Details for Selection
| Standard label: | Held-to-maturity Securities, Purchased Options, Price Policy |
| Name: | us-gaap:HeldToMaturitySecuritiesPurchasedOptionsPricePolicy |
| Documentation: | This element represents disclosure of the accounting policy for the premium paid (time value) to acquire an option that is not accounted for as a derivative, but instead classified as held-to-maturity. |
| Commentary: | |
| Data type: | Text/String (xbrli:stringItemType) |
| Period type: | For period (duration) |
| Balance type: | |
| Object class: | [Concept] |