Details for Selection
| Standard label: | Treasury Stock, Number of Shares Held |
| Name: | us-gaap:TreasuryStockNumberOfSharesHeld |
| Documentation: | Number of shares held for each class of treasury stock. |
| Commentary: | |
| Data type: | Shares (xbrli:sharesItemType) |
| Period type: | As of (instant) |
| Balance type: | |
| Object class: | [Concept] |