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Commitments and Contingencies (Details) - USD ($) $ in Millions |  |  | 1 Months Ended | 9 Months Ended |
--- | --- | --- | --- | --- | ---
Nov. 19, 2020 | Sep. 28, 2020 | May 31, 2021 | Sep. 30, 2021 | Dec. 31, 2020
Surety Bond |  |  |  |  |
Commitments and Contingencies [Line Items] |  |  |  |  |
Off-balance sheet commitments |  |  |  | $ 10.2 |
Revolving Credit Facility |  |  |  |  |
Commitments and Contingencies [Line Items] |  |  |  |  |
Off-balance sheet commitments |  |  |  | 6.7 |
Settled | Mirada Litigation |  |  |  |  |
Commitments and Contingencies [Line Items] |  |  |  |  |
Amount proposed to be paid under Settlement Agreement |  | $ 42.8 |  |  |
Payments for legal settlements | $ 20.0 |  | $ 22.8 |  |
Volume Commitment Agreement - Permian Basin Sale |  |  |  |  |
Commitments and Contingencies [Line Items] |  |  |  |  |
Other commitments |  |  |  |  | $ 32.6
Volume Commitment Agreement -Subsequent Oil and Gas Delivery Commitment |  |  |  |  |
Commitments and Contingencies [Line Items] |  |  |  |  |
Other commitments |  |  |  | $ 258.6 |
Other commitment, duration term |  |  |  | 7 years |

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- Definition Other Commitment, Duration Term + References No definition available. + Details
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- Definition Amount awarded to other party in judgment or settlement of litigation. + References No definition available. + Details
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- Definition Amount of expected credit loss for credit exposure on off-balance-sheet commitment, including but not limited to, loan commitment, standby letter of credit, financial guarantee not accounted for as insurance. Excludes off-balance sheet credit exposure accounted for as insurance and instrument accounted for under derivatives and hedging. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -SubTopic 10 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=121611286&loc=d3e11927-110247 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=124255206&loc=SL82919202-210446 + 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 Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition The amount of cash paid for the settlement of litigation or for other legal issues during the period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 25 -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3536-108585 + Details
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