| Standard label: | Credit Score, FICO [Axis] |
| Name: | us-gaap:CreditScoreFicoAxis |
| Documentation: | Information by credit scores as defined by Fair Isaac Corporation (FICO), for example, but not limited to, greater than 740. |
| Object type: | cm:Axis |
| Data type: | Text/String (xbrli:stringItemType) |
| Period type: | For Period (duration) |
| Balance type: | (no balance type) |
| Abstract: | true |
| Workiva Wdesk Taxonomy Analyzer: | us-gaap:CreditScoreFicoAxis |
| Label | Role | Language |
| Credit Score, FICO [Axis] | http://www.xbrl.org/2003/role/label | en-US |
| Reference | Role | Topic |
| FASB Accounting Standards Codification 326 20 50 5 | http://www.xbrl.org/2009/role/commonPracticeRef | 326 |
| FASB Accounting Standards Codification 326 20 55 15 (a) | http://www.xbrl.org/2003/role/exampleRef | 326 |