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Single-Family Properties - Narrative (Details)
 3 Months Ended 6 Months Ended
Jun. 30, 2017
USD ($)
property
Jun. 30, 2016
USD ($)
property
Jun. 30, 2017
USD ($)
property
Jun. 30, 2016
USD ($)
property
Dec. 31, 2016
USD ($)
Property Subject to or Available for Operating Lease          
Proceeds from the sale of real estate properties and other     $ 54,232,000 $ 15,493,000  
Gain (loss) on sale of single-family properties and other, net $ 2,454,000 $ 658,000 4,480,000 892,000  
Single Family Homes          
Property Subject to or Available for Operating Lease          
Real estate investment properties unrecorded deed 30,000,000   30,000,000   $ 14,300,000
Depreciation expense $ 69,000,000 $ 66,200,000 $ 137,800,000 $ 127,000,000  
Number of real estate properties sold | property 127 68 631 134  
Proceeds from the sale of real estate properties and other $ 15,700,000 $ 7,900,000 $ 39,800,000 $ 15,500,000  
Gain (loss) on sale of single-family properties and other, net 2,200,000 $ 700,000 1,200,000 $ 900,000  
Note receivable 7,000,000   7,000,000    
Discount of note receivable $ 1,500,000   $ 1,500,000