Details for Selection
| Standard label: | Site Contingency, Time Frame of Disbursements |
| Name: | us-gaap:SiteContingencyTimeFrameOfDisbursements |
| Documentation: | Estimated time frame of disbursements over which the accrued or presently unrecognized amounts may be paid out for an individual site. |
| Commentary: | |
| Data type: | Text/String (xbrli:stringItemType) |
| Period type: | For period (duration) |
| Balance type: | |
| Object class: | [Concept] |