| Standard label: | Lender Name [Axis] | 
| Name: | us-gaap:LineOfCreditFacilityAxis | 
| Documentation: | Information by name of lender, which may be a single entity (for example, but not limited to, a bank, pension fund, venture capital firm) or a group of entities that participate in the line of credit. | 
| 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:LineOfCreditFacilityAxis | 
| Label | Role | Language | 
| Lender Name [Axis] | http://www.xbrl.org/2003/role/label | en-US | 
| Reference | Role | Topic | 
| FASB Accounting Standards Codification 210 10 S99 1 (SX 210.5-02.19(b),22(b)) | http://fasb.org/us-gaap/role/ref/legacyRef | 210 | 
| FASB Accounting Standards Codification 235 10 S99 1 (SX 210.4-08.(e),(f)) | http://fasb.org/us-gaap/role/ref/legacyRef | 235 |