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Commitments, Contingencies and Legal Proceedings (Tables) | 9 Months Ended
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Sep. 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:
| Nine months ended September 30,
In thousands | 2021 |  | 2020
Balance at January 1, | $ | 18,455 |  |  | $ | 21,870 |
Payments | (1,780) |  | (3,243)
Accretion | 152 |  | 155
Balance at September 30, | $ | 16,827 |  |  | $ | 18,782 |

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