Fair Value Measurements - Impaired Assets, Measured at Fair Value on a Nonrecurring Basis (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2020	Mar. 31, 2019
Investments in single-family residential properties, net held for use and held for sale impairment adjustments
Total impairments	$ (2,471)	$ (3,253)
Fair Value, Measurements, Nonrecurring \| Level 3 \| Rental Properties
Investments in single-family residential properties, net held for use and held for sale impairment adjustments
Pre-impairment amount	10,800	19,024
Total impairments	(2,471)	(3,223)
Fair value	8,329	15,801
Fair Value, Measurements, Nonrecurring \| Level 3 \| Rental Properties
Investments in single-family residential properties, net held for use and held for sale impairment adjustments
Pre-impairment amount	0	240
Total impairments	0	(30)
Fair value	$ 0	$ 210

Real Estate Additions, Investments In Single-Family Residential Properties, Gross

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- Definition

Real Estate Additions, Investments In Single-Family Residential Properties, Net Of Impairments

+ References

No definition available.

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- Definition

The charge against earnings in the period to reduce the carrying amount of real property to fair value.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3602-108585

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=109226691&loc=d3e2921-110230

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- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

+ References

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