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Commitments and Contingencies - Additional Information (Details) $ in Millions | 6 Months Ended
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Jun. 30, 2022 USD ($)
Environmental Contingency |
Environmental accrual | $ 16.0
Expected period related to remediation expenditures for environmental contingencies period | 30 years
Potential increase in environmental costs | $ 11.6
Time period within which recorded estimate of its environmental obligation may change | 12 months
Long-term Liabilities |
Environmental Contingency |
Liability for conditional asset retirement obligations | $ 2.3
Minimum |
Environmental Contingency |
Estimated final remediation cost feasibility study period | 14 months
Maximum |
Environmental Contingency |
Estimated final remediation cost feasibility study period | 20 months

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