CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Sep. 30, 2025	Dec. 31, 2024
Real estate investments:
Operating properties	$ 3,265,410	$ 3,374,780
Accumulated depreciation	(1,234,678)	(1,171,803)
Right of use asset - operating leases, net	17,957	18,412
Operating real estate investments, net	2,048,689	2,221,389
Construction-in-progress	94,635	94,628
Land held for development	73,395	81,318
Prepaid leasehold interests in land held for development, net	27,762	27,762
Total real estate investments, net	2,244,481	2,425,097
Cash and cash equivalents	75,478	90,229
Restricted cash and escrows	1,050	5,948
Accounts receivable	15,493	12,703
Accrued rent receivable, net of allowance of $424 and $909 as of September 30, 2025 and December 31, 2024, respectively	183,153	184,312
Investment in unconsolidated real estate ventures	594,203	570,455
Deferred costs, net	77,449	84,317
Intangible assets, net	3,845	5,505
Other assets	124,249	113,647
Total assets	3,319,401	3,492,213
LIABILITIES AND BENEFICIARIES' EQUITY
Secured debt, net	243,171	275,338
Accounts payable and accrued expenses	128,485	129,717
Distributions payable	14,108	26,256
Deferred income, gains and rent	16,041	35,414
Intangible liabilities, net	6,536	7,292
Lease liability - operating leases	23,676	23,546
Other liabilities	14,203	12,587
Total liabilities	2,472,499	2,447,626
Commitments and contingencies (See Note 14)
Brandywine Realty Trust's Equity:
Common Shares of Brandywine Realty Trust's beneficial interest, $0.01 par value; shares authorized 400,000,000; 173,699,039 and 172,665,995 issued and outstanding as of September 30, 2025 and December 31, 2024, respectively	1,734	1,724
Additional paid-in-capital	3,198,013	3,182,621
Deferred compensation payable in common shares	23,069	20,456
Common shares in grantor trust, 1,583,000 and 1,221,333 issued and outstanding as of September 30, 2025 and December 31, 2024, respectively	(23,069)	(20,456)
Cumulative earnings	641,936	783,499
Accumulated other comprehensive income (loss)	(1,556)	2,521
Cumulative distributions	(2,998,577)	(2,931,730)
Total Brandywine Realty Trust's equity	841,550	1,038,635
Noncontrolling interests	5,352	5,952
Total beneficiaries' equity	846,902	1,044,587
Total liabilities and beneficiaries' equity	3,319,401	3,492,213
Unsecured Debt
LIABILITIES AND BENEFICIARIES' EQUITY
Unsecured loans, net	249,288	318,949
Senior Notes
LIABILITIES AND BENEFICIARIES' EQUITY
Unsecured loans, net	$ 1,776,991	$ 1,618,527