Condensed Consolidated Statements Of Cash Flows (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014		Mar. 31, 2013
Cash flows from operating activities
Net income	$ 41,073		$ 64,433
Adjustments to reconcile net income to net cash from operating activities:
Depreciation and amortization	57,396		53,470
Gain on sale of discontinued operations, net of tax	0		(31,783)
Gain on sale of land	(354)		(698)
Distributions of income from joint ventures	3,873		1,299
Equity in income of joint ventures	(4,290)	[1]	(934)	[1]
Share-based compensation	3,626		3,274
Amortization of deferred financing costs	841		916
Net change in operating accounts and other	(8,146)		(5,107)
Net cash from operating activities	94,019		84,870
Cash flows from investing activities
Development and capital improvements	(110,085)		(58,390)
Proceeds from sale of land and discontinued operations	5,749		68,237
Distributions from investments in joint ventures	5,853		276
Increase in non-real estate assets	(1,586)		(1,085)
Other	843		(959)
Net cash from investing activities	(99,226)		8,079
Cash flows from financing activities
Borrowings on unsecured line of credit and other short-term borrowings	310,000		0
Repayments on unsecured line of credit and other short-term borrowings	(250,000)		0
Repayment of notes payable	(1,087)		(27,122)
Distributions to common shareholders and non-controlling interests	(56,787)		(49,941)
Proceeds from issuance of common shares	0		9,366
Payment of deferred financing costs	(205)		(306)
Net decrease in accounts receivable – affiliates	1,579		6,677
Other	681		1,350
Net cash from financing activities	4,181		(59,976)
Net (decrease) increase in cash and cash equivalents	(1,026)		32,973
Cash and cash equivalents, beginning of period	17,794		26,669
Cash and cash equivalents, end of period	16,768		59,642
Supplemental information
Cash paid for interest, net of interest capitalized	5,307		7,160
Supplemental schedule of noncash investing and financing activities
Distributions declared but not paid	59,728		56,559
Value of shares issued under benefit plans, net of cancellations	18,502		22,811
Net change in redemption of non-qualified share awards	10,694		0
Accrual associated with construction and capital expenditures	$ 22,111		$ 9,118

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