Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Real estate investments:
Operating properties	$ 3,703,193	$ 3,693,000
Accumulated depreciation	(891,263)	(867,035)
Operating real estate investments, net	2,811,930	2,825,965
Construction-in-progress	319,656	268,983
Land held for development	132,747	130,479
Total real estate investments, net	3,264,333	3,225,427
Cash and cash equivalents	423,517	56,694
Accounts receivable, net of allowance of $1,950 and $1,736 in 2016 and 2015, respectively	14,027	17,126
Accrued rent receivable, net of allowance of $13,313 and $14,442 in 2016 and 2015, respectively	133,720	145,092
Assets held for sale, net	0	584,365
Investment in Real Estate Ventures, equity method	278,659	241,004
Deferred costs, net	90,973	101,419
Intangible assets, net	100,063	111,623
Other assets	72,772	71,761
Total assets	4,378,064	4,554,511
LIABILITIES AND EQUITY
Mortgage notes payable, net	345,310	545,753
Unsecured term loans, net	247,882	247,800
Unsecured senior notes, net	1,591,756	1,591,164
Accounts payable and accrued expenses	112,203	99,856
Distributions payable	28,295	28,249
Deferred income, gains and rent	27,331	30,413
Acquired lease intangibles, net	23,248	25,655
Liabilities related to assets held for sale	0	2,151
Other liabilities	37,749	31,379
Total liabilities	$ 2,413,774	$ 2,602,420
Commitments and contingencies
Equity:
6.90% Series E Preferred Shares, $0.01 par value; issued and outstanding- 4,000,000 in 2016 and 2015	$ 40	$ 40
Common Shares of Brandywine Realty Trust's beneficial interest, $0.01 par value; shares authorized 400,000,000; 174,890,432 and 174,688,568 issued and outstanding in 2016 and 2015, respectively	1,749	1,747
Additional paid-in-capital	3,255,908	3,252,622
Deferred compensation payable in common shares	13,155	11,918
Common shares in grantor trust, 847,007 in 2016, 745,686 in 2015	(13,155)	(11,918)
Cumulative earnings	545,041	499,086
Accumulated other comprehensive loss	(14,271)	(5,192)
Cumulative distributions	(1,842,450)	(1,814,378)
Total Brandywine Realty Trust's equity	1,946,017	1,933,925
Non-controlling interests	18,273	18,166
Total beneficiaries' equity	1,964,290	1,952,091
Total liabilities and beneficiaries' equity	4,378,064	4,554,511
BRANDYWINE OPERATING PARTNERSHIP, L.P.
Real estate investments:
Operating properties	3,703,193	3,693,000
Accumulated depreciation	(891,263)	(867,035)
Operating real estate investments, net	2,811,930	2,825,965
Construction-in-progress	319,656	268,983
Land held for development	132,747	130,479
Total real estate investments, net	3,264,333	3,225,427
Cash and cash equivalents	423,517	56,694
Accounts receivable, net of allowance of $1,950 and $1,736 in 2016 and 2015, respectively	14,027	17,126
Accrued rent receivable, net of allowance of $13,313 and $14,442 in 2016 and 2015, respectively	133,720	145,092
Assets held for sale, net	0	584,365
Investment in Real Estate Ventures, equity method	278,659	241,004
Deferred costs, net	90,973	101,419
Intangible assets, net	100,063	111,623
Other assets	72,772	71,761
Total assets	4,378,064	4,554,511
LIABILITIES AND EQUITY
Mortgage notes payable, net	345,310	545,753
Unsecured term loans, net	247,882	247,800
Unsecured senior notes, net	1,591,756	1,591,164
Accounts payable and accrued expenses	112,203	99,856
Distributions payable	28,295	28,249
Deferred income, gains and rent	27,331	30,413
Acquired lease intangibles, net	23,248	25,655
Liabilities related to assets held for sale	0	2,151
Other liabilities	37,749	31,379
Total liabilities	$ 2,413,774	$ 2,602,420
Commitments and contingencies
Redeemable limited partnership units at redemption value; 1,535,102 issued and outstanding in 2016 and 2015	$ 22,285	$ 22,114
Equity:
6.90% Series E Preferred Shares, $0.01 par value; issued and outstanding- 4,000,000 in 2016 and 2015	96,850	96,850
General Partnership Capital 0 and 174,688,568 units issued and outstanding in 2016 and 2015, respectively	1,857,859	1,836,692
Accumulated other comprehensive loss	(14,755)	(5,597)
Total Brandywine Operating Partnership, L.P.'s equity	1,939,954	1,927,945
Non-controlling interest - consolidated real estate ventures	2,051	2,032
Total partners' equity	1,942,005	1,929,977
Total liabilities and beneficiaries' equity	$ 4,378,064	$ 4,554,511