Restatement of Previously Issued Financial Statements - Schedule of Unaudited Condensed Consolidated Balance Sheet, Including Balances Originally Reported, Corrections and as Restated Balances (Details) - USD ($) $ in Thousands	Mar. 31, 2018	Dec. 31, 2017
Assets
Accumulated depreciation, depletion and amortization	$ (289,484)	$ (274,374)
Net property and equipment	589,631	570,270
Total assets	609,664	591,808
Liabilities and Stockholders' Equity
Deferred tax liabilities, net	1,577	4,769
Total long-term liabilities	348,132	324,162
Accumulated deficit	(130,372)	(113,836)
Total stockholders' equity	186,760	$ 203,690
As Previously Reported
Assets
Accumulated depreciation, depletion and amortization	(274,630)
Net property and equipment	604,485
Total assets	624,518
Liabilities and Stockholders' Equity
Deferred tax liabilities, net	4,891
Total long-term liabilities	351,446
Accumulated deficit	(118,832)
Total stockholders' equity	198,300
Correction
Assets
Accumulated depreciation, depletion and amortization	(14,854)
Net property and equipment	(14,854)
Total assets	(14,854)
Liabilities and Stockholders' Equity
Deferred tax liabilities, net	(3,314)
Total long-term liabilities	(3,314)
Accumulated deficit	(11,540)
Total stockholders' equity	$ (11,540)