cm:Concept: us-gaap:PaymentsForProceedsFromMortgageServicingRights
| Payments for (Proceeds from) Mortgage Servicing Rights |
| us-gaap:PaymentsForProceedsFromMortgageServicingRights |
| The net cash outflow or inflow associated with acquisition or sale of mortgage servicing rights which is the net carrying value of capitalized servicing rights, which contractually entitle the servicer to receive fees and ancillary revenues for performing billing, collection, disbursement and recordkeeping services in connection with a mortgage portfolio. Rights may be obtained via (1) acquisition or assumption of a servicing obligation that does not relate to financial assets of the servicer or its consolidated affiliates; or (2) by originating mortgage loans and then (a) transferring the loans to a Variable Interest Entity (VIE) in a transaction that meets the necessary transfer and classification requirements, or (b) transferring the loans in a transaction that meets the requirements for sale accounting. |
| cm:Concept |
| Monetary (xbrli:monetaryItemType) |
| For Period (duration) |
| Credit |
| false |
| us-gaap:PaymentsForProceedsFromMortgageServicingRights |