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Real Estate Assets, Net - Single-Family Properties and Land (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2020 USD ($) property	Dec. 31, 2019 USD ($) property	Dec. 31, 2018 USD ($) property
Land:
Financing receivable, before allowance for credit loss, noncurrent		$ 30,700
Premiums and other receivables		$ 1,200
Single Family Homes
Single-family properties:
Properties sold | property	1,047	1,330	691
Net proceeds	$ 228,495	$ 248,199	$ 105,394
Gain (Loss) On Properties Sold, Excluding Joint Venture Properties	47,187	43,507	16,313
Land:
Net proceeds	71	3,205	763
Net gain on sale	$ 7	$ 366	$ 220

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Gain (Loss) On Properties Sold, Excluding Joint Venture Properties

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Gain (Loss) On Properties Sold, Land

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Number Of Real Estate Properties Sold

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Single-family Properties Held for Sale and Discontinued Operations [Abstract]

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The valuation allowance as of the balance sheet date to reduce the gross amount of receivables to estimated net realizable value, which would be presented in parentheses on the face of the balance sheet.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 4
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Amount, before allowance for credit loss, of financing receivable, classified as noncurrent.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 45
-Paragraph 2
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The cash inflow from the sale of land held for investment; excludes sales of land held as inventory or productive use.

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-Publisher FASB
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Cash received for the sale of real estate that is not part of an investing activity during the current period.

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