Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Real estate investments:
Operating properties	$ 4,004,118	$ 4,006,459
Accumulated depreciation	(992,997)	(973,318)
Right of use asset - operating leases, net	21,485	21,656
Operating real estate investments, net	3,032,606	3,054,797
Construction-in-progress	193,160	180,718
Land held for development	108,213	96,124
Prepaid leasehold interests in land held for development, net	39,490	39,592
Total real estate investments, net	3,373,469	3,371,231
Assets held for sale, net	10,698	7,349
Cash and cash equivalents	52,702	90,499
Accounts receivable, net of allowance of $284 as of both March 31, 2020 and December 31, 2019	16,928	16,363
Accrued rent receivable, net of allowance of $7,484 and $7,691 as of March 31, 2020 and December 31, 2019, respectively	175,277	174,144
Investment in Real Estate Ventures	119,998	120,294
Deferred costs, net	94,336	95,560
Intangible assets, net	75,670	84,851
Other assets	126,264	115,678
Total assets	4,045,342	4,075,969
LIABILITIES AND EQUITY
Mortgage notes payable, net	312,001	313,812
Unsecured credit facility	50,000	0
Unsecured term loan, net	248,692	248,561
Unsecured senior notes, net	1,581,907	1,582,045
Accounts payable and accrued expenses	109,755	113,347
Distributions payable	32,692	33,815
Deferred income, gains and rent	34,673	35,284
Intangible liabilities, net	20,605	22,263
Lease liability - operating leases	22,606	22,554
Other liabilities	28,597	15,985
Total liabilities	2,441,528	2,387,666
Commitments and contingencies (See Note 15)
Equity:
Common Shares of Brandywine Realty Trust's beneficial interest, $0.01 par value; shares authorized 400,000,000; 170,965,987 and 176,480,095 issued and outstanding as of March 31, 2020 and December 31, 2019, respectively	1,710	1,766
Additional paid-in-capital	3,140,194	3,192,158
Deferred compensation payable in common shares	17,012	16,216
Common shares in grantor trust, 1,117,783 and 1,105,542 issued and outstanding as of March 31, 2020 and December 31, 2019, respectively	(17,012)	(16,216)
Cumulative earnings	812,578	804,556
Accumulated other comprehensive loss	(10,195)	(2,370)
Cumulative distributions	(2,350,733)	(2,318,233)
Total Brandywine Realty Trust's equity	1,593,554	1,677,877
Noncontrolling interests	10,260	10,426
Total beneficiaries' equity	1,603,814	1,688,303
Total liabilities and beneficiaries' equity	4,045,342	4,075,969
BRANDYWINE OPERATING PARTNERSHIP, L.P.
Real estate investments:
Operating properties	4,004,118	4,006,459
Accumulated depreciation	(992,997)	(973,318)
Right of use asset - operating leases, net	21,485	21,656
Operating real estate investments, net	3,032,606	3,054,797
Construction-in-progress	193,160	180,718
Land held for development	108,213	96,124
Prepaid leasehold interests in land held for development, net	39,490	39,592
Total real estate investments, net	3,373,469	3,371,231
Assets held for sale, net	10,698	7,349
Cash and cash equivalents	52,702	90,499
Accounts receivable, net of allowance of $284 as of both March 31, 2020 and December 31, 2019	16,928	16,363
Accrued rent receivable, net of allowance of $7,484 and $7,691 as of March 31, 2020 and December 31, 2019, respectively	175,277	174,144
Investment in Real Estate Ventures	119,998	120,294
Deferred costs, net	94,336	95,560
Intangible assets, net	75,670	84,851
Other assets	126,264	115,678
Total assets	4,045,342	4,075,969
LIABILITIES AND EQUITY
Mortgage notes payable, net	312,001	313,812
Unsecured credit facility	50,000	0
Unsecured term loan, net	248,692	248,561
Unsecured senior notes, net	1,581,907	1,582,045
Accounts payable and accrued expenses	109,755	113,347
Distributions payable	32,692	33,815
Deferred income, gains and rent	34,673	35,284
Intangible liabilities, net	20,605	22,263
Lease liability - operating leases	22,606	22,554
Other liabilities	28,597	15,985
Total liabilities	2,441,528	2,387,666
Commitments and contingencies (See Note 15)
Redeemable limited partnership units at redemption value; 981,634 issued and outstanding as of March 31, 2020 and December 31, 2019, respectively	9,981	15,388
Equity:
General Partnership Capital; 170,965,987 and 176,480,095 units issued and outstanding as of March 31, 2020 and December 31, 2019, respectively	1,603,314	1,674,539
Accumulated other comprehensive loss	(10,584)	(2,715)
Total Brandywine Operating Partnership, L.P.'s equity	1,592,730	1,671,824
Noncontrolling interest - consolidated real estate ventures	1,103	1,091
Total partners' equity	1,593,833	1,672,915
Total liabilities and beneficiaries' equity	$ 4,045,342	$ 4,075,969