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Fair Value Measurements (Tables)
8 Months Ended
Dec. 31, 2019
Fair Value Disclosures [Abstract]  
Schedule of company's assets that are measured at fair value on a recurring basis
December 31, 2019            
Description  Quoted Prices in Active Markets (Level 1)   Significant Other Observable Inputs
(Level 2)
   Significant Other Unobservable Inputs
(Level 3)
 
Marketable securities held in Trust Account  $316,398,889   $   $