Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Net income		$ 34,529	$ 135,472	$ 121,177
Comprehensive income (loss):
Unrealized gain (loss) on derivative financial instruments		(8,210)	1,478	2,948
Amortization of interest rate contracts	[1]	770	1,191	1,230
Total comprehensive income (loss)		(7,440)	2,669	4,178
Comprehensive income		27,089	138,141	125,355
Comprehensive income attributable to noncontrolling interest		(221)	(993)	(1,036)
Comprehensive income attributable to Brandywine Realty Trust/Brandywine Operating Partnership		26,868	137,148	124,319
BRANDYWINE OPERATING PARTNERSHIP, L.P.
Net income		34,529	135,472	121,177
Comprehensive income (loss):
Unrealized gain (loss) on derivative financial instruments		(8,210)	1,478	2,948
Amortization of interest rate contracts	[1]	770	1,191	1,230
Total comprehensive income (loss)		(7,440)	2,669	4,178
Comprehensive income		27,089	138,141	125,355
Comprehensive income attributable to noncontrolling interest		(69)	(55)	(29)
Comprehensive income attributable to Brandywine Realty Trust/Brandywine Operating Partnership		$ 27,020	$ 138,086	$ 125,326

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