| Standard label: | Proceeds from (Repayments of) Lines of Credit | 
| Name: | us-gaap:ProceedsFromRepaymentsOfLinesOfCredit | 
| Documentation: | The net cash inflow or cash outflow from a contractual arrangement with the lender, including letter of credit, standby letter of credit and revolving credit arrangements, under which borrowings can be made up to a specific amount at any point in time with either short term or long term maturity that is collateralized (backed by pledge, mortgage or other lien in the entity's assets). | 
| Object type: | cm:Concept | 
| Data type: | Monetary (xbrli:monetaryItemType) | 
| Period type: | For Period (duration) | 
| Balance type: | Debit | 
| Abstract: | false | 
| Workiva Wdesk Taxonomy Analyzer: | us-gaap:ProceedsFromRepaymentsOfLinesOfCredit | 
| Label | Role | Language | 
| Proceeds from (Repayments of) Lines of Credit | http://www.xbrl.org/2003/role/label | en-US | 
| Proceeds from (Repayments of) Lines of Credit, Total | http://www.xbrl.org/2003/role/totalLabel | en-US | 
| Reference | Role | Topic | 
| FASB Accounting Standards Codification 235 10 S99 3 (SX 210.12-04(a)) | http://www.xbrl.org/2009/role/commonPracticeRef | 235 | 
| Part Of Roll Up: | 
| us-gaap:ProceedsFromRepaymentsOfShortTermDebt |