Consolidated Statements of Operations - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Revenue
Revenue	$ 145,088	$ 143,896
Operating expenses
Property operating expenses	37,461	39,500
Real estate taxes	16,787	15,783
Third party management expenses	2,662	2,117
Depreciation and amortization	52,038	51,444
General and administrative expenses	8,561	9,844
Total operating expenses	117,509	118,688
Gain on sale of real estate
Net gain on disposition of real estate	2,586	0
Net gain on sale of undepreciated real estate	0	1,001
Total gain on sale of real estate	2,586	1,001
Operating income	30,165	26,209
Other income (expense):
Interest income	575	525
Interest expense	20,009	20,357
Interest expense - amortization of deferred financing costs	(749)	(666)
Equity in loss of Real Estate Ventures	(1,891)	(1,358)
Net gain on real estate venture transactions	0	259
Net income before income taxes	8,091	4,612
Income tax provision	(4)	(29)
Net income	8,087	4,583
Net income attributable to noncontrolling interests	(65)	(60)
Net income attributable to Brandywine Realty Trust	8,022	4,523
Nonforfeitable dividends allocated to unvested restricted shareholders	(131)	(119)
Net income attributable to Common Shareholders of Brandywine Realty Trust	$ 7,891	$ 4,404
Basic income per Common Share (in dollars per share)	$ 0.04	$ 0.03
Diluted income per Common Share (in dollars per share)	$ 0.04	$ 0.02
Basic weighted average shares outstanding (in shares)	176,069,968	175,857,358
Diluted weighted average shares outstanding (in shares)	176,653,459	176,464,218
BRANDYWINE OPERATING PARTNERSHIP, L.P.
Revenue
Revenue	$ 145,088	$ 143,896
Operating expenses
Property operating expenses	37,461	39,500
Real estate taxes	16,787	15,783
Third party management expenses	2,662	2,117
Depreciation and amortization	52,038	51,444
General and administrative expenses	8,561	9,844
Total operating expenses	117,509	118,688
Gain on sale of real estate
Net gain on disposition of real estate	2,586	0
Net gain on sale of undepreciated real estate	0	1,001
Total gain on sale of real estate	2,586	1,001
Operating income	30,165	26,209
Other income (expense):
Interest income	575	525
Interest expense	20,009	20,357
Interest expense - amortization of deferred financing costs	(749)	(666)
Equity in loss of Real Estate Ventures	(1,891)	(1,358)
Net gain on real estate venture transactions	0	259
Net income before income taxes	8,091	4,612
Income tax provision	(4)	(29)
Net income	8,087	4,583
Net income attributable to noncontrolling interests - consolidated real estate ventures	(12)	(34)
Net income attributable to Brandywine Operating Partnership	8,075	4,549
Nonforfeitable dividends allocated to unvested restricted shareholders	(131)	(119)
Net income attributable to Common Shareholders of Brandywine Realty Trust	$ 7,944	$ 4,430
Basic income per Common Share (in dollars per share)	$ 0.04	$ 0.03
Diluted income per Common Share (in dollars per share)	$ 0.04	$ 0.02
Basic weighted average shares outstanding (in shares)	177,051,602	176,840,229
Diluted weighted average shares outstanding (in shares)	177,635,093	177,447,089
Rents
Revenue
Revenue	$ 139,204	$ 138,098
Rents | BRANDYWINE OPERATING PARTNERSHIP, L.P.
Revenue
Revenue	139,204	138,098
Third party management fees, labor reimbursement and leasing
Revenue
Service and other revenue	4,954	3,955
Third party management fees, labor reimbursement and leasing | BRANDYWINE OPERATING PARTNERSHIP, L.P.
Revenue
Service and other revenue	4,954	3,955
Other
Revenue
Service and other revenue	930	1,843
Other | BRANDYWINE OPERATING PARTNERSHIP, L.P.
Revenue
Service and other revenue	$ 930	$ 1,843