| Name | OtherPostretirementBenefitsIndividualContractsTypeOfDeferredCompensationDomain |
|---|---|
| Namespace | http://fasb.org/us-gaap/2021-01-31 |
| Prefix | us-gaap |
| Data type | dtr-types:domainItemType |
| Period type | duration |
| Substitution Group | xbrli:item |
| Balance | None |
| Nillable | True |
| Abstract | True |
| Text | Lang | Role | Container role |
|---|---|---|---|
| Other Postretirement Benefits, Individual Contracts, Type of Deferred Compensation [Domain] | en-US | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Deferred compensation related to other postretirement benefit arrangements that are not equivalent to a defined benefit other postretirement benefit plan. Includes, but is not limited to, employment contracts with one or more selected officers or key employees. Excludes equity-based compensation plans, defined benefit pension plans and defined benefit other postretirement benefit plans. | en-US | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Name | Value | Role |
|---|---|---|
| elementCreationTaxonomyVersion | 2014 | http://fasb.org/us-gaap/role/tin/taxonomyImplementationNote |
| SourceName | Reference Project:Taxonomy Technical Improvement | http://fasb.org/srt/role/changeNote/changeNote |
| TaxonomyVersion | 2020 | http://fasb.org/srt/role/changeNote/changeNote |
| ChangeDate | 2019-11 | http://fasb.org/srt/role/changeNote/changeNote |
| ModifiedReferences | true | http://fasb.org/srt/role/changeNote/changeNote |
| Publisher | FASB | http://fasb.org/us-gaap/role/ref/legacyRef |
| Name | Accounting Standards Codification | http://fasb.org/us-gaap/role/ref/legacyRef |
| Topic | 710 | http://fasb.org/us-gaap/role/ref/legacyRef |
| SubTopic | 10 | http://fasb.org/us-gaap/role/ref/legacyRef |
| Section | 30 | http://fasb.org/us-gaap/role/ref/legacyRef |
| Paragraph | 1 | http://fasb.org/us-gaap/role/ref/legacyRef |
| URI | http://asc.fasb.org/extlink&oid=6409875&loc=d3e20015-108363 | http://fasb.org/us-gaap/role/ref/legacyRef |
| Publisher | FASB | http://fasb.org/us-gaap/role/ref/legacyRef |
| Name | Accounting Standards Codification | http://fasb.org/us-gaap/role/ref/legacyRef |
| Topic | 710 | http://fasb.org/us-gaap/role/ref/legacyRef |
| SubTopic | 10 | http://fasb.org/us-gaap/role/ref/legacyRef |
| Section | 25 | http://fasb.org/us-gaap/role/ref/legacyRef |
| Paragraph | 9 | http://fasb.org/us-gaap/role/ref/legacyRef |
| URI | http://asc.fasb.org/extlink&oid=6409733&loc=d3e19512-108361 | http://fasb.org/us-gaap/role/ref/legacyRef |
| Name | Relation Type | Role | |
|---|---|---|---|
us-gaap:DeferredCompensationArrangementWithIndividualByTypeOfCompensationPensionAndOtherPostretirementBenefitsMember | parent-child | http://fasb.org/us-gaap/role/disclosure/CompensationRelatedCostsGeneral | |
us-gaap:DeferredCompensationArrangementWithIndividualByTypeOfCompensationPensionAndOtherPostretirementBenefitsMember | domain-member | http://fasb.org/us-gaap/role/disclosure/CompensationRelatedCostsGeneralScheduleOfDeferredCompensationArrangementWithIndividualPostretirementBenefitsTable |
| Name | Relation Type | Role | |
|---|---|---|---|
us-gaap:DeferredCompensationArrangementWithIndividualPostretirementBenefitsByTypeOfDeferredCompensationAxis | parent-child | http://fasb.org/us-gaap/role/disclosure/CompensationRelatedCostsGeneral | |
us-gaap:DeferredCompensationArrangementWithIndividualPostretirementBenefitsByTypeOfDeferredCompensationAxis | dimension-default | http://fasb.org/us-gaap/role/disclosure/CompensationRelatedCostsGeneralScheduleOfDeferredCompensationArrangementWithIndividualPostretirementBenefitsTable | |
us-gaap:DeferredCompensationArrangementWithIndividualPostretirementBenefitsByTypeOfDeferredCompensationAxis | dimension-domain | http://fasb.org/us-gaap/role/disclosure/CompensationRelatedCostsGeneralScheduleOfDeferredCompensationArrangementWithIndividualPostretirementBenefitsTable |