cm:Level3TextBlock: us-gaap:ShortdurationInsuranceContractsReconciliationOfClaimsDevelopmentToLiabilityTableTextBlock
Short-duration Insurance Contracts, Reconciliation of Claims Development to Liability [Table Text Block] |
us-gaap:ShortdurationInsuranceContractsReconciliationOfClaimsDevelopmentToLiabilityTableTextBlock |
Tabular disclosure for the reconciliation of claims development to the liability for unpaid claims and claim adjustment expense for short-duration insurance contracts. |
cm:Level3TextBlock |
Text Block (HTML) (nonnum:textBlockItemType) |
For Period (duration) |
(no balance type) |
false |
us-gaap:ShortdurationInsuranceContractsReconciliationOfClaimsDevelopmentToLiabilityTableTextBlock |