| Name | TaxYear2009Member |
|---|---|
| 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 |
|---|---|---|---|
| Tax Year 2009 [Member] | en-US | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Identified as tax year 2009. | en-US | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Name | Value | Role |
|---|---|---|
| SourceName | Reference Project | http://fasb.org/srt/role/changeNote/changeNote |
| TaxonomyVersion | 2018 | http://fasb.org/srt/role/changeNote/changeNote |
| ChangeDate | 2017-11 | http://fasb.org/srt/role/changeNote/changeNote |
| ModifiedReferences | true | http://fasb.org/srt/role/changeNote/changeNote |
| Publisher | FASB | http://www.xbrl.org/2009/role/commonPracticeRef |
| Name | Accounting Standards Codification | http://www.xbrl.org/2009/role/commonPracticeRef |
| Topic | 740 | http://www.xbrl.org/2009/role/commonPracticeRef |
| SubTopic | 10 | http://www.xbrl.org/2009/role/commonPracticeRef |
| Section | 50 | http://www.xbrl.org/2009/role/commonPracticeRef |
| Paragraph | 15 | http://www.xbrl.org/2009/role/commonPracticeRef |
| Subparagraph | (e) | http://www.xbrl.org/2009/role/commonPracticeRef |
| URI | http://asc.fasb.org/extlink&oid=84230637&loc=d3e32718-109319 | http://www.xbrl.org/2009/role/commonPracticeRef |
| Name | Relation Type | Role | |
|---|---|---|---|
us-gaap:TaxPeriodDomain | parent-child | http://fasb.org/us-gaap/role/disclosure/IncomeTaxes | |
us-gaap:TaxPeriodDomain | domain-member | http://fasb.org/us-gaap/role/disclosure/IncomeTaxesIncomeTaxContingencyTable | |
us-gaap:TaxPeriodDomain | domain-member | http://fasb.org/us-gaap/role/disclosure/IncomeTaxesOperatingLossCarryforwardsTable | |
us-gaap:TaxPeriodDomain | domain-member | http://fasb.org/us-gaap/role/disclosure/IncomeTaxesTaxCreditCarryforwardTable |