| Component: (Network and Table) | |
|---|---|
| Network | 2312301 - Disclosure - Property, plant and equipment (Tables) (http://www.centuryca.com/role/PropertyPlantAndEquipmentTables) |
| Table | (Implied) |
| Reporting Entity [Axis] | 0000949157 (http://www.sec.gov/CIK) |
| Property, Plant and Equipment [Abstract] | Period [Axis] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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2016-01-01 - 2016-12-31 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Property, Plant and Equipment [Abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Summary of property, plant and equipment | Property, plant and equipment, at December 31, consist of the following:
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