Details for Selection
| Standard label: | Held-to-maturity Securities, Unrecognized Holding Gain |
| Name: | us-gaap:HeldtomaturitySecuritiesUnrecognizedHoldingGain |
| Documentation: | As of the balance sheet date, the excess of fair value over carrying value (amortized cost) of a debt security categorized as held-to-maturity, exclusive of dividend or interest income recognized but not yet received and exclusive of any write-downs for other-than-temporary impairment. Such item represents the gross unrecognized holding gain. |
| Commentary: | |
| Data type: | Monetary (xbrli:monetaryItemType) |
| Period type: | As of (instant) |
| Balance type: | Debit |
| Object class: | [Concept] |