Condensed Consolidated Balance Sheets (Unaudited) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015		Dec. 31, 2014
ASSETS
Property	$ 4,163,531		$ 4,076,094
Accumulated Depreciation	(1,045,495)		(1,028,619)
Property Held for Sale, net	1,775		3,670
Property, net	3,119,811	[1]	3,051,145	[1]
Investment in Real Estate Joint Ventures and Partnerships, net	255,890		257,156
Total	3,375,701		3,308,301
Unamortized Debt and Lease Costs, net	141,726		141,122
Accrued Rent and Accounts Receivable (net of allowance for doubtful accounts of $6,519 in 2015 and $7,680 in 2014)	68,810	[1]	77,781	[1]
Cash and Cash Equivalents	40,168	[1]	23,189	[1]
Restricted Deposits and Mortgage Escrows	28,641		79,998
Other, net	181,963		183,703
Total Assets	3,837,009		3,814,094
LIABILITIES AND EQUITY
Debt, net	1,940,897	[1]	1,938,188	[1]
Accounts Payable and Accrued Expenses	88,474		112,479
Other, net	132,110		124,484
Total Liabilities	2,161,481		2,175,151
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 2015 and 2014; liquidation preference $150,000 in 2015 and 2014	2		2
Common Shares of Beneficial Interest - par value, $.03 per share; shares authorized: 275,000; shares issued and outstanding: 123,585 in 2015 and 122,489 in 2014	3,733		3,700
Additional Paid-In Capital	1,741,804		1,706,880
Net Income Less Than Accumulated Dividends	(210,499)		(212,960)
Accumulated Other Comprehensive Loss	(12,959)		(12,436)
Total Shareholders’ Equity	1,522,081		1,485,186
Noncontrolling Interests	153,447		153,757
Total Equity	1,675,528		1,638,943
Total Liabilities and Equity	3,837,009		3,814,094
Consolidated variable interest entities' assets held as collateral and debt included in the above balances (see Note 15):
Property, net	46,505		47,085
Accrued Rent and Accounts Receivable, net	1,781		2,576
Cash and Cash Equivalents	10,973		12,189
Debt, net	$ 96,952		$ 97,362

[1] Consolidated variable interest entities' assets held as collateral and debt included in the above balances (see Note 15):