Consolidated Statements of Operations - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Revenue
Rents	$ 139,228	$ 128,635	$ 415,113	$ 382,321
Total revenue	145,331	134,998	433,378	405,142
Operating expenses
Property operating expenses	38,358	37,852	116,542	115,109
Real estate taxes	15,247	12,433	47,119	37,272
Third party management expenses	2,469	2,612	7,035	9,605
Depreciation and amortization	55,627	44,141	158,738	131,631
General and administrative expenses	6,974	5,963	25,217	22,209
Provision for impairment	0	56,865	0	56,865
Total operating expenses	118,675	159,866	354,651	372,691
Gain on sale of real estate
Net gain (loss) on disposition of real estate	356	0	356	(35)
Net gain on sale of undepreciated real estate	250	0	1,501	2,859
Total gain on sale of real estate	606	0	1,857	2,824
Operating income (loss)	27,262	(24,868)	80,584	35,275
Other income (expense):
Interest income	558	1,220	1,636	2,564
Interest expense	(20,400)	(19,257)	(61,273)	(58,091)
Interest expense - amortization of deferred financing costs	(694)	(618)	(2,026)	(1,872)
Equity in (loss) income of Real Estate Ventures	(1,965)	1	(4,814)	(1,182)
Net gain on real estate venture transactions	2,059	0	3,594	37,263
Net income (loss) before income taxes	6,820	(43,522)	17,701	13,957
Income tax provision	0	0	(46)	(158)
Net income (loss)	6,820	(43,522)	17,655	13,799
Net (income) loss attributable to noncontrolling interests	(48)	342	(155)	(162)
Net income (loss) attributable to Brandywine Realty Trust	6,772	(43,180)	17,500	13,637
Nonforfeitable dividends allocated to unvested restricted shareholders	(93)	(80)	(305)	(280)
Net income (loss) attributable to Common Shareholders of Brandywine Realty Trust	$ 6,679	$ (43,260)	$ 17,195	$ 13,357
Basic income per Common Share (in dollars per share)	$ 0.04	$ (0.24)	$ 0.10	$ 0.07
Diluted income per Common Share (in dollars per share)	$ 0.04	$ (0.24)	$ 0.10	$ 0.07
Basic weighted average shares outstanding (in shares)	176,195,244	178,602,622	176,066,507	178,515,993
Diluted weighted average shares outstanding (in shares)	176,750,600	178,602,622	176,617,726	179,752,544
BRANDYWINE OPERATING PARTNERSHIP, L.P.
Revenue
Rents	$ 139,228	$ 128,635	$ 415,113	$ 382,321
Total revenue	145,331	134,998	433,378	405,142
Operating expenses
Property operating expenses	38,358	37,852	116,542	115,109
Real estate taxes	15,247	12,433	47,119	37,272
Third party management expenses	2,469	2,612	7,035	9,605
Depreciation and amortization	55,627	44,141	158,738	131,631
General and administrative expenses	6,974	5,963	25,217	22,209
Provision for impairment	0	56,865	0	56,865
Total operating expenses	118,675	159,866	354,651	372,691
Gain on sale of real estate
Net gain (loss) on disposition of real estate	356	0	356	(35)
Net gain on sale of undepreciated real estate	250	0	1,501	2,859
Total gain on sale of real estate	606	0	1,857	2,824
Operating income (loss)	27,262	(24,868)	80,584	35,275
Other income (expense):
Interest income	558	1,220	1,636	2,564
Interest expense	(20,400)	(19,257)	(61,273)	(58,091)
Interest expense - amortization of deferred financing costs	(694)	(618)	(2,026)	(1,872)
Equity in (loss) income of Real Estate Ventures	(1,965)	1	(4,814)	(1,182)
Net gain on real estate venture transactions	2,059	0	3,594	37,263
Net income (loss) before income taxes	6,820	(43,522)	17,701	13,957
Income tax provision	0	0	(46)	(158)
Net income (loss)	6,820	(43,522)	17,655	13,799
Net income attributable to noncontrolling interests - consolidated real estate ventures	(11)	(20)	(58)	(46)
Net income attributable to Brandywine Operating Partnership	6,809	(43,542)	17,597	13,753
Nonforfeitable dividends allocated to unvested restricted shareholders	(93)	(80)	(305)	(280)
Net income (loss) attributable to Common Shareholders of Brandywine Realty Trust	$ 6,716	$ (43,622)	$ 17,292	$ 13,473
Basic income per Common Share (in dollars per share)	$ 0.04	$ (0.24)	$ 0.10	$ 0.07
Diluted income per Common Share (in dollars per share)	$ 0.04	$ (0.24)	$ 0.10	$ 0.07
Basic weighted average shares outstanding (in shares)	177,176,870	180,082,421	177,048,621	179,995,792
Diluted weighted average shares outstanding (in shares)	177,732,226	180,082,421	177,599,840	181,232,343
Third party management fees, labor reimbursement and leasing
Revenue
Service and other revenue	$ 4,938	$ 4,944	$ 14,041	$ 17,531
Third party management fees, labor reimbursement and leasing | BRANDYWINE OPERATING PARTNERSHIP, L.P.
Revenue
Service and other revenue	4,938	4,944	14,041	17,531
Other
Revenue
Service and other revenue	1,165	1,419	4,224	5,290
Other | BRANDYWINE OPERATING PARTNERSHIP, L.P.
Revenue
Service and other revenue	$ 1,165	$ 1,419	$ 4,224	$ 5,290