CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
CASH FLOWS FROM OPERATING ACTIVITIES
Net income	$ 44,640	$ 89,936	$ 53,715
Adjustments to reconcile net income to net cash provided by operating activities
Depreciation and amortization	43,071	38,769	33,683
Amortization of financing costs	3,082	3,569	3,918
Gain on sale of property	(18,802)	(71,203)	(46,830)
Loss (gain) on debt extinguishment	1,565	2,739	(1,268)
Gain on involuntary conversion of asset	0	(2,368)	0
Reserve for notes receivable	0	405	0
Impairment of asset	8,183	0	6,925
Amortization of discount on convertible debt	0	0	829
Share compensation expense	7,667	3,350	3,682
Equity in earnings of unconsolidated affiliates	(12,382)	(1,579)	(1,555)
Distributions of operating income from unconsolidated affiliates	9,829	3,733	5,515
Other, net	(4,771)	278	(62)
Changes in assets and liabilities
Cash in escrow	218	2,035	7,319
Rents receivable, net	997	(6,757)	(8,894)
Prepaid expenses and other assets	(22,524)	1,033	(4,872)
Accounts payable and accrued expenses	5,586	(5,648)	14,513
Other liabilities	(1,126)	709	(903)
Net cash provided by operating activities	65,233	59,001	65,715
CASH FLOWS FROM INVESTING ACTIVITIES
Acquisition of real estate	(220,041)	(241,894)	(116,408)
Redevelopment and property improvement costs	(106,883)	(88,787)	(65,090)
Deferred leasing costs	(4,617)	(7,275)	(6,298)
Insurance proceeds from involuntary conversion of asset	0	3,672	0
Investments in and advances to unconsolidated affiliates	(56,171)	(160,888)	(54,981)
Return of capital from unconsolidated affiliates	108,899	22,296	4,504
Consolidation of previously unconsolidated investment	(1,864)	0	0
Proceeds from notes receivable	29,583	25,388	56,519
Issuance of notes receivable	(45,050)	(108,629)	(34,343)
Proceeds from sale of properties	204,537	419,372	62,940
Net cash used in investing activities	(87,879)	(136,745)	(153,157)
CASH FLOWS FROM FINANCING ACTIVITIES
Principal payments on mortgage and other notes	(437,257)	(549,095)	(161,389)
Proceeds received on mortgage and other notes	572,443	433,815	144,959
Loan proceeds held as restricted cash	(109,795)	0	0
Purchase of convertible notes payable	(550)	0	(48,997)
Deferred financing and other costs	(11,741)	(6,772)	(2,877)
Capital contributions from noncontrolling interests	49,324	172,228	117,945
Distributions to noncontrolling interests	(88,975)	(161,765)	(8,605)
Dividends paid to Common Shareholders	(44,115)	(32,143)	(29,033)
Proceeds from issuance of Common Shares, net of issuance costs of $1,645, $3,054, and $206 respectively	80,688	223,477	44,659
Net cash provided by financing activities	10,022	79,745	56,662
(Decrease) increase in cash and cash equivalents	(12,624)	2,001	(30,780)
Cash and cash equivalents, beginning of period	91,813	89,812	120,592
Cash and cash equivalents, end of period	79,189	91,813	89,812
Supplemental disclosure of cash flow information
Cash paid during the period for interest, net of capitalized interest of $9,193, $5,955, and $4,850, respectively	41,543	32,327	32,120
Cash paid for income taxes	301	941	3,776
Supplemental disclosure of non-cash investing activities
Acquisition of real estate through assumption of debt	0	63,766	0
Acquisition of real estate through issuance of OP Units	33,300	2,279	0
Acquisition of real estate through conversion of notes receivable	18,500	14,000	0
Consolidation of previously unconsolidated investment
Real estate, net	(118,484)	0	0
Mortgage notes payable	166,200	0	0
Distributions in excess of income from, and investments in, unconsolidated affiliates	(10,298)	0	0
Other assets and liabilities	(1,605)	0	0
Noncontrolling interest	$ (33,949)	$ 0	$ 0