CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	3 Months Ended				6 Months Ended
	Jun. 30, 2025	Mar. 31, 2025	Jun. 30, 2024	Mar. 31, 2024	Jun. 30, 2025	Jun. 30, 2024
Statement of Comprehensive Income [Abstract]
Net income (loss)	$ (88,936)	$ (27,056)	$ 30,267	$ (16,414)	$ (115,992)	$ 13,853
Comprehensive income (loss):
Unrealized gain (loss) on derivative financial instruments	(1,099)		781		(3,651)	6,807
Total comprehensive income (loss)	(1,099)	$ (2,552)	781	$ 6,026	(3,651)	6,807
Comprehensive income (loss)	(90,035)		31,048		(119,643)	20,660
Comprehensive (income) loss attributable to noncontrolling interest	271		(97)		360	(70)
Comprehensive income (loss) attributable to Brandywine Realty Trust	$ (89,764)		$ 30,951		$ (119,283)	$ 20,590