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LONG-TERM DEBT - Outstanding Debt (Detail) - USD ($)
$ in Thousands
Mar. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Debt Instrument [Line Items]      
Less deferred financing costs, net of accumulated amortization $ (12,348) $ (12,856) $ (9,692)
Total debt 343,582 368,337 321,046
Less current maturities (2,139) (374) (798)
Total long-term debt 341,443 367,963 320,248
Senior Secured Notes      
Debt Instrument [Line Items]      
Long-term debt, gross 353,648 380,619  
Senior Notes | 7.875% notes, due 2021      
Debt Instrument [Line Items]      
Long-term debt, gross     173,613
Credit facility      
Debt Instrument [Line Items]      
Long-term debt, gross     155,739
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 $ 2,282 $ 574 $ 1,294