Consolidated Statements of Operations (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
Revenue:
Rents	$ 116,296	$ 117,362
Tenant reimbursements	19,332	22,532
Termination fees	1,497	568
Third party management fees, labor reimbursement and leasing	3,142	2,753
Other	1,534	1,083
Total revenue	141,801	144,298
Operating Expenses:
Property operating expenses	40,197	45,002
Real estate taxes	14,333	13,958
Third party management expenses	1,250	1,510
Depreciation and amortization	50,502	50,295
General and administrative expenses	6,050	6,244
Total operating expenses	112,332	117,009
Operating income	29,469	27,289
Other Income (Expense):
Interest income	483	441
Interest expense	(34,144)	(32,393)
Interest expense - amortization of deferred financing costs	(1,311)	(928)
Interest expense — financing obligation	(182)	0
Equity in income of real estate ventures	44	1,233
Net gain on sale of interests in real estate	0	2,791
Gain (loss) on early extinguishment of debt	(248)	0
Income (loss) from continuing operations	(5,889)	(1,567)
Discontinued operations:
Income from discontinued operations	557	1,077
Net gain (loss) on disposition of discontinued operations	14,668	0
Total discontinued operations	15,225	1,077
Net income (loss)	9,336	(490)
Net income from discontinued operations attributable to non-controlling interests - LP units	(279)	(22)
Net (income) loss attributable to non-controlling interests - LP units	145	73
Net (income) loss attributable to non-controlling interests	(134)	51
Net income (loss) attributable to Brandywine Realty Trust	9,202	(439)
Distribution to Preferred Shares	(1,998)	(1,998)
Amount allocated to unvested restricted shareholders	(96)	(142)
Net income (loss) attributable to Common Shareholders of Brandywine Realty Trust	7,108	(2,579)
Basic income (loss) per Common Share:
Continuing operations (in dollars per share)	$ (0.05)	$ (0.03)
Discontinued operations (in dollars per share)	$ 0.10	$ 0.01
Basic income (loss) per Common Share (in dollars per share)	$ 0.05	$ (0.02)
Diluted income (loss) per Common Share:
Continuing operations (in dollars per share)	$ (0.05)	$ (0.03)
Discontinued operations (in dollars per share)	$ 0.10	$ 0.01
Diluted income (loss) per Common Share (in dollars per share)	$ 0.05	$ (0.02)
Basic weighted average shares outstanding (in shares)	142,820,955	134,577,421
Diluted weighted average shares outstanding (in shares)	142,820,955	134,577,421
Net income (loss) attributable to Brandywine Realty Trust
Income (loss) from continuing operations	(5,744)	(1,494)
Income (loss) from discontinued operations	14,946	1,055
Net income (loss)	9,202	(439)
BRANDYWINE OPERATING PARTNERSHIP, L.P.
Revenue:
Rents	116,296	117,362
Tenant reimbursements	19,332	22,532
Termination fees	1,497	568
Third party management fees, labor reimbursement and leasing	3,142	2,753
Other	1,534	1,083
Total revenue	141,801	144,298
Operating Expenses:
Property operating expenses	40,197	45,002
Real estate taxes	14,333	13,958
Third party management expenses	1,250	1,510
Depreciation and amortization	50,502	50,295
General and administrative expenses	6,050	6,244
Total operating expenses	112,332	117,009
Operating income	29,469	27,289
Other Income (Expense):
Interest income	483	441
Interest expense	(34,144)	(32,393)
Interest expense - amortization of deferred financing costs	(1,311)	(928)
Interest expense — financing obligation	(182)	0
Equity in income of real estate ventures	44	1,233
Net gain on sale of interests in real estate	0	2,791
Gain (loss) on early extinguishment of debt	(248)	0
Income (loss) from continuing operations	(5,889)	(1,567)
Discontinued operations:
Income from discontinued operations	557	1,077
Net gain (loss) on disposition of discontinued operations	14,668	0
Total discontinued operations	15,225	1,077
Net income (loss)	9,336	(490)
Net income (loss) attributable to Brandywine Realty Trust	9,336	(490)
Distribution to Preferred Shares	(1,998)	(1,998)
Amount allocated to unvested restricted shareholders	(96)	(142)
Net income (loss) attributable to Common Shareholders of Brandywine Realty Trust	7,242	(2,630)
Basic income (loss) per Common Share:
Continuing operations (in dollars per share)	$ (0.05)	$ (0.03)
Discontinued operations (in dollars per share)	$ 0.10	$ 0.01
Basic income (loss) per Common Share (in dollars per share)	$ 0.05	$ (0.02)
Diluted income (loss) per Common Share:
Continuing operations (in dollars per share)	$ (0.05)	$ (0.03)
Discontinued operations (in dollars per share)	$ 0.10	$ 0.01
Diluted income (loss) per Common Share (in dollars per share)	$ 0.05	$ (0.02)
Basic weighted average shares outstanding (in shares)	145,485,422	144,480,173
Diluted weighted average shares outstanding (in shares)	145,485,422	144,480,173
Net income (loss) attributable to Brandywine Realty Trust
Income (loss) from continuing operations	(5,889)	(1,567)
Income (loss) from discontinued operations	15,225	1,077
Net income (loss)	$ 9,336	$ (490)