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Public Offering (Details) - USD ($)
3 Months Ended
Feb. 21, 2018
Mar. 31, 2018
Sep. 30, 2019
Description of Organization and Business Operations      
Units issued (in units)   $ 236,939,488  
Offer price (in dollars per unit)     $ 10.00
IPO      
Description of Organization and Business Operations      
Units issued (in units) $ 25,000,000    
Price per unit 10.00    
Offer price (in dollars per unit) $ 10.00    
Shares in single unit (in shares) 1    
Number of warrants comprised in each unit 0.33    
Common stock exercisable for each warrant 1    
Exercise price of warrants $ 11.50