CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Statement of Comprehensive Income [Abstract]
Net income (loss)		$ (196,487)	$ (197,403)	$ 53,992
Comprehensive income (loss):
Unrealized gain (loss) on derivative financial instruments		3,200	(4,579)	5,371
Amortization of interest rate contracts	[1]	0	0	564
Total comprehensive income (loss)		3,200	(4,579)	5,935
Comprehensive income (loss)		(193,287)	(201,982)	59,927
Comprehensive (income) loss attributable to noncontrolling interest		569	628	(186)
Comprehensive income (loss) attributable to Brandywine Realty Trust		$ (192,718)	$ (201,354)	$ 59,741

[1] Amounts reclassified from comprehensive income to interest expense within the Consolidated Statements of Operations.