Condensed Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014		Dec. 31, 2013
ASSETS
Property	$ 4,229,249		$ 4,289,276
Accumulated Depreciation	(1,068,733)		(1,058,040)
Property Held for Sale, net	1,536		122,614
Property, net	3,162,052	[1]	3,353,850	[1]
Investment in Real Estate Joint Ventures and Partnerships, net	264,605		266,158
Total	3,426,657		3,620,008
Notes Receivable from Real Estate Joint Ventures and Partnerships	12,834		13,330
Unamortized Debt and Lease Costs, net	147,191		164,828
Accrued Rent and Accounts Receivable (net of allowance for doubtful accounts of $9,216 in 2014 and $9,386 in 2013)	73,656	[1]	82,351	[1]
Cash and Cash Equivalents	9,199	[1]	91,576	[1]
Restricted Deposits and Mortgage Escrows	3,500		4,502
Other, net	196,135		247,334
Total Assets	3,869,172		4,223,929
LIABILITIES AND EQUITY
Debt, net	2,096,067	[1]	2,299,844	[1]
Accounts Payable and Accrued Expenses	82,385		108,535
Other, net	120,789		127,572
Total Liabilities	2,299,241		2,535,951
Commitments and Contingencies	0		0
Shareholders' Equity:
6.5% Series F cumulative redeemable preferred shares of beneficial interest; 140 shares issued; 60 shares outstanding in 2014 and 2013; liquidation preference $150,000 in 2014 and 2013	2		2
Common Shares of Beneficial Interest - par value, $.03 per share; shares authorized: 275,000; shares issued and outstanding: 122,163 in 2014 and 121,949 in 2013	3,690		3,683
Additional Paid-In Capital	1,695,835		1,679,229
Net Income Less Than Accumulated Dividends	(279,647)		(300,537)
Accumulated Other Comprehensive Loss	(3,621)		(4,202)
Total Shareholders' Equity	1,416,259		1,378,175
Noncontrolling Interests	153,672		309,803
Total Equity	1,569,931		1,687,978
Total Liabilities and Equity	3,869,172		4,223,929
Consolidated variable interest entities' assets held as collateral and debt included in the above balances (see Note 16):
Property, net	49,101		70,734
Accrued Rent and Accounts Receivable, net	2,447		2,855
Cash and Cash Equivalents	5,026		6,548
Debt, net	$ 98,557		$ 109,923

[1] Consolidated variable interest entities' assets held as collateral and debt included in the above balances (see Note 16):