| Name | FairValueMeasurementFrequencyDomain |
|---|---|
| Namespace | http://fasb.org/us-gaap/2020-01-31 |
| Prefix | us-gaap |
| Data type | nonnum:domainItemType |
| Period type | duration |
| Substitution Group | xbrli:item |
| Balance | None |
| Nillable | True |
| Abstract | True |
| Text | Lang | Role | Container role |
|---|---|---|---|
| Measurement Frequency [Domain] | en-US | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Measurement frequency. | en-US | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Name | Value | Role |
|---|---|---|
| SourceName | Disclosure Framework-Fair Value | http://fasb.org/srt/role/changeNote/changeNote |
| TaxonomyVersion | 2019 | http://fasb.org/srt/role/changeNote/changeNote |
| ChangeDate | 2018-10 | http://fasb.org/srt/role/changeNote/changeNote |
| ModifiedReferences | true | http://fasb.org/srt/role/changeNote/changeNote |
| ModifiedLabels | true | http://fasb.org/srt/role/changeNote/changeNote |
| ModifiedDocumentation | true | http://fasb.org/srt/role/changeNote/changeNote |
| PreviousDocumentation | Provides the general categories used to describe the frequency with which financial assets and liabilities (as defined) are measured at fair value (on a recurring or nonrecurring basis). | http://fasb.org/srt/role/changeNote/changeNote |
| Source_ASU_Number | 2018-13 | http://fasb.org/srt/role/changeNote/changeNote |
| Name | Relation Type | Role | |
|---|---|---|---|
us-gaap:FairValueByMeasurementFrequencyAxis | parent-child | http://fasb.org/us-gaap/role/disclosure/FinancialInstrumentsFairValueDisclosures | |
us-gaap:FairValueByMeasurementFrequencyAxis | dimension-default | http://fasb.org/us-gaap/role/disclosure/FinancialInstrumentsFairValueDisclosuresFairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable | |
us-gaap:FairValueByMeasurementFrequencyAxis | dimension-domain | http://fasb.org/us-gaap/role/disclosure/FinancialInstrumentsFairValueDisclosuresFairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable | |
us-gaap:FairValueByMeasurementFrequencyAxis | dimension-default | http://fasb.org/us-gaap/role/disclosure/FinancialInstrumentsFairValueDisclosuresFairValueInvestmentsEntitiesThatCalculateNetAssetValuePerShareTable | |
us-gaap:FairValueByMeasurementFrequencyAxis | dimension-domain | http://fasb.org/us-gaap/role/disclosure/FinancialInstrumentsFairValueDisclosuresFairValueInvestmentsEntitiesThatCalculateNetAssetValuePerShareTable |