Details for Selection
| Standard label: | Other than Temporary Impairment Losses, Investments, Available-for-sale Securities, Portion Recognized in Earnings, Net, Qualitative Disclosures, Loan to Collateral Value |
| Name: | us-gaap:OtherThanTemporaryImpairmentLossesInvestmentsAvailableforsaleSecuritiesPortionRecognizedInEarningsNetQualitativeDisclosuresLoanToCollateralValue |
| Documentation: | This item represents the loan to collateral ratio of the underlying assets in the security, represented as a percentage, which was considered as one of the potential factors in reaching a conclusion that the available-for-sale investments are other than temporarily impaired and only the amount of impairment related to credit loss was recognized in earnings. |
| Commentary: | |
| Data type: | Perdent (num:percentItemType) |
| Period type: | For period (duration) |
| Balance type: | |
| Object class: | [Concept] |