cm:Concept: us-gaap:MunicipalInvestmentAgreements
| Municipal Investment Agreements |
| us-gaap:MunicipalInvestmentAgreements |
| Carrying value as of the balance sheet date of the obligations arising from contracts specifying rights and responsibilities of a host municipality in the structure or operation of an investment project. For example, proceeds from a revenue bond may be invested temporarily in contracts until disbursements are required for construction of a major project. There is little or no insurance risk for the entity. |
| cm:Concept |
| Monetary (xbrli:monetaryItemType) |
| As Of (instant) |
| Credit |
| false |
| us-gaap:MunicipalInvestmentAgreements |