Common Shares Issued During Period in Connection with Redemption of OP Units

No definition available.

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- Definition

Noncontrolling Interest, Capital Contribution Threshold, Ownership Percentage by Parent

+ References

No definition available.

+ Details

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- Definition

Redeemable Noncontrolling Interest, Redemption Period

+ References

No definition available.

+ Details

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- Definition

Number of shares of equity interests issued or issuable to acquire entity.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (b)(4)
-URI http://asc.fasb.org/extlink&oid=35744584&loc=d3e6927-128479

+ Details

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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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- Definition

The parent entity's interest in net assets of the subsidiary, expressed as a percentage.

+ References

No definition available.

+ Details

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- Details

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- Details

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- Details

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- Details

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Redeemable Noncontrolling Interests - Narrative (Details) - shares	2 Months Ended	12 Months Ended
	Feb. 20, 2020	Dec. 31, 2019	Dec. 31, 2018
Noncontrolling Interest [Line Items]
Conversion of common limited partnership units to common shares			2,962,000
Consolidated Real Estate Venture
Noncontrolling Interest [Line Items]
Ownership interest by parent		95.00%
Ownership interest by parent, threshold for capital contributions to cease		97.00%
OP Units [Member]
Noncontrolling Interest [Line Items]
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares		15,200,000
Conversion of common limited partnership units to common shares		1,700,000	3,000,000.0
OP Units [Member] \| JBG Smith, LP
Noncontrolling Interest [Line Items]
Ownership interest by parent		10.10%
Minimum
Noncontrolling Interest [Line Items]
Redemption period		2 years
Maximum
Noncontrolling Interest [Line Items]
Redemption period		7 years
Subsequent Event [Member] \| OP Units [Member]
Noncontrolling Interest [Line Items]
Conversion of common limited partnership units to common shares	733,851