Commitments and Contingencies - Additional Information (Details) $ in Millions	3 Months Ended
Mar. 31, 2022 USD ($)
Environmental Contingency
Environmental accrual	$ 16.4
Expected period related to remediation expenditures for environmental contingencies period	30 years
Potential increase in environmental costs	$ 11.7
Time period within which recorded estimate of its obligation may change	12 months
Long-term Liabilities
Environmental Contingency
Liability for conditional asset retirement obligations	$ 2.3
Minimum
Environmental Contingency
Period for final feasibility study	17 months
Maximum
Environmental Contingency
Period for final feasibility study	23 months

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