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Environmental Matters (Tables) | 12 Months Ended
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Dec. 31, 2021
Asset Retirement Obligation Disclosure [Abstract] |
Schedule of Rollforward of Our Environmental Liabilities | The table below presents a rollforward of our environmental liabilities (in thousands):
|  | 2021 |  |  | 2020 |
Balance at beginning of year |  | $ | 3,914 |  |  | $ | 3,390 |
Provision for new environmental losses |  |  | 2,996 |  |  |  | 210 |
Changes in estimates for previously incurred losses |  |  | 6 |  |  |  | 1,403 |
Payments |  |  | (1,540 | ) |  |  | (1,089 | )
Balance at end of year |  |  | 5,376 |  |  |  | 3,914 |
Current portion, included within accrued expenses and other current liabilities |  |  | 2,419 |  |  |  | 1,710 |
Long-term portion, included within other long-term liabilities |  | $ | 2,957 |  |  | $ | 2,204 |

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- Definition Tabular disclosure of material liabilities for remediation, site restoration, postclosure, monitoring commitments, or other exit costs that may occur on the sale, disposal or abandonment of a property as a result of unanticipated contamination of the assets. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 5.Y.Q4) -URI http://asc.fasb.org/extlink&oid=27011672&loc=d3e149879-122751 + Details
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