Details for Selection
| Standard label: | Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block] |
| Name: | us-gaap:ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock |
| Documentation: | Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions. |
| Commentary: | |
| Data type: | Text Block (HTML) (nonnum:textBlockItemType) |
| Period type: | For period (duration) |
| Balance type: | |
| Object class: | [Text Block] |