Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
		Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Net income (loss)		$ (175)	$ 4,020	$ 6,789	$ 12,107
Comprehensive income (loss):
Unrealized gain (loss) on derivative financial instruments		860	38	1,770	(8,019)
Amortization of interest rate contracts	[1]	188	188	376	376
Total comprehensive income (loss)		1,048	226	2,146	(7,643)
Comprehensive income		873	4,246	8,935	4,464
Comprehensive (income) loss attributable to noncontrolling interest		2	(25)	(47)	(46)
Comprehensive income attributable to Brandywine Realty Trust		875	4,221	8,888	4,418
BRANDYWINE OPERATING PARTNERSHIP, L.P.
Net income (loss)		(175)	4,020	6,789	12,107
Comprehensive income (loss):
Unrealized gain (loss) on derivative financial instruments		860	38	1,770	(8,019)
Amortization of interest rate contracts	[1]	188	188	376	376
Total comprehensive income (loss)		1,048	226	2,146	(7,643)
Comprehensive income		873	4,246	8,935	4,464
Comprehensive (income) loss attributable to noncontrolling interest		1	(10)	2	(22)
Comprehensive income attributable to Brandywine Realty Trust		$ 874	$ 4,236	$ 8,937	$ 4,442

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