| Standard label: | Financing Receivable, Deferred Income |
| Name: | us-gaap:FinancingReceivableDeferredIncome |
| Documentation: | Amount of fee received for commitment to originate or purchase financing receivable. Excludes financing receivable covered under loss sharing agreement. |
| Object type: | cm:Concept |
| Data type: | Monetary (xbrli:monetaryItemType) |
| Period type: | As Of (instant) |
| Balance type: | Credit |
| Abstract: | false |
| Workiva Wdesk Taxonomy Analyzer: | us-gaap:FinancingReceivableDeferredIncome |
| Label | Role | Language |
| Financing Receivable, Deferred Income | http://www.xbrl.org/2003/role/label | en-US |
| Reference | Role | Topic |
| FASB Accounting Standards Codification 310 10 50 4 | http://www.xbrl.org/2003/role/disclosureRef | 310 |
| FASB Accounting Standards Codification 310 20 45 2 | http://www.xbrl.org/2003/role/disclosureRef | 310 |