CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
CASH FLOWS FROM OPERATING ACTIVITIES
Net income	$ 73,875	$ 38,537
Adjustments to reconcile net income to net cash provided by operating activities
Depreciation and amortization	16,849	13,658
Amortization of financing costs	625	768
Gain on disposition of properties	(65,393)	(27,143)
Stock compensation expense	4,019	1,889
Equity in earnings of unconsolidated affiliates	(1,954)	(6,593)
Distributions of operating income from unconsolidated affiliates	1,082	5,889
Other, net	(2,031)	(1,346)
Changes in assets and liabilities
Cash in escrow	3,259	(6,232)
Rents receivable, net	(3,596)	(1,354)
Prepaid expenses and other assets	881	8,015
Accounts payable and accrued expenses	(792)	2,437
Other liabilities	(8,849)	(1,908)
Net cash provided by operating activities	17,975	26,617
CASH FLOWS FROM INVESTING ACTIVITIES
Acquisition of real estate	(12,287)	(220,271)
Cash in escrow for property acquisitions	0	(33,000)
Redevelopment and property improvement costs	(37,463)	(40,494)
Deferred leasing costs	(847)	(2,805)
Investments in and advances to unconsolidated affiliates	(8,034)	(3,151)
Return of capital from unconsolidated affiliates	34,235	1,946
Proceeds from notes receivable	20,500	0
Issuance of notes receivable	(27,800)	(550)
Proceeds from sale of properties, net	104,458	63,224
Net cash provided by (used in) investing activities	72,762	(235,101)
CASH FLOWS FROM FINANCING ACTIVITIES
Principal payments on mortgage and other notes	(99,501)	(30,390)
Principal payments on unsecured debt	(101,500)	0
Proceeds received from mortgage and other notes	1,945	42,120
Proceeds received from unsecured debt	134,616	127,600
Loan proceeds held as restricted cash	0	25,203
Deferred financing and other costs	(475)	(1,232)
Capital contributions from noncontrolling interests	46,343	50
Distributions to noncontrolling interests	(56,995)	(34,718)
Dividends paid to Common Shareholders	(35,112)	(36,779)
Proceeds from issuance of Common Shares, net of issuance costs of $1,654 and $440, respectively	32,026	18,605
Net cash (used in) provided by financing activities	(78,653)	110,459
Increase (decrease) in cash and cash equivalents	12,084	(98,025)
Cash and cash equivalents, beginning of period	72,776	217,580
Cash and cash equivalents, end of period	84,860	119,555
Supplemental disclosure of cash flow information
Cash paid during the period for interest, net of capitalized interest of $5,115 and $3,673, respectively	8,437	13,344
Cash paid for income taxes	(256)	902
Supplemental disclosure of non-cash investing activities
Acquisition of real estate through assumption of debt	1,463	9,765
Acquisition of capital lease obligation	76,461	0
Acquisition of real estate through issuance of OP Units	$ 29,336	$ 0