cm:Concept: us-gaap:LoansInsurancePolicy
| Loans, Gross, Insurance Policy |
| us-gaap:LoansInsurancePolicy |
| Amount before allowance of loans made to policy and contract holders using their life insurance contracts' cash value or separate accounts as collateral. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums over and discounts from face amounts. Excludes loans and leases covered under loss sharing agreements. |
| cm:Concept |
| Monetary (xbrli:monetaryItemType) |
| As Of (instant) |
| Debit |
| false |
| us-gaap:LoansInsurancePolicy |