| Name | OilAndGasDeliveryCommitmentsAndContractsAxis |
|---|---|
| Namespace | http://fasb.org/us-gaap/2020-01-31 |
| Prefix | us-gaap |
| Data type | xbrli:stringItemType |
| Period type | duration |
| Substitution Group | xbrldt:dimensionItem |
| Balance | None |
| Nillable | True |
| Abstract | True |
| Text | Lang | Role | Container role |
|---|---|---|---|
| Oil and Gas Delivery Commitments and Contracts [Axis] | en-US | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| This element represents the categories used to group oil and gas delivery commitments and contracts. | en-US | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Name | Value | Role |
|---|---|---|
| Publisher | SEC | http://fasb.org/us-gaap/role/ref/legacyRef |
| Name | Regulation S-K (SK) | http://fasb.org/us-gaap/role/ref/legacyRef |
| Number | 229 | http://fasb.org/us-gaap/role/ref/legacyRef |
| Section | 1207 | http://fasb.org/us-gaap/role/ref/legacyRef |
| Name | Relation Type | Role | |
|---|---|---|---|
us-gaap:OilAndGasDeliveryCommitmentsAndContractsOilProducingPropertyDomain | parent-child | http://fasb.org/us-gaap/role/disclosure/ExtractiveIndustries | |
us-gaap:OilAndGasDeliveryCommitmentsAndContractsOilProducingPropertyDomain | dimension-default | http://fasb.org/us-gaap/role/disclosure/ExtractiveIndustriesOilAndGasDeliveryCommitmentsAndContractsTable | |
us-gaap:OilAndGasDeliveryCommitmentsAndContractsOilProducingPropertyDomain | dimension-domain | http://fasb.org/us-gaap/role/disclosure/ExtractiveIndustriesOilAndGasDeliveryCommitmentsAndContractsTable |
| Name | Relation Type | Role | |
|---|---|---|---|
srt:OilAndGasDeliveryCommitmentsAndContractsTable | parent-child | http://fasb.org/us-gaap/role/disclosure/ExtractiveIndustries | |
srt:OilAndGasDeliveryCommitmentsAndContractsTable | hypercube-dimension | http://fasb.org/us-gaap/role/disclosure/ExtractiveIndustriesOilAndGasDeliveryCommitmentsAndContractsTable |