CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012
CASH FLOWS FROM OPERATING ACTIVITIES
Net income	$ 29,933	$ 20,652
Adjustments to reconcile net income to net cash provided by operating activities
Depreciation and amortization	32,054	29,653
Amortization of financing costs	2,801	2,395
Gain on sale of property	(4,191)	(8,585)
Impairment of asset	1,500	0
Share-based compensation expense	4,590	3,056
Equity in earnings of unconsolidated affiliates	(7,274)	(1,997)
Distributions of operating income from unconsolidated affiliates	4,644	4,087
Other, net	(3,598)	336
Changes in assets and liabilities
Cash in escrow	(3,378)	1,939
Rents receivable, net	(4,315)	(5,639)
Prepaid expenses and other assets	(19,894)	(7,625)
Accounts payable and accrued expenses	5,845	(3,013)
Other liabilities	2,904	739
Net cash provided by operating activities	41,621	35,998
CASH FLOWS FROM INVESTING ACTIVITIES
Acquisition of real estate	(140,075)	(137,208)
Redevelopment and property improvement costs	(79,549)	(55,817)
Deferred leasing costs	(4,226)	(3,397)
Investments in and advances to unconsolidated affiliates	(54,207)	(19,356)
Return of capital from unconsolidated affiliates	88,403	13,497
Consolidation of previously unconsolidated investment	1,864	0
Proceeds from notes receivable	15,779	2,005
Issuance of notes receivable	0	(34,500)
Proceeds from sale of properties, net	11,815	44,703
Net cash used in investing activities	(160,196)	(190,073)
CASH FLOWS FROM FINANCING ACTIVITIES
Principal payments on mortgage notes	(140,037)	(189,747)
Proceeds received from mortgage notes	360,943	214,276
Loan proceeds held as restricted cash	(134,392)	0
Purchase of convertible notes payable	(550)	0
Deferred financing and other costs	(11,018)	(6,684)
Capital contributions from noncontrolling interests	27,515	122,309
Distributions to noncontrolling interests	(30,572)	(63,463)
Dividends paid to Common Shareholders	(32,471)	(23,671)
Proceeds from issuance of Common Shares, net of issuance costs of $1,430 and $2,000, respectively	75,765	96,540
Net cash provided by financing activities	115,183	149,560
Decrease in cash and cash equivalents	(3,392)	(4,515)
Cash and cash equivalents, beginning of period	91,813	89,812
Cash and cash equivalents, end of period	88,421	85,297
Supplemental disclosure of cash flow information
Cash paid during the period for interest, net of capitalized interest of $6,429 and $4,515, respectively	29,758	24,528
Cash paid for income taxes	281	941
Supplemental disclosure of non-cash investing activities:
Acquisition of real estate through assumption of debt	0	59,335
Acquisition of real estate through issuance of OP Units	0	2,279
Acquisition of real estate through conversion of notes receivable	18,500	14,000
Consolidation of previously unconsolidated investment
Real estate, net	(118,484)	0
Mortgage notes payable	166,200	0
Distributions in excess of income from, and investments in, unconsolidated affiliates	(10,298)	0
Other assets and liabilities	(1,605)	0
Noncontrolling interest	(33,949)	0
Cash included in consolidation of previously unconsolidated investment	$ 1,864	$ 0