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Commitments, Contingencies and Legal Proceedings (Tables) | 6 Months Ended
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Jun. 30, 2021
Commitments And Contingencies Disclosure [Abstract] |
Schedule of Reserves | Our reserve for past and future government oversight costs and long-term monitoring and maintenance is set forth below:
|  | Six months ended June 30 |
In thousands |  |  | 2021 |  |  |  |  | 2020 |
Balance at January 1, |  | $ | 18,455 |  |  |  | $ | 21,870 |
Payments |  |  | (886 | ) |  |  |  | (2,234 | )
Accretion |  |  | 101 |  |  |  | 104 |
Balance at June 30, |  | $ | 17,670 |  |  |  | $ | 19,740 |

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