| Name | DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationWeightedAverageInterestCreditingRate |
|---|---|
| Namespace | http://fasb.org/us-gaap/2020-01-31 |
| Prefix | us-gaap |
| Data type | num:percentItemType |
| Period type | instant |
| Substitution Group | xbrli:item |
| Balance | None |
| Nillable | True |
| Abstract | False |
| Text | Lang | Role | Container role |
|---|---|---|---|
| Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Weighted-Average Interest Crediting Rate | en-US | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Weighted-average interest crediting rate used to determine benefit obligation of defined benefit plan. Plan includes, but is not limited to, cash balance and other defined benefit plans with promised interest crediting rate. | en-US | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Name | Value | Role |
|---|---|---|
| Note | Element is intended to be used upon adoption of amendments from Accounting Standards Update 2018-14. | http://fasb.org/us-gaap/role/tin/taxonomyImplementationNote |
| PublishDate | 2019-01 | http://fasb.org/us-gaap/role/tin/taxonomyImplementationNote |
| Source | ASU | http://fasb.org/us-gaap/role/tin/taxonomyImplementationNote |
| SourceName | Disclosure Framework-Defined Benefit Plans | http://fasb.org/us-gaap/role/tin/taxonomyImplementationNote |
| Source_ASU_Number | 2018-14 | http://fasb.org/us-gaap/role/tin/taxonomyImplementationNote |
| SourceName | Disclosure Framework-Defined Benefit Plans | http://fasb.org/srt/role/changeNote/changeNote |
| TaxonomyVersion | 2019 | http://fasb.org/srt/role/changeNote/changeNote |
| ChangeDate | 2018-08 | http://fasb.org/srt/role/changeNote/changeNote |
| NewElement | true | http://fasb.org/srt/role/changeNote/changeNote |
| Source_ASU_Number | 2018-14 | http://fasb.org/srt/role/changeNote/changeNote |
| Publisher | FASB | http://www.xbrl.org/2003/role/disclosureRef |
| Name | Accounting Standards Codification | http://www.xbrl.org/2003/role/disclosureRef |
| Topic | 715 | http://www.xbrl.org/2003/role/disclosureRef |
| SubTopic | 20 | http://www.xbrl.org/2003/role/disclosureRef |
| Section | 50 | http://www.xbrl.org/2003/role/disclosureRef |
| Paragraph | 1 | http://www.xbrl.org/2003/role/disclosureRef |
| Subparagraph | (k)(4) | http://www.xbrl.org/2003/role/disclosureRef |
| URI | http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920 | http://www.xbrl.org/2003/role/disclosureRef |
| Name | Relation Type | Role | |
|---|---|---|---|
Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Benefit Obligation [Abstract] us-gaap:DefinedBenefitPlanWeightedAverageAssumptionsUsedInCalculatingBenefitObligationAbstract | parent-child | http://fasb.org/us-gaap/role/disclosure/CompensationRelatedCostsRetirementBenefits | |
Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Benefit Obligation [Abstract] us-gaap:DefinedBenefitPlanWeightedAverageAssumptionsUsedInCalculatingBenefitObligationAbstract | domain-member | http://fasb.org/us-gaap/role/disclosure/CompensationRelatedCostsRetirementBenefitsScheduleOfDefinedBenefitPlansDisclosuresTable |