| Name | NetPeriodicDefinedBenefitsExpenseReversalOfExpenseExcludingServiceCostComponent |
|---|---|
| Namespace | http://fasb.org/us-gaap/2021-01-31 |
| Prefix | us-gaap |
| Data type | xbrli:monetaryItemType |
| Period type | duration |
| Substitution Group | xbrli:item |
| Balance | debit |
| Nillable | True |
| Abstract | False |
| Text | Lang | Role | Container role |
|---|---|---|---|
| Net Periodic Defined Benefits Expense (Reversal of Expense), Excluding Service Cost Component | en-US | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Amount of expense (reversal of expense) for net periodic benefit cost components, excluding service cost component, of defined benefit plan. Amount includes, but is not limited to, interest cost, expected (return) loss on plan asset, amortization of prior service cost (credit), amortization of (gain) loss, amortization of transition (asset) obligation, settlement (gain) loss, curtailment (gain) loss and certain termination benefits. | 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 for each reported period for which amendment from Accounting Standards Update identified in tin-part:Source_ASU_Number is applied. | http://fasb.org/us-gaap/role/tin/transition |
| PublishDate | 2021-01 | http://fasb.org/us-gaap/role/tin/transition |
| Source | ASU | http://fasb.org/us-gaap/role/tin/transition |
| SourceName | Improving Net Periodic Benefit Cost | http://fasb.org/us-gaap/role/tin/transition |
| Source_ASU_Number | 2017-07 | http://fasb.org/us-gaap/role/tin/transition |
| PublishDate | 2018-01 | http://fasb.org/us-gaap/role/tin/value |
| Positive_XBRL_Value | Expense | http://fasb.org/us-gaap/role/tin/value |
| Negative_XBRL_Value | Reversal of Expense | http://fasb.org/us-gaap/role/tin/value |
| Note | If element is not presented separately in statement in which net income is reported, element identified in tin-part:AlternateElement is used to convey location within statement in which net income is reported. | http://fasb.org/us-gaap/role/tin/usage |
| PublishDate | 2018-01 | http://fasb.org/us-gaap/role/tin/usage |
| AlternateElement | DefinedBenefitPlanNetPeriodicBenefitCostCreditExcludingServiceCostStatementOfIncomeOrComprehensiveIncomeExtensibleList | http://fasb.org/us-gaap/role/tin/usage |
| elementCreationTaxonomyVersion | 2018 | http://fasb.org/us-gaap/role/tin/taxonomyImplementationNote |
| 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 | 45 | http://www.xbrl.org/2003/role/disclosureRef |
| Paragraph | 3A | http://www.xbrl.org/2003/role/disclosureRef |
| Subparagraph | (b) | http://www.xbrl.org/2003/role/disclosureRef |
| URI | http://asc.fasb.org/extlink&oid=123453770&loc=SL108413299-114919 | http://www.xbrl.org/2003/role/disclosureRef |
| Name | Relation Type | Role | |
|---|---|---|---|
us-gaap:DefinedBenefitPlanNetPeriodicBenefitCostCreditExcludingServiceCostStatementOfIncomeOrComprehensiveIncomeExtensibleList | concept-extensibleEnumerationLineItemLocation | http://fasb.org/us-gaap/role/tin/taxonomyImplementationNote | |
us-gaap:DefinedBenefitPlanInterestCost | summation-item | http://fasb.org/us-gaap/role/disclosure/CompensationRelatedCostsRetirementBenefits | |
us-gaap:DefinedBenefitPlanExpectedReturnOnPlanAssets | summation-item | http://fasb.org/us-gaap/role/disclosure/CompensationRelatedCostsRetirementBenefits | |
us-gaap:DefinedBenefitPlanRecognizedNetGainLossDueToSettlementsAndCurtailments1 | summation-item | http://fasb.org/us-gaap/role/disclosure/CompensationRelatedCostsRetirementBenefits | |
us-gaap:DefinedBenefitPlanAmortizationOfGainsLosses | summation-item | http://fasb.org/us-gaap/role/disclosure/CompensationRelatedCostsRetirementBenefits | |
us-gaap:DefinedBenefitPlanAmortizationOfTransitionAssetObligation | summation-item | http://fasb.org/us-gaap/role/disclosure/CompensationRelatedCostsRetirementBenefits | |
us-gaap:DefinedBenefitPlanAmortizationOfPriorServiceCostCredit | summation-item | http://fasb.org/us-gaap/role/disclosure/CompensationRelatedCostsRetirementBenefits | |
us-gaap:DefinedBenefitPlanOtherCosts | summation-item | http://fasb.org/us-gaap/role/disclosure/CompensationRelatedCostsRetirementBenefits |