| Standard label: | Income Tax Effects Allocated Directly to Equity, Prior Period Adjustment |
| Name: | us-gaap:IncomeTaxEffectsAllocatedDirectlyToEquityPriorPeriodAdjustment |
| Documentation: | The tax effect of correction of an error charged or credited directly to the opening balance of retained earnings. |
| Object type: | cm:Concept |
| Data type: | Monetary (xbrli:monetaryItemType) |
| Period type: | For Period (duration) |
| Balance type: | Debit |
| Abstract: | false |
| Workiva Wdesk Taxonomy Analyzer: | us-gaap:IncomeTaxEffectsAllocatedDirectlyToEquityPriorPeriodAdjustment |
| Label | Role | Language |
| Income Tax Effects Allocated Directly to Equity, Prior Period Adjustment | http://www.xbrl.org/2003/role/label | en-US |
| Reference | Role | Topic |
| FASB Accounting Standards Codification 740 20 45 11 (a) | http://fasb.org/us-gaap/role/ref/legacyRef | 740 |
| Part Of Roll Up: |
| us-gaap:IncomeTaxEffectsAllocatedDirectlyToEquity |