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ACCRUED FINAL CAPPING, CLOSURE AND POST CLOSURE - Summary of Changes to Accrued Capping, Closure and Post-Closure Liabilities (Detail) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2023
Mar. 31, 2022
Asset Retirement Obligation, Roll Forward Analysis [Roll Forward]    
Beginning balance $ 113,678 $ 86,914
Obligations incurred 1,247 966
Accretion expense 2,410 1,873
Obligations settled (1,179) (926)
Ending balance $ 116,156 $ 88,827