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Parent Only Condensed Financial Statements Condensed Statements of Cash Flows (Details) (USD $) In Thousands, unless otherwise specified | 12 Months Ended
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Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012
Cash flows from operating activities: |  |  |
Net income | $ 5,294 us-gaap_NetIncomeLoss | $ 8,250 us-gaap_NetIncomeLoss | $ 7,520 us-gaap_NetIncomeLoss
Adjustments to reconcile net income to net cash provided by (used in) operating activities: |  |  |
Stock-based compensation | 173 us-gaap_ShareBasedCompensation | 98 us-gaap_ShareBasedCompensation | 108 us-gaap_ShareBasedCompensation
Tax benefit from exercise of stock options | (7)us-gaap_ExcessTaxBenefitFromShareBasedCompensationOperatingActivities | (17)us-gaap_ExcessTaxBenefitFromShareBasedCompensationOperatingActivities | (26)us-gaap_ExcessTaxBenefitFromShareBasedCompensationOperatingActivities
Benefit for deferred income taxes | (408)us-gaap_IncreaseDecreaseInDeferredIncomeTaxes | (296)us-gaap_IncreaseDecreaseInDeferredIncomeTaxes | 440 us-gaap_IncreaseDecreaseInDeferredIncomeTaxes
Cash flows from financing activities: |  |  |
Cash dividend payments on common stock | (2,190)us-gaap_PaymentsOfDividendsCommonStock | (2,048)us-gaap_PaymentsOfDividendsCommonStock | (480)us-gaap_PaymentsOfDividendsCommonStock
Cash dividend payments on preferred stock | 0 us-gaap_PaymentsOfDividendsPreferredStockAndPreferenceStock | (438)us-gaap_PaymentsOfDividendsPreferredStockAndPreferenceStock | (350)us-gaap_PaymentsOfDividendsPreferredStockAndPreferenceStock
Share repurchase and retirement | 0 us-gaap_PaymentsForRepurchaseOfCommonStock | 0 us-gaap_PaymentsForRepurchaseOfCommonStock | (488)us-gaap_PaymentsForRepurchaseOfCommonStock
Proceeds from exercise of stock options | 55 us-gaap_ProceedsFromStockOptionsExercised | 789 us-gaap_ProceedsFromStockOptionsExercised | 385 us-gaap_ProceedsFromStockOptionsExercised
Redemption of preferred stock Series C | 0 us-gaap_PaymentsForRepurchaseOfRedeemablePreferredStock | (7,000)us-gaap_PaymentsForRepurchaseOfRedeemablePreferredStock | 0 us-gaap_PaymentsForRepurchaseOfRedeemablePreferredStock
Tax benefit from exercise of stock options | 7 us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities | 17 us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities | 26 us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities
Net cash (used in) provided by financing activities | 32,881 us-gaap_NetCashProvidedByUsedInFinancingActivities | 65,824 us-gaap_NetCashProvidedByUsedInFinancingActivities | 37,539 us-gaap_NetCashProvidedByUsedInFinancingActivities
CASH AND CASH EQUIVALENTS AT BEGINNING OF YEAR | 112,052 us-gaap_CashAndCashEquivalentsAtCarryingValue | 52,956 us-gaap_CashAndCashEquivalentsAtCarryingValue | 44,804 us-gaap_CashAndCashEquivalentsAtCarryingValue
CASH AND CASH EQUIVALENTS AT END OF YEAR | 77,328 us-gaap_CashAndCashEquivalentsAtCarryingValue | 112,052 us-gaap_CashAndCashEquivalentsAtCarryingValue | 52,956 us-gaap_CashAndCashEquivalentsAtCarryingValue
Cash paid during the year for interest | 1,171 us-gaap_InterestPaid | 1,430 us-gaap_InterestPaid | 1,939 us-gaap_InterestPaid
Non-cash investing and financing activities: |  |  |
Common stock issued in Visalia Community Bank acquisition | 0 us-gaap_StockIssued1 | 12,494 us-gaap_StockIssued1 | 0 us-gaap_StockIssued1
Parent Company |  |  |
Cash flows from operating activities: |  |  |
Net income | 5,294 us-gaap_NetIncomeLoss / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 8,250 us-gaap_NetIncomeLoss / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 7,520 us-gaap_NetIncomeLoss / dei_LegalEntityAxis = us-gaap_ParentCompanyMember
Adjustments to reconcile net income to net cash provided by (used in) operating activities: |  |  |
Undistributed net income of subsidiary, net of distributions | (3,325)us-gaap_IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 9,414 us-gaap_IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | (4,993)us-gaap_IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions / dei_LegalEntityAxis = us-gaap_ParentCompanyMember
Stock-based compensation | 173 us-gaap_ShareBasedCompensation / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 98 us-gaap_ShareBasedCompensation / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 108 us-gaap_ShareBasedCompensation / dei_LegalEntityAxis = us-gaap_ParentCompanyMember
Tax benefit from exercise of stock options | (7)us-gaap_ExcessTaxBenefitFromShareBasedCompensationOperatingActivities / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | (17)us-gaap_ExcessTaxBenefitFromShareBasedCompensationOperatingActivities / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | (26)us-gaap_ExcessTaxBenefitFromShareBasedCompensationOperatingActivities / dei_LegalEntityAxis = us-gaap_ParentCompanyMember
Net (increase) decrease in other assets | (50)us-gaap_IncreaseDecreaseInOtherOperatingAssets / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 86 us-gaap_IncreaseDecreaseInOtherOperatingAssets / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | (28)us-gaap_IncreaseDecreaseInOtherOperatingAssets / dei_LegalEntityAxis = us-gaap_ParentCompanyMember
Net increase (decrease) in other liabilities | 34 us-gaap_IncreaseDecreaseInOtherOperatingLiabilities / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | (198)us-gaap_IncreaseDecreaseInOtherOperatingLiabilities / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 179 us-gaap_IncreaseDecreaseInOtherOperatingLiabilities / dei_LegalEntityAxis = us-gaap_ParentCompanyMember
Benefit for deferred income taxes | (8)us-gaap_IncreaseDecreaseInDeferredIncomeTaxes / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | (18)us-gaap_IncreaseDecreaseInDeferredIncomeTaxes / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | (15)us-gaap_IncreaseDecreaseInDeferredIncomeTaxes / dei_LegalEntityAxis = us-gaap_ParentCompanyMember
Net cash provided by (used in) operating activities | 2,111 us-gaap_NetCashProvidedByUsedInOperatingActivities / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 17,615 us-gaap_NetCashProvidedByUsedInOperatingActivities / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 2,745 us-gaap_NetCashProvidedByUsedInOperatingActivities / dei_LegalEntityAxis = us-gaap_ParentCompanyMember
Cash flows used in investing activities: |  |  |
Investment in subsidiary | 0 us-gaap_PaymentsToAcquireInterestInSubsidiariesAndAffiliates / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | (11,358)us-gaap_PaymentsToAcquireInterestInSubsidiariesAndAffiliates / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 0 us-gaap_PaymentsToAcquireInterestInSubsidiariesAndAffiliates / dei_LegalEntityAxis = us-gaap_ParentCompanyMember
Cash flows from financing activities: |  |  |
Cash dividend payments on common stock | (2,190)us-gaap_PaymentsOfDividendsCommonStock / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | (2,048)us-gaap_PaymentsOfDividendsCommonStock / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | (480)us-gaap_PaymentsOfDividendsCommonStock / dei_LegalEntityAxis = us-gaap_ParentCompanyMember
Cash dividend payments on preferred stock | 0 us-gaap_PaymentsOfDividendsPreferredStockAndPreferenceStock / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | (437)us-gaap_PaymentsOfDividendsPreferredStockAndPreferenceStock / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | (350)us-gaap_PaymentsOfDividendsPreferredStockAndPreferenceStock / dei_LegalEntityAxis = us-gaap_ParentCompanyMember
Share repurchase and retirement | 0 us-gaap_PaymentsForRepurchaseOfCommonStock / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 0 us-gaap_PaymentsForRepurchaseOfCommonStock / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | (488)us-gaap_PaymentsForRepurchaseOfCommonStock / dei_LegalEntityAxis = us-gaap_ParentCompanyMember
Proceeds from exercise of stock options | 55 us-gaap_ProceedsFromStockOptionsExercised / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 789 us-gaap_ProceedsFromStockOptionsExercised / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 385 us-gaap_ProceedsFromStockOptionsExercised / dei_LegalEntityAxis = us-gaap_ParentCompanyMember
Tax benefit from exercise of stock options | 7 us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 17 us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 26 us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities / dei_LegalEntityAxis = us-gaap_ParentCompanyMember
Net cash (used in) provided by financing activities | (2,128)us-gaap_NetCashProvidedByUsedInFinancingActivities / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | (8,679)us-gaap_NetCashProvidedByUsedInFinancingActivities / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | (907)us-gaap_NetCashProvidedByUsedInFinancingActivities / dei_LegalEntityAxis = us-gaap_ParentCompanyMember
Increase (decrease) in cash and cash equivalents | (17)us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | (2,422)us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 1,838 us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease / dei_LegalEntityAxis = us-gaap_ParentCompanyMember
CASH AND CASH EQUIVALENTS AT BEGINNING OF YEAR | 385 us-gaap_CashAndCashEquivalentsAtCarryingValue / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 2,807 us-gaap_CashAndCashEquivalentsAtCarryingValue / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 969 us-gaap_CashAndCashEquivalentsAtCarryingValue / dei_LegalEntityAxis = us-gaap_ParentCompanyMember
CASH AND CASH EQUIVALENTS AT END OF YEAR | 368 us-gaap_CashAndCashEquivalentsAtCarryingValue / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 385 us-gaap_CashAndCashEquivalentsAtCarryingValue / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 2,807 us-gaap_CashAndCashEquivalentsAtCarryingValue / dei_LegalEntityAxis = us-gaap_ParentCompanyMember
Cash paid during the year for interest | $ 194 us-gaap_InterestPaid / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | $ 125 us-gaap_InterestPaid / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | $ 109 us-gaap_InterestPaid / dei_LegalEntityAxis = us-gaap_ParentCompanyMember

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- Definition Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Cash -URI http://asc.fasb.org/extlink&oid=6506951 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Cash Equivalents -URI http://asc.fasb.org/extlink&oid=6507016 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 1 -Article 5 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.1) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section 45 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=28358313&loc=d3e6676-107765 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3044-108585 + Details
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- Definition Amount of cash outflow in the form of ordinary dividends to common shareholders of the parent entity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3291-108585 + Details
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- Definition Amount of cash outflow in the form of ordinary dividends to preferred shareholders of the parent entity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3291-108585 + Details
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- Definition The cash outflow associated with the acquisition of or advances to an entity that is related to it but not strictly controlled (for example, an unconsolidated subsidiary, affiliate, and joint venture or equity method investment) or the acquisition of an additional interest in a subsidiary (controlled entity). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3213-108585 + Details
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- Definition The cash inflow associated with the amount received from holders exercising their stock options. This item inherently excludes any excess tax benefit, which the entity may have realized and reported separately. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (j) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3255-108585 + Details
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- Definition The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 + Details
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- Definition The fair value of stock issued in noncash financing activities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4332-108586 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4313-108586 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4304-108586 + Details
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