| Component: (Network and Table) | |
|---|---|
| Network | 40802 - Disclosure - Premises And Equipment (Year-End Premises and Equipment) (Details) (http://www.cfbankonline.com/role/DisclosurePremisesAndEquipmentYearEndPremisesAndEquipmentDetails) |
| Table | (Implied) |
| Reporting Entity [Axis] | 0001070680 (http://www.sec.gov/CIK) |
| Premises And Equipment [Abstract] | Period [Axis] | |
|---|---|---|
2016-12-31 | 2015-12-31 | |
Premises And Equipment [Abstract] | ||
Land and land improvements | ||
Buildings | ||
Furniture, fixtures and equipment | ||
Premises and equipment, gross | ||
Less: Accumulated Depreciation | ( | ( |
Premises and equipment, net | 3,429,000 | 3,609,000 |