cm:Member: us-gaap:GovernmentNationalMortgageAssociationCertificatesAndObligationsGNMAMember
Government National Mortgage Association Certificates and Obligations (GNMA) [Member] |
us-gaap:GovernmentNationalMortgageAssociationCertificatesAndObligationsGNMAMember |
Investments in debentures, bonds and other debt securities issued by the Government National Mortgage Association (GNMA or Ginnie Mae). |
cm:Member |
[Member] (nonnum:domainItemType) |
For Period (duration) |
(no balance type) |
true |
us-gaap:GovernmentNationalMortgageAssociationCertificatesAndObligationsGNMAMember |