Consolidated Statements of Comprehensive Income (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Net income (loss)	$ 17,089	$ 6,611	$ 33,227	$ (113)
Comprehensive income (loss):
Unrealized gain (loss) on derivative financial instruments	(4,222)	0	(14,780)	(613)
Reclassification of realized (gains)/losses on derivative financial instruments to operations, net	76	53	200	126
Unrealized loss on available-for-sale securities	65	0	0	0
Total comprehensive income (loss)	(4,081)	53	(14,580)	(487)
Comprehensive income (loss)	13,008	6,664	18,647	(600)
Comprehensive (income) loss attributable to non-controlling interest	(186)	(365)	(158)	(139)
Comprehensive income (loss) attributable to Brandywine Realty Trust	12,822	6,299	18,489	(739)
BRANDYWINE OPERATING PARTNERSHIP, L.P.
Net income (loss)	17,089	6,611	33,227	(113)
Comprehensive income (loss):
Unrealized gain (loss) on derivative financial instruments	(4,222)	0	(14,780)	(613)
Reclassification of realized (gains)/losses on derivative financial instruments to operations, net	76	53	200	126
Unrealized loss on available-for-sale securities	65	0	0	0
Total comprehensive income (loss)	(4,081)	53	(14,580)	(487)
Comprehensive income (loss) attributable to Brandywine Realty Trust	$ 13,008	$ 6,664	$ 18,647	$ (600)