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Offering - Additional Information (Details) - $ / shares
Jun. 13, 2019
Jun. 10, 2019
Sep. 30, 2020
Dec. 31, 2019
Class Of Stock [Line Items]        
Units sold in offering   15,000,000    
Sale of stock price per unit   $ 10.00 $ 10.00  
Number of shares of common stock per unit   1    
Common stock, par value   $ 0.0001 0.0001 $ 0.0001
Second Closing of Offering        
Class Of Stock [Line Items]        
Units sold in offering 2,250,000      
Sale of stock price per unit $ 10.00      
Warrants        
Class Of Stock [Line Items]        
Exercise price of warrants   $ 11.50 $ 11.50  
Rights | Warrants        
Class Of Stock [Line Items]        
Number of shares of common stock each   0.20