XML 17 R1.htm IDEA: XBRL DOCUMENT v3.20.2
Document and Entity Information - shares
 6 Months Ended
Jun. 30, 2020
Aug. 06, 2020
Document Information [Line Items]    
Document Type 10-Q  
Amendment Flag false  
Document Period End Date Jun. 30, 2020  
Document Fiscal Year Focus 2020  
Document Fiscal Period Focus Q2  
Entity Registrant Name SHIFT4 PAYMENTS, INC.  
Entity Central Index Key 0001794669  
Entity Current Reporting Status No  
Entity Interactive Data Current Yes  
Current Fiscal Year End Date --12-31  
Entity Filer Category Non-accelerated Filer  
Entity Shell Company false  
Entity Small Business false  
Entity Emerging Growth Company true  
Entity Ex Transition Period false  
Entity File Number 001-39313  
Entity Incorporation, State or Country Code DE  
Entity Tax Identification Number 84-3676340  
Entity Address, Address Line One 2202 N. Irving Street  
Entity Address, City or Town Allentown  
Entity Address, State or Province PA  
Entity Address, Postal Zip Code 18109  
City Area Code 888  
Local Phone Number 276-2108  
Title of 12(b) Security Class A Common Stock, $0.0001 par value per share  
Trading Symbol FOUR  
Security Exchange Name NYSE  
Document Quarterly Report true  
Document Transition Report false  
Class A Common Stock    
Document Information [Line Items]    
Entity Common Stock, Shares Outstanding   18,693,653
Class B Common Stock    
Document Information [Line Items]    
Entity Common Stock, Shares Outstanding   39,204,989
Class C Common Stock    
Document Information [Line Items]    
Entity Common Stock, Shares Outstanding   20,139,163