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Redeemable Noncontrolling Interests - Narrative (Details) - shares | 1 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Feb. 28, 2023 | Sep. 30, 2024 | Sep. 30, 2023 | Dec. 31, 2022
OP Units |  |  |  |
Redeemable Noncontrolling Interests |  |  |  |
Redemption of common limited partnership units to common shares |  | 827,012 | 2,100,000 |
JBG Smith, LP |  |  |  |
Redeemable Noncontrolling Interests |  |  |  |
Ownership interest by parent |  | 85.80% |  |
JBG Smith, LP | OP Units |  |  |  |
Redeemable Noncontrolling Interests |  |  |  |
Units outstanding |  | 13,900,000 |  |
Ownership interest by parent |  | 14.20% |  |
Consolidated Real Estate Venture |  |  |  |
Redeemable Noncontrolling Interests |  |  |  |
Ownership interest by parent |  | 100.00% |  | 99.70%
Interest redeemed | 0.30% |  |  |

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- Definition The percentage of entity's interest in net assets of the subsidiary redeemed expressed as a percentage + References No definition available. + 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 -Topic 505 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 5 -Subparagraph (SAB Topic 4.F) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480008/505-10-S99-5 + Details
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