cm:Concept: us-gaap:SecurityOwnedAndSoldNotYetPurchasedFairValueSecurityOwned
Security Owned and Sold, Not yet Purchased Fair Value, Security Owned |
us-gaap:SecurityOwnedAndSoldNotYetPurchasedFairValueSecurityOwned |
Fair value of financial instruments held by a broker-dealer for their own account (proprietary securities) for trading or investment purposes determined by management based upon quoted prices of a financial instrument with similar characteristics or on a valuation technique or model. |
cm:Concept |
Monetary (xbrli:monetaryItemType) |
As Of (instant) |
Debit |
false |
us-gaap:SecurityOwnedAndSoldNotYetPurchasedFairValueSecurityOwned |