Annual report pursuant to Section 13 and 15(d)

Document and Entity Information

Document and Entity Information - USD ($)
12 Months Ended
Dec. 31, 2018
Feb. 15, 2019
Jun. 30, 2018
Document Document And Entity Information [Abstract]      
Entity Registrant Name RealPage, Inc.    
Entity Central Index Key 0001286225    
Current Fiscal Year End Date --12-31    
Entity Filer Category Large Accelerated Filer    
Entity Small Business false    
Entity Emerging Growth Company false    
Entity Shell Company false    
Document Type 10-K/A    
Document Period End Date Dec. 31, 2018    
Document Fiscal Year Focus 2018    
Document Fiscal Period Focus FY    
Amendment Flag true    
Amendment Description This Amendment No. 1 is filed solely to (i) amend and restate the Controls and Procedures disclosure included in Item 9A of the original Form 10-K filed February 27, 2019 to reflect a material weakness in internal controls over financial reporting, (ii) amend Ernst & Young LLP’s related opinion on management’s assessment of our internal control over financial reporting, and (iii) amend Ernst & Young LLP’s opinion on the consolidated financial statements solely to include a reference to Ernst & Young LLP’s updated report on internal control over financial reporting included in Item 8 of the Original Form 10-K.    
Entity Common Stock, Shares Outstanding   93,590,150  
Entity Well-known Seasoned Issuer Yes    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Public Float     $ 4,177,183,676