Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Real estate investments:
Operating properties	$ 3,769,067	$ 3,586,295
Accumulated depreciation	(885,438)	(852,476)
Operating real estate investments, net	2,883,629	2,733,819
Construction-in-progress	127,141	297,462
Land held for development	120,696	150,970
Total real estate investments, net	3,131,466	3,182,251
Assets held for sale, net	31,125	41,718
Cash and cash equivalents	25,287	193,919
Accounts receivable, net of allowance of $3,294 and $2,373 as of September 30, 2017 and December 31, 2016, respectively	14,785	12,446
Accrued rent receivable, net of allowance of $13,731 and $13,743 as of September 30, 2017 and December 31, 2016, respectively	166,093	149,624
Investment in Real Estate Ventures, equity method	236,313	281,331
Deferred costs, net	96,980	91,342
Intangible assets, net	58,817	72,478
Other assets	94,553	74,104
Total assets	3,855,419	4,099,213
LIABILITIES AND EQUITY
Mortgage notes payable, net	318,317	321,549
Unsecured credit facility	178,000	0
Unsecured term loans, net	248,347	248,099
Unsecured senior notes, net	1,144,976	1,443,464
Accounts payable and accrued expenses	112,413	103,404
Distributions payable	28,391	30,032
Deferred income, gains and rent	41,468	31,620
Acquired lease intangibles, net	17,156	18,119
Liabilities related to assets held for sale	269	81
Other liabilities	15,512	19,408
Total liabilities	2,104,849	2,215,776
Commitments and contingencies
Equity:
6.90% Series E Preferred Shares, $0.01 par value; issued and outstanding- 0 as of September 30, 2017 and 4,000,000 as of December 31, 2016	0	40
Common Shares of Brandywine Realty Trust's beneficial interest, $0.01 par value; shares authorized 400,000,000; 175,477,498 and 175,140,760 issued and outstanding as of September 30, 2017 and December 31, 2016, respectively	1,755	1,752
Additional paid-in-capital	3,167,481	3,258,870
Deferred compensation payable in common shares	14,090	13,684
Common shares in grantor trust, 1,000,966 as of September 30, 2017, 899,457 as of December 31, 2016	(14,090)	(13,684)
Cumulative earnings	586,954	539,319
Accumulated other comprehensive loss	(906)	(1,745)
Cumulative distributions	(2,021,568)	(1,931,892)
Total Brandywine Realty Trust's equity	1,733,716	1,866,344
Non-controlling interests	16,854	17,093
Total beneficiaries' equity	1,750,570	1,883,437
Total liabilities and beneficiaries' equity	3,855,419	4,099,213
BRANDYWINE OPERATING PARTNERSHIP, L.P.
Real estate investments:
Operating properties	3,769,067	3,586,295
Accumulated depreciation	(885,438)	(852,476)
Operating real estate investments, net	2,883,629	2,733,819
Construction-in-progress	127,141	297,462
Land held for development	120,696	150,970
Total real estate investments, net	3,131,466	3,182,251
Assets held for sale, net	31,125	41,718
Cash and cash equivalents	25,287	193,919
Accounts receivable, net of allowance of $3,294 and $2,373 as of September 30, 2017 and December 31, 2016, respectively	14,785	12,446
Accrued rent receivable, net of allowance of $13,731 and $13,743 as of September 30, 2017 and December 31, 2016, respectively	166,093	149,624
Investment in Real Estate Ventures, equity method	236,313	281,331
Deferred costs, net	96,980	91,342
Intangible assets, net	58,817	72,478
Other assets	94,553	74,104
Total assets	3,855,419	4,099,213
LIABILITIES AND EQUITY
Mortgage notes payable, net	318,317	321,549
Unsecured credit facility	178,000	0
Unsecured term loans, net	248,347	248,099
Unsecured senior notes, net	1,144,976	1,443,464
Accounts payable and accrued expenses	112,413	103,404
Distributions payable	28,391	30,032
Deferred income, gains and rent	41,468	31,620
Acquired lease intangibles, net	17,156	18,119
Liabilities related to assets held for sale	269	81
Other liabilities	15,512	19,408
Total liabilities	2,104,849	2,215,776
Commitments and contingencies
Redeemable limited partnership units at redemption value; 1,479,799 issued and outstanding in as of September 30, 2017 and December 31, 2016	25,864	23,795
Equity:
6.90% Series E Preferred Shares, $0.01 par value; issued and outstanding- 0 as of September 30, 2017 and 4,000,000 as of December 31, 2016	0	96,850
General Partnership Capital; 175,477,498 and 175,140,760 units issued and outstanding as of September 30, 2017 and December 31, 2016, respectively	1,723,767	1,762,764
Accumulated other comprehensive loss	(1,276)	(2,122)
Total Brandywine Operating Partnership, L.P.'s equity	1,722,491	1,857,492
Non-controlling interest - consolidated real estate ventures	2,215	2,150
Total partners' equity	1,724,706	1,859,642
Total liabilities and beneficiaries' equity	$ 3,855,419	$ 4,099,213