CONSOLIDATED BALANCE SHEETS - BRANDYWINE OPERATING PARTNERSHIP, L.P. - USD ($) $ in Thousands	Jun. 30, 2025	Dec. 31, 2024
Real estate investments:
Operating properties	$ 3,260,497	$ 3,374,780
Accumulated depreciation	(1,206,366)	(1,171,803)
Right of use asset - operating leases, net	18,108	18,412
Operating real estate investments, net	2,072,239	2,221,389
Construction-in-progress	90,950	94,628
Land held for development	74,541	81,318
Prepaid leasehold interests in land held for development, net	27,762	27,762
Total real estate investments, net	2,265,492	2,425,097
Cash and cash equivalents	122,645	90,229
Restricted cash and escrows	1,114	5,948
Accounts receivable	16,262	12,703
Assets held for sale, net	53,886	0
Accrued rent receivable, net of allowance of $670 and $909 as of June 30, 2025 and December 31, 2024, respectively	183,117	184,312
Investment in unconsolidated real estate ventures	555,541	570,455
Deferred costs, net	77,397	84,317
Intangible assets, net	4,222	5,505
Other assets	114,663	113,647
Total assets	3,394,339	3,492,213
LIABILITIES AND PARTNERS' EQUITY
Secured debt, net	286,352	275,338
Accounts payable and accrued expenses	108,653	129,717
Distributions payable	26,457	26,256
Deferred income, gains and rent	17,105	35,414
Intangible liabilities, net	6,701	7,292
Liabilities related to assets held for sale, net	182	0
Lease liability - operating leases	23,634	23,546
Other liabilities	13,976	12,587
Total liabilities	2,509,097	2,447,626
Commitments and contingencies (See Note 14)
Brandywine Operating Partnership, L.P.'s equity:
Accumulated other comprehensive income (loss)	(1,118)	2,521
Total liabilities and beneficiaries' equity	3,394,339	3,492,213
Unsecured Debt
LIABILITIES AND PARTNERS' EQUITY
Unsecured loans, net	249,186	318,949
Senior Notes
LIABILITIES AND PARTNERS' EQUITY
Unsecured loans, net	1,776,851	1,618,527
Brandywine Operating Partnership, L.P.
Real estate investments:
Operating properties	3,260,497	3,374,780
Accumulated depreciation	(1,206,366)	(1,171,803)
Right of use asset - operating leases, net	18,108	18,412
Operating real estate investments, net	2,072,239	2,221,389
Construction-in-progress	90,950	94,628
Land held for development	74,541	81,318
Prepaid leasehold interests in land held for development, net	27,762	27,762
Total real estate investments, net	2,265,492	2,425,097
Cash and cash equivalents	122,645	90,229
Restricted cash and escrows	1,114	5,948
Accounts receivable	16,262	12,703
Assets held for sale, net	53,886	0
Accrued rent receivable, net of allowance of $670 and $909 as of June 30, 2025 and December 31, 2024, respectively	183,117	184,312
Investment in unconsolidated real estate ventures	555,541	570,455
Deferred costs, net	77,397	84,317
Intangible assets, net	4,222	5,505
Other assets	114,663	113,647
Total assets	3,394,339	3,492,213
LIABILITIES AND PARTNERS' EQUITY
Secured debt, net	286,352	275,338
Accounts payable and accrued expenses	108,653	129,717
Distributions payable	26,457	26,256
Deferred income, gains and rent	17,105	35,414
Intangible liabilities, net	6,701	7,292
Liabilities related to assets held for sale, net	182	0
Lease liability - operating leases	23,634	23,546
Other liabilities	13,976	12,587
Total liabilities	2,509,097	2,447,626
Commitments and contingencies (See Note 14)
Redeemable limited partnership units at redemption value; 515,595 and 515,595 issued and outstanding as of June 30, 2025 and December 31, 2024, respectively	2,187	2,870
Brandywine Operating Partnership, L.P.'s equity:
General Partnership Capital; 173,702,177 and 172,665,995 units issued and outstanding as of June 30, 2025 and December 31, 2024, respectively	881,700	1,036,712
Accumulated other comprehensive income (loss)	(1,461)	2,190
Total Brandywine Operating Partnership, L.P.'s equity	880,239	1,038,902
Noncontrolling interest - consolidated real estate ventures	2,815	2,815
Total partners' equity	883,054	1,041,717
Total liabilities and beneficiaries' equity	3,394,338	3,492,213
Brandywine Operating Partnership, L.P. | Unsecured Debt
LIABILITIES AND PARTNERS' EQUITY
Unsecured loans, net	249,186	318,949
Brandywine Operating Partnership, L.P. | Senior Notes
LIABILITIES AND PARTNERS' EQUITY
Unsecured loans, net	$ 1,776,851	$ 1,618,527