| Standard label: | Schedule of Revenues from External Customers and Long-Lived Assets [Table] |
| Name: | us-gaap:ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsTable |
| Documentation: | Schedule of material long-lived assets (excluding financial instruments, customer relationships with financial institutions, mortgage and other servicing rights, deferred policy acquisition costs, and deferred taxes assets) located in identified geographic areas and/or the amount of revenue from external customers attributed to that country from which revenue is material. An entity may also provide subtotals of geographic information about groups of countries. |
| Object type: | cm:Table |
| Data type: | Text/String (xbrli:stringItemType) |
| Period type: | For Period (duration) |
| Balance type: | (no balance type) |
| Abstract: | true |
| Workiva Wdesk Taxonomy Analyzer: | us-gaap:ScheduleOfRevenuesFromExternalCustomersAndLongLivedAssetsTable |
| Label | Role | Language |
| Schedule of Revenues from External Customers and Long-Lived Assets [Table] | http://www.xbrl.org/2003/role/label | en-US |
| Reference | Role | Topic |
| FASB Accounting Standards Codification 220 10 S99 1 (SX 210.3-03(e)) | http://fasb.org/us-gaap/role/ref/legacyRef | 220 |
| FASB Accounting Standards Codification 220 10 S99 2 (SX 210.5-03(1)) | http://fasb.org/us-gaap/role/ref/legacyRef | 220 |
| FASB Accounting Standards Codification 280 10 50 41 | http://fasb.org/us-gaap/role/ref/legacyRef | 280 |