Quarterly report pursuant to Section 13 or 15(d)

Description of Organization and Business Operations - Additional Information (Detail)

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Description of Organization and Business Operations - Additional Information (Detail) - USD ($)
 4 Months Ended 9 Months Ended
Nov. 11, 2019
Nov. 05, 2019
Sep. 30, 2018
Sep. 30, 2019
Dec. 31, 2018
Jun. 14, 2018
Organization consolidation and presentation of financial statements [Line Items]            
Revenues       $ 0    
Transaction costs     $ 17,500 91,740    
Deferred underwriting fees       435,983 $ 172,277  
Cash     $ 7,500 $ 35,405 $ 42,061 $ 0
Minimum percentage of fair market value of business acquisition to trust account balance       80.00%    
Business acquisition, percentage of minimum ownership to be acquired       50.00%    
Decommissioning trust assets description       The Sponsor and the Company’s officers and directors have agreed (a) to waive their redemption rights with respect to their Founder Shares and Public Shares held by them in connection with the completion of a Business Combination and (b) not to propose an amendment to the Company’s Amended and Restated Certificate of Incorporation (a) that would modify the substance or timing of the Company’s obligation to allow redemption in connection with a Business Combination or to redeem 100% of its Public Shares if the Company does not complete a Business Combination or (b) with respect to any other provision relating to stockholders’ rights or pre-initial Business Combination activity, unless the Company provides the public stockholders with the opportunity to redeem their Public Shares in conjunction with any such amendment.    
Public shares redemption percentage       100.00%    
Public shares redemption percentage threshold       15.00%    
Maximum            
Organization consolidation and presentation of financial statements [Line Items]            
Net tangible assets       $ 5,000,001    
Net interest to pay dissolution expenses       $ 100,000    
Underwriters            
Organization consolidation and presentation of financial statements [Line Items]            
Transaction costs   $ 6,325,000        
IPO            
Organization consolidation and presentation of financial statements [Line Items]            
Transaction costs   18,047,876        
Deferred underwriting fees   11,068,750        
Other offering costs   654,126        
Cash   $ 1,126,709        
Subsequent Event | Underwriters            
Organization consolidation and presentation of financial statements [Line Items]            
Number of shares issued 4,125,000          
Shares issued, price per share $ 10.00          
Number of warrants issued 825,000          
Warrants issued, price per warrant $ 1.00          
Proceeds from Issuance or Sale of Equity $ 42,075,000          
Common stock held in trust 41,250,000          
Assets held in trust $ 316,250,000          
Subsequent Event | IPO            
Organization consolidation and presentation of financial statements [Line Items]            
Number of shares issued   27,500,000        
Shares issued, price per share   $ 10.00        
Number of shares issued, value   $ 275,000,000        
Subsequent Event | Private Placement Warrants            
Organization consolidation and presentation of financial statements [Line Items]            
Number of warrants issued   7,500,000        
Warrants issued, price per warrant   $ 1.00        
Gross proceeds from issuance of warrants   $ 7,500,000