Index| Name | ReserveQuantityAttributableToConsolidatedSubsidiaryNoncontrollingInterestVolume |
|---|---|
| Namespace | http://fasb.org/srt/2020-01-31 |
| Prefix | srt |
| Data type | num:volumeItemType |
| Period type | instant |
| Substitution Group | xbrli:item |
| Balance | None |
| Nillable | True |
| Abstract | False |