CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Mar. 31, 2018	Dec. 31, 2017
Real estate properties:
Land	$ 1,668,664	$ 1,668,797
Buildings, improvements and equipment	7,794,387	7,758,862
Total real estate properties, gross	9,463,051	9,427,659
Accumulated depreciation	(2,859,877)	(2,784,478)
Total real estate properties, net	6,603,174	6,643,181
Cash and cash equivalents	16,832	24,139
Restricted cash	59,533	73,357
Due from related persons	82,213	78,513
Other assets, net	359,122	331,195
Total assets	7,120,874	7,150,385
LIABILITIES AND SHAREHOLDERS’ EQUITY
Unsecured revolving credit facility	86,000	398,000
Unsecured term loan, net	399,252	399,086
Senior unsecured notes, net	3,592,291	3,203,962
Security deposits	119,356	126,078
Accounts payable and other liabilities	164,971	184,788
Due to related persons	9,030	83,049
Total liabilities	4,370,900	4,394,963
Commitments and contingencies
Shareholders’ equity:
Common shares of beneficial interest, $.01 par value; 200,000,000 shares authorized; 164,345,747 and 164,349,141 shares issued and outstanding, respectively	1,643	1,643
Additional paid in capital	4,542,206	4,542,307
Cumulative net income	3,468,938	3,310,017
Cumulative other comprehensive income	550	79,358
Cumulative preferred distributions	(343,412)	(343,412)
Cumulative common distributions	(4,919,951)	(4,834,491)
Total shareholders’ equity	2,749,974	2,755,422
Total liabilities and shareholders’ equity	$ 7,120,874	$ 7,150,385