Subsequent Events (Details) - Subsequent Event [Member] $ in Thousands	1 Months Ended
Jan. 31, 2021 USD ($) home
Eaves Stamford [Member]
Subsequent Event [Line Items]
Number Of Apartment Homes Sold \| home	238
Gross sales price	$ 72,000
Notes Payable Maturities 2021 [Member]
Subsequent Event [Line Items]
Stated interest rate (as a percent)	5.37%
Avalon San Bruno II [Member] \| Secured notes \| Notes Payable Maturities 2021 [Member]
Subsequent Event [Line Items]
Repayments of secured debt	$ 27,795

Number of Apartment Homes Sold

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- Definition

Represents the gross sales price of real estate assets sold.

+ References

No definition available.

+ Details

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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22(a)(1))
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

+ Details

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- Definition

The cash outflow to repay long-term debt that is wholly or partially secured by collateral. Excludes repayments of tax exempt secured debt.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 15
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3291-108585

+ Details

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- Definition

Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

+ References

No definition available.

+ Details

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- Details

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Period Type:

- Details

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- Details

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- Details

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