CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016
Real estate properties:
Land	$ 806,369	$ 803,773
Buildings and improvements	6,993,451	6,926,750
Total real estate properties, gross	7,799,820	7,730,523
Accumulated depreciation	(1,426,382)	(1,328,011)
Total real estate properties, net	6,373,438	6,402,512
Cash and cash equivalents	27,160	31,749
Restricted cash	13,776	3,829
Acquired real estate leases and other intangible assets, net	476,494	514,446
Other assets, net	292,752	275,218
Total assets	7,183,620	7,227,754
LIABILITIES AND EQUITY
Unsecured revolving credit facility	434,000	327,000
Unsecured term loans, net	547,434	547,058
Senior unsecured notes, net	1,724,210	1,722,758
Secured debt and capital leases, net	817,083	1,117,649
Accrued interest	17,486	18,471
Assumed real estate lease obligations, net	101,007	106,038
Other liabilities	201,621	189,375
Total liabilities	3,842,841	4,028,349
Commitments and contingencies
Equity attributable to common shareholders:
Common shares of beneficial interest, $.01 par value: 300,000,000 shares authorized, 237,558,963 and 237,544,479 shares issued and outstanding at June 30, 2017 and December 31, 2016, respectively	2,376	2,375
Additional paid in capital	4,607,742	4,533,456
Cumulative net income	1,667,082	1,618,885
Cumulative other comprehensive income	58,861	34,549
Cumulative distributions	(3,175,144)	(2,989,860)
Total equity attributable to common shareholders	3,160,917	3,199,405
Noncontrolling interest:
Total equity attributable to noncontrolling interest	179,862	0
Total equity	3,340,779	3,199,405
Total liabilities and equity	$ 7,183,620	$ 7,227,754