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Single-Family Properties - Components of Single-Family Properties (Details) $ in Thousands	Mar. 31, 2018 USD ($) single_family_property property	Dec. 31, 2017 USD ($) single_family_property
Property Subject to or Available for Operating Lease
Net book value	$ 8,169,080	$ 8,064,980
Single-family properties identified for future sale
Property Subject to or Available for Operating Lease
Number of properties | property	574
Single Family Homes
Property Subject to or Available for Operating Lease
Number of properties | single_family_property	51,840	51,239
Net book value	$ 8,169,080	$ 8,064,980
Single Family Homes | Single-family properties being renovated
Property Subject to or Available for Operating Lease
Number of properties | single_family_property	503	980
Net book value	$ 124,233	$ 225,194
Single Family Homes | Single-family properties being prepared for re-lease
Property Subject to or Available for Operating Lease
Number of properties | single_family_property	289	372
Net book value	$ 37,630	$ 47,994
Single Family Homes | Single-family properties held for sale, net
Property Subject to or Available for Operating Lease
Number of properties | single_family_property	1,318	310
Net book value	$ 201,693	$ 35,803
Single Family Homes | Single-family properties identified for future sale
Property Subject to or Available for Operating Lease
Number of properties | single_family_property	574
Net book value	$ 88,002
Single Family Homes | Leased single-family properties
Property Subject to or Available for Operating Lease
Number of properties | single_family_property	47,677	46,996
Net book value	$ 7,455,093	$ 7,284,708
Single Family Homes | Vacant single-family properties available for lease
Property Subject to or Available for Operating Lease
Number of properties | single_family_property	1,479	2,581
Net book value	$ 262,429	$ 471,281

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The number of real estate properties owned as of the balance sheet date.

+ References

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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

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