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ACCRUED FINAL CAPPING, CLOSURE AND POST CLOSURE (Tables) | 9 Months Ended
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Sep. 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:
| Nine Months Ended September 30,
| 2024 |  | 2023
Beginning balance | $ | 133,904 |  |  | $ | 113,678 |
Obligations incurred | 5,230 |  |  | 4,023 |
Revision in estimates (1) | 8,477 |  |  | — |
Accretion expense | 8,569 |  |  | 7,193 |
Obligations settled (2) | (6,545) |  |  | (7,338) |
Ending balance | $ | 149,635 |  |  | $ | 117,556 |
(1)Relates to the revision in estimates of the post-closure liability for the Town of Southbridge, Massachusetts landfill (“Southbridge Landfill”). See Note 11, Other Items and Charges for further disclosure. (2)May include amounts that are being processed through accounts payable as a part of our disbursements cycle.

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- Definition Tabular disclosure of the changes in carrying amount of a liability for asset retirement obligations, for changes such as new obligations, changes in estimates of existing obligations, spending on existing obligations, property dispositions, and foreign currency translation. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 410 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481850/410-20-50-1 + Details
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