IndexDebt Securities, Held-to-maturity, Maturity, Date
| Name | HeldtomaturitySecuritiesDebtMaturitiesDate |
|---|---|
| Namespace | http://fasb.org/us-gaap/2020-01-31 |
| Prefix | us-gaap |
| Data type | xbrli:dateItemType |
| Period type | duration |
| Substitution Group | xbrli:item |
| Balance | None |
| Nillable | True |
| Abstract | False |
Labels
| Text | Lang | Role | Container role |
|---|---|---|---|
| Debt Securities, Held-to-maturity, Maturity, Date | en-US | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Date of maturity of investment in debt security measured at amortized cost (held-to-maturity), in CCYY-MM-DD format. | en-US | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |