Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2018	Dec. 31, 2017
ASSETS
Operating (including $1,665,185 and $1,639,486 of consolidated variable interest entities, respectively)	$ 7,256,876	$ 6,950,188
Construction-in-progress (including $60,937 and $43,393 of consolidated variable interest entities, respectively)	481,994	684,873
Assets held for sale	21,990	0
Real estate, at cost, total	7,760,860	7,635,061
Less accumulated depreciation and amortization (including $280,028 and $247,410 of consolidated variable interest entities, respectively)	(2,018,627)	(1,876,544)
Net real estate	5,742,233	5,758,517
Cash and cash equivalents	41,872	15,188
Accounts and notes receivable, net	151,403	209,877
Mortgage notes receivable, net	30,429	30,429
Investment in real estate partnerships	27,647	23,941
Prepaid expenses and other assets	292,080	237,803
TOTAL ASSETS	6,285,664	6,275,755
Liabilities
Mortgages payable, net (including $445,831 and $460,372 of consolidated variable interest entities, respectively)	476,057	491,505
Capital lease obligations	71,529	71,556
Notes payable, net	305,483	320,265
Senior notes and debentures, net	2,403,565	2,401,440
Accounts payable and accrued expenses	184,683	196,332
Dividends payable	77,809	75,931
Security deposits payable	17,698	16,667
Other liabilities and deferred credits	173,953	169,388
Total liabilities	3,710,777	3,743,084
Commitments and contingencies (Note 6)
Redeemable noncontrolling interests	141,448	141,157
Shareholders’ equity
Common shares of beneficial interest, $.01 par, 100,000,000 shares authorized, 73,859,280 and 73,090,877 shares issued and outstanding, respectively	741	733
Additional paid-in capital	2,946,555	2,855,321
Accumulated dividends in excess of net income	(795,649)	(749,367)
Accumulated other comprehensive income	127	22
Total shareholders’ equity of the Trust	2,311,771	2,266,706
Noncontrolling interests	121,668	124,808
Total shareholders’ equity	2,433,439	2,391,514
TOTAL LIABILITIES AND SHAREHOLDERS' EQUITY	6,285,664	6,275,755
5.0% Series C Cumulative Redeemable Preferred Shares, (stated at liquidation preference $25,000 per share), 6,000 shares issued and outstanding
Shareholders’ equity
Preferred shares, authorized 15,000,000 shares, $.01 par	150,000	150,000
5.417% Series 1 Cumulative Convertible Preferred Shares, (stated at liquidation preference $25 per share), 399,896 shares issued and outstanding
Shareholders’ equity
Preferred shares, authorized 15,000,000 shares, $.01 par	$ 9,997	$ 9,997