Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Real estate investments:
Operating properties	$ 3,650,521	$ 4,006,459
Accumulated depreciation	(957,189)	(973,318)
Right of use asset - operating leases, net	21,315	21,656
Operating real estate investments, net	2,714,647	3,054,797
Construction-in-progress	235,475	180,718
Land held for development	112,420	96,124
Prepaid leasehold interests in land held for development, net	39,389	39,592
Total real estate investments, net	3,101,931	3,371,231
Assets held for sale, net	300,483	7,349
Cash and cash equivalents	44,819	90,499
Accounts receivable, net of allowance of $0 and $284 as of June 30, 2020 and December 31, 2019, respectively	18,823	16,363
Accrued rent receivable, net of allowance of $6,844 and $7,691 as of June 30, 2020 and December 31, 2019, respectively	177,124	174,144
Investment in Real Estate Ventures	118,558	120,294
Deferred costs, net	87,811	95,560
Intangible assets, net	55,262	84,851
Other assets	117,959	115,678
Total assets	4,022,770	4,075,969
LIABILITIES AND EQUITY
Mortgage notes payable, net	89,435	313,812
Unsecured credit facility	61,000	0
Unsecured term loan, net	248,823	248,561
Unsecured senior notes, net	1,581,777	1,582,045
Accounts payable and accrued expenses	113,826	113,347
Distributions payable	32,747	33,815
Deferred income, gains and rent	24,984	35,284
Intangible liabilities, net	18,577	22,263
Liabilities related to assets held for sale, net	225,993	0
Lease liability - operating leases	22,655	22,554
Other liabilities	32,104	15,985
Total liabilities	2,451,921	2,387,666
Commitments and contingencies (See Note 14)
Equity:
Common Shares of Brandywine Realty Trust's beneficial interest, $0.01 par value; shares authorized 400,000,000; 170,573,159 and 176,480,095 issued and outstanding as of June 30, 2020 and December 31, 2019, respectively	1,707	1,766
Additional paid-in-capital	3,135,590	3,192,158
Deferred compensation payable in common shares	17,516	16,216
Common shares in grantor trust, 1,160,689 and 1,105,542 issued and outstanding as of June 30, 2020 and December 31, 2019, respectively	(17,516)	(16,216)
Cumulative earnings	816,574	804,556
Accumulated other comprehensive loss	(9,970)	(2,370)
Cumulative distributions	(2,383,273)	(2,318,233)
Total Brandywine Realty Trust's equity	1,560,628	1,677,877
Noncontrolling interests	10,221	10,426
Total beneficiaries' equity	1,570,849	1,688,303
Total liabilities and beneficiaries' equity	4,022,770	4,075,969
BRANDYWINE OPERATING PARTNERSHIP, L.P.
Real estate investments:
Operating properties	3,650,521	4,006,459
Accumulated depreciation	(957,189)	(973,318)
Right of use asset - operating leases, net	21,315	21,656
Operating real estate investments, net	2,714,647	3,054,797
Construction-in-progress	235,475	180,718
Land held for development	112,420	96,124
Prepaid leasehold interests in land held for development, net	39,389	39,592
Total real estate investments, net	3,101,931	3,371,231
Assets held for sale, net	300,483	7,349
Cash and cash equivalents	44,819	90,499
Accounts receivable, net of allowance of $0 and $284 as of June 30, 2020 and December 31, 2019, respectively	18,823	16,363
Accrued rent receivable, net of allowance of $6,844 and $7,691 as of June 30, 2020 and December 31, 2019, respectively	177,124	174,144
Investment in Real Estate Ventures	118,558	120,294
Deferred costs, net	87,811	95,560
Intangible assets, net	55,262	84,851
Other assets	117,959	115,678
Total assets	4,022,770	4,075,969
LIABILITIES AND EQUITY
Mortgage notes payable, net	89,435	313,812
Unsecured credit facility	61,000	0
Unsecured term loan, net	248,823	248,561
Unsecured senior notes, net	1,581,777	1,582,045
Accounts payable and accrued expenses	113,826	113,347
Distributions payable	32,747	33,815
Deferred income, gains and rent	24,984	35,284
Intangible liabilities, net	18,577	22,263
Liabilities related to assets held for sale, net	225,993	0
Lease liability - operating leases	22,655	22,554
Other liabilities	32,104	15,985
Total liabilities	2,451,921	2,387,666
Commitments and contingencies (See Note 14)
Redeemable limited partnership units at redemption value; 981,634 issued and outstanding as of June 30, 2020 and December 31, 2019, respectively	10,537	15,388
Equity:
General Partnership Capital; 170,573,159 and 176,480,095 units issued and outstanding as of June 30, 2020 and December 31, 2019, respectively	1,569,557	1,674,539
Accumulated other comprehensive loss	(10,358)	(2,715)
Total Brandywine Operating Partnership, L.P.'s equity	1,559,199	1,671,824
Noncontrolling interest - consolidated real estate ventures	1,113	1,091
Total partners' equity	1,560,312	1,672,915
Total liabilities and beneficiaries' equity	$ 4,022,770	$ 4,075,969