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Schedue of fair value assets measured on recurring basis (Details) - USD ($)
Sep. 30, 2020
Dec. 31, 2019
Assets:    
Cash and marketable securities held in Trust Account $ 405,030,324 $ 404,362,721
Fair Value, Inputs, Level 1 [Member] | Fair Value, Measurements, Recurring [Member]    
Assets:    
Cash and marketable securities held in Trust Account $ 405,030,324 $ 404,362,721