| Standard label: | Loans and Leases Receivable, Commitments, Fixed Rates |
| Name: | us-gaap:LoansAndLeasesReceivableCommitmentsFixedRates |
| Documentation: | Reflects the amount of cash required to fully fund agreements to provide advances to borrowers and lessees at stated interest rates. |
| Object type: | cm:Concept |
| Data type: | Monetary (xbrli:monetaryItemType) |
| Period type: | For Period (duration) |
| Balance type: | Credit |
| Abstract: | false |
| Workiva Wdesk Taxonomy Analyzer: | us-gaap:LoansAndLeasesReceivableCommitmentsFixedRates |
| Label | Role | Language |
| Loans and Leases Receivable, Commitments, Fixed Rates | http://www.xbrl.org/2003/role/label | en-US |
| Reference | Role | Topic |
| FASB Accounting Standards Codification 942 825 50 1 (b)(2) | http://fasb.org/us-gaap/role/ref/legacyRef | 942 |
| FASB Accounting Standards Codification 942 825 50 2 | http://fasb.org/us-gaap/role/ref/legacyRef | 942 |