| Standard label: | Customer's Liability for Acceptances, Gross |
| Name: | us-gaap:CustomersLiabilityForAcceptancesGross |
| Documentation: | Customer's outstanding debt to the institution that resulted from short-term negotiable time drafts drawn on and accepted by an institution (also known as banker's acceptance transactions). |
| 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:CustomersLiabilityForAcceptancesGross |
| Label | Role | Language |
| Customer's Liability for Acceptances, Gross | http://www.xbrl.org/2003/role/label | en-US |
| Reference | Role | Topic |
| FASB Accounting Standards Codification 310 10 45 2 | http://fasb.org/us-gaap/role/ref/legacyRef | 310 |
| FASB Accounting Standards Codification 942 210 S99 1 (SX 210.9-03.7,9) | http://fasb.org/us-gaap/role/ref/legacyRef | 942 |
| FASB Accounting Standards Codification 942 310 45 1 | http://fasb.org/us-gaap/role/ref/legacyRef | 942 |