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FAIR VALUE MEASUREMENTS - Financial assets and liabilities (Details) - Recurring
Dec. 31, 2020
USD ($)
Assets:  
Investments held in Trust Account $ 414,020,525
Liabilities:  
Derivative liabilities 40,532,280
Level 1  
Assets:  
Investments held in Trust Account 414,020,525
Level 3  
Liabilities:  
Derivative liabilities $ 40,532,280