Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014
ASSETS
Cash and cash equivalents	$ 78,402	$ 74,393
Restricted cash	985
Accounts receivable, net of allowance of $1,370 and $748, respectively	250,537	248,588
Current deferred tax assets	8,411	13,229
Prepaid expenses and other current assets	36,233	29,775
Total current assets	374,568	365,985
Property and equipment, net	2,772,743	2,658,628
Restricted cash	122	2,858
Investment in direct financing lease	1,348	3,223
Goodwill	15,155	16,110
Non-current deferred tax assets	5,876	2,301
Other assets	80,820	78,086
Total assets	3,250,632	3,127,191
LIABILITIES AND STOCKHOLDERS' EQUITY
Accounts payable and accrued expenses	322,271	317,566
Income taxes payable	1,483	1,368
Current liabilities of discontinued operations		54
Total current liabilities	323,754	318,988
Long-term debt	1,320,000	1,200,000
Deferred revenue	72,722	87,227
Other liabilities	60,275	39,476
Total liabilities	$ 1,776,751	$ 1,645,691
Commitments and contingencies
Preferred stock - $0.01 par value; 50,000 shares authorized; none issued and outstanding at September 30, 2015 and December 31, 2014, respectively	$ 0	$ 0
Common stock - $0.01 par value; 300,000 shares authorized; 117,223 and 116,764 shares issued and outstanding at September 30, 2015 and December 31, 2014, respectively	1,172	1,168
Additional paid-in capital	1,758,386	1,748,303
Accumulated deficit	(285,677)	(267,971)
Total stockholders' equity	1,473,881	1,481,500
Total liabilities and stockholders' equity	$ 3,250,632	$ 3,127,191