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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
9 Months Ended
Sep. 30, 2024
Sep. 30, 2023
Asset Retirement Obligation, Roll Forward Analysis [Roll Forward]    
Beginning balance $ 133,904 $ 113,678
Obligations incurred 5,230 4,023
Revision in estimates 8,477 0
Accretion expense 8,569 7,193
Obligations settled (6,545) (7,338)
Ending balance $ 149,635 $ 117,556