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