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Real Estate Assets, Net - Components of Single-Family Properties (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Property Subject to or Available for Operating Lease
Single-family properties in operation, net	$ 8,955,100	$ 8,245,388
Development land	395,385	270,767
Single-family properties under development	337,875	239,598
Single-family properties held for sale, net	106,232	129,026
Total real estate assets, net	9,794,592	8,884,779
Single Family Homes
Property Subject to or Available for Operating Lease
Total real estate assets, net	9,794,592	8,884,779
Single Family Homes | Single-family properties recently acquired or developed
Property Subject to or Available for Operating Lease
Single-family properties in operation, net	360,595	66,857
Single Family Homes | Single-family properties in turnover process
Property Subject to or Available for Operating Lease
Single-family properties in operation, net	127,221	149,684
Single Family Homes | Occupied single-family properties
Property Subject to or Available for Operating Lease
Single-family properties in operation, net	8,369,911	7,957,513
Single Family Homes | Single-family properties leased, not yet occupied
Property Subject to or Available for Operating Lease
Single-family properties in operation, net	$ 97,373	$ 71,334

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Carrying amount as of the balance sheet date of investments in land and buildings held for sale, excluding real estate considered to be inventory of the entity.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03.1(f))
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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.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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-Name Accounting Standards Codification
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Amount of real estate investments, 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; (7) other real estate investments; (8) real estate joint ventures; and (9) unconsolidated real estate and other joint ventures not separately presented.

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