Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Cash flows from operating activities:
Net income	$ 8,087	$ 4,583
Adjustments to reconcile net income to net cash from operating activities:
Depreciation and amortization	52,038	51,444
Amortization of deferred financing costs	749	666
Amortization of debt discount/(premium), net	(395)	175
Amortization of stock compensation costs	2,349	3,449
Straight-line rent income	(2,183)	(4,165)
Amortization of acquired above (below) market leases, net	(1,495)	(1,805)
Ground rent expense	366	370
Provision for doubtful accounts	213	0
Net gain on sale of interests in real estate	(2,586)	(1,001)
Loss from Real Estate Ventures, net of distributions	1,890	1,159
Income tax provision	4	29
Changes in assets and liabilities:
Accounts receivable	(1,348)	(3,539)
Other assets	(14,548)	(39,088)
Accounts payable and accrued expenses	(1,213)	(10,822)
Deferred income, gains and rent	(230)	(3,148)
Other liabilities	3,360	19,459
Net cash provided by operating activities	45,058	17,766
Cash flows from investing activities:
Acquisition of properties	(11,432)	0
Proceeds from the sale of properties	17,711	5,273
Proceeds from real estate venture sales	0	259
Proceeds from repayment of mortgage notes receivable	0	15
Capital expenditures for tenant improvements	(13,707)	(14,978)
Capital expenditures for redevelopments	(9,973)	(10,777)
Capital expenditures for developments	(19,426)	(18,645)
Advances for the purchase of tenant assets, net of repayments	(585)	1,615
Investment in unconsolidated Real Estate Ventures	0	(182)
Deposits for real estate	(1,011)	3,152
Capital distributions from Real Estate Ventures	0	1,851
Leasing costs paid	(5,315)	(5,696)
Net cash used in investing activities	(42,568)	(41,343)
Cash flows from financing activities:
Repayments of mortgage notes payable	(1,945)	(1,871)
Proceeds from credit facility borrowings	66,000	198,000
Repayments of credit facility borrowings	(16,000)	(130,000)
Proceeds from the exercise of stock options	47	800
Shares used for employee taxes upon vesting of share awards	(722)	(1,230)
Partner contributions to consolidated real estate venture	0	23
Repurchase and retirement of common shares	(53,857)	(17,282)
Distributions paid to shareholders	(33,622)	(33,084)
Distributions to noncontrolling interest	(187)	(187)
Net cash provided by (used in) financing activities	(40,286)	15,169
Decrease in cash and cash equivalents and restricted cash	(37,796)	(8,408)
Cash and cash equivalents and restricted cash at beginning of year	91,170	23,211
Cash and cash equivalents and restricted cash at end of period	53,374	14,803
Reconciliation of cash and cash equivalents and restricted cash:
Cash and cash equivalents, beginning of period	90,499	22,842
Restricted cash, beginning of period	671	369
Cash and cash equivalents and restricted cash at beginning of year	91,170	23,211
Cash and cash equivalents, end of period	52,702	14,449
Restricted cash, end of period	672	354
Cash and cash equivalents and restricted cash at end of period	53,374	14,803
Supplemental disclosure:
Cash paid for interest, net of capitalized interest during the three months ended March 31, 2020 and 2019 of $1,201 and $728, respectively	12,961	14,251
Cash paid for income taxes	1	0
Supplemental disclosure of non-cash activity:
Dividends and distributions declared but not paid	32,692	34,107
Change in capital expenditures financed through accounts payable at period end	(2,745)	1,080
Change in capital expenditures financed through retention payable at period end	(23)	4,503
BRANDYWINE OPERATING PARTNERSHIP, L.P.
Cash flows from operating activities:
Net income	8,087	4,583
Adjustments to reconcile net income to net cash from operating activities:
Depreciation and amortization	52,038	51,444
Amortization of deferred financing costs	749	666
Amortization of debt discount/(premium), net	(395)	175
Amortization of stock compensation costs	2,349	3,449
Straight-line rent income	(2,183)	(4,165)
Amortization of acquired above (below) market leases, net	(1,495)	(1,805)
Ground rent expense	366	370
Provision for doubtful accounts	213	0
Net gain on sale of interests in real estate	(2,586)	(1,001)
Loss from Real Estate Ventures, net of distributions	1,890	1,159
Income tax provision	4	29
Changes in assets and liabilities:
Accounts receivable	(1,348)	(3,539)
Other assets	(14,548)	(39,088)
Accounts payable and accrued expenses	(1,213)	(10,822)
Deferred income, gains and rent	(230)	(3,148)
Other liabilities	3,360	19,459
Net cash provided by operating activities	45,058	17,766
Cash flows from investing activities:
Acquisition of properties	(11,432)	0
Proceeds from the sale of properties	17,711	5,273
Proceeds from real estate venture sales	0	259
Proceeds from repayment of mortgage notes receivable	0	15
Capital expenditures for tenant improvements	(13,707)	(14,978)
Capital expenditures for redevelopments	(9,973)	(10,777)
Capital expenditures for developments	(19,426)	(18,645)
Advances for the purchase of tenant assets, net of repayments	(585)	1,615
Investment in unconsolidated Real Estate Ventures	0	(182)
Deposits for real estate	(1,011)	3,152
Capital distributions from Real Estate Ventures	0	1,851
Leasing costs paid	(5,315)	(5,696)
Net cash used in investing activities	(42,568)	(41,343)
Cash flows from financing activities:
Repayments of mortgage notes payable	(1,945)	(1,871)
Proceeds from credit facility borrowings	66,000	198,000
Repayments of credit facility borrowings	(16,000)	(130,000)
Proceeds from the exercise of stock options	47	800
Shares used for employee taxes upon vesting of share awards	(722)	(1,230)
Partner contributions to consolidated real estate venture	0	23
Repurchase and retirement of common shares	(53,857)	(17,282)
Distributions paid to shareholders	(33,809)	(33,271)
Net cash provided by (used in) financing activities	(40,286)	15,169
Decrease in cash and cash equivalents and restricted cash	(37,796)	(8,408)
Cash and cash equivalents and restricted cash at beginning of year	91,170	23,211
Cash and cash equivalents and restricted cash at end of period	53,374	14,803
Reconciliation of cash and cash equivalents and restricted cash:
Cash and cash equivalents, beginning of period	90,499	22,842
Restricted cash, beginning of period	671	369
Cash and cash equivalents and restricted cash at beginning of year	91,170	23,211
Cash and cash equivalents, end of period	52,702	14,449
Restricted cash, end of period	672	354
Cash and cash equivalents and restricted cash at end of period	53,374	14,803
Supplemental disclosure:
Cash paid for interest, net of capitalized interest during the three months ended March 31, 2020 and 2019 of $1,201 and $728, respectively	12,961	14,251
Cash paid for income taxes	1	0
Supplemental disclosure of non-cash activity:
Dividends and distributions declared but not paid	32,692	34,107
Change in capital expenditures financed through accounts payable at period end	(2,745)	1,080
Change in capital expenditures financed through retention payable at period end	$ (23)	$ 4,503