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ACCRUED FINAL CAPPING, CLOSURE AND POST-CLOSURE COSTS (Tables) | 3 Months Ended
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Mar. 31, 2026
Asset Retirement Obligation Disclosure [Abstract] |
Schedule of Changes to Accrued Capping, Closure and Post-Closure Liabilities | The changes to accrued final capping, closure and post-closure liabilities are as follows:
| Three Months Ended March 31,
| 2026 |  | 2025
Beginning balance | $ | 192,722 |  |  | $ | 172,230 |
Obligations incurred | 2,938 |  |  | 1,698 |
Accretion expense | 3,951 |  |  | 3,654 |
Obligations settled (1) | (781) |  |  | (755) |
Ending balance | $ | 198,830 |  |  | $ | 176,827 |
(1)May include amounts paid and amounts that are being processed through accounts payable as a part of our disbursement 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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