XML 30 R18.htm IDEA: XBRL DOCUMENT v3.20.1
Fair Value Measurements (Tables)
12 Months Ended
Dec. 31, 2019
Fair Value Disclosures [Abstract]  
Schedule of fair value hierarchy of the valuation techniques
Description  Fair Value   Quoted
Prices
in Active
Markets
(Level 1)
   Significant
Other
Observable
Inputs
(Level 2)
   Significant
Other
Unobservable
Inputs
(Level 3)
 
Investment held in Trust Account                
September 30, 2019  $563,024,953   $563,024,953   $   $ 
December 31, 2018  $555,695,763   $555,695,763   $   $