Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
OPERATING ACTIVITIES
Net income	$ 55,748	$ 143,725
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	45,721	45,144
Amortization of deferred financing costs	1,201	967
Expensed pursuit costs	122	324
Impairment charges - real estate assets	10,373	0
Equity in earnings of unconsolidated joint ventures	(7,009)	(6,764)
Gain on property dispositions	(19,682)	(94,170)
Share-based compensation	9,641	9,633
Development service fee accrual	(23,249)	2,968
Other	(1,818)	(762)
Changes in operating assets and liabilities:
Accounts receivable	(2,247)	(706)
Deferred rent receivable	(4,177)	(4,944)
Prepaid expenses and other assets	13,670	20,312
Accounts payable	(13,874)	(9,003)
Accrued interest	14,927	13,059
Other liabilities	(25,587)	(26,084)
Net cash provided by operating activities	53,760	93,699
INVESTING ACTIVITIES
Investment in properties – acquisitions	(130,432)	(95,027)
Investment in properties – other	(7,392)	(3,603)
Investments in and advances to unconsolidated joint ventures	(3,240)	(66,420)
Distributions from unconsolidated joint ventures	8,209	11,521
Net proceeds from disposition of properties/land	87,609	184,233
Investment in development in progress	(68,026)	(51,932)
Investment in land held for development	(14,000)	(18,234)
Payment of deferred leasing costs	(4,653)	(2,183)
Release of escrows and other	130,160	126,745
Net cash (used in) provided by investing activities	(1,765)	85,100
FINANCING ACTIVITIES
Net proceeds from issuance of common shares	3,909	3,267
Share repurchases, including shares related to tax withholdings	(7,981)	(4,402)
Redemption of preferred units	(2,200)	0
Proceeds from unsecured notes	349,097	0
Repayments of mortgage loans	(1,632)	(1,714)
Proceeds from credit facility	98,294	312,993
Repayments on credit facility	(410,140)	(414,757)
Payment of deferred financing costs	(3,408)	0
Distribution paid on common shares	(59,154)	(58,980)
Distributions to partners/noncontrolling interests	(2,412)	(1,651)
Net cash used in financing activities	(35,627)	(165,244)
Net increase in cash, cash equivalents and restricted cash	16,368	13,555
Increase in cash, cash equivalents and restricted cash related to foreign currency translation	2,455	506
Cash, cash equivalents and restricted cash at beginning of period	95,822	25,685
Cash, cash equivalents and restricted cash at end of period	114,645	39,746
Liberty Property Limited Partnership
OPERATING ACTIVITIES
Net income	55,748	143,725
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	45,721	45,144
Amortization of deferred financing costs	1,201	967
Expensed pursuit costs	122	324
Impairment charges - real estate assets	10,373	0
Equity in earnings of unconsolidated joint ventures	(7,009)	(6,764)
Gain on property dispositions	(19,682)	(94,170)
Share-based compensation	9,641	9,633
Development service fee accrual	(23,249)	2,968
Other	(1,818)	(762)
Changes in operating assets and liabilities:
Accounts receivable	(2,247)	(706)
Deferred rent receivable	(4,177)	(4,944)
Prepaid expenses and other assets	13,670	20,312
Accounts payable	(13,874)	(9,003)
Accrued interest	14,927	13,059
Other liabilities	(25,587)	(26,084)
Net cash provided by operating activities	53,760	93,699
INVESTING ACTIVITIES
Investment in properties – acquisitions	(130,432)	(95,027)
Investment in properties – other	(7,392)	(3,603)
Investments in and advances to unconsolidated joint ventures	(3,240)	(66,420)
Distributions from unconsolidated joint ventures	8,209	11,521
Net proceeds from disposition of properties/land	87,609	184,233
Investment in development in progress	(68,026)	(51,932)
Investment in land held for development	(14,000)	(18,234)
Payment of deferred leasing costs	(4,653)	(2,183)
Release of escrows and other	130,160	126,745
Net cash (used in) provided by investing activities	(1,765)	85,100
FINANCING ACTIVITIES
Redemption of preferred units	(2,200)	0
Proceeds from unsecured notes	349,097	0
Repayments of mortgage loans	(1,632)	(1,714)
Proceeds from credit facility	98,294	312,993
Repayments on credit facility	(410,140)	(414,757)
Payment of deferred financing costs	(3,408)	0
Capital contributions	3,909	3,267
Distributions to partners/noncontrolling interests	(69,547)	(65,033)
Net cash used in financing activities	(35,627)	(165,244)
Net increase in cash, cash equivalents and restricted cash	16,368	13,555
Increase in cash, cash equivalents and restricted cash related to foreign currency translation	2,455	506
Cash, cash equivalents and restricted cash at beginning of period	95,822	25,685
Cash, cash equivalents and restricted cash at end of period	$ 114,645	$ 39,746