| Name | ScheduleOfChangesInStandardizedMeasureOfDiscountedFutureNetCashFlowsTableTextBlock |
|---|---|
| Namespace | http://fasb.org/srt/2021-01-31 |
| Prefix | srt |
| Data type | dtr-types:textBlockItemType |
| Period type | duration |
| Substitution Group | xbrli:item |
| Balance | None |
| Nillable | True |
| Abstract | False |
| Text | Lang | Role | Container role |
|---|---|---|---|
| Schedule of Changes in Standardized Measure of Discounted Future Net Cash Flows [Table Text Block] | en-US | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Tabular disclosure of the aggregate change in the standardized measure of discounted future net cash flows relating to proved oil and gas reserves and oil and gas subject to purchases under long-term agreements in which the enterprise participates in the operation of the properties on which oil and gas is located or otherwise serves as the producer. | en-US | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Name | Value | Role |
|---|---|---|
| Publisher | SEC | http://www.xbrl.org/2003/role/disclosureRef |
| Name | Form 20-F | http://www.xbrl.org/2003/role/disclosureRef |
| Section | Item 18 | http://www.xbrl.org/2003/role/disclosureRef |
| Subsection | Instruction 2 | http://www.xbrl.org/2003/role/disclosureRef |
| Name | Relation Type | Role | |
|---|---|---|---|
srt:PrincipalSourcesOfChangeInStandardizedMeasureOfDiscountedFutureNetCashFlowRelatingToProvedOilAndGasReservesAbstract | parent-child | http://fasb.org/srt/role/disclosure/ExtractiveIndustries | |
srt:PrincipalSourcesOfChangeInStandardizedMeasureOfDiscountedFutureNetCashFlowRelatingToProvedOilAndGasReservesAbstract | domain-member | http://fasb.org/srt/role/disclosure/ExtractiveIndustriesDiscountedFutureNetCashFlowsRelatingToProvedOilAndGasReservesTable |
| Name | Relation Type | Role | |
|---|---|---|---|
srt:DiscountedFutureNetCashFlowsRelatingToProvedOilAndGasReservesLineItems | parent-child | http://fasb.org/srt/role/disclosure/ExtractiveIndustries | |
srt:DiscountedFutureNetCashFlowsRelatingToProvedOilAndGasReservesLineItems | domain-member | http://fasb.org/srt/role/disclosure/ExtractiveIndustriesDiscountedFutureNetCashFlowsRelatingToProvedOilAndGasReservesTable |