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ACCRUED FINAL CAPPING, CLOSURE AND POST CLOSURE (Tables) | 3 Months Ended
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Mar. 31, 2023
Asset Retirement Obligation Disclosure [Abstract] |
Summary 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:
| Three Months Ended March 31,
| 2023 |  | 2022
Beginning balance | $ | 113,678 |  |  | $ | 86,914 |
Obligations incurred | 1,247 |  |  | 966 |
Accretion expense | 2,410 |  |  | 1,873 |
Obligations settled (1) | (1,179) |  |  | (926) |
Ending balance | $ | 116,156 |  |  | $ | 88,827 |
(1)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 -Publisher FASB -Name Accounting Standards Codification -Topic 410 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI https://asc.fasb.org/extlink&oid=6392692&loc=d3e7535-110849 + Details
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