cm:Concept: us-gaap:ProceedsFromSaleOfForeclosedAssets
| Proceeds from Sale of Foreclosed Assets |
| us-gaap:ProceedsFromSaleOfForeclosedAssets |
| The cash inflow from the sale assets received in full or partial satisfaction of a receivable including real and personal property; equity interests in corporations, partnerships, and joint ventures; and beneficial interests in trusts. Foreclosed assets also include loans that are treated as if the underlying collateral had been foreclosed because the institution has taken possession of the collateral, even though legal foreclosure or repossession proceedings have not taken place. |
| cm:Concept |
| Monetary (xbrli:monetaryItemType) |
| For Period (duration) |
| Debit |
| false |
| us-gaap:ProceedsFromSaleOfForeclosedAssets |