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

No definition available.

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Period Type:	duration

- Definition

The number of partners with redemption of interest during the period.

+ References

No definition available.

+ 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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Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

The cash outflow during the period for redemption of redeemable noncontrolling interests.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 15
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3291-108585

+ Details

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- Definition

The number of units or equivalent units outstanding for all classes.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 5
-Subparagraph (SAB TOPIC 4.F)
-URI http://asc.fasb.org/extlink&oid=120397183&loc=d3e187171-122770

+ Details

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Period Type:	instant

- 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) $ in Millions		9 Months Ended
	Oct. 04, 2022 USD ($) item	Sep. 30, 2022 shares	Sep. 30, 2021 shares
OP Units
Noncontrolling Interest [Line Items]
Conversion of common limited partnership units to common shares		493,596	829,107
Subsequent Event
Noncontrolling Interest [Line Items]
Number of partners who redeemed interest during period \| item	1
Payments for redemption of interest \| $	$ 9.5
JBG Smith, LP
Noncontrolling Interest [Line Items]
Ownership interest by parent		88.30%
JBG Smith, LP \| OP Units
Noncontrolling Interest [Line Items]
Units outstanding		15,100,000
Ownership interest by parent		11.70%
Consolidated Real Estate Venture
Noncontrolling Interest [Line Items]
Ownership interest by parent		96.00%
Consolidated Real Estate Venture \| Subsequent Event
Noncontrolling Interest [Line Items]
Ownership interest by parent	99.70%