| Name | DefinedBenefitPlanPlanAssetsAtFairValueValuationTechniques |
|---|---|
| Namespace | http://fasb.org/us-gaap/2020-01-31 |
| Prefix | us-gaap |
| Data type | xbrli:stringItemType |
| Period type | duration |
| Substitution Group | xbrli:item |
| Balance | None |
| Nillable | True |
| Abstract | False |
| Text | Lang | Role | Container role |
|---|---|---|---|
| This element represents the information provided by management related to the valuation techniques used to develop the fair value measurements of plan assets as of the date of the statement of financial position. | en-US | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Defined Benefit Plan, Plan Assets at Fair Value, Valuation Techniques (Deprecated 2018-01-31) | en-US | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |