CONSOLIDATED BALANCE SHEETS - BRANDYWINE OPERATING PARTNERSHIP, L.P. - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Real estate investments:
Operating properties	$ 3,517,995	$ 3,472,602
Accumulated depreciation	(980,860)	(957,450)
Right of use asset - operating leases, net	20,150	20,313
Operating real estate investments, net	2,557,285	2,535,465
Construction-in-progress	283,323	277,237
Land held for development	94,411	114,604
Prepaid leasehold interests in land held for development, net	27,762	27,762
Total real estate investments, net	2,962,781	2,955,068
Assets held for sale, net	25,205	562
Cash and cash equivalents	39,306	27,463
Accounts receivable	14,214	11,875
Accrued rent receivable, net of allowance of $4,081 and $4,133 as of March 31, 2022 and December 31, 2021, respectively	170,275	167,210
Investment in unconsolidated real estate ventures	461,389	435,506
Deferred costs, net	87,652	86,862
Intangible assets, net	25,580	28,556
Other assets	148,493	133,094
Total assets	3,934,895	3,846,196
LIABILITIES AND EQUITY
Unsecured credit facility	156,000	23,000
Unsecured term loan, net	249,738	249,608
Unsecured senior notes, net	1,580,845	1,580,978
Accounts payable and accrued expenses	130,073	150,151
Distributions payable	32,814	32,765
Deferred income, gains and rent	24,758	23,849
Intangible liabilities, net	12,085	12,981
Lease liability - operating leases	23,014	22,962
Other liabilities	49,705	48,683
Total liabilities	2,259,032	2,144,977
Commitments and contingencies (See Note 15)
Equity:
Accumulated other comprehensive income (loss)	1,920	(2,020)
Total liabilities and beneficiaries' equity	3,934,895	3,846,196
BRANDYWINE OPERATING PARTNERSHIP, L.P.
Real estate investments:
Operating properties	3,517,995	3,472,602
Accumulated depreciation	(980,860)	(957,450)
Right of use asset - operating leases, net	20,150	20,313
Operating real estate investments, net	2,557,285	2,535,465
Construction-in-progress	283,323	277,237
Land held for development	94,411	114,604
Prepaid leasehold interests in land held for development, net	27,762	27,762
Total real estate investments, net	2,962,781	2,955,068
Assets held for sale, net	25,205	562
Cash and cash equivalents	39,306	27,463
Accounts receivable	14,214	11,875
Accrued rent receivable, net of allowance of $4,081 and $4,133 as of March 31, 2022 and December 31, 2021, respectively	170,275	167,210
Investment in unconsolidated real estate ventures	461,389	435,506
Deferred costs, net	87,652	86,862
Intangible assets, net	25,580	28,556
Other assets	148,493	133,094
Total assets	3,934,895	3,846,196
LIABILITIES AND EQUITY
Unsecured credit facility	156,000	23,000
Unsecured term loan, net	249,738	249,608
Unsecured senior notes, net	1,580,845	1,580,978
Accounts payable and accrued expenses	130,073	150,151
Distributions payable	32,814	32,765
Deferred income, gains and rent	24,758	23,849
Intangible liabilities, net	12,085	12,981
Lease liability - operating leases	23,014	22,962
Other liabilities	49,705	48,683
Total liabilities	2,259,032	2,144,977
Commitments and contingencies (See Note 15)
Redeemable limited partnership units at redemption value; 516,467 and 823,983 issued and outstanding as of March 31, 2022 and December 31, 2021, respectively	7,338	11,140
Equity:
General Partnership Capital; 171,383,912 and 171,126,257 units issued and outstanding as of March 31, 2022 and December 31, 2021, respectively	1,664,107	1,689,611
Accumulated other comprehensive income (loss)	1,586	(2,366)
Total Brandywine Operating Partnership, L.P.'s equity	1,665,693	1,687,245
Noncontrolling interest - consolidated real estate ventures	2,832	2,834
Total partners' equity	1,668,525	1,690,079
Total liabilities and beneficiaries' equity	$ 3,934,895	$ 3,846,196