Offering costs allocated to derivative warrant liabilities (749,253)  
Net loss $ (12,971,424)  
As Restated | Class B Common Stock    
Per Share Data:    
Basic and diluted net income (loss) per ordinary share $ (2.50)  
Difference    
Statements of Operations    
Change in value of derivative warrant liabilities $ (12,110,000)  
Offering costs allocated to derivative warrant liabilities (749,253)  
Net loss $ (12,859,253)  
Difference | Class B Common Stock    
Per Share Data:    
Basic and diluted net income (loss) per ordinary share $ (2.48)