| Name | SalariesWagesAndOfficersCompensation |
|---|---|
| Namespace | http://fasb.org/us-gaap/2020-01-31 |
| Prefix | us-gaap |
| Data type | xbrli:monetaryItemType |
| Period type | duration |
| Substitution Group | xbrli:item |
| Balance | debit |
| Nillable | True |
| Abstract | False |
| Text | Lang | Role | Container role |
|---|---|---|---|
| Salary and Wage, Excluding Cost of Good and Service Sold | en-US | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Salary and Wage, Excluding Cost of Good and Service Sold, Total | en-US | http://www.xbrl.org/2003/role/totalLabel | http://www.xbrl.org/2003/role/link |
| Amount of expense for salary and wage arising from service rendered by nonofficer and officer employees. Excludes allocated cost, labor-related nonsalary expense, and direct and overhead labor cost included in cost of good and service sold. | en-US | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Name | Value | Role |
|---|---|---|
| SourceName | Improving Net Periodic Benefit Cost | http://fasb.org/srt/role/changeNote/changeNote |
| TaxonomyVersion | 2018 | http://fasb.org/srt/role/changeNote/changeNote |
| ChangeDate | 2017-03 | 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 | Expenditures for salaries for officers and non-officers. Does not include allocated share-based compensation, pension and post-retirement benefit expense or other labor-related non-salary expense. For commercial and industrial companies, excludes any direct and overhead labor that is included in cost of goods sold. | http://fasb.org/srt/role/changeNote/changeNote |
| Source_ASU_Number | 2017-07 | http://fasb.org/srt/role/changeNote/changeNote |
| Name | Relation Type | Role | |
|---|---|---|---|
us-gaap:SalariesAndWages | summation-item | http://fasb.org/us-gaap/role/statement/StatementOfIncome | |
us-gaap:OfficersCompensation | summation-item | http://fasb.org/us-gaap/role/statement/StatementOfIncome |
| Name | Relation Type | Role | |
|---|---|---|---|
us-gaap:IncomeStatementAbstract | domain-member | http://fasb.org/us-gaap/role/eedm/ExtensibleEnumerationLists | |
us-gaap:GeneralAndAdministrativeExpense | summation-item | http://fasb.org/us-gaap/role/statement/StatementOfIncome | |
us-gaap:SalariesWagesAndOfficersCompensationAbstract | parent-child | http://fasb.org/us-gaap/role/disclosure/CompensationRelatedCostsGeneral |