| Name | ValuationAllowanceDeferredTaxAssetChangeInAmount |
|---|---|
| Namespace | http://fasb.org/us-gaap/2020-01-31 |
| 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 |
|---|---|---|---|
| Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount | en-US | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Amount of increase (decrease) in the valuation allowance for a specified deferred tax asset. | en-US | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Name | Value | Role |
|---|---|---|
| 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://www.xbrl.org/2003/role/disclosureRef |
| Name | Accounting Standards Codification | http://www.xbrl.org/2003/role/disclosureRef |
| Topic | 740 | 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 |
| URI | http://asc.fasb.org/extlink&oid=84230637&loc=d3e32537-109319 | http://www.xbrl.org/2003/role/disclosureRef |
| Name | Relation Type | Role | |
|---|---|---|---|
us-gaap:DeferredIncomeTaxExpenseBenefit | summation-item | http://fasb.org/us-gaap/role/statement/StatementOfCashFlowsIndirect | |
us-gaap:ValuationAllowanceLineItems | parent-child | http://fasb.org/us-gaap/role/disclosure/IncomeTaxes | |
us-gaap:ValuationAllowanceLineItems | domain-member | http://fasb.org/us-gaap/role/disclosure/IncomeTaxesValuationAllowanceTable |