| Name | ReservesRelatedToRoyaltyInterestsNotAvailable |
|---|---|
| Namespace | http://fasb.org/us-gaap/2020-01-31 |
| Prefix | us-gaap |
| Data type | xbrli:stringItemType |
| Period type | duration |
| Substitution Group | xbrli:item |
| Balance | None |
| Nillable | True |
| Abstract | False |
| Text | Lang | Role | Container role |
|---|---|---|---|
| Reserves Related to Royalty Interests Not Available | en-US | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Description of the fact that reserves related to royalty interests owned are not included because that information is unavailable and the entity's share of oil and gas produced for those royalty interests for the period. | en-US | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Name | Value | Role |
|---|---|---|
| Publisher | FASB | http://fasb.org/us-gaap/role/ref/legacyRef |
| Name | Accounting Standards Codification | http://fasb.org/us-gaap/role/ref/legacyRef |
| Topic | 932 | http://fasb.org/us-gaap/role/ref/legacyRef |
| SubTopic | 235 | http://fasb.org/us-gaap/role/ref/legacyRef |
| Section | 50 | http://fasb.org/us-gaap/role/ref/legacyRef |
| Paragraph | 4 | http://fasb.org/us-gaap/role/ref/legacyRef |
| URI | http://asc.fasb.org/extlink&oid=68064819&loc=d3e61797-109447 | http://fasb.org/us-gaap/role/ref/legacyRef |