CONSOLIDATED BALANCE SHEETS - BRANDYWINE OPERATING PARTNERSHIP, L.P. - USD ($) $ in Thousands	Mar. 31, 2025	Dec. 31, 2024
Real estate investments:
Operating properties	$ 3,405,048	$ 3,374,780
Accumulated depreciation	(1,200,058)	(1,171,803)
Right of use asset - operating leases, net	18,259	18,412
Operating real estate investments, net	2,223,249	2,221,389
Construction-in-progress	78,021	94,628
Land held for development	82,536	81,318
Prepaid leasehold interests in land held for development, net	27,762	27,762
Total real estate investments, net	2,411,568	2,425,097
Cash and cash equivalents	29,428	90,229
Restricted cash and escrows	2,045	5,948
Accounts receivable	13,573	12,703
Accrued rent receivable, net of allowance of $867 and $909 as of March 31, 2025 and December 31, 2024, respectively	185,957	184,312
Investment in unconsolidated real estate ventures	570,370	570,455
Deferred costs, net	82,051	84,317
Intangible assets, net	5,028	5,505
Other assets	123,766	113,647
Total assets	3,423,786	3,492,213
LIABILITIES AND PARTNERS' EQUITY
Secured debt, net	281,166	275,338
Unsecured credit facility	65,000	0
Unsecured term loans, net	249,084	318,949
Unsecured senior notes, net	1,619,260	1,618,527
Accounts payable and accrued expenses	118,454	129,717
Distributions payable	26,487	26,256
Deferred income, gains and rent	21,293	35,414
Intangible liabilities, net	7,080	7,292
Lease liability - operating leases	23,591	23,546
Other liabilities	12,975	12,587
Total liabilities	2,424,390	2,447,626
Commitments and contingencies (See Note 15)
Brandywine Operating Partnership, L.P.'s equity:
Accumulated other comprehensive income (loss)	(23)	2,521
Total liabilities and beneficiaries' equity	3,423,786	3,492,213
Brandywine Operating Partnership, L.P.
Real estate investments:
Operating properties	3,405,048	3,374,780
Accumulated depreciation	(1,200,058)	(1,171,803)
Right of use asset - operating leases, net	18,259	18,412
Operating real estate investments, net	2,223,249	2,221,389
Construction-in-progress	78,021	94,628
Land held for development	82,536	81,318
Prepaid leasehold interests in land held for development, net	27,762	27,762
Total real estate investments, net	2,411,568	2,425,097
Cash and cash equivalents	29,428	90,229
Restricted cash and escrows	2,045	5,948
Accounts receivable	13,573	12,703
Accrued rent receivable, net of allowance of $867 and $909 as of March 31, 2025 and December 31, 2024, respectively	185,957	184,312
Investment in unconsolidated real estate ventures	570,370	570,455
Deferred costs, net	82,051	84,317
Intangible assets, net	5,028	5,505
Other assets	123,766	113,647
Total assets	3,423,786	3,492,213
LIABILITIES AND PARTNERS' EQUITY
Secured debt, net	281,166	275,338
Unsecured credit facility	65,000	0
Unsecured term loans, net	249,084	318,949
Unsecured senior notes, net	1,619,260	1,618,527
Accounts payable and accrued expenses	118,454	129,717
Distributions payable	26,487	26,256
Deferred income, gains and rent	21,293	35,414
Intangible liabilities, net	7,080	7,292
Lease liability - operating leases	23,591	23,546
Other liabilities	12,975	12,587
Total liabilities	2,424,390	2,447,626
Commitments and contingencies (See Note 15)
Redeemable limited partnership units at redemption value; 515,595 and 515,595 issued and outstanding as of March 31, 2025 and December 31, 2024, respectively	2,317	2,870
Brandywine Operating Partnership, L.P.'s equity:
General Partnership Capital; 173,050,963 and 172,665,995 units issued and outstanding as of March 31, 2025 and December 31, 2024, respectively	994,626	1,036,712
Accumulated other comprehensive income (loss)	(362)	2,190
Total Brandywine Operating Partnership, L.P.'s equity	994,264	1,038,902
Noncontrolling interest - consolidated real estate ventures	2,815	2,815
Total partners' equity	997,079	1,041,717
Total liabilities and beneficiaries' equity	$ 3,423,786	$ 3,492,213