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FAIR VALUE OF FINANCIAL INSTRUMENTS (Detail) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Assets:    
Restricted investment securities - landfill closure $ 2,203 $ 1,900
Liabilities:    
Derivative Asset, Statement Of Financial Position Extensible Enumeration, Not Disclosed Flag Interest rate swaps Interest rate swaps
Quoted Prices in Active Markets for Identical Assets (Level 1) | Recurring    
Assets:    
Interest rate swaps   $ 0
Total assets $ 2,203 1,900
Liabilities:    
Contingent consideration - acquisition   0
Total liabilities 0 0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Recurring | Interest rate swaps    
Assets:    
Interest rate swaps 0  
Liabilities:    
Interest rate swaps 0 0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Recurring | Landfills    
Assets:    
Restricted investment securities - landfill closure 2,203 1,900
Significant Other Observable Inputs (Level 2) | Recurring    
Assets:    
Interest rate swaps   11,806
Total assets 10,364 11,806
Liabilities:    
Contingent consideration - acquisition   0
Total liabilities 11,762 0
Significant Other Observable Inputs (Level 2) | Recurring | Interest rate swaps    
Assets:    
Interest rate swaps 10,364  
Liabilities:    
Interest rate swaps 11,762 0
Significant Other Observable Inputs (Level 2) | Recurring | Landfills    
Assets:    
Restricted investment securities - landfill closure 0 0
Significant Unobservable Inputs (Level 3) | Recurring    
Assets:    
Interest rate swaps   0
Total assets 0 0
Liabilities:    
Contingent consideration - acquisition   965
Total liabilities 0 965
Contingent consideration, decrease for reversal of contingency 965  
Significant Unobservable Inputs (Level 3) | Recurring | Interest rate swaps    
Assets:    
Interest rate swaps 0  
Liabilities:    
Interest rate swaps 0 0
Significant Unobservable Inputs (Level 3) | Recurring | Landfills    
Assets:    
Restricted investment securities - landfill closure $ 0 $ 0