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Commitments and Contingencies - Additional Information (Detail) MMBTU in Millions, $ in Millions | 3 Months Ended
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Mar. 31, 2026 USD ($) MMBTU $ / MMBTU
Commitments And Contingencies [Line Items] |
Accrued liabilities for environmental matters | $ 0.4
Environmental Loss Contingency, Statement of Financial Position [Extensible Enumeration] | Other Accrued Liabilities, Current, Accrued And Other Liabilities Noncurrent
Percentage of payment of investigation costs agreed by Hallowell Facility | 50.00%
Natural Gas Purchase Commitments [Member] |
Commitments And Contingencies [Line Items] |
Natural gas purchase commitments volume | MMBTU | 0.7
Weighted average price of natural gas per unit | $ / MMBTU | 2.84
Weighted average purchase price of natural gas | $ 1.9
Weighted average natural gas market price per unit | $ / MMBTU | 2.64
Weighted average natural gas market price | $ 1.7

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