Condensed Consolidated Statements Of Cash Flows - USD ($) $ in Thousands		9 Months Ended
		Sep. 30, 2015	Sep. 30, 2014
Cash flows from operating activities
Net income		$ 196,460	$ 116,690
Adjustments to reconcile net income to net cash from operating activities:
Depreciation and amortization		190,337	174,528
Gain on sale of operating properties, including land		(85,192)	(3,609)
Impairment associated with land holdings		0	1,152
Distributions of income from joint ventures		4,699	6,293
Equity in income of joint ventures	[1]	(4,487)	(5,889)
Share-based compensation		13,012	11,902
Amortization of deferred financing costs		2,143	2,493
Net change in operating accounts and other		681	23,446
Net cash from operating activities		317,653	327,006
Cash flows from investing activities
Development and capital improvements		(336,398)	(390,756)
Proceeds from sales of operating properties, including land		112,180	22,606
Distributions from investments in joint ventures		1,512	6,571
Other		(9,177)	(4,522)
Net cash from investing activities		(231,883)	(366,101)
Cash flows from financing activities
Repayment of notes payable		(252,160)	(35,640)
Borrowings on unsecured credit facility and other short-term borrowings		728,000	2,172,000
Repayments on unsecured credit facility and other short-term borrowings		(505,000)	(2,172,000)
Proceeds from notes payable		0	248,078
Distributions to common shareholders and non-controlling interests		(188,876)	(176,284)
Purchase of non-controlling interests		(9,500)	0
Proceeds from Issuance of Common Stock		0	50,535
Other		(1,777)	739
Net cash from financing activities		(229,313)	87,428
Net increase (decrease) in cash and cash equivalents		(143,543)	48,333
Cash and cash equivalents, beginning of period		153,918	17,794
Cash and cash equivalents, end of period		10,375	66,127
Supplemental information
Cash paid for interest, net of interest capitalized		65,748	52,073
Cash paid for income taxes		1,584	1,623
Supplemental schedule of noncash investing and financing activities
Distributions declared but not paid		64,276	60,265
Value of shares issued under benefit plans, net of cancellations		18,489	19,215
Net change in redemption of non-qualified share awards		(1,607)	11,541
Accrual associated with construction and capital expenditures		$ 17,440	$ 22,269

[1] Equity in income excludes our ownership interest of fee income from various services provided by us to the funds.