Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016
Current assets:
Cash and cash equivalents	$ 40,245	$ 73,534
Accounts and notes receivable, net of allowance for doubtful accounts of $1,980 and $1,931 as of March 31, 2017 and December 31, 2016, respectively	99,113	84,156
Inventory, net	13,323	12,527
Restricted cash	46,977	32,213
Prepaid expenses, deferred costs, and other current assets	73,364	67,107
Total current assets	273,022	269,537
Property and equipment, net of accumulated depreciation of $421,268 and $397,972 as of March 31, 2017 and December 31, 2016, respectively	480,959	392,735
Intangible assets, net	297,926	121,230
Goodwill	883,221	533,075
Deferred tax asset, net	8,916	13,004
Prepaid expenses, deferred costs, and other noncurrent assets	38,824	35,115
Total assets	1,982,868	1,364,696
Current liabilities:
Current portion of other long-term liabilities	27,283	28,237
Accounts payable	43,090	44,965
Accrued liabilities	285,818	240,618
Total current liabilities	356,191	313,820
Long-term liabilities:
Long-term debt	996,172	502,539
Asset retirement obligations	53,263	45,086
Deferred tax liability, net	52,100	27,625
Other long-term liabilities	65,874	18,691
Total liabilities	1,523,600	907,761
Commitments and contingencies (See Note 13)
Shareholders' equity:
Ordinary shares, $0.01 nominal value; 45,625,774 and 45,326,430 issued and outstanding as of March 31, 2017 and December 31, 2016, respectively	456	453
Additional paid-in capital	305,614	311,041
Accumulated other comprehensive loss, net	(98,484)	(107,135)
Retained earnings	251,755	252,656
Total parent shareholders' equity	459,341	457,015
Noncontrolling interests	(73)	(80)
Total shareholders' equity	459,268	456,935
Total liabilities and shareholders' equity	$ 1,982,868	$ 1,364,696