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CLOSURE AND POST-CLOSURE LIABILITIES (Tables) | 6 Months Ended
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Jun. 30, 2022
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, 2022 through June 30, 2022 were as follows (in thousands):
| Landfill Retirement Liability |  | Non-Landfill Retirement Liability |  | Total
Balance at January 1, 2022 | $ | 53,425 |  |  | $ | 45,678 |  |  | $ | 99,103 |
New asset retirement obligations | 1,657 |  |  | — |  |  | 1,657 |
Accretion | 2,250 |  |  | 1,993 |  |  | 4,243 |
Changes in estimates recorded to consolidated statement of operations | 329 |  |  | 47 |  |  | 376 |
Changes in estimates recorded to consolidated balance sheet | — |  |  | 504 |  |  | 504 |
Expenditures | (2,126) |  |  | (622) |  |  | (2,748) |
Currency translation and other | (100) |  |  | (38) |  |  | (138) |
Balance at June 30, 2022 | $ | 55,435 |  |  | $ | 47,562 |  |  | $ | 102,997 |

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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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