| Standard label: | Time Deposits Maturities, after Next Twelve Months |
| Name: | us-gaap:TimeDepositsNoncurrent |
| Documentation: | Amount of time deposits maturing after the next fiscal year following the latest fiscal year. Time deposits include, but are not limited to, certificates of deposits. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. |
| 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:TimeDepositsNoncurrent |
| Label | Role | Language |
| Time Deposits Maturities, after Next Twelve Months | http://www.xbrl.org/2003/role/label | en-US |
| Time Deposits Maturities, after Next Twelve Months, Total | http://www.xbrl.org/2003/role/totalLabel | en-US |
| Reference | Role | Topic |
| FASB Accounting Standards Codification 942 405 50 1 | http://fasb.org/us-gaap/role/ref/legacyRef | 942 |