| Component: (Network and Table) | |
|---|---|
| Network | 088 - Disclosure - Note 7 - Premises and Equipment - Components of Premises and Equipment (Details) (http://www.reddingbankofcommerce.com/20161231/role/statement-note-7-premises-and-equipment-components-of-premises-and-equipment-details) |
| Table | Statement [Table] |
| Reporting Entity [Axis] | 0000702513 (http://www.sec.gov/CIK) |
| Scenario [Axis] | Scenario, Unspecified [Domain] |
| Statement [Line Items] | Period [Axis] | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
2016-12-31 | 2015-12-31 | |||||||||||||
| Property, Plant and Equipment, Type [Axis] | Property, Plant and Equipment, Type [Axis] | |||||||||||||
| Land [Member] | Land Improvements [Member] | Bank Buildings [Member] | Furniture, Fixtures and Equipment [Member] | Software and Software Development Costs [Member] | Assets Not Yet Placed in Service [Member] | Property, Plant and Equipment, Type [Domain] | Land [Member] | Land Improvements [Member] | Bank Buildings [Member] | Furniture, Fixtures and Equipment [Member] | Software and Software Development Costs [Member] | Assets Not Yet Placed in Service [Member] | Property, Plant and Equipment, Type [Domain] | |
Premises and equipment | ||||||||||||||
Less: accumulated depreciation and amortization | ( | ( | ||||||||||||
Premises and equipment, net | 16,226,000 | 11,072,000 | ||||||||||||