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v3.21.1

Subsequent Events (Details) $ / shares in Units, $ in Thousands |  | 1 Months Ended |  |
--- | --- | --- | --- | ---
Apr. 29, 2021 $ / shares | Apr. 30, 2021 USD ($) ft² item | Mar. 31, 2021 USD ($) | Dec. 31, 2020 USD ($)
Subsequent Event [Line Items] |  |  |  |
Investments in unconsolidated real estate ventures | $ |  |  | $ 455,476 | $ 461,369
Subsequent Event |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Dividends cash declared | $ / shares | $ 0.225 |  |  |
Subsequent Event | Unconsolidated Real Estate Ventures | Potomac Yard Mixed Use Development |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Number of real estate ventures | item |  | 2 |  |
Ownership interest (as percent) |  | 50.00% |  |
Area of real estate property | ft² |  | 2,000,000.0 |  |
Real estate venture promote interest expected to be paid | $ |  | $ 17,500 |  |
Subsequent Event | Unconsolidated Real Estate Ventures | Potomac Yard Mixed Use Development | Non-employee Trustees and Certain Executives |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Real estate venture promote interest expected to be paid | $ |  | $ 4,300 |  |
Subsequent Event | Unconsolidated Real Estate Ventures | Potomac Yard Landbay G |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Area of real estate property | ft² |  | 700,000 |  |
Subsequent Event | Venture Partner | Unconsolidated Real Estate Ventures | Potomac Yard Landbay F |  |  |  |
Subsequent Event [Line Items] |  |  |  |
Area of real estate property | ft² |  | 1,300,000 |  |

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- Definition Number of real estate ventures. + References No definition available. + Details
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- Definition Amount of real estate venture promote interest to be paid to certain individuals. + References No definition available. + Details
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- Definition Area of a real estate property. + References No definition available. + Details
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- Definition Aggregate dividends declared during the period for each share of common stock outstanding. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=120397183&loc=d3e187085-122770 + 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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=114001798&loc=d3e33918-111571 + Details
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- Definition The carrying amount of investments in unconsolidated real estate and other joint ventures not separately presented. This includes direct and indirect investments. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.1(d)) -URI http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910 + 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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