Details for Selection
| Standard label: | Vehicle Toll Revenue |
| Name: | us-gaap:VehicleTollRevenue |
| Documentation: | The revenue recognized in the period from charging vehicles for using a bridge, tunnel or road. |
| Commentary: | |
| Data type: | Monetary (xbrli:monetaryItemType) |
| Period type: | For period (duration) |
| Balance type: | Credit |
| Object class: | [Concept] |