| Standard label: | Types of Price Risk Derivatives Used |
| Name: | us-gaap:TypesOfPriceRiskDerivativesUsed |
| Documentation: | Description of the types of price risk derivative instruments used. For example, forwards, options, swaps, caps, floors, collars, and so forth. Includes the nature of underlyings on the derivatives, such as commodity forward purchase contracts or put options on equity securities. |
| Object type: | cm:Concept |
| Data type: | Text/String (xbrli:stringItemType) |
| Period type: | For Period (duration) |
| Balance type: | (no balance type) |
| Abstract: | false |
| Workiva Wdesk Taxonomy Analyzer: | us-gaap:TypesOfPriceRiskDerivativesUsed |
| Label | Role | Language |
| Types of Price Risk Derivatives Used | http://www.xbrl.org/2003/role/label | en-US |
| Reference | Role | Topic |
| FASB Accounting Standards Codification 235 10 S99 1 (SX 210.4-08.(n)(2)) | http://fasb.org/us-gaap/role/ref/legacyRef | 235 |
| FASB Accounting Standards Codification 815 10 50 1B | http://fasb.org/us-gaap/role/ref/legacyRef | 815 |
| FASB Accounting Standards Codification 815 10 50 1A | http://fasb.org/us-gaap/role/ref/legacyRef | 815 |
| FASB Accounting Standards Codification 815 10 50 1 | http://fasb.org/us-gaap/role/ref/legacyRef | 815 |
| FASB Accounting Standards Codification 815 10 50 2 | http://fasb.org/us-gaap/role/ref/legacyRef | 815 |