Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
		Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Net income		$ 974	$ 276,133	$ 7,763	$ 288,240
Comprehensive income (loss):
Unrealized gain (loss) on derivative financial instruments		911	1,040	2,681	(6,979)
Amortization of interest rate contracts	[1]	188	188	564	564
Total comprehensive income (loss)		1,099	1,228	3,245	(6,415)
Comprehensive income		2,073	277,361	11,008	281,825
Comprehensive (income) loss attributable to noncontrolling interest - consolidated real estate ventures		(12)	(1,619)	(59)	(1,665)
Comprehensive income attributable to Brandywine Realty Trust		2,061	275,742	10,949	280,160
BRANDYWINE OPERATING PARTNERSHIP, L.P.
Net income		974	276,133	7,763	288,240
Comprehensive income (loss):
Unrealized gain (loss) on derivative financial instruments		911	1,040	2,681	(6,979)
Amortization of interest rate contracts	[1]	188	188	564	564
Total comprehensive income (loss)		1,099	1,228	3,245	(6,415)
Comprehensive income		2,073	277,361	11,008	281,825
Comprehensive (income) loss attributable to noncontrolling interest - consolidated real estate ventures		2	2	4	(20)
Comprehensive income attributable to Brandywine Realty Trust		$ 2,075	$ 277,363	$ 11,012	$ 281,805

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