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REAL ESTATE INVESTMENTS - Textual (Details) $ in Thousands | Apr. 14, 2022 USD ($) | Mar. 31, 2022 USD ($) ft² a parcel | Dec. 31, 2021 USD ($) | Dec. 01, 2021 USD ($) ft² property apartment
--- | --- | --- | --- | ---
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |
Investment in real estate ventures |  | $ 434,555 | $ 411,110 |
Rentable area (in square feet) | ft² |  | 13,678,136 |  |
Principal balance outstanding |  | $ 1,984,610 |  |
Assets held for sale, net |  | 25,205 | $ 562 |
Held-for-sale | Other - Land |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |
Assets held for sale, net |  | $ 25,200 |  |
Held-for-sale | Other - Land | Metropolitan Washington, D.C. Segment |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |
Number of parcels of land | parcel |  | 1 |  |
Area of land (in acres) | a |  | 0.8 |  |
Held-for-sale | Other - Land | Metropolitan Washington, D.C. Segment | Subsequent Event |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |
Proceeds from sale of land | $ 29,700 |  |  |
One Uptown Venture |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |
Investment in real estate ventures |  |  |  | $ 328,400
Number of apartment residence | apartment |  |  |  | 341
Joint venture, funding committed by other party |  |  |  | $ 57,500
Construction loan, percentage of total cost |  |  |  | 65.00%
One Uptown Venture | Construction Loans |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |
Principal balance outstanding |  |  |  | $ 213,400
One Uptown Venture | Preferred Stock |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |
Equity method investment, ownership percentage |  |  |  | 50.00%
One Uptown Venture | Common Stock |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |
Equity method investment, ownership percentage |  |  |  | 50.00%
One Uptown Venture | Class A Workspace |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |
Rentable area (in square feet) | ft² |  |  |  | 348,000
One Uptown Venture | Street Level Retail |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |
Rentable area (in square feet) | ft² |  |  |  | 15,000
Canyon Partners Real Estate | One Uptown Venture |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |
Number of joint ventures | property |  |  |  | 2

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