Condensed Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013		Dec. 31, 2012
ASSETS
Property	$ 4,308,849		$ 4,399,850
Accumulated Depreciation	(1,060,419)		(1,040,839)
Property, net	3,248,430	[1]	3,359,011	[1]
Investment in Real Estate Joint Ventures and Partnerships, net	281,203		289,049
Total	3,529,633		3,648,060
Notes Receivable from Real Estate Joint Ventures and Partnerships	84,142		89,776
Unamortized Debt and Lease Costs, net	137,000		135,783
Accrued Rent and Accounts Receivable (net of allowance for doubtful accounts of $10,199 in 2013 and $12,127 in 2012)	76,828	[1]	79,540	[1]
Cash and Cash Equivalents	51,730	[1]	19,604	[1]
Restricted Deposits and Mortgage Escrows	57,468		44,096
Other, net	181,746		167,925
Total Assets	4,118,547		4,184,784
LIABILITIES AND EQUITY
Debt, net	2,293,898	[1]	2,204,030	[1]
Accounts Payable and Accrued Expenses	116,985		119,699
Other, net	113,375		120,900
Total Liabilities	2,524,258		2,444,629
Commitments and Contingencies	0		0
Shareholders' Equity:
Common Shares of Beneficial Interest - par value, $.03 per share; shares authorized: 275,000; shares issued and outstanding: 121,940 in 2013 and 121,505 in 2012	3,683		3,663
Additional Paid-In Capital	1,690,687		1,934,183
Net Income Less Than Accumulated Dividends	(310,568)		(335,980)
Accumulated Other Comprehensive Loss	(15,147)		(24,743)
Total Shareholders' Equity	1,368,657		1,577,130
Noncontrolling Interests	225,632		163,025
Total Equity	1,594,289		1,740,155
Total Liabilities and Equity	4,118,547		4,184,784
Consolidated Variable Interest Entities' Assets and Liabilities included in the above balances (See Note 17):
Property, net	210,134		226,685
Accrued Rent and Accounts Receivable, net	5,870		8,095
Cash and Cash Equivalents	13,640		11,706
Debt, net	$ 210,400		$ 276,420

[1] Consolidated Variable Interest Entities’ Assets and Liabilities included in the above balances (See Note 17):