CONSOLIDATED BALANCE SHEETS - BRANDYWINE OPERATING PARTNERSHIP, L.P. - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Real estate investments:
Operating properties	$ 3,617,240	$ 3,472,602
Accumulated depreciation	(1,063,060)	(957,450)
Right of use asset - operating leases, net	19,664	20,313
Operating real estate investments, net	2,573,844	2,535,465
Construction-in-progress	218,869	277,237
Land held for development	76,499	114,604
Prepaid leasehold interests in land held for development, net	35,576	27,762
Total real estate investments, net	2,904,788	2,955,068
Assets held for sale, net	0	562
Cash and cash equivalents	17,551	27,463
Accounts receivable	11,003	11,875
Accrued rent receivable, net of allowance of $3,947 and $4,133 as of December 31, 2022 and December 31, 2021, respectively	179,771	167,210
Investment in unconsolidated real estate ventures	567,635	435,506
Deferred costs, net	96,639	86,862
Intangible assets, net	18,451	28,556
Other assets	78,667	133,094
Total assets	3,874,505	3,846,196
LIABILITIES AND BENEFICIARIES' EQUITY
Unsecured credit facility	88,500	23,000
Unsecured term loan, net	248,168	249,608
Unsecured senior notes, net	1,628,370	1,580,978
Accounts payable and accrued expenses	132,440	150,151
Distributions payable	32,792	32,765
Deferred income, gains and rent	25,082	23,849
Intangible liabilities, net	10,322	12,981
Lease liability - operating leases	23,166	22,962
Other liabilities	52,331	48,683
Total liabilities	2,241,171	2,144,977
Commitments and contingencies (See Note 20)
Brandywine Operating Partnership, L.P.'s equity:
Accumulated other comprehensive income (loss)	3,897	(2,020)
Total liabilities and partners' equity	3,874,505	3,846,196
BRANDYWINE OPERATING PARTNERSHIP, L.P.
Real estate investments:
Operating properties	3,617,240	3,472,602
Accumulated depreciation	(1,063,060)	(957,450)
Right of use asset - operating leases, net	19,664	20,313
Operating real estate investments, net	2,573,844	2,535,465
Construction-in-progress	218,869	277,237
Land held for development	76,499	114,604
Prepaid leasehold interests in land held for development, net	35,576	27,762
Total real estate investments, net	2,904,788	2,955,068
Assets held for sale, net	0	562
Cash and cash equivalents	17,551	27,463
Accounts receivable	11,003	11,875
Accrued rent receivable, net of allowance of $3,947 and $4,133 as of December 31, 2022 and December 31, 2021, respectively	179,771	167,210
Investment in unconsolidated real estate ventures	567,635	435,506
Deferred costs, net	96,639	86,862
Intangible assets, net	18,451	28,556
Other assets	78,667	133,094
Total assets	3,874,505	3,846,196
LIABILITIES AND BENEFICIARIES' EQUITY
Unsecured credit facility	88,500	23,000
Unsecured term loan, net	248,168	249,608
Unsecured senior notes, net	1,628,370	1,580,978
Accounts payable and accrued expenses	132,440	150,151
Distributions payable	32,792	32,765
Deferred income, gains and rent	25,082	23,849
Intangible liabilities, net	10,322	12,981
Lease liability - operating leases	23,166	22,962
Other liabilities	52,331	48,683
Total liabilities	2,241,171	2,144,977
Commitments and contingencies (See Note 20)
Redeemable limited partnership units at redemption value; 516,467 and 823,983 issued and outstanding as of December 31, 2022 and December 31, 2021, respectively	3,195	11,140
Brandywine Operating Partnership, L.P.'s equity:
General Partnership Capital; 171,569,807 and 171,126,257 units issued and outstanding as of December 31, 2022 and December 31, 2021, respectively	1,623,738	1,689,611
Accumulated other comprehensive income (loss)	3,569	(2,366)
Total Brandywine Operating Partnership, L.P.'s equity	1,627,307	1,687,245
Noncontrolling interest - consolidated real estate ventures	2,832	2,834
Total partners' equity	1,630,139	1,690,079
Total liabilities and partners' equity	$ 3,874,505	$ 3,846,196