Details for Selection
| Standard label: | Schedule of Realized Gain (Loss) [Table Text Block] |
| Name: | us-gaap:ScheduleOfRealizedGainLossTableTextBlock |
| Documentation: | Tabular disclosure of the proceeds from sales of available-for-sale securities and the gross realized gains and gross realized losses that have been included in earnings as a result of those sales. |
| Commentary: | |
| Data type: | Text Block (HTML) (nonnum:textBlockItemType) |
| Period type: | For period (duration) |
| Balance type: | |
| Object class: | [Text Block] |