| Name | FairValueAssetsMeasuredOnRecurringBasisChangeInUnrealizedGainLoss |
|---|---|
| Namespace | http://fasb.org/us-gaap/2021-01-31 |
| Prefix | us-gaap |
| Data type | xbrli:monetaryItemType |
| Period type | duration |
| Substitution Group | xbrli:item |
| Balance | credit |
| Nillable | True |
| Abstract | False |
| Text | Lang | Role | Container role |
|---|---|---|---|
| Fair Value, Asset, Recurring Basis, Still Held, Unrealized Gain (Loss) | en-US | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Amount of unrealized gain (loss) recognized in income from asset measured at fair value on recurring basis using unobservable input (level 3) and still held. | en-US | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Name | Value | Role |
|---|---|---|
| PublishDate | 2019-01 | http://fasb.org/us-gaap/role/tin/value |
| Positive_XBRL_Value | Gain | http://fasb.org/us-gaap/role/tin/value |
| Negative_XBRL_Value | Loss | 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 | 2019-01 | http://fasb.org/us-gaap/role/tin/usage |
| AlternateElement | FairValueAssetRecurringBasisStillHeldUnrealizedGainLossStatementOfIncomeExtensibleList | http://fasb.org/us-gaap/role/tin/usage |
| elementCreationTaxonomyVersion | 2013 | http://fasb.org/us-gaap/role/tin/taxonomyImplementationNote |
| 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 |
| ModifiedLabels | true | http://fasb.org/srt/role/changeNote/changeNote |
| ModifiedDocumentation | true | http://fasb.org/srt/role/changeNote/changeNote |
| PreviousDocumentation | Amount of unrealized (holding) gain (loss) which is included in the statement of income (or changes in net assets) related to those assets still held at the reporting date for which fair value is measured on a recurring basis using significant unobservable inputs (Level 3). | http://fasb.org/srt/role/changeNote/changeNote |
| Source_ASU_Number | 2018-13 | 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 | 820 | http://www.xbrl.org/2003/role/disclosureRef |
| SubTopic | 10 | http://www.xbrl.org/2003/role/disclosureRef |
| Section | 50 | http://www.xbrl.org/2003/role/disclosureRef |
| Paragraph | 2 | http://www.xbrl.org/2003/role/disclosureRef |
| Subparagraph | (d) | http://www.xbrl.org/2003/role/disclosureRef |
| URI | http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258 | http://www.xbrl.org/2003/role/disclosureRef |
| Name | Relation Type | Role | |
|---|---|---|---|
us-gaap:FairValueAssetRecurringBasisStillHeldUnrealizedGainLossStatementOfIncomeExtensibleList | concept-extensibleEnumerationLineItemLocation | http://fasb.org/us-gaap/role/tin/taxonomyImplementationNote | |
us-gaap:FairValueAssetRecurringBasisStillHeldUnrealizedGainLossStatementOfIncomeExtensibleList | parent-child | http://fasb.org/us-gaap/role/disclosure/FinancialInstrumentsFairValueDisclosures | |
us-gaap:FairValueAssetRecurringBasisStillHeldUnrealizedGainLossStatementOfIncomeExtensibleList | domain-member | http://fasb.org/us-gaap/role/disclosure/FinancialInstrumentsFairValueDisclosuresFairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationTable |
| Name | Relation Type | Role | |
|---|---|---|---|
us-gaap:FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems | parent-child | http://fasb.org/us-gaap/role/disclosure/FinancialInstrumentsFairValueDisclosures | |
us-gaap:FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems | domain-member | http://fasb.org/us-gaap/role/disclosure/FinancialInstrumentsFairValueDisclosuresFairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationTable |