Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014
Current Fiscal Year End Date	--12-31
Transfer from operating properties to operating properties and related assets held for sale	$ 50,491	$ 181,116
Disposal Group, Including Discontinued Operation, Liabilities, Current	2,843
Transfer from projects under development to operating properties	93,019	0
Net income	68,774	29,160
Adjustments to reconcile net loss to net cash provided by operating activities:
Gain on sale of investment properties, including discontinued operations	37,123	20,941
Depreciation and amortization, including discontinued operations	103,614	102,481
Amortization of deferred financing costs	1,073	604
Net amortization of stock options and restricted stock	1,104	1,508
Effect of certain non-cash adjustments to rental revenues	(21,907)	(21,740)
Income Loss from Unconsolidated Joint Ventures	7,087	5,343
Operating distributions from unconsolidated joint ventures	5,570	5,195
Residential Lot Outparcel and Multi Family Cost of Sales Net of Closing Costs Paid	0	302
Changes in other operating assets and liabilities:
Change in other receivables and other assets, net	(6,452)	(1,912)
Change in operating liabilities	(4,526)	5,282
Net cash provided by operating activities	103,040	94,596
CASH FLOWS FROM INVESTING ACTIVITIES:
Proceeds from investment property sales	136,498	53,827
Property acquisition, development, and tenant asset expenditures	(151,384)	(351,657)
Investment in unconsolidated joint ventures	(7,486)	(10,578)
Distributions from unconsolidated joint ventures	6,318	7,433
Change in notes receivable and other assets	1,149	(1,818)
Change in restricted cash	293	(1,834)
Net cash used in investing activities	(14,612)	(304,627)
CASH FLOWS FROM FINANCING ACTIVITIES:
Proceeds from credit facility	269,000	395,175
Repayment of credit facility	(275,200)	(347,550)
Proceeds from Notes Payable	0	68
Repayment of notes payable	(6,574)	(6,713)
Payments of Financing Costs	0	3,176
Proceeds from the Issuance of Common Stock, including Option Exercises	8	321,912
Payments for Repurchase of Common Stock	(18,320)	0
Preferred Stock Redemption	0	(94,775)
Common dividends paid	(52,011)	(45,351)
Preferred dividends paid	0	(2,955)
Distributions to noncontrolling interests	0	(369)
Net cash provided by (used in) financing activities	(83,097)	216,266
NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS	5,331	6,235
CASH AND CASH EQUIVALENTS AT BEGINNING OF PERIOD	0	975
CASH AND CASH EQUIVALENTS AT END OF PERIOD	5,331	7,210
Interest paid, net of amounts capitalized	22,579	20,450
Accrued property acquisition, development, and tenant asset expenditures	$ (4,118)	$ 3,055