Consolidated Statements of Operations (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Revenue:
Rents	$ 121,671	$ 114,608
Tenant reimbursements	23,460	20,341
Termination fees	2,203	496
Third party management fees, labor reimbursement and leasing	4,150	3,236
Other	630	873
Total revenue	152,114	139,554
Expenses:
Property operating expenses	46,801	39,349
Real estate taxes	13,457	14,295
Third party management expenses	1,716	1,425
Depreciation and amortization	52,570	49,476
General and administrative expenses	8,181	6,551
Total operating expenses	122,725	111,096
Operating Income	29,389	28,458
Other income (expense):
Interest income	385	58
Interest expense	(31,844)	(30,914)
Interest expense — amortization of deferred financing costs	(1,189)	(1,161)
Interest expense — financing obligation	(272)	(218)
Equity in income of real estate ventures	242	1,535
Net Gain (Loss) On Real Estate Venture Transactions, including real estate venture formation	(135)	0
Gain on sale of undepreciated real estate	1,187	0
Loss on early extinguishment of debt	0	(3)
Loss from continuing operations	(2,237)	(2,245)
Discontinued operations:
Income (Loss) from discontinued operations	(8)	860
Net gain on disposition of discontinued operations	0	5,304
Total discontinued operations	(8)	6,164
Net income (loss)	(2,245)	3,919
Discontinued operations attributable to non-controlling interests, Basic	0	(78)
Net income attributable to non-controlling interest — partners' share of consolidated real estate ventures	(12)	0
Net (income) loss attributable to non-controlling interests — LP units	44	50
Net (income) loss attributable to non-controlling interests	32	(28)
Net income (loss) attributable to Brandywine Realty Trust	(2,213)	3,891
Distribution to Preferred Shares	(1,725)	(1,725)
Nonforfeitable dividends allocated to unvested restricted shareholders	(103)	(108)
Net income (loss) attributable to Common Shareholders of Brandywine Realty Trust	(4,041)	2,058
Basic income (loss) per Common Share:
Continuing operations	$ (0.03)	$ (0.03)
Discontinued operations	$ 0.00	$ 0.04
Net income (loss) attributable to common shareholders/unitholders, Basic	$ (0.03)	$ 0.01
Diluted income (loss) per Common Share:
Continuing operations	$ (0.03)	$ (0.03)
Discontinued operations	$ 0.00	$ 0.04
Net income attributable to common shareholders/unitholders, Diluted	$ (0.03)	$ 0.01
Weighted Average Number of Shares Outstanding, Basic	156,794,019	143,605,659
Weighted Average Number of Shares Outstanding, Diluted	156,794,019	143,605,659
Net income (loss) attributable to Brandywine Realty Trust
Total continuing operations	(2,205)	(2,195)
Total discontinued operations	(8)	6,086
Net income	(2,245)	3,919
Net income (Loss) attributable to Brandywine Realty Trust	(2,213)	3,891
BRANDYWINE OPERATING PARTNERSHIP, L.P.
Revenue:
Rents	121,671	114,608
Tenant reimbursements	23,460	20,341
Termination fees	2,203	496
Third party management fees, labor reimbursement and leasing	4,150	3,236
Other	630	873
Total revenue	152,114	139,554
Expenses:
Property operating expenses	46,801	39,349
Real estate taxes	13,457	14,295
Third party management expenses	1,716	1,425
Depreciation and amortization	52,570	49,476
General and administrative expenses	8,181	6,551
Total operating expenses	122,725	111,096
Operating Income	29,389	28,458
Other income (expense):
Interest income	385	58
Interest expense	(31,844)	(30,914)
Interest expense — amortization of deferred financing costs	(1,189)	(1,161)
Interest expense — financing obligation	(272)	(218)
Equity in income of real estate ventures	242	1,535
Net Gain (Loss) On Real Estate Venture Transactions, including real estate venture formation	(135)	0
Gain on sale of undepreciated real estate	1,187	0
Loss on early extinguishment of debt	0	(3)
Loss from continuing operations	(2,237)	(2,245)
Discontinued operations:
Income (Loss) from discontinued operations	(8)	860
Net gain on disposition of discontinued operations	0	5,304
Total discontinued operations	(8)	6,164
Net income (loss)	(2,245)	3,919
Net income attributable to non-controlling interest — partners' share of consolidated real estate ventures	(12)	0
Net income (loss) attributable to Brandywine Realty Trust	(2,257)	3,919
Distribution to Preferred Shares	(1,725)	(1,725)
Nonforfeitable dividends allocated to unvested restricted shareholders	(103)	(108)
Net income (loss) attributable to Common Shareholders of Brandywine Realty Trust	(4,085)	2,086
Basic income (loss) per Common Share:
Continuing operations	$ (0.03)	$ (0.03)
Discontinued operations	$ 0.00	$ 0.04
Net income (loss) attributable to common shareholders/unitholders, Basic	$ (0.03)	$ 0.01
Diluted income (loss) per Common Share:
Continuing operations	$ (0.03)	$ (0.03)
Discontinued operations	$ 0.00	$ 0.04
Net income attributable to common shareholders/unitholders, Diluted	$ (0.03)	$ 0.01
Weighted Average Number of Shares Outstanding, Basic	158,557,758	145,451,396
Weighted Average Number of Shares Outstanding, Diluted	158,557,758	145,451,396
Net income (loss) attributable to Brandywine Realty Trust
Total continuing operations	(2,249)	(2,245)
Total discontinued operations	(8)	6,164
Net income	(2,245)	3,919
Net income (Loss) attributable to Brandywine Realty Trust	$ (2,257)	$ 3,919