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Income Taxes - Schedule of Deferred Tax Assets and Liabilities (Detail) - USD ($)
$ in Thousands
Dec. 31, 2016
Dec. 31, 2015
Income Tax Disclosure [Abstract]    
Allowance for doubtful accounts $ 158 $ 722
Inventory 2,048 2,331
Deferred compensation 4,003 4,525
Other accrued liabilities 3,024 8,084
Hedging   54
Net operating loss 150,277 19,769
Other 18,337 6,429
Less valuation allowance on deferred tax assets (13,128) (1,242)
Property, plant and equipment 249,714 82,760
Prepaid and other insurance reserves 4,603 4,904
Other 4,233 413
Net deferred tax liabilities (93,831) (47,405)
Consolidated balance sheet classification:    
Net current deferred tax assets   4,774
Net noncurrent deferred tax liabilities (93,831) (52,179)
Net deferred tax liabilities $ (93,831) $ (47,405)