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Commitments, Contingencies and Legal Proceedings (Tables) | 9 Months Ended
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Sep. 30, 2019
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 |  |  | 2019 |  |  |  |  | 2018 |
Balance at January 1, |  | $ | 45,001 |  |  |  | $ | 43,144 |
Payments |  |  | (20,771 | ) |  |  |  | (3,014 | )
Reserve adjustment |  |  | (2,509 | ) |  |  |  | — |
Assumption of WTM I escrow |  |  | — |  |  |  |  | 4,746 |
Accretion |  |  | 141 |  |  |  |  | 115 |
Balance at September 30, |  | $ | 21,862 |  |  |  | $ | 44,991 |

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