| Standard label: | Troubled Debt Restructuring, Debtor, Current Period, Gain (Loss) on Restructuring, Tax Effect |
| Name: | us-gaap:TroubledDebtRestructuringDebtorCurrentPeriodGainLossOnRestructuringTaxEffect |
| Documentation: | Amount of income tax expense (benefit) on the gain (loss) recognized for the restructuring of payables for troubled debt restructurings. |
| 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:TroubledDebtRestructuringDebtorCurrentPeriodGainLossOnRestructuringTaxEffect |
| Label | Role | Language |
| Troubled Debt Restructuring, Debtor, Current Period, Gain (Loss) on Restructuring, Tax Effect | http://www.xbrl.org/2003/role/label | en-US |
| Reference | Role | Topic |
| FASB Accounting Standards Codification 470 60 50 1 (b) | http://fasb.org/us-gaap/role/ref/legacyRef | 470 |
| Part Of Roll Up: |
| us-gaap:TroubledDebtRestructuringDebtorCurrentPeriodGainLossOnRestructuringNetOfTax |