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v3.22.2.2

Commitments and Contingencies (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2022 | Sep. 30, 2021 | Sep. 30, 2022 | Sep. 30, 2021
Commitments and Contingencies |  |  |  |
Environmental expenses | $ 0.9 | $ 0.5 | $ 1.9 | $ 0.5
Environmental Remediation Expense, Statement of Income or Comprehensive Income [Extensible Enumeration] | General and Administrative Expense |  | General and Administrative Expense |
Insurance proceeds receivable | $ 4.6 |  | $ 4.6 |
Purchase Commitments |  |  |  |
Commitments and Contingencies |  |  |  |
Purchase obligations and commitments | 39.7 |  | 39.7 |
Surface Use and Compensation |  |  |  |
Timing of future payments |  |  |  |
Remaining 2022 | 0.1 |  | 0.1 |
2023 | 8.9 |  | 8.9 |
2024 | 9.8 |  | 9.8 |
2025 | 10.6 |  | 10.6 |
2026 | 11.3 |  | 11.3 |
Thereafter | 4.5 |  | 4.5 |
Fixed price power purchase contract |  |  |  |
Commitments and Contingencies |  |  |  |
Commitment obligations | $ 7.1 |  | $ 7.1 |

X
- Definition The amount of insurance proceeds receivable as at the end of the reporting period. + References No definition available. + Details
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- Definition Amount of commitment classified as other to be paid after fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). + References No definition available. + Details
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- Definition The charge against earnings in the period for known or estimated future costs arising from requirements to perform environmental remediation activities. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 410 -SubTopic 30 -Section 55 -Paragraph 11 -URI https://asc.fasb.org/extlink&oid=6571209&loc=d3e13644-110860 Reference 2: http://www.xbrl.org/2003/role/recommendedDisclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 410 -SubTopic 30 -Section 45 -Paragraph 4 -URI https://asc.fasb.org/extlink&oid=109237650&loc=d3e13064-110858 Reference 3: http://www.xbrl.org/2003/role/recommendedDisclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 410 -SubTopic 30 -Section 50 -Paragraph 12 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=6393242&loc=d3e13296-110859 + Details
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- Definition Minimum amount of other commitment not otherwise specified in the taxonomy. Excludes commitments explicitly modeled in the taxonomy, including but not limited to, long-term and short-term purchase commitments, recorded and unrecorded purchase obligations, supply commitments, registration payment arrangements, leases, debt, product warranties, guarantees, environmental remediation obligations, and pensions. + References No definition available. + Details
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- Definition Amount of purchase arrangement to be paid in next fiscal year following current fiscal year. Includes, but is not limited to, recorded and unrecorded purchase obligations, long-term purchase commitment, and short-term purchase commitment. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). + References No definition available. + Details
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