cm:Member: us-gaap:VariableRateDemandObligationMember
Variable Rate Demand Obligation [Member] |
us-gaap:VariableRateDemandObligationMember |
Debt securities that permit the holder to require the trustee or tender agent to repurchase the security at specified dates before maturity. This type of bond is also known as a multimaturity bond, an option tender bond, or a put bond. |
cm:Member |
[Member] (nonnum:domainItemType) |
For Period (duration) |
(no balance type) |
true |
us-gaap:VariableRateDemandObligationMember |