CONSOLIDATED BALANCE SHEETS - BRANDYWINE OPERATING PARTNERSHIP, L.P. - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Real estate investments:
Operating properties	$ 3,542,232	$ 3,617,240
Accumulated depreciation	(1,131,792)	(1,063,060)
Right of use asset - operating leases, net	19,031	19,664
Operating real estate investments, net	2,429,471	2,573,844
Construction-in-progress	135,529	218,869
Land held for development	82,510	76,499
Prepaid leasehold interests in land held for development, net	27,762	35,576
Total real estate investments, net	2,675,272	2,904,788
Cash and cash equivalents	58,319	17,551
Restricted cash and escrows	9,215	0
Accounts receivable	11,977	11,003
Accrued rent receivable, net of allowance of $2,672 and $3,947 as of December 31, 2023 and December 31, 2022, respectively	186,708	179,771
Investment in unconsolidated real estate ventures	601,227	567,635
Deferred costs, net	95,984	96,639
Intangible assets, net	7,694	18,451
Other assets	86,051	78,667
Total assets	3,732,447	3,874,505
LIABILITIES AND PARTNERS' EQUITY
Secured term loan, net	255,671	0
Unsecured credit facility	0	88,500
Unsecured term loan, net	318,499	248,168
Unsecured senior notes, net	1,564,662	1,628,370
Accounts payable and accrued expenses	123,825	132,440
Distributions payable	26,017	32,792
Deferred income, gains and rent	24,248	25,082
Intangible liabilities, net	8,270	10,322
Lease liability - operating leases	23,369	23,166
Other liabilities	63,729	52,331
Total liabilities	2,408,290	2,241,171
Commitments and contingencies (See Note 20)
Brandywine Operating Partnership, L.P.'s equity:
Accumulated other comprehensive income (loss)	(668)	3,897
Total liabilities and beneficiaries' equity	3,732,447	3,874,505
BRANDYWINE OPERATING PARTNERSHIP, L.P.
Real estate investments:
Operating properties	3,542,232	3,617,240
Accumulated depreciation	(1,131,792)	(1,063,060)
Right of use asset - operating leases, net	19,031	19,664
Operating real estate investments, net	2,429,471	2,573,844
Construction-in-progress	135,529	218,869
Land held for development	82,510	76,499
Prepaid leasehold interests in land held for development, net	27,762	35,576
Total real estate investments, net	2,675,272	2,904,788
Cash and cash equivalents	58,319	17,551
Accounts receivable	11,977	11,003
Accrued rent receivable, net of allowance of $2,672 and $3,947 as of December 31, 2023 and December 31, 2022, respectively	186,708	179,771
Investment in unconsolidated real estate ventures	601,227	567,635
Deferred costs, net	95,984	96,639
Intangible assets, net	7,694	18,451
Other assets	86,051	78,667
Total assets	3,732,447	3,874,505
LIABILITIES AND PARTNERS' EQUITY
Secured term loan, net	255,671	0
Unsecured credit facility	0	88,500
Unsecured term loan, net	318,499	248,168
Unsecured senior notes, net	1,564,662	1,628,370
Accounts payable and accrued expenses	123,825	132,440
Distributions payable	26,017	32,792
Deferred income, gains and rent	24,248	25,082
Intangible liabilities, net	8,270	10,322
Lease liability - operating leases	23,369	23,166
Other liabilities	63,729	52,331
Total liabilities	2,408,290	2,241,171
Commitments and contingencies (See Note 20)
Redeemable limited partnership units at redemption value; 515,595 and 516,467 issued and outstanding as of December 31, 2023 and December 31, 2022, respectively	2,785	3,195
Brandywine Operating Partnership, L.P.'s equity:
General Partnership Capital; 172,097,661 and 171,569,807 units issued and outstanding as of December 31, 2023 and December 31, 2022, respectively	1,319,572	1,623,738
Accumulated other comprehensive income (loss)	(1,010)	3,569
Total Brandywine Operating Partnership, L.P.'s equity	1,318,562	1,627,307
Noncontrolling interest - consolidated real estate ventures	2,810	2,832
Total partners' equity	1,321,372	1,630,139
Total liabilities and beneficiaries' equity	$ 3,732,447	$ 3,874,505