| Standard label: | Financing Receivable, Troubled Debt Restructuring, Commitment to Lend |
| Name: | us-gaap:LoansAndLeasesReceivableImpairedCommitmentToLend |
| Documentation: | Amount of unfunded portion of contractual agreement to lend funds to borrower for financing receivable modified as troubled debt restructuring. |
| Object type: | cm:Concept |
| Data type: | Monetary (xbrli:monetaryItemType) |
| Period type: | As Of (instant) |
| Balance type: | Debit |
| Abstract: | false |
| Workiva Wdesk Taxonomy Analyzer: | us-gaap:LoansAndLeasesReceivableImpairedCommitmentToLend |
| Label | Role | Language |
| Financing Receivable, Troubled Debt Restructuring, Commitment to Lend | http://www.xbrl.org/2003/role/label | en-US |
| Reference | Role | Topic |
| FASB Accounting Standards Codification 310 40 50 1 | http://www.xbrl.org/2003/role/disclosureRef | 310 |