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LONG-TERM DEBT - Outstanding Debt (Detail) - USD ($)
$ in Thousands
Jun. 30, 2019
Dec. 31, 2018
Debt Instrument [Line Items]    
Less deferred financing costs, net of accumulated amortization $ (14,345) $ (9,692)
Total debt 358,166 321,046
Less current maturities (591) (798)
Total long-term debt 357,575 320,248
9.875%/11.500% Senior Secured PIK Toggle Notes, due June 2024    
Debt Instrument [Line Items]    
Long-term debt, gross 371,547  
Credit facility    
Debt Instrument [Line Items]    
Long-term debt, gross   155,739
Senior Notes | 7.875% notes, due 2021    
Debt Instrument [Line Items]    
Long-term debt, gross   173,613
Notes Payable, other Payables | Acquisitions Debt    
Debt Instrument [Line Items]    
Long-term debt, gross   92
Insurance and vehicle financing    
Debt Instrument [Line Items]    
Long-term debt, gross $ 964 $ 1,294