Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Cash flows from operating activities:
Net income	$ 4,066	$ 44,705
Adjustments to reconcile net income to net cash from operating activities:
Depreciation and amortization	51,980	43,291
Amortization of deferred financing costs	666	627
Amortization of debt discount/(premium), net	175	176
Amortization of stock compensation costs	3,449	3,265
Straight-line rent income	(4,165)	(4,978)
Amortization of acquired above (below) market leases, net	(1,805)	(793)
Straight-line ground rent expense	351	22
Provision for doubtful accounts	0	467
Net gain on real estate venture transactions	0	(37,263)
Net gain on sale of interests in real estate	(1,001)	(22)
Income from Real Estate Ventures, net of distributions	1,159	2,209
Income tax provision	29	138
Accounts receivable	(3,539)	(646)
Other assets	(39,088)	(12,911)
Accounts payable and accrued expenses	(10,822)	(1,146)
Deferred income, gains and rent	(3,148)	2,295
Other liabilities	19,459	(738)
Net cash provided by operating activities	17,766	38,698
Cash flows from investing activities:
Acquisition of properties	0	(24,946)
Proceeds from the sale of properties	5,273	14,921
Proceeds from real estate venture sales	259	42,953
Proceeds from repayment of mortgage notes receivable	15	562
Capital expenditures for tenant improvements	(14,978)	(16,569)
Capital expenditures for redevelopments	(10,777)	(2,429)
Capital expenditures for developments	(18,645)	(19,387)
Advances for the purchase of tenant assets, net of repayments	(1,615)	316
Investment in unconsolidated Real Estate Ventures	(182)	(261)
Deposits for real estate	3,152	(162)
Capital distributions from Real Estate Ventures	1,851	1,951
Leasing costs paid	(5,696)	(3,120)
Net cash used in investing activities	(41,343)	(6,171)
Cash flows from financing activities:
Repayments of mortgage notes payable	(1,871)	(1,317)
Proceeds from credit facility borrowings	198,000	0
Repayments of credit facility borrowings	(130,000)	0
Proceeds from the exercise of stock options	800	0
Proceeds from the issuance of common shares	0	416
Shares used for employee taxes upon vesting of share awards	(1,230)	(942)
Partner contributions to consolidated real estate venture	23	15
Partner distributions from consolidated real estate venture	0	(54)
Repurchase and retirement of common shares	(17,282)	0
Distributions paid to shareholders	(33,084)	(32,173)
Distributions to noncontrolling interest	(187)	(266)
Net cash provided by (used in) financing activities	15,169	(34,321)
Decrease in cash and cash equivalents and restricted cash	(8,408)	(1,794)
Cash and cash equivalents and restricted cash at beginning of year	23,211	203,442
Cash and cash equivalents and restricted cash at end of period	14,803	201,648
Reconciliation of cash and cash equivalents and restricted cash:
Cash and cash equivalents, beginning of period	22,842	202,179
Restricted cash, beginning of period	369	1,263
Cash and cash equivalents and restricted cash at beginning of year	23,211	203,442
Cash and cash equivalents, end of period	14,449	200,813
Restricted cash, end of period	354	835
Cash and cash equivalents and restricted cash at end of period	14,803	201,648
Supplemental disclosure:
Cash paid for interest, net of capitalized interest during the three months ended March 31, 2019 and 2018 of $728 and $687, respectively	14,251	12,705
Cash paid for income taxes	0	7
Supplemental disclosure of non-cash activity:
Dividends and distributions declared but not paid	34,107	32,502
Change in investment in real estate ventures as a result of dispositions	0	(17,313)
Change in operating real estate related to a non-cash acquisition of an operating property	0	(20,653)
Change in intangible assets, net related to non-cash acquisition of an operating property	0	(3,144)
Change in acquired lease intangibles, net related to non-cash acquisition of an operating property	0	182
Change in investments in joint venture related to non-cash acquisition of property	0	(2,042)
Change in mortgage notes payable related to acquisition of an operating property	0	9,940
Change in capital expenditures financed through accounts payable at period end	(1,080)	(1,112)
Change in capital expenditures financed through retention payable at period end	(4,503)	(792)
BRANDYWINE OPERATING PARTNERSHIP, L.P.
Cash flows from operating activities:
Net income	4,066	44,705
Adjustments to reconcile net income to net cash from operating activities:
Depreciation and amortization	51,980	43,291
Amortization of deferred financing costs	666	627
Amortization of debt discount/(premium), net	175	176
Amortization of stock compensation costs	3,449	3,265
Straight-line rent income	(4,165)	(4,978)
Amortization of acquired above (below) market leases, net	(1,805)	(793)
Straight-line ground rent expense	351	22
Provision for doubtful accounts	0	467
Net gain on real estate venture transactions	0	(37,263)
Net gain on sale of interests in real estate	(1,001)	(22)
Income from Real Estate Ventures, net of distributions	1,159	2,209
Income tax provision	29	138
Accounts receivable	(3,539)	(646)
Other assets	(39,088)	(12,911)
Accounts payable and accrued expenses	(10,822)	(1,146)
Other liabilities	19,459	(738)
Deferred income, gains and rent	(3,148)	2,295
Net cash provided by operating activities	17,766	38,698
Cash flows from investing activities:
Acquisition of properties	0	(24,946)
Proceeds from the sale of properties	5,273	14,921
Proceeds from real estate venture sales	259	42,953
Proceeds from repayment of mortgage notes receivable	15	562
Capital expenditures for tenant improvements	(14,978)	(16,569)
Capital expenditures for redevelopments	(10,777)	(2,429)
Capital expenditures for developments	(18,645)	(19,387)
Advances for the purchase of tenant assets, net of repayments	(1,615)	316
Investment in unconsolidated Real Estate Ventures	(182)	(261)
Deposits for real estate	3,152	(162)
Capital distributions from Real Estate Ventures	1,851	1,951
Leasing costs paid	(5,696)	(3,120)
Net cash used in investing activities	(41,343)	(6,171)
Cash flows from financing activities:
Repayments of mortgage notes payable	(1,871)	(1,317)
Proceeds from credit facility borrowings	198,000	0
Repayments of credit facility borrowings	(130,000)	0
Proceeds from the exercise of stock options	800	0
Proceeds from the issuance of common shares	0	416
Shares used for employee taxes upon vesting of share awards	(1,230)	(942)
Partner contributions to consolidated real estate venture	23	15
Partner distributions from consolidated real estate venture	0	(54)
Repurchase and retirement of common shares	(17,282)	0
Distributions paid to shareholders	(33,271)	(32,439)
Net cash provided by (used in) financing activities	15,169	(34,321)
Decrease in cash and cash equivalents and restricted cash	(8,408)	(1,794)
Cash and cash equivalents and restricted cash at beginning of year	23,211	203,442
Cash and cash equivalents and restricted cash at end of period	14,803	201,648
Reconciliation of cash and cash equivalents and restricted cash:
Cash and cash equivalents, beginning of period	22,842	202,179
Restricted cash, beginning of period	369	1,263
Cash and cash equivalents and restricted cash at beginning of year	23,211	203,442
Cash and cash equivalents, end of period	14,449	200,813
Restricted cash, end of period	354	835
Cash and cash equivalents and restricted cash at end of period	14,803	201,648
Supplemental disclosure:
Cash paid for interest, net of capitalized interest during the three months ended March 31, 2019 and 2018 of $728 and $687, respectively	14,251	12,705
Cash paid for income taxes	0	7
Supplemental disclosure of non-cash activity:
Dividends and distributions declared but not paid	34,107	32,502
Change in investment in real estate ventures as a result of dispositions	0	(17,313)
Change in operating real estate related to a non-cash acquisition of an operating property	0	(20,653)
Change in intangible assets, net related to non-cash acquisition of an operating property	0	(3,144)
Change in acquired lease intangibles, net related to non-cash acquisition of an operating property	0	182
Change in investments in joint venture related to non-cash acquisition of property	0	(2,042)
Change in mortgage notes payable related to acquisition of an operating property	0	9,940
Change in capital expenditures financed through accounts payable at period end	(1,080)	(1,112)
Change in capital expenditures financed through retention payable at period end	$ (4,503)	$ (792)