| SourceName | Disclosure Framework-Defined Benefit Plans | http://fasb.org/srt/role/changeNote/changeNote |
| TaxonomyVersion | 2019 | http://fasb.org/srt/role/changeNote/changeNote |
| ChangeDate | 2018-08 | http://fasb.org/srt/role/changeNote/changeNote |
| ModifiedDocumentation | true | http://fasb.org/srt/role/changeNote/changeNote |
| PreviousDocumentation | Description of defined contribution pension and other postretirement plans. Includes, but is not limited to, plan utilized, employee group covered, and employer matching contributions. | http://fasb.org/srt/role/changeNote/changeNote |
| Source_ASU_Number | 2018-14 | http://fasb.org/srt/role/changeNote/changeNote |