cm:Member: us-gaap:SeniorSubordinatedNotesMember
| Senior Subordinated Notes [Member] |
| us-gaap:SeniorSubordinatedNotesMember |
| A senior subordinated note is a bond that takes priority over other debt securities sold by the issuer. In the event the issuer goes bankrupt, senior subordinated debt holders receive priority for [must receive] repayment [prior] relative to junior and unsecured (general) creditors. However senior subordinated notes are junior to Senior Notes and Senior bond holders. |
| cm:Member |
| [Member] (nonnum:domainItemType) |
| For Period (duration) |
| (no balance type) |
| true |
| us-gaap:SeniorSubordinatedNotesMember |