CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Net income (loss)	$ 14,014	$ (84,846)
Depreciation	93,561	99,271
Amortization	686	8,766
Straight-line rent adjustments	(1,953)	(1,321)
Provision for doubtful accounts	1,513	2,945
Amortization of deferred compensation	4,518	4,678
Loss on Hedge Ineffectiveness	143	512
Gain on sale of non operating real estate	(22,962)	(12,429)
Equity in income of partnerships in excess of distributions	(5,070)	(3,006)
Amortization Of Historic Tax Credits Related To Cash Flow	1,768	1,591
Impairment of assets and expensed project costs	24,589	86,648
Change in assets and liabilities:
Net change in other assets	1,753	2,564
Net change in other liabilities	(4,872)	(11,213)
Net cash provided by operating activities	104,152	90,978
Cash flows from investing activities:
Investments in consolidated real estate acquisitions	0	(319,986)
Additions to construction in progress	(48,312)	(21,697)
Investments in real estate improvements	(32,846)	(33,922)
Proceeds from Sale of Real Estate Held-for-investment	154,764	37,056
Additions to leasehold improvements	(449)	(381)
Investments in partnerships	(9,995)	(18,906)
Capitalized leasing costs	(4,394)	(4,837)
Decrease in cash escrows	3,098	1,803
Cash distributions from partnerships in excess of equity in income	6,014	4,873
Net cash provided by (used in) investing activities	67,880	(355,997)
Cash flows from financing activities:
Proceeds from Issuance of Long-term Debt		120,000
Proceeds from Lines of Credit	50,000	210,000
Proceeds from mortgage loans	139,000	272,044
Principal installments on mortgage loans	(12,711)	(14,945)
Repayments of mortgage loans	(280,327)	(272,776)
Payment of deferred financing costs	(3,335)	(3,634)
Dividends paid to common shareholders	(43,769)	(43,556)
Dividends paid to preferred shareholders	(11,886)	(11,886)
Distributions paid to Operating Partnership unit holders and noncontrolling interest	(5,245)	(3,951)
Value of shares of beneficial interest issued	947	1,081
Value of shares retired under equity incentive plans, net of shares issued	(2,177)	(5,655)
Net cash (used in) provided by financing activities	(169,503)	246,722
Net change in cash and cash equivalents	2,529	(18,297)
Cash and cash equivalents, beginning of period	22,855	40,433
Cash and cash equivalents, end of period	$ 25,384	$ 22,136