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Commitments, Contingencies and Legal Proceedings (Tables) | 12 Months Ended
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Dec. 31, 2021
Commitments and Contingencies Disclosure [Abstract] |
Summary of Minimum Annual Payment Due on Noncancelable Operating Lease | The following table summarizes the minimum annual payments due on noncancellable operating leases and other similar contractual obligations having initial or remaining terms in excess of one year:
In thousands | Leases |  | Other
2022 | $ | 6,479 |  |  | $ | — |
2023 | 3,921 |  |  | 19,154 |
2024 | 3,028 |  |  | — |
2025 | 2,618 |  |  | — |
2026 | 2,541 |  |  | — |
Thereafter | 38,588 |  |  | — |
Schedule of Reserves | Reserves for the Site Our reserve for past and future government oversight costs and long-term monitoring and maintenance is set forth below:
| Year ended December 31,
In thousands | 2021 |  | 2020
Balance at January 1, | $ | 18,455 |  |  | $ | 21,870 |
Payments | (2,458) |  |  | (3,622) |
Accretion | 203 |  |  | 207 |
Balance at December 31, | $ | 16,200 |  |  | $ | 18,455 |

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