Equity Method Investment, Number of Properties Contributed

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- Definition

Equity Method Investment, Ownership Percent Divested

+ References

No definition available.

+ Details

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- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 323
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=66011266&loc=d3e33918-111571

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- Definition

Amount of gain (loss) on sale or disposal of assets, including but not limited to property plant and equipment, intangible assets and equity in securities of subsidiaries or equity method investee.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 45
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=68055307&loc=d3e2443-110228

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- Definition

The cash outflow from the acquisition of a piece of land, anything permanently fixed to it, including buildings, structures on it and so forth; includes real estate intended to generate income for the owner; excludes real estate acquired for use by the owner.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 13
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3213-108585

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- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 12
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3179-108585

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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Real Estate - Joint Venture Arrangement with Blackstone Real Estate Income Trust, Inc. (Details)				12 Months Ended			17 Months Ended	37 Months Ended
	Jan. 31, 2018 apartment_community	Nov. 15, 2017 USD ($) apartment_community	Nov. 10, 2017 apartment_community	Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)	Dec. 31, 2016 USD ($)	Jul. 03, 2013 USD ($)	May 16, 2014 USD ($)
Schedule of Equity Method Investments [Line Items]
Payments to acquire real estate				$ 9,564,647	$ 16,401,961	$ 28,268,601
Joint Venture Arrangement with Blackstone Real Estate Income Trust, Inc. [Member]
Schedule of Equity Method Investments [Line Items]
Gain on sale		$ 38,523,427
First Closing Properties [Member] \| Joint Venture Arrangement with Blackstone Real Estate Income Trust, Inc. [Member]
Schedule of Equity Method Investments [Line Items]
Payments to acquire real estate								$ 318,576,792
Proceeds from sale		335,430,000
Gain on sale		76,135,530
Second Closing Properties [Member] \| Joint Venture Arrangement with Blackstone Real Estate Income Trust, Inc. [Member]
Schedule of Equity Method Investments [Line Items]
Payments to acquire real estate							$ 117,240,032
Ownership percent sold	90.00%
Proceeds from sale		$ 125,370,000
SIR Land Holdings, LLC [Member] \| Joint Venture Arrangement with Blackstone Real Estate Income Trust, Inc. [Member]
Schedule of Equity Method Investments [Line Items]
Number of properties contributed \| apartment_community	8	12	20
Ownership percentage			10.00%
BREIT LP [Member] \| Joint Venture Arrangement with Blackstone Real Estate Income Trust, Inc. [Member]
Schedule of Equity Method Investments [Line Items]
Ownership percentage			90.00%