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CLOSURE AND POST-CLOSURE LIABILITIES (Tables) | 9 Months Ended
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Sep. 30, 2023
Asset Retirement Obligation Disclosure [Abstract] |
Schedule of Closure and Post-Closure Liabilities | The changes to closure and post-closure liabilities (also referred to as “asset retirement obligations”) from January 1, 2023 through September 30, 2023 were as follows (in thousands):
| Landfill Retirement Liability |  | Non-Landfill Retirement Liability |  | Total
Balance at January 1, 2023 | $ | 62,251 |  |  | $ | 56,550 |  |  | $ | 118,801 |
Liabilities assumed in acquisitions | — |  |  | 574 |  |  | 574 |
Measurement period adjustments from prior period acquisitions | — |  |  | 3,015 |  |  | 3,015 |
New asset retirement obligations | 2,221 |  |  | — |  |  | 2,221 |
Accretion | 3,765 |  |  | 3,351 |  |  | 7,116 |
Changes in estimates recorded to consolidated statement of operations | — |  |  | 47 |  |  | 47 |
Changes in estimates recorded to consolidated balance sheet | (327) |  |  | 1,461 |  |  | 1,134 |
Expenditures | (7,205) |  |  | (5,852) |  |  | (13,057) |
Currency translation and other | 20 |  |  | 20 |  |  | 40 |
Balance at September 30, 2023 | $ | 60,725 |  |  | $ | 59,166 |  |  | $ | 119,891 |

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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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