CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013
CASH FLOWS FROM OPERATING ACTIVITIES
Net income	$ 142,055	$ 29,933
Adjustments to reconcile net income to net cash provided by operating activities
Depreciation and amortization	36,055	32,054
Amortization of financing costs	2,214	2,801
Gain on disposition of property	(13,698)	(4,191)
Impairment of asset	0	1,500
Share-based compensation expense	5,542	4,590
Equity in earnings of unconsolidated affiliates	(7,382)	(7,274)
Gain on disposition of properties of unconsolidated affiliates	(102,855)	0
Distributions of operating income from unconsolidated affiliates	7,780	4,644
Other, net	(2,106)	(3,598)
Changes in assets and liabilities
Cash in escrow	(7,148)	(3,378)
Rents receivable, net	(3,707)	(4,315)
Prepaid expenses and other assets	430	(19,894)
Accounts payable and accrued expenses	4,209	5,845
Other liabilities	295	2,904
Net cash provided by operating activities	61,684	41,621
CASH FLOWS FROM INVESTING ACTIVITIES
Acquisition of real estate	(136,978)	(140,075)
Redevelopment and property improvement costs	(105,049)	(79,549)
Deferred leasing costs	(2,654)	(4,226)
Investments in and advances to unconsolidated affiliates	(59,529)	(54,207)
Return of capital from unconsolidated affiliates	30,604	88,403
Proceeds from disposition of properties of unconsolidated affiliates	188,870	0
Consolidation of previously unconsolidated investment	0	1,864
Collection of notes receivable	18,095	15,779
Issuance of notes receivable	(23,519)	0
Proceeds from sale of properties, net	31,188	11,815
Net cash used in investing activities	(58,972)	(160,196)
CASH FLOWS FROM FINANCING ACTIVITIES
Principal payments on mortgage and other notes	(134,334)	(140,037)
Proceeds received from mortgage and other notes	229,000	360,943
Loan proceeds held as restricted cash	60,514	(134,392)
Purchase of convertible notes payable	0	(550)
Deferred financing and other costs	(2,120)	(11,018)
Capital contributions from noncontrolling interests	35,317	27,515
Distributions to noncontrolling interests	(213,496)	(30,572)
Dividends paid to Common Shareholders	(39,399)	(32,471)
Proceeds from issuance of Common Shares, net of issuance costs of $1,818 and $1,430, respectively	113,749	75,765
Net cash provided by financing activities	49,231	115,183
Increase (decrease) in cash and cash equivalents	51,943	(3,392)
Cash and cash equivalents, beginning of period	79,189	91,813
Cash and cash equivalents, end of period	131,132	88,421
Supplemental disclosure of cash flow information
Cash paid during the period for interest, net of capitalized interest of $9,250 and $6,429, respectively	34,935	29,758
Cash paid for income taxes	316	281
Supplemental disclosure of non-cash investing activities
Acquisition of real estate through assumption of debt	29,794	0
Acquisition of real estate through issuance of OP Units	38,937	0
Acquisition of real estate through conversion of notes receivable	38,000	18,500
Disposition of real estate through cancellation of debt	(22,865)	0
Consolidation of previously unconsolidated investment
Real estate, net	0	(118,484)
Mortgage notes payable	0	166,200
Distributions in excess of income from, and investments in, unconsolidated affiliates	0	(10,298)
Other assets and liabilities	0	(1,605)
Noncontrolling interest	0	(33,949)
Cash included in consolidation of previously unconsolidated investment	$ 0	$ 1,864