Consolidated Statements of Cash Flows (Unaudited) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012
Operating Activities
Net income/(loss)	$ 5,045	$ 242,934
Adjustments to reconcile net income/(loss) to net cash provided by operating activities:
Depreciation and amortization	170,857	180,656
Net gain on the sale of depreciable property	0	(252,531)
Tax benefit, net	4,656	25,694
Loss from unconsolidated entities	2,287	5,103
Hurricane-related (recoveries)/charges, net	(2,275)	0
Other operating activities	13,056	14,174
Changes in operating assets and liabilities:
(Increase)/decrease in operating assets	(2,642)	18,242
(Increase)/decrease in operating liabilities	(9,283)	(31,151)
Net cash provided by operating activities	172,389	151,733
Investing Activities
Acquisition of real estate assets (net of liabilities assumed) and initial capital expenditures	0	12,788
Development of real estate assets	(172,034)	(105,861)
Capital expenditures and other major improvements - real estate assets, net of escrow reimbursement	(82,338)	(66,983)
Capital expenditures - non-real estate assets	(4,439)	(1,721)
Investment in unconsolidated joint ventures	(18,165)	(297,782)
Distributions received from unconsolidated joint venture	102,909	5,363
Issuance of notes receivable	(2,680)	(39,409)
Proceeds from sales of real estate investments, net	140,834	594,680
Net cash provided by/(used in) investing activities	(35,913)	75,499
Financing Activities
Payments on secured debt	(42,556)	(484,534)
Proceeds from the issuance of secured debt	0	2,570
Payments on unsecured debt	(122,500)	(100,000)
Proceeds from the issuance of unsecured debt	0	396,400
Net borrowings/(repayment) of revolving bank debt	152,500	(421,000)
Proceeds from the issuance of common shares through public offering, net	0	756,441
Payments for the repurchase of Series G preferred stock, net	0	(81,609)
Distributions paid to non-controlling interests	(4,625)	(4,500)
Distributions paid to preferred stockholders	(1,862)	(5,713)
Distributions paid to common stockholders	(114,078)	(97,399)
Other financing activities	(6,435)	(16,279)
Net cash provided by/(used in) financing activities	(139,556)	(55,623)
Net increase in cash and cash equivalents	(3,080)	171,609
Cash and cash equivalents, beginning of period	12,115	12,503
Cash and cash equivalents, end of period	9,035	184,112
Supplemental Information:
Interest paid during the period, net of amounts capitalized	64,570	68,936
Non-cash transactions:
Secured debt assumed in the acquisitions of properties, including asset exchange	0	34,412
Fair value adjustment of debt assumed in acquisitions of properties, including asset exchange	0	2,617
Conversion of operating partnership non-controlling interests to common stock (71,841 shares in 2013 and 5,480 shares in 2012)	1,711	146
Transfer of real estate owned to investment in and advances to unconsolidated joint ventures	$ 139,950	$ 0