cm:Concept: us-gaap:CompensatingBalanceAgreement
| Compensating Balance, Agreement |
| us-gaap:CompensatingBalanceAgreement |
| Describe the terms of a specific credit balance arrangement with a bank required to be maintained on deposit with the institution as a condition for the granting of a loan. Compensating balances are a common requirement for establishing a line of credit with a bank. |
| cm:Concept |
| Text/String (xbrli:stringItemType) |
| For Period (duration) |
| (no balance type) |
| false |
| us-gaap:CompensatingBalanceAgreement |