| Standard label: | Tax Cuts and Jobs Act, Change in Tax Rate, Deferred Tax Asset, Income Tax Expense |
| Name: | us-gaap:TaxCutsAndJobsActOf2017ChangeInTaxRateDeferredTaxAssetIncomeTaxExpense |
| Documentation: | Amount of income tax expense for remeasurement of deferred tax asset 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:TaxCutsAndJobsActOf2017ChangeInTaxRateDeferredTaxAssetIncomeTaxExpense |
| Label | Role | Language |
| Tax Cuts and Jobs Act, Change in Tax Rate, Deferred Tax Asset, Income Tax Expense | http://www.xbrl.org/2003/role/label | 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:TaxCutsAndJobsActOf2017ChangeInTaxRateIncomeTaxExpenseBenefit |