Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands		3 Months Ended
		Mar. 31, 2021	Mar. 31, 2020
Net income		$ 6,964	$ 8,087
Comprehensive income (loss):
Unrealized gain (loss) on derivative financial instruments		910	(8,057)
Amortization of interest rate contracts	[1]	188	188
Total comprehensive income (loss)		1,098	(7,869)
Comprehensive income		8,062	218
Comprehensive income attributable to noncontrolling interest		(49)	(21)
Comprehensive income attributable to Brandywine Realty Trust		8,013	197
BRANDYWINE OPERATING PARTNERSHIP, L.P.
Net income		6,964	8,087
Comprehensive income (loss):
Unrealized gain (loss) on derivative financial instruments		910	(8,057)
Amortization of interest rate contracts	[1]	188	188
Total comprehensive income (loss)		1,098	(7,869)
Comprehensive income		8,062	218
Comprehensive income attributable to noncontrolling interest		1	(12)
Comprehensive income attributable to Brandywine Realty Trust		$ 8,063	$ 206

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