Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	$ 16,406	$ 4,858
Adjustments to reconcile net income to net cash provided by operating activities:
Loss on sale of investment properties	372	70
Depreciation and amortization	45,093	54,884
Amortization of deferred financing costs and premium/discount on notes payable	552	(2,748)
Stock-based compensation expense, net of forfeitures	542	489
Effect of non-cash adjustments to rental revenues	(9,996)	(13,333)
Income from unconsolidated joint ventures	(2,885)	(581)
Operating distributions from unconsolidated joint ventures	2,564	2,930
Loss on extinguishment of debt	85	0
Changes in other operating assets and liabilities:
Change in other receivables and other assets, net	(7,094)	(5,362)
Change in operating liabilities, net	(24,733)	(15,974)
Net cash provided by operating activities	20,906	25,233
CASH FLOWS FROM INVESTING ACTIVITIES:
Property acquisition, development, and tenant asset expenditures	(60,175)	(70,711)
Purchase of tenant-in-common interest	0	(13,382)
Collection of notes receivable	0	3,292
Investment in unconsolidated joint ventures	(21,613)	(1,535)
Distributions from unconsolidated joint ventures	242	4,065
Change in notes receivable and other assets	(795)	0
Other	(472)	0
Net cash used in investing activities	(82,813)	(78,271)
CASH FLOWS FROM FINANCING ACTIVITIES:
Proceeds from credit facility	0	93,000
Repayment of credit facility	0	(227,000)
Repayment of notes payable	(2,161)	(3,107)
Payment of deferred financing costs	(6,013)	0
Shares withheld for payment of taxes on restricted stock vesting	(759)	0
Common stock issued, net of expenses	0	211,825
Distributions to nonredeemable noncontrolling interests	(399)	0
Common dividends paid	(25,169)	(23,603)
Other	0	(158)
Net cash provided by (used in) financing activities	(34,501)	50,957
NET DECREASE IN CASH, CASH EQUIVALENTS, AND RESTRICTED CASH	(96,408)	(2,081)
CASH , CASH EQUIVALENTS, AND RESTRICTED CASH AT BEGINNING OF PERIOD	205,745	51,321
CASH, CASH EQUIVALENTS, AND RESTRICTED CASH AT END OF PERIOD	$ 109,337	$ 49,240