Details for Selection
| Standard label: | Asset Retirement Obligation Disclosure [Text Block] | 
| Name: | us-gaap:AssetRetirementObligationDisclosureTextBlock | 
| Documentation: | The entire disclosure for an asset retirement obligation and the associated long-lived asset. An asset retirement obligation is a legal obligation associated with the disposal or retirement from service of a tangible long-lived asset that results from the acquisition, construction or development, or the normal operations of a long-lived asset, except for certain obligations of lessees. | 
| Commentary: | |
| Data type: | Text Block (HTML) (nonnum:textBlockItemType) | 
| Period type: | For period (duration) | 
| Balance type: | |
| Object class: | [Text Block] |