| Name | OilAndGasDeliveryCommitmentsAndContractsTable |
|---|---|
| Namespace | http://fasb.org/srt/2020-01-31 |
| Prefix | srt |
| Data type | xbrli:stringItemType |
| Period type | duration |
| Substitution Group | xbrldt:hypercubeItem |
| Balance | None |
| Nillable | True |
| Abstract | True |
| Text | Lang | Role | Container role |
|---|---|---|---|
| Oil and Gas, Delivery Commitment [Table] | en-US | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Name | Relation Type | Role | |
|---|---|---|---|
us-gaap:OilAndGasDeliveryCommitmentsAndContractsAxis | parent-child | http://fasb.org/us-gaap/role/disclosure/ExtractiveIndustries | |
srt:OilAndGasDeliveryCommitmentsAndContractsLineItems | parent-child | http://fasb.org/us-gaap/role/disclosure/ExtractiveIndustries | |
us-gaap:OilAndGasDeliveryCommitmentsAndContractsAxis | hypercube-dimension | http://fasb.org/us-gaap/role/disclosure/ExtractiveIndustriesOilAndGasDeliveryCommitmentsAndContractsTable |
| Name | Relation Type | Role | |
|---|---|---|---|
srt:OilAndGasDeliveryCommitmentsAndContractsDisclosureTextBlock | parent-child | http://fasb.org/us-gaap/role/disclosure/ExtractiveIndustries | |
srt:OilAndGasDeliveryCommitmentsAndContractsLineItems | all | http://fasb.org/us-gaap/role/disclosure/ExtractiveIndustriesOilAndGasDeliveryCommitmentsAndContractsTable |