BENEFICIARIES' EQUITY OF THE PARENT COMPANY - Schedule of Earnings Per Share, Basic and Diluted (Details) - USD ($) $ / shares in Units, $ in Thousands |
3 Months Ended | 9 Months Ended | ||||||
|---|---|---|---|---|---|---|---|---|
Sep. 30, 2026 |
Jun. 30, 2026 |
Mar. 31, 2026 |
Sep. 30, 2025 |
Jun. 30, 2025 |
Mar. 31, 2025 |
Sep. 30, 2026 |
Sep. 30, 2025 |
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| Numerator | ||||||||
| Net loss | $ (22,142) | $ (31,535) | $ (48,804) | $ (25,998) | $ (88,936) | $ (27,056) | $ (102,481) | $ (141,990) |
| Net loss attributable to noncontrolling interests | 108 | 79 | 446 | 427 | ||||
| Net loss attributable to noncontrolling interests | 108 | 79 | 446 | 427 | ||||
| Nonforfeitable dividends allocated to unvested restricted shareholders | (228) | (313) | (794) | (1,064) | ||||
| Nonforfeitable dividends allocated to unvested restricted shareholders | (228) | (313) | (794) | (1,064) | ||||
| Net loss attributable to Common Shareholders of Brandywine Realty Trust | (22,262) | (26,232) | (102,829) | (142,627) | ||||
| Net loss attributable to common unitholders, diluted | $ (22,262) | $ (26,232) | $ (102,829) | $ (142,627) | ||||
| Denominator | ||||||||
| Total weighted-average units outstanding, basic (in shares) | 172,010,229 | 173,699,312 | 173,377,458 | 173,385,330 | ||||
| Total weighted-average units outstanding, diluted (in shares) | 172,010,229 | 173,699,312 | 173,377,458 | 173,385,330 | ||||
| Loss per Common Share: | ||||||||
| Net loss attributable to common shareholders, basic (in dollars per share) | $ (0.13) | $ (0.15) | $ (0.59) | $ (0.82) | ||||
| Net loss attributable to common shareholders, diluted (in dollars per share) | $ (0.13) | $ (0.15) | $ (0.59) | $ (0.82) | ||||
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- Definition Net income loss attributable to noncontrolling interest diluted. No definition available.
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- References No definition available.
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- Definition The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- References No definition available.
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- Definition Amount of Net Income (Loss) attributable to noncontrolling interest. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount, after deduction of tax, noncontrolling interests, dividends on preferred stock and participating securities; of income (loss) available to common shareholders. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount, after deduction of tax, noncontrolling interests, dividends on preferred stock and participating securities, and addition from assumption of issuance of common shares for dilutive potential common shares; of income (loss) available to common shareholders. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of undistributed earnings (loss) allocated to participating securities for the basic earnings (loss) per share or per unit calculation under the two-class method. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of undistributed earnings (loss) allocated to participating securities for the diluted earnings (loss) per share or per unit calculation under the two-class method. Reference 1: http://www.xbrl.org/2003/role/recommendedDisclosureRef
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- Definition The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- References No definition available.
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- Definition Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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