CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Revenue
Total revenue	$ 121,417	$ 131,782	$ 363,504	$ 383,612
Operating expenses
Property operating expenses	31,412	31,900	96,303	95,532
Real estate taxes	11,647	11,892	34,586	37,019
Third party management expenses	2,350	2,487	7,467	7,456
Depreciation and amortization	43,005	44,301	131,120	133,530
General and administrative expenses	7,841	12,681	34,636	32,726
Provision for impairment	0	37,980	63,369	44,407
Total operating expenses	96,255	141,241	367,481	350,670
Gain on sale of real estate
Net gain on disposition of real estate	35	0	3,008	0
Total gain on sale of real estate	35	0	3,008	0
Operating income (loss)	25,197	(9,459)	(969)	32,942
Other income (expense):
Interest and investment income	1,238	639	3,274	2,572
Interest expense	(32,914)	(30,561)	(97,104)	(85,104)
Interest expense - amortization of deferred financing costs	(1,336)	(1,247)	(3,763)	(3,753)
Equity in loss of unconsolidated real estate ventures	(18,183)	(125,862)	(43,526)	(153,957)
Net gain on real estate venture transactions	0	770	183	54,503
Gain on early extinguishment of debt	0	0	0	941
Net loss before income taxes	(25,998)	(165,720)	(141,905)	(151,856)
Income tax provision	0	0	(85)	(11)
Net loss	(25,998)	(165,720)	(141,990)	(151,867)
Net loss attributable to noncontrolling interests	79	500	427	452
Net loss attributable to Brandywine Realty Trust	(25,919)	(165,220)	(141,563)	(151,415)
Nonforfeitable dividends allocated to unvested restricted shareholders	(313)	(276)	(1,064)	(889)
Net loss attributable to Common Shareholders of Brandywine Realty Trust	$ (26,232)	$ (165,496)	$ (142,627)	$ (152,304)
Basic loss per Common Share (in dollars per share)	$ (0.15)	$ (0.96)	$ (0.82)	$ (0.88)
Diluted loss per Common Share (in dollars per share)	$ (0.15)	$ (0.96)	$ (0.82)	$ (0.88)
Basic weighted average shares outstanding (in shares)	173,699,312	172,668,731	173,385,330	172,480,325
Diluted weighted average shares outstanding (in shares)	173,699,312	172,668,731	173,385,330	172,480,325
Rents
Revenue
Total revenue	$ 114,742	$ 117,958	$ 343,366	$ 354,975
Third party management fees, labor reimbursement and leasing
Revenue
Total revenue	4,540	6,093	15,242	17,685
Other
Revenue
Total revenue	$ 2,135	$ 7,731	$ 4,896	$ 10,952