| Component: (Network and Table) | |
|---|---|
| Network | 30803 - Disclosure - Premises And Equipment (Tables) (http://www.cfbankonline.com/role/DisclosurePremisesAndEquipmentTables) |
| Table | (Implied) |
| Reporting Entity [Axis] | 0001070680 (http://www.sec.gov/CIK) |
| Premises And Equipment [Abstract] | Period [Axis] | ||||||||||||||||||||||||||||||||||||||||||||||||
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2016-01-01 - 2016-12-31 | |||||||||||||||||||||||||||||||||||||||||||||||||
Premises And Equipment [Abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||
Year-End Premises and Equipment |
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Rent Commitments |
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