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INCOME TAXES - Narrative (Detail) - USD ($)
$ in Thousands
 3 Months Ended 12 Months Ended
Dec. 31, 2018
Sep. 30, 2018
Mar. 31, 2018
Dec. 31, 2017
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Operating Loss Carryforwards [Line Items]              
Deferred income taxes adjustment         $ 1,250 $ (15,525) $ 583
Deferred tax liabilities, goodwill $ 937       937    
Increase in tax provision due to Tax Act           33,700  
Increase (decrease) deferred tax benefit related to continuing operations       $ (29,234)   (36,556)  
Deferred tax benefit of indefinite lived deferred tax liabilities       12,758 0 12,758 0
Deferred federal taxes asset 9,594     11,567 9,594 11,567  
Long-term deferred state tax liability (2,519)     (2,305) (2,519) (2,305)  
Net operating loss carryforwards subject to expiration 110,586       110,586    
Net operating loss carryforwards not subject to expiration 3,209       3,209    
State net operating loss carryforwards expiry period 86,312       86,312    
Alternative minimum tax credit carryforwards 1,902     3,804 1,902 3,804  
General business tax credit carryforwards 6,192     5,439 6,192 5,439  
Increase (decrease) in valuation allowance         834 (29,234)  
Deferred tax expense (benefit) due to Tax Cuts and Jobs Act       (15,614)      
Unrecognized tax benefit net of federal benefit on state issue 2     6 2 6  
Unrecognized tax benefits 2       2    
Uncertain tax positions, accrued interest 2     3 2 3 5
Uncertain tax positions, penalties 1     2 1 2 4
Accrued income tax expense (2)     $ (3) (2) $ (3) $ (91)
Goodwill              
Operating Loss Carryforwards [Line Items]              
Deferred income taxes adjustment 292 $ 406 $ (1,635)   (937)    
Complete Disposal Company, Inc              
Operating Loss Carryforwards [Line Items]              
Net operating loss carryforwards $ 1,320       $ 1,320