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v3.22.1

SEGMENT INFORMATION - Net Operating Income of Company's Reportable Segments (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2022 | Mar. 31, 2021
Segment Reporting Information [Line Items] |  |
Total revenue | $ 127,505 | $ 120,769
Operating expenses | (47,918) | (46,674)
Net operating income | 79,587 | 74,095
Operating Segments | Philadelphia CBD |  |
Segment Reporting Information [Line Items] |  |
Total revenue | 53,471 | 51,227
Operating expenses | (19,743) | (17,411)
Net operating income | 33,728 | 33,816
Operating Segments | Pennsylvania Suburbs |  |
Segment Reporting Information [Line Items] |  |
Total revenue | 31,807 | 31,740
Operating expenses | (10,158) | (10,694)
Net operating income | 21,649 | 21,046
Operating Segments | Austin, Texas |  |
Segment Reporting Information [Line Items] |  |
Total revenue | 24,915 | 26,175
Operating expenses | (10,293) | (9,720)
Net operating income | 14,622 | 16,455
Operating Segments | Metropolitan Washington, D.C. |  |
Segment Reporting Information [Line Items] |  |
Total revenue | 5,195 | 4,675
Operating expenses | (3,428) | (4,199)
Net operating income | 1,767 | 476
Operating Segments | Other |  |
Segment Reporting Information [Line Items] |  |
Total revenue | 3,604 | 3,213
Operating expenses | (2,010) | (2,282)
Net operating income | 1,594 | 931
Corporate |  |
Segment Reporting Information [Line Items] |  |
Total revenue | 8,513 | 3,739
Operating expenses | (2,286) | (2,368)
Net operating income | $ 6,227 | $ 1,371

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