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ACCRUED FINAL CAPPING, CLOSURE AND POST CLOSURE (Tables)
 6 Months Ended
Jun. 30, 2024
Asset Retirement Obligation Disclosure [Abstract]  
Schedule of Changes to Accrued Capping, Closure and Post-Closure Liabilities
A summary of the changes to accrued final capping, closure and post-closure liabilities follows:
 Six Months Ended
June 30,
 20242023
Beginning balance$133,904 $113,678 
Obligations incurred3,354 2,615 
Accretion expense 5,733 4,809 
Obligations settled (1)
(2,223)(2,386)
Ending balance$140,768 $118,716 
(1)May include amounts that are being processed through accounts payable as a part of our disbursements cycle.