XML 19 R1.htm IDEA: XBRL DOCUMENT v3.8.0.1
Document and Entity Information - USD ($)
$ in Billions
 12 Months Ended
Dec. 31, 2017
Feb. 21, 2018
Jun. 30, 2017
Document Information      
Entity Registrant Name American Homes 4 Rent    
Entity Central Index Key 0001562401    
Current Fiscal Year End Date --12-31    
Entity Current Reporting Status Yes    
Entity Filer Category Large Accelerated Filer    
Document Type 10-K    
Document Period End Date Dec. 31, 2017    
Document Fiscal Year Focus 2017    
Document Fiscal Period Focus FY    
Amendment Flag false    
Entity Well-known Seasoned Issuer Yes    
Entity Voluntary Filers No    
Entity Public Float     $ 5.1
Class A common shares/units      
Document Information      
Entity Common Stock, Shares Outstanding   286,124,380  
Class B common shares      
Document Information      
Entity Common Stock, Shares Outstanding   635,075  
American Homes 4 Rent, L.P.      
Document Information      
Entity Registrant Name American Homes 4 Rent, L.P.    
Entity Central Index Key 0001716558    
Current Fiscal Year End Date --12-31    
Entity Current Reporting Status No    
Entity Filer Category Non-accelerated Filer    
Document Type 10-K    
Document Period End Date Dec. 31, 2017    
Document Fiscal Year Focus 2017    
Document Fiscal Period Focus FY    
Amendment Flag false    
Entity Well-known Seasoned Issuer Yes    
Entity Voluntary Filers No