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SHARE-BASED COMPENSATION (Details) - USD ($) $ / shares in Units, $ in Millions | 1 Months Ended | 3 Months Ended | 6 Months Ended |
--- | --- | --- | --- | ---
May 31, 2024 | Jun. 30, 2024 | Jun. 30, 2023 | Jun. 30, 2024 | Jun. 30, 2023 | Apr. 30, 2024
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Stock based compensation expense |  | $ 1.0 | $ 1.4 | $ 2.1 | $ 2.6 |
Restricted Share Awards |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Fair value of share awards vested |  |  |  | $ 0.9 | $ 4.0 |
Total unvested restricted share awards (in shares) |  | 436,834 |  | 436,834 |  |
Weighted average grant date fair value (in dollars per share) |  | $ 16.96 |  | $ 16.96 |  |
Compensation costs not yet recognized |  | $ 5.2 |  | $ 5.2 |  |
Recognition period for compensation expense |  |  |  | 24 months |  |
Washington Real Estate Investment Trust 2016 Omnibus Incentive Plan |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Aggregate number of shares additional authorized for stock based awards (in shares) | 2,900,000 |  |  |  |  |
Aggregate number of shares authorized for stock based awards (in shares) | 5,300,000 |  |  |  |  | 2,400,000
Incentive plan, period in effect (in years) | 10 years |  |  |  |  |

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