Details for Selection
| Standard label: | Investment Income, Investment Expense |
| Name: | us-gaap:InvestmentIncomeInvestmentExpense |
| Documentation: | Total expenses related to the generation of investment income in debt and equity securities. |
| Commentary: | |
| Data type: | Monetary (xbrli:monetaryItemType) |
| Period type: | For period (duration) |
| Balance type: | Debit |
| Object class: | [Concept] |