Details for Selection
| Standard label: | Marketable Securities, Realized Loss, Other than Temporary Impairments, Amount |
| Name: | us-gaap:MarketableSecuritiesRealizedGainLossOtherThanTemporaryImpairmentsAmount |
| Documentation: | This element represents the amount of loss recognized for other than temporary impairments (OTTI) of investments in debt and equity securities. |
| Commentary: | |
| Data type: | Monetary (xbrli:monetaryItemType) |
| Period type: | For period (duration) |
| Balance type: | Debit |
| Object class: | [Concept] |