CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016
Proceeds from (Repayments of) Lines of Credit	$ 3,000	$ 50,000
Proceeds from Issuance of Preferred Stock and Preference Stock	282,005
Adjustments to reconcile net (loss) income to net cash provided by operating activities:
Net income (loss)	(41,463)	14,014
Depreciation	87,963	93,561
Amortization	8,695	686
Straight-line rent adjustments	(1,908)	(1,953)
Provision for doubtful accounts	1,281	1,513
Amortization of deferred compensation	4,518	4,518
Loss on Hedge Ineffectiveness	0	143
Equity Method Investment, Realized Gain (Loss) on Disposal	(6,718)	0
Gain on sale of non operating real estate	(112)	(22,962)
Equity in income of partnerships in excess of distributions	(3,024)	(5,070)
Amortization Of Historic Tax Credits Related To Cash Flow	1,768	1,768
Impairment of assets	55,742	24,589
Change in assets and liabilities:
Net change in other assets	(5,682)	1,753
Net change in other liabilities	(4,556)	(4,872)
Net cash provided by operating activities	92,968	104,152
Cash flows from investing activities:
Additions to construction in progress	(93,178)	(48,312)
Investments in real estate improvements	(36,850)	(32,846)
Proceeds from Sale of Real Estate Held-for-investment	77,778	154,764
Proceeds from Sale of Equity Method Investments	30,265
Additions to leasehold improvements and corporate fixed assets	(511)	(449)
Investments in partnerships	(56,778)	(9,995)
Capitalized leasing costs	(4,633)	(4,394)
Decrease in cash escrows	2,311	3,098
Cash distributions from partnerships in excess of equity in income	1,895	6,014
Net cash (used in) provided by investing activities	(79,701)	67,880
Cash flows from financing activities:
Proceeds from mortgage loans		139,000
Repayments of Other Long-term Debt	12,581	12,711
Repayments of mortgage loans	(150,000)	(280,327)
Payment of deferred financing costs	(71)	(3,335)
Dividends paid to common shareholders	(43,959)	(43,769)
Dividends paid to preferred shareholders	(19,752)	(11,886)
Distributions paid to Operating Partnership unit holders and noncontrolling interest	(5,232)	(5,245)
Value of shares of beneficial interest issued	1,790	947
Value of shares retired under equity incentive plans, net of shares issued	(1,328)	(2,177)
Net cash provided by (used in) financing activities	53,872	(169,503)
Net change in cash and cash equivalents	67,139	$ 2,529
Cash and cash equivalents, beginning of period	9,803
Cash and cash equivalents, end of period	$ 76,942