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Single-Family Properties - Components of Single-Family Properties (Details) $ in Thousands | Sep. 30, 2016 USD ($) single_family_property | Dec. 31, 2015 USD ($) single_family_property
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Property Subject to or Available for Operating Lease |  |
Number of properties | single_family_property | 48,153 | 38,780
Net book value | $ | $ 7,545,398 | $ 6,289,938
Single Family Homes | Properties being renovated |  |
Property Subject to or Available for Operating Lease |  |
Number of properties | single_family_property | 406 | 476
Net book value | $ | $ 77,451 | $ 75,055
Single Family Homes | Properties being prepared for re-lease |  |
Property Subject to or Available for Operating Lease |  |
Number of properties | single_family_property | 90 | 178
Net book value | $ | $ 15,333 | $ 28,525
Single Family Homes | Properties held for sale |  |
Property Subject to or Available for Operating Lease |  |
Number of properties | single_family_property | 1,238 | 45
Net book value | $ | $ 105,308 | $ 7,432
Leased | Single Family Homes |  |
Property Subject to or Available for Operating Lease |  |
Number of properties | single_family_property | 44,746 | 36,403
Net book value | $ | $ 7,072,461 | $ 5,895,482
Vacant | Single Family Homes |  |
Property Subject to or Available for Operating Lease |  |
Number of properties | single_family_property | 1,673 | 1,678
Net book value | $ | $ 274,845 | $ 283,444

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- Definition Amount of real estate investment property, net of accumulated depreciation, which may include the following: (1) land available-for-sale; (2) land available-for-development; (3) investments in building and building improvements; (4) tenant allowances; (5) developments in-process; (6) rental properties; and (7) other real estate investments. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.1(d)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 + Details
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