Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014
ASSETS
Operating (including $365,318 and $282,303 of consolidated variable interest entities, respectively)	$ 5,423,981	$ 5,128,757
Construction-in-progress	492,865	480,241
Real estate, at cost, total	5,916,846	5,608,998
Less accumulated depreciation and amortization (including $32,566 and $26,618 of consolidated variable interest entities, respectively)	(1,546,176)	(1,467,050)
Net real estate	4,370,670	4,141,948
Cash and cash equivalents	12,864	47,951
Accounts and notes receivable, net	112,267	93,291
Mortgage notes receivable, net	41,250	50,988
Investment in real estate partnerships	41,329	37,457
Prepaid expenses and other assets	188,503	160,167
Debt issuance costs, net of accumulated amortization of $10,453 and $11,441, respectively	16,920	15,068
TOTAL ASSETS	4,783,803	4,546,870
Liabilities
Mortgages payable (including $178,811 and $187,632 of consolidated variable interest entities, respectively)	426,871	563,698
Capital lease obligations	71,627	71,647
Notes payable	290,207	290,519
Senior notes and debentures	1,744,120	1,483,813
Accounts payable and accrued expenses	154,763	145,685
Dividends payable	66,296	60,620
Security deposits payable	15,872	14,115
Other liabilities and deferred credits	115,300	105,164
Total liabilities	$ 2,885,056	$ 2,735,261
Commitments and contingencies (Note 7)
Redeemable noncontrolling interests	$ 121,172	$ 119,053
Shareholders’ equity
Preferred shares, authorized 15,000,000 shares, $.01 par: 5.417% Series 1 Cumulative Convertible Preferred Shares, (stated at liquidation preference $25 per share), 399,896 shares issued and outstanding	9,997	9,997
Common shares of beneficial interest, $.01 par, 100,000,000 shares authorized, 69,448,874 and 68,605,783 shares issued and outstanding, respectively	696	687
Additional paid-in capital	2,389,344	2,281,223
Accumulated dividends in excess of net income	(727,203)	(683,991)
Accumulated other comprehensive loss	(7,130)	(3,515)
Total shareholders’ equity of the Trust	1,665,704	1,604,401
Noncontrolling interests	111,871	88,155
Total shareholders’ equity	1,777,575	1,692,556
TOTAL LIABILITIES AND SHAREHOLDERS’ EQUITY	$ 4,783,803	$ 4,546,870