Consolidated Statements of Operations (Unaudited) (USD $) In Thousands, except Share data	3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
Revenue:
Rents	$ 120,416	$ 113,006	$ 241,145	$ 227,048
Tenant reimbursements	18,969	17,234	42,025	38,050
Termination fees	1,948	1,331	2,516	3,085
Third party management fees, labor reimbursement and leasing	2,733	2,904	5,486	6,371
Other	1,341	1,022	2,439	1,943
Total revenue	145,407	135,497	293,611	276,497
Operating Expenses:
Property operating expenses	40,595	38,018	86,614	82,336
Real estate taxes	14,474	13,383	28,871	26,121
Third party management expenses	1,506	1,493	3,016	2,905
Depreciation and amortization	58,014	51,289	109,688	103,318
General and administrative expenses	5,890	6,653	12,134	12,745
Total operating expenses	120,479	110,836	240,323	227,425
Operating income	24,928	24,661	53,288	49,072
Other Income (Expense):
Interest income	421	963	862	1,828
Interest expense	(34,738)	(31,210)	(67,131)	(62,734)
Interest expense - amortization of deferred financing costs	(1,070)	(862)	(1,998)	(1,873)
Equity in income of real estate ventures	1,088	1,025	2,321	2,321
Net gain on sale of interests in real estate			2,791
Loss on early extinguishment of debt	(756)	(445)	(756)	(1,637)
Loss from continuing operations	(10,127)	(5,868)	(10,623)	(13,023)
Discontinued operations:
Income from discontinued operations	57	268	63	675
Net gain on disposition of discontinued operations	3,836		3,836	6,349
Total discontinued operations	3,893	268	3,899	7,024
Net loss	(6,234)	(5,600)	(6,724)	(5,999)
Net income from discontinued operations attributable to non-controlling interests - LP units	(78)	(6)	(78)	(150)
Net loss attributable to non-controlling interests - LP units	243	165	294	360
Net loss attributable to non-controlling interests	165	159	216	210
Net loss attributable to Brandywine Realty Trust	(6,069)	(5,441)	(6,508)	(5,789)
Distribution to Preferred Shares	(1,998)	(1,998)	(3,996)	(3,996)
Amount allocable to unvested restricted shareholders, Basic	(121)	(128)	(263)	(256)
Net loss attributable to Common Shareholders of Brandywine Realty Trust	(8,188)	(7,567)	(10,767)	(10,041)
Basic loss per Common Share:
Continuing operations	$ (0.09)	$ (0.06)	$ (0.11)	$ (0.13)
Discontinued operations	$ 0.03	$ 0.00	$ 0.03	$ 0.05
Basic loss per Common Share	$ (0.06)	$ (0.06)	$ (0.08)	$ (0.08)
Diluted loss per Common Share:
Continuing operations	$ (0.09)	$ (0.06)	$ (0.11)	$ (0.13)
Discontinued operations	$ 0.03	$ 0.00	$ 0.03	$ 0.05
Diluted loss per Common Share	$ (0.06)	$ (0.06)	$ (0.08)	$ (0.08)
Basic weighted average shares outstanding	135,342,538	131,510,924	134,962,093	130,146,853
Diluted weighted average shares outstanding	135,342,538	131,510,924	134,962,093	130,146,853
Net loss attributable to Brandywine Realty Trust
Loss from continuing operations	(9,884)	(5,703)	(10,329)	(12,663)
Income from discontinued operations	3,815	262	3,821	6,874
Net loss	(6,069)	(5,441)	(6,508)	(5,789)
BRANDYWINE OPERATING PARTNERSHIP, L.P.
Revenue:
Rents	120,416	113,006	241,145	227,048
Tenant reimbursements	18,969	17,234	42,025	38,050
Termination fees	1,948	1,331	2,516	3,085
Third party management fees, labor reimbursement and leasing	2,733	2,904	5,486	6,371
Other	1,341	1,022	2,439	1,943
Total revenue	145,407	135,497	293,611	276,497
Operating Expenses:
Property operating expenses	40,595	38,018	86,614	82,336
Real estate taxes	14,474	13,383	28,871	26,121
Third party management expenses	1,506	1,493	3,016	2,905
Depreciation and amortization	58,014	51,289	109,688	103,318
General and administrative expenses	5,890	6,653	12,134	12,745
Total operating expenses	120,479	110,836	240,323	227,425
Operating income	24,928	24,661	53,288	49,072
Other Income (Expense):
Interest income	421	963	862	1,828
Interest expense	(34,738)	(31,210)	(67,131)	(62,734)
Interest expense - amortization of deferred financing costs	(1,070)	(862)	(1,998)	(1,873)
Equity in income of real estate ventures	1,088	1,025	2,321	2,321
Net gain on sale of interests in real estate			2,791
Loss on early extinguishment of debt	(756)	(445)	(756)	(1,637)
Loss from continuing operations	(10,127)	(5,868)	(10,623)	(13,023)
Discontinued operations:
Income from discontinued operations	57	268	63	675
Net gain on disposition of discontinued operations	3,836		3,836	6,349
Total discontinued operations	3,893	268	3,899	7,024
Net loss	(6,234)	(5,600)	(6,724)	(5,999)
Net loss attributable to Brandywine Realty Trust	(6,234)	(5,600)	(6,724)	(5,999)
Distribution to Preferred Shares	(1,998)	(1,998)	(3,996)	(3,996)
Amount allocable to unvested restricted shareholders, Basic	(121)	(128)	(263)	(256)
Net loss attributable to Common Shareholders of Brandywine Realty Trust	(8,353)	(7,726)	(10,983)	(10,251)
Basic loss per Common Share:
Continuing operations	$ (0.09)	$ (0.06)	$ (0.11)	$ (0.13)
Discontinued operations	$ 0.03	$ 0.00	$ 0.03	$ 0.05
Basic loss per Common Share	$ (0.06)	$ (0.06)	$ (0.08)	$ (0.08)
Diluted loss per Common Share:
Continuing operations	$ (0.09)	$ (0.06)	$ (0.11)	$ (0.13)
Discontinued operations	$ 0.03	$ 0.00	$ 0.03	$ 0.05
Diluted loss per Common Share	$ (0.06)	$ (0.06)	$ (0.08)	$ (0.08)
Basic weighted average shares outstanding	145,220,764	134,320,032	144,852,515	132,955,961
Diluted weighted average shares outstanding	145,220,764	134,320,032	144,852,515	132,955,961
Net loss attributable to Brandywine Realty Trust
Loss from continuing operations	(10,127)	(5,868)	(10,623)	(13,023)
Income from discontinued operations	3,893	268	3,899	7,024
Net loss	$ (6,234)	$ (5,600)	$ (6,724)	$ (5,999)