CONSOLIDATED BALANCE SHEETS - BRANDYWINE OPERATING PARTNERSHIP, L.P. - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Real estate investments:
Operating properties	$ 3,597,211	$ 3,617,240
Accumulated depreciation	(1,125,145)	(1,063,060)
Right of use asset - operating leases, net	19,346	19,664
Operating real estate investments, net	2,491,412	2,573,844
Construction-in-progress	245,677	218,869
Land held for development	71,493	76,499
Prepaid leasehold interests in land held for development, net	27,762	35,576
Total real estate investments, net	2,836,344	2,904,788
Assets held for sale, net	52,664	0
Cash and cash equivalents	32,111	17,551
Restricted cash and escrows	10,876	0
Accounts receivable	11,654	11,003
Accrued rent receivable, net of allowance of $3,778 and $3,947 as of June 30, 2023 and December 31, 2022, respectively	183,191	179,771
Investment in unconsolidated real estate ventures	630,505	567,635
Deferred costs, net	95,102	96,639
Intangible assets, net	11,676	18,451
Other assets	90,362	78,667
Total assets	3,954,485	3,874,505
LIABILITIES AND PARTNERS' EQUITY
Mortgage notes payable, net	241,383	0
Unsecured credit facility	0	88,500
Unsecured term loan, net	318,065	248,168
Unsecured senior notes, net	1,574,373	1,628,370
Accounts payable and accrued expenses	116,913	132,440
Distributions payable	32,957	32,792
Deferred income, gains and rent	24,786	25,082
Intangible liabilities, net	8,811	10,322
Liabilities related to assets held for sale, net	1,041	0
Lease liability - operating leases	23,268	23,166
Other liabilities	56,228	52,331
Total liabilities	2,397,825	2,241,171
Commitments and contingencies (See Note 14)
Brandywine Operating Partnership, L.P.'s equity:
Accumulated other comprehensive income	5,216	3,897
Total liabilities and beneficiaries' equity	3,954,485	3,874,505
BRANDYWINE OPERATING PARTNERSHIP, L.P.
Real estate investments:
Operating properties	3,597,211	3,617,240
Accumulated depreciation	(1,125,145)	(1,063,060)
Right of use asset - operating leases, net	19,346	19,664
Operating real estate investments, net	2,491,412	2,573,844
Construction-in-progress	245,677	218,869
Land held for development	71,493	76,499
Prepaid leasehold interests in land held for development, net	27,762	35,576
Total real estate investments, net	2,836,344	2,904,788
Assets held for sale, net	52,664	0
Cash and cash equivalents	32,111	17,551
Restricted cash and escrows	10,876	0
Accounts receivable	11,654	11,003
Accrued rent receivable, net of allowance of $3,778 and $3,947 as of June 30, 2023 and December 31, 2022, respectively	183,191	179,771
Investment in unconsolidated real estate ventures	630,505	567,635
Deferred costs, net	95,102	96,639
Intangible assets, net	11,676	18,451
Other assets	90,362	78,667
Total assets	3,954,485	3,874,505
LIABILITIES AND PARTNERS' EQUITY
Mortgage notes payable, net	241,383	0
Unsecured credit facility	0	88,500
Unsecured term loan, net	318,065	248,168
Unsecured senior notes, net	1,574,373	1,628,370
Accounts payable and accrued expenses	116,913	132,440
Distributions payable	32,957	32,792
Deferred income, gains and rent	24,786	25,082
Intangible liabilities, net	8,811	10,322
Liabilities related to assets held for sale, net	1,041	0
Lease liability - operating leases	23,268	23,166
Other liabilities	56,228	52,331
Total liabilities	2,397,825	2,241,171
Commitments and contingencies (See Note 14)
Redeemable limited partnership units at redemption value; 516,467 and 516,467 issued and outstanding as of June 30, 2023 and December 31, 2022, respectively	2,318	3,195
Brandywine Operating Partnership, L.P.'s equity:
General Partnership Capital; $172,101,929 and 171,569,807 units issued and outstanding as of June 30, 2023 and December 31, 2022, respectively	1,546,587	1,623,738
Accumulated other comprehensive income	4,924	3,569
Total Brandywine Operating Partnership, L.P.'s equity	1,551,511	1,627,307
Noncontrolling interest - consolidated real estate ventures	2,831	2,832
Total partners' equity	1,554,342	1,630,139
Total liabilities and beneficiaries' equity	$ 3,954,485	$ 3,874,505