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Document and Entity Information (USD $)
 12 Months Ended
Dec. 31, 2013
Mar. 24, 2014
Class A Common Shares [Member]
Mar. 24, 2014
Class B Common Shares [Member]
Mar. 24, 2014
Series A Preferred Shares [Member]
Mar. 24, 2014
Series B Preferred Shares [Member]
Document Information [Line Items]          
Document Type 10-K        
Amendment Flag false        
Document Period End Date Dec. 31, 2013        
Document Fiscal Year Focus 2013        
Document Fiscal Period Focus FY        
Trading Symbol AMH        
Entity Registrant Name American Homes 4 Rent        
Entity Central Index Key 0001562401        
Current Fiscal Year End Date --12-31        
Entity Well-known Seasoned Issuer No        
Entity Current Reporting Status Yes        
Entity Voluntary Filers No        
Entity Filer Category Non-accelerated Filer        
Entity Common Stock, Shares Outstanding   184,869,219 635,075 5,060,000 4,400,000
Entity Public Float $ 0