Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016
Real estate investments:
Operating properties	$ 3,702,204	$ 3,586,295
Accumulated depreciation	(864,196)	(852,476)
Operating real estate investments, net	2,838,008	2,733,819
Construction-in-progress	166,372	297,462
Land held for development	153,268	150,970
Total real estate investments, net	3,157,648	3,182,251
Assets held for sale, net	6,262	41,718
Cash and cash equivalents	234,654	193,919
Accounts receivable, net of allowance of $2,622 and $2,373 in 2017 and 2016, respectively	12,099	12,446
Accrued rent receivable, net of allowance of $13,703 and $13,743 in 2017 and 2016, respectively	152,819	149,624
Investment in Real Estate Ventures, equity method	264,941	281,331
Deferred costs, net	92,425	91,342
Intangible assets, net	64,222	72,478
Other assets	116,792	74,104
Total assets	4,101,862	4,099,213
LIABILITIES AND EQUITY
Mortgage notes payable, net	320,484	321,549
Unsecured term loans, net	248,181	248,099
Unsecured senior notes, net	1,444,006	1,443,464
Accounts payable and accrued expenses	115,079	103,404
Distributions payable	30,047	30,032
Deferred income, gains and rent	30,592	31,620
Acquired lease intangibles, net	16,604	18,119
Liabilities related to assets held for sale	387	81
Other liabilities	16,916	19,408
Total liabilities	2,222,296	2,215,776
Commitments and contingencies
Equity:
6.90% Series E Preferred Shares, $0.01 par value; issued and outstanding- 4,000,000 in 2017 and 2016	40	40
Common Shares of Brandywine Realty Trust's beneficial interest, $0.01 par value; shares authorized 400,000,000; 175,202,404 and 175,140,760 issued and outstanding in 2017 and 2016, respectively	1,752	1,752
Additional paid-in-capital	3,262,459	3,258,870
Deferred compensation payable in common shares	14,244	13,684
Common shares in grantor trust, 936,939 in 2017, 899,457 in 2016	(14,244)	(13,684)
Cumulative earnings	560,422	539,319
Accumulated other comprehensive loss	(457)	(1,745)
Cumulative distributions	(1,961,739)	(1,931,892)
Total Brandywine Realty Trust's equity	1,862,477	1,866,344
Non-controlling interests	17,089	17,093
Total beneficiaries' equity	1,879,566	1,883,437
Total liabilities and beneficiaries' equity	4,101,862	4,099,213
BRANDYWINE OPERATING PARTNERSHIP, L.P.
Real estate investments:
Operating properties	3,702,204	3,586,295
Accumulated depreciation	(864,196)	(852,476)
Operating real estate investments, net	2,838,008	2,733,819
Construction-in-progress	166,372	297,462
Land held for development	153,268	150,970
Total real estate investments, net	3,157,648	3,182,251
Assets held for sale, net	6,262	41,718
Cash and cash equivalents	234,654	193,919
Accounts receivable, net of allowance of $2,622 and $2,373 in 2017 and 2016, respectively	12,099	12,446
Accrued rent receivable, net of allowance of $13,703 and $13,743 in 2017 and 2016, respectively	152,819	149,624
Investment in Real Estate Ventures, equity method	264,941	281,331
Deferred costs, net	92,425	91,342
Intangible assets, net	64,222	72,478
Other assets	116,792	74,104
Total assets	4,101,862	4,099,213
LIABILITIES AND EQUITY
Mortgage notes payable, net	320,484	321,549
Unsecured term loans, net	248,181	248,099
Unsecured senior notes, net	1,444,006	1,443,464
Accounts payable and accrued expenses	115,079	103,404
Distributions payable	30,047	30,032
Deferred income, gains and rent	30,592	31,620
Acquired lease intangibles, net	16,604	18,119
Liabilities related to assets held for sale	387	81
Other liabilities	16,916	19,408
Total liabilities	2,222,296	2,215,776
Commitments and contingencies
Redeemable limited partnership units at redemption value; 1,479,799 issued and outstanding in 2017 and 2016	23,899	23,795
Equity:
6.90% Series E Preferred Shares, $0.01 par value; issued and outstanding- 4,000,000 in 2017 and 2016	96,850	96,850
General Partnership Capital 175,101,033 and 174,688,568 units issued and outstanding in 2016 and 2015, respectively	1,757,455	1,762,764
Accumulated other comprehensive loss	(822)	(2,122)
Total Brandywine Operating Partnership, L.P.'s equity	1,853,483	1,857,492
Non-controlling interest - consolidated real estate ventures	2,184	2,150
Total partners' equity	1,855,667	1,859,642
Total liabilities and beneficiaries' equity	$ 4,101,862	$ 4,099,213