Quarterly report pursuant to Section 13 or 15(d)

Related Party Transactions - Additional Information (Detail)

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Related Party Transactions - Additional Information (Detail)
 1 Months Ended 3 Months Ended 4 Months Ended 9 Months Ended
Nov. 05, 2019
USD ($)
Oct. 31, 2019
shares
Apr. 30, 2019
shares
Jun. 30, 2018
USD ($)
shares
Sep. 30, 2018
shares
Sep. 30, 2018
USD ($)
shares
Sep. 30, 2019
USD ($)
$ / shares
shares
Dec. 31, 2018
USD ($)
shares
Proceeds from issuance of common stock | $           $ 25,000 $ 0  
Proceeds from promissory notes to related party | $           $ 0 87,600  
Unsecured promissory note to related party, outstanding | $             187,600 $ 100,000
Warrant                
Working capital loan | $             $ 1,500,000  
Exercise price of warrants | $ / shares             $ 1.00  
Sponsor                
Percentage of shares held             20.00%  
Sponsor | Promissory Note                
Proceeds from promissory notes to related party | $             $ 300,000  
Unsecured promissory note to related party, outstanding | $             $ 187,600  
Repayment of promissory notes             The Promissory Note was non-interest bearing and payable on the earlier of December 31, 2019 or the completion of the Initial Public Offering.  
Sponsor | Promissory Note | Subsequent Event                
Repayment of promissory notes to related party | $ $ 224,992              
Sponsor | Office Space Utilities And Secretarial And Administrative Support                
Payment to sponsor | $             $ 10,000  
Class B Common Stock                
Sale of common stock, Shares [1]         9,487,500      
Common stock, shares outstanding             7,906,250 9,487,500
Common stock, subject to forfeiture             1,031,250 1,237,500
Common stock dividends, shares             1.1  
Class B Common Stock | Over-Allotment Option                
Common stock, Not subject to forfeiture             1,031,250  
Class B Common Stock | Sponsor                
Sale of common stock, Shares       125,000        
Proceeds from issuance of common stock | $       $ 25,000        
Stock split conversion ratio           6,900    
Common stock, shares outstanding     7,187,500   8,625,000 8,625,000 7,906,250 9,487,500
Common stock, subject to forfeiture   1,031,250 937,500   1,125,000 1,125,000   1,237,500
Common stock, retired     1,581,250          
Common stock dividends, shares   1.1            
Percentage of shares held   20.00%            
Share price per share | $ / shares             $ 12.00  
[1] Included 1,237,500 shares subject to forfeiture if the underwriters’ over-allotment option was not exercised in full or in part (see Notes 5 and 7).