CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
Real estate properties:
Land	$ 1,671,210	$ 1,626,239
Buildings, improvements and equipment	7,962,010	7,896,734
Total real estate properties, gross	9,633,220	9,522,973
Accumulated depreciation	(2,979,795)	(2,973,384)
Total real estate properties, net	6,653,425	6,549,589
Cash and cash equivalents	23,675	25,966
Restricted cash	75,129	50,037
Due from related persons	79,710	91,212
Other assets, net	423,865	460,275
Total assets	7,255,804	7,177,079
LIABILITIES AND SHAREHOLDERS’ EQUITY
Unsecured revolving credit facility	141,000	177,000
Unsecured term loan, net	397,442	397,292
Senior unsecured notes, net	3,600,314	3,598,295
Security deposits	116,448	132,816
Accounts payable and other liabilities	250,925	211,332
Due to related persons	13,109	62,913
Total liabilities	4,519,238	4,579,648
Commitments and contingencies
Shareholders’ equity:
Common shares of beneficial interest, $.01 par value; 200,000,000 shares authorized; 164,441,709 shares issued and outstanding	1,644	1,644
Additional paid in capital	4,545,917	4,545,481
Cumulative other comprehensive loss	(200)	(266)
Cumulative net income available for common shareholders	3,457,682	3,231,895
Cumulative common distributions	(5,268,477)	(5,181,323)
Total shareholders’ equity	2,736,566	2,597,431
Total liabilities and shareholders’ equity	$ 7,255,804	$ 7,177,079