CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Mar. 31, 2018	Dec. 31, 2017
Current assets
Cash and cash equivalents	$ 111,245	$ 120,112
Trade and other receivables, net	387,862	318,641
Inventories	110,826	111,393
Prepaid expenses and other assets	350,653	258,171
Derivative financial instruments	73,940	99,320
Total current assets	1,034,526	907,637
Property and equipment, net	21,207,786	19,735,180
Goodwill	288,479	288,512
Other assets	1,440,181	1,429,597
Total assets	23,970,972	22,360,926
Current liabilities
Current portion of long-term debt	1,144,017	1,188,514
Accounts payable	454,576	360,113
Accrued interest	90,388	47,469
Accrued expenses and other liabilities	680,397	903,022
Derivative financial instruments	40,314	47,464
Customer deposits	2,785,462	2,308,291
Total current liabilities	5,195,154	4,854,873
Long-term debt	7,664,722	6,350,937
Other long-term liabilities	464,300	452,813
Commitments and contingencies (Note 7)
Shareholders’ equity
Preferred stock ($0.01 par value; 20,000,000 shares authorized; none outstanding)	0	0
Common stock ($0.01 par value; 500,000,000 shares authorized; 235,738,538 and 235,198,901 shares issued, March 31, 2018 and December 31, 2017, respectively)	2,357	2,352
Paid-in capital	3,390,055	3,390,117
Retained earnings	9,090,544	9,022,405
Accumulated other comprehensive loss	(182,815)	(334,265)
Treasury stock (24,008,342 and 21,861,308 common shares at cost, March 31, 2018 and December 31, 2017, respectively)	(1,653,345)	(1,378,306)
Total shareholders’ equity	10,646,796	10,702,303
Total liabilities and shareholders' equity	$ 23,970,972	$ 22,360,926