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RELATED PARTY TRANSACTIONS (Detail)
$ in Thousands
12 Months Ended
Dec. 31, 2021
USD ($)
Dec. 31, 2020
USD ($)
Dec. 31, 2019
USD ($)
Apr. 30, 1994
lease
Related Party Transaction [Line Items]        
Total services purchased $ 15,206 $ 12,601 $ 7,574  
Outstanding accounts payable 1,325 1,297    
Number of leases | lease       2
Amortization of right-of-use assets 5,118 3,736    
Accrued costs associated with post-closure obligations 86,914 82,533 71,927  
Landfills        
Related Party Transaction [Line Items]        
Landfill post-closure cost 12 8 9  
Accrued costs associated with post-closure obligations 14 25    
CCI        
Related Party Transaction [Line Items]        
Revenue from related party 430 288 132  
Related Party        
Related Party Transaction [Line Items]        
Leases monthly payments 29      
Amortization of right-of-use assets $ 297 $ 319 $ 339