| Standard label: | Tax Cuts and Jobs Act, Change in Tax Rate, Income Tax Expense (Benefit) |
| Name: | us-gaap:TaxCutsAndJobsActOf2017ChangeInTaxRateIncomeTaxExpenseBenefit |
| Documentation: | Amount of income tax expense (benefit) for remeasurement of deferred tax from change in tax rate pursuant to Tax Cuts and Jobs Act. |
| 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:TaxCutsAndJobsActOf2017ChangeInTaxRateIncomeTaxExpenseBenefit |
| Label | Role | Language |
| Tax Cuts and Jobs Act, Change in Tax Rate, Income Tax Expense (Benefit) | http://www.xbrl.org/2003/role/label | en-US |
| Tax Cuts and Jobs Act, Change in Tax Rate, Income Tax Expense (Benefit), Total | http://www.xbrl.org/2003/role/totalLabel | en-US |
| Reference | Role | Topic |
| FASB Accounting Standards Codification 740 10 50 9 | http://www.xbrl.org/2009/role/commonPracticeRef | 740 |
| Part Of Roll Up: |
| us-gaap:TaxCutsAndJobsActOf2017IncomeTaxExpenseBenefit |