CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Revenue
Total revenue	$ 125,569	$ 120,418	$ 377,116	$ 361,289
Operating expenses
Property operating expenses	32,624	30,304	97,283	88,503
Real estate taxes	12,313	13,421	39,872	42,784
Third party management expenses	2,549	3,327	7,898	9,866
Depreciation and amortization	45,134	48,175	132,875	131,303
General and administrative expenses	7,564	7,076	25,892	22,016
Total operating expenses	100,184	102,303	303,820	294,472
Gain on sale of real estate
Net gain on disposition of real estate	8,669	0	8,813	142
Net gain on sale of undepreciated real estate	2,983	910	8,007	2,903
Total gain on sale of real estate	11,652	910	16,820	3,045
Operating income	37,037	19,025	90,116	69,862
Other income (expense):
Interest and investment income	498	4,494	1,387	7,845
Interest expense	(17,061)	(15,190)	(49,144)	(46,973)
Interest expense - amortization of deferred financing costs	(745)	(709)	(2,259)	(2,127)
Equity in loss of unconsolidated real estate ventures	(6,260)	(6,634)	(15,804)	(20,798)
Net income before income taxes	13,469	986	24,296	7,809
Income tax (provision) benefit	9	(12)	(66)	(46)
Net income	13,478	974	24,230	7,763
Net income attributable to noncontrolling interests	(37)	(7)	(59)	(42)
Net income attributable to Brandywine Realty Trust	13,441	967	24,171	7,721
Nonforfeitable dividends allocated to unvested restricted shareholders	(105)	(91)	(351)	(331)
Net income attributable to Common Partnership Unitholders of Brandywine Operating Partnership, L.P.	$ 13,336	$ 876	$ 23,820	$ 7,390
Basic income per Common Share (in dollars per share)	$ 0.08	$ 0.01	$ 0.14	$ 0.04
Diluted income per Common Share (in dollars per share)	$ 0.08	$ 0.01	$ 0.14	$ 0.04
Basic weighted average shares outstanding (in shares)	171,569,807	170,907,018	171,464,936	170,794,585
Weighted average units outstanding, diluted (in shares)	172,152,256	172,237,194	172,435,153	172,077,950
Rents
Revenue
Total revenue	$ 117,481	$ 112,159	$ 350,279	$ 336,878
Third party management fees, labor reimbursement and leasing
Revenue
Total revenue	6,872	6,500	17,904	19,778
Other
Revenue
Total revenue	$ 1,216	$ 1,759	$ 8,933	$ 4,633