| TaxonomyVersion | 2018 | http://fasb.org/srt/role/changeNote/changeNote |
| ChangeDate | 2017-07 | 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 | Indicates (true/false) that a framework other than the framework in Topic 820 of the Accounting Standards Codification on fair value measurement was used in prior valuations. | http://fasb.org/srt/role/changeNote/changeNote |
| SourceName | Technical Corrections:Taxonomy Technical Improvement | http://fasb.org/srt/role/changeNote/changeNote |
| TaxonomyVersion | 2019 | http://fasb.org/srt/role/changeNote/changeNote |
| ChangeDate | 2018-07 | http://fasb.org/srt/role/changeNote/changeNote |
| ElementDeprecated | true | http://fasb.org/srt/role/changeNote/changeNote |
| Source_ASU_Number | 2015-10 | http://fasb.org/srt/role/changeNote/changeNote |
| DeprecatedDate | 2019-01-31 | http://fasb.org/srt/role/changeNote/changeNote |
| DeprecatedLabel | Element was deprecated because the guidance from which this element is derived is no longer applicable. | http://fasb.org/srt/role/changeNote/changeNote |