| Standard label: | Repurchase Agreements, Interest Expense Amount |
| Name: | us-gaap:RepurchaseAgreementsInterestExpenseAmount |
| Documentation: | This is the amount of interest expense incurred during the reporting period as a result of repurchase agreements. |
| 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:RepurchaseAgreementsInterestExpenseAmount |
| Label | Role | Language |
| Repurchase Agreements, Interest Expense Amount | http://www.xbrl.org/2003/role/label | en-US |
| Reference | Role | Topic |
| FASB Accounting Standards Codification 940 405 45 1 | http://fasb.org/us-gaap/role/ref/legacyRef | 940 |
| FASB Accounting Standards Codification 942 220 S99 1 (SX 210.9-04.7) | http://fasb.org/us-gaap/role/ref/legacyRef | 942 |