CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Real estate properties:
Land	$ 785,388	$ 781,426
Buildings and improvements	6,704,728	6,675,514
Total real estate properties, gross	7,490,116	7,456,940
Accumulated depreciation	(1,193,550)	(1,147,540)
Total real estate properties, net	6,296,566	6,309,400
Cash and cash equivalents	39,199	37,656
Restricted cash	6,853	6,155
Acquired real estate leases and other intangible assets, net	580,221	604,286
Other assets, net	231,312	202,593
Total assets	7,154,151	7,160,090
LIABILITIES AND SHAREHOLDERS' EQUITY
Unsecured revolving credit facility	561,000	775,000
Unsecured term loans, net	546,493	546,305
Senior unsecured notes, net	1,720,714	1,478,536
Secured debt and capital leases, net	669,314	679,295
Accrued interest	33,628	16,974
Assumed real estate lease obligations, net	114,507	115,363
Other liabilities	185,751	188,857
Total liabilities	$ 3,831,407	$ 3,800,330
Commitments and contingencies
Shareholders' equity:
Common shares of beneficial interest, $.01 par value: 300,000,000 shares authorized, 237,471,559 issued and outstanding at March 31, 2016 and December 31, 2015	$ 2,375	$ 2,375
Additional paid in capital	4,531,790	4,531,703
Cumulative net income	1,508,862	1,477,590
Cumulative other comprehensive losses	(8,298)	(32,537)
Cumulative distributions	(2,711,985)	(2,619,371)
Total shareholders' equity	3,322,744	3,359,760
Total liabilities and shareholders' equity	$ 7,154,151	$ 7,160,090