Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Current Fiscal Year End Date	--12-31
Transfer from operating properties to operating properties and related assets held for sale	$ 5,880	$ 0
Net income	22,796	7,203
Adjustments to reconcile net loss to net cash provided by operating activities:
Gain on sale of investment properties, including discontinued operations	14,190	554
Depreciation and amortization, including discontinued operations	31,969	36,393
Amortization of deferred financing costs	480	222
Net amortization of stock options and restricted stock	403	475
Effect of certain non-cash adjustments to rental revenues	(4,898)	(8,929)
Income Loss from Unconsolidated Joint Ventures	1,834	1,611
Operating distributions from unconsolidated joint ventures	1,984	303
Changes in other operating assets and liabilities:
Change in other receivables and other assets, net	(6,108)	(7,447)
Change in operating liabilities	(25,094)	(23,616)
Net cash provided by operating activities	5,508	2,439
CASH FLOWS FROM INVESTING ACTIVITIES:
Proceeds from investment property sales	21,088	1,314
Property acquisition, development, and tenant asset expenditures	(26,172)	(37,844)
Investment in unconsolidated joint ventures	(16,224)	(425)
Distributions from unconsolidated joint ventures	1,678	1,080
Change in notes receivable and other assets	0	(423)
Change in restricted cash	(625)	6
Net cash used in investing activities	(20,255)	(36,292)
CASH FLOWS FROM FINANCING ACTIVITIES:
Proceeds from credit facility	116,100	94,100
Repayment of credit facility	(65,100)	(36,300)
Repayment of notes payable	(2,131)	(2,196)
Proceeds from the Issuance of Common Stock, including Option Exercises	0	(14)
Preferred Stock Redemption	(13,743)	0
Common dividends paid	(16,918)	(17,349)
Net cash provided by financing activities	18,208	38,241
NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS	3,461	4,388
CASH AND CASH EQUIVALENTS AT BEGINNING OF PERIOD	2,003	0
CASH AND CASH EQUIVALENTS AT END OF PERIOD	5,464	4,388
Interest paid, net of amounts capitalized	7,480	7,695
Accrued property acquisition, development, and tenant asset expenditures	$ 421	$ (1,632)