cm:Concept: us-gaap:LongTermContractForPurchaseOfElectricPowerDateOfContractExpiration
Long-term Contract for Purchase of Electric Power, Date of Contract Expiration |
us-gaap:LongTermContractForPurchaseOfElectricPowerDateOfContractExpiration |
Date of contract expiration of long-term contract to purchase electricity from a production plant, in CCYY-MM-DD format. |
cm:Concept |
Date (xbrli:dateItemType) |
For Period (duration) |
(no balance type) |
false |
us-gaap:LongTermContractForPurchaseOfElectricPowerDateOfContractExpiration |