CONSOLIDATED BALANCE SHEETS - BRANDYWINE OPERATING PARTNERSHIP, L.P. - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023
Real estate investments:
Operating properties	$ 3,409,605	$ 3,542,232
Accumulated depreciation	(1,156,992)	(1,131,792)
Right of use asset - operating leases, net	18,565	19,031
Operating real estate investments, net	2,271,178	2,429,471
Construction-in-progress	166,278	135,529
Land held for development	78,259	82,510
Prepaid leasehold interests in land held for development, net	27,762	27,762
Total real estate investments, net	2,543,477	2,675,272
Cash and cash equivalents	36,498	58,319
Restricted cash and escrows	6,195	9,215
Accounts receivable	8,669	11,977
Accrued rent receivable, net of allowance of $1,332 and $2,672 as of September 30, 2024 and December 31, 2023, respectively	187,873	186,708
Investment in unconsolidated real estate ventures	602,700	601,227
Deferred costs, net	86,390	95,984
Intangible assets, net	6,249	7,694
Other assets	121,509	86,051
Total assets	3,599,560	3,732,447
LIABILITIES AND PARTNERS' EQUITY
Secured debt, net	272,181	255,671
Unsecured credit facility	40,000	0
Unsecured term loans, net	331,797	318,499
Unsecured senior notes, net	1,617,795	1,564,662
Accounts payable and accrued expenses	137,406	123,825
Distributions payable	26,230	26,017
Deferred income, gains and rent	21,453	24,248
Intangible liabilities, net	7,558	8,270
Lease liability - operating leases	23,502	23,369
Other liabilities	16,908	63,729
Total liabilities	2,494,830	2,408,290
Commitments and contingencies (See Note 14)
Brandywine Operating Partnership, L.P.'s equity:
Accumulated other comprehensive loss	(3,773)	(668)
Total liabilities and beneficiaries' equity	3,599,560	3,732,447
BRANDYWINE OPERATING PARTNERSHIP, L.P.
Real estate investments:
Operating properties	3,409,605	3,542,232
Accumulated depreciation	(1,156,992)	(1,131,792)
Right of use asset - operating leases, net	18,565	19,031
Operating real estate investments, net	2,271,178	2,429,471
Construction-in-progress	166,278	135,529
Land held for development	78,259	82,510
Prepaid leasehold interests in land held for development, net	27,762	27,762
Total real estate investments, net	2,543,477	2,675,272
Cash and cash equivalents	36,498	58,319
Restricted cash and escrows	6,195	9,215
Accounts receivable	8,669	11,977
Accrued rent receivable, net of allowance of $1,332 and $2,672 as of September 30, 2024 and December 31, 2023, respectively	187,873	186,708
Investment in unconsolidated real estate ventures	602,700	601,227
Deferred costs, net	86,390	95,984
Intangible assets, net	6,249	7,694
Other assets	121,509	86,051
Total assets	3,599,560	3,732,447
LIABILITIES AND PARTNERS' EQUITY
Secured debt, net	272,181	255,671
Unsecured credit facility	40,000	0
Unsecured term loans, net	331,797	318,499
Unsecured senior notes, net	1,617,795	1,564,662
Accounts payable and accrued expenses	137,406	123,825
Distributions payable	26,230	26,017
Deferred income, gains and rent	21,453	24,248
Intangible liabilities, net	7,558	8,270
Lease liability - operating leases	23,502	23,369
Other liabilities	16,908	63,729
Total liabilities	2,494,830	2,408,290
Commitments and contingencies (See Note 14)
Redeemable limited partnership units at redemption value; 515,595 and 515,595 issued and outstanding as of September 30, 2024 and December 31, 2023, respectively	2,773	2,785
Brandywine Operating Partnership, L.P.'s equity:
General Partnership Capital; 172,665,995 and 172,097,661 units issued and outstanding as of September 30, 2024 and December 31, 2023, respectively	1,103,266	1,319,572
Accumulated other comprehensive loss	(4,122)	(1,010)
Total Brandywine Operating Partnership, L.P.'s equity	1,099,144	1,318,562
Noncontrolling interest - consolidated real estate ventures	2,813	2,810
Total partners' equity	1,101,957	1,321,372
Total liabilities and beneficiaries' equity	$ 3,599,560	$ 3,732,447