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ACCRUED FINAL CAPPING, CLOSURE AND POST-CLOSURE COSTS - Summary of Changes to Accrued Capping, Closure and Post-Closure Liabilities (Detail) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2025
Mar. 31, 2024
Asset Retirement Obligation, Roll Forward Analysis [Roll Forward]    
Beginning balance $ 172,230 $ 133,904
Obligations incurred 1,698 1,549
Accretion expense 3,654 2,869
Obligations settled (755) (998)
Ending balance $ 176,827 $ 137,324