CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Cash flows from operating activities:
Net income	$ 5,294us-gaap_NetIncomeLoss	$ 8,250us-gaap_NetIncomeLoss	$ 7,520us-gaap_NetIncomeLoss
Adjustments to reconcile net income to net cash (used in) provided by operating activities:
Net decrease in deferred loan fees	(305)	(294)	(311)
Depreciation	1,355us-gaap_DepreciationNonproduction	1,133us-gaap_DepreciationNonproduction	972us-gaap_DepreciationNonproduction
Accretion	(1,015)	(852)	(713)
Amortization	7,949us-gaap_AdjustmentForAmortization	9,179us-gaap_AdjustmentForAmortization	7,549us-gaap_AdjustmentForAmortization
Stock-based compensation	173us-gaap_ShareBasedCompensation	98us-gaap_ShareBasedCompensation	108us-gaap_ShareBasedCompensation
Excess tax benefit from exercise of stock options	(7)	(17)	(26)
Provision for credit losses	7,985us-gaap_ProvisionForLoanAndLeaseLosses	0us-gaap_ProvisionForLoanAndLeaseLosses	700us-gaap_ProvisionForLoanAndLeaseLosses
Net realized gains on sales and calls of available-for-sale investment securities	(904)	(1,265)	(1,639)
Net loss (gain) on sale and disposal of equipment	201	(1)	(4)
Net gain on sale of other real estate owned	(63)	0	(12)
Increase in bank owned life insurance, net of expenses	(614)	(495)	(391)
Net (increase) decrease in accrued interest receivable and other assets	(3,021)	410	(19)
Net decrease in prepaid FDIC Assessments	0	1,542	513
Net increase (decrease) in accrued interest payable and other liabilities	537	(1,805)	(7,425)
(Benefit) provision for deferred income taxes	(408)	(296)	440
Net cash provided by operating activities	17,157	15,587	7,262
Cash Acquired from Acquisition	0us-gaap_CashAcquiredFromAcquisition	40,935us-gaap_CashAcquiredFromAcquisition	0us-gaap_CashAcquiredFromAcquisition
Cash flows used in investing activities:
Purchases of available-for-sale investment securities	(146,468)	(222,668)	(194,583)
Proceeds from sales or calls of available-for-sale investment securities	79,757	88,146	39,119
Proceeds from maturity and principal repayment of available-for-sale investment securities	52,665	76,512	90,798
Net (increase) decrease in loans	(69,047)	(4,393)	28,089
Proceeds from sale of other real estate owned	488	263	2,349
Purchases of premises and equipment	(1,328)	(1,159)	(1,353)
Purchases of bank owned life insurance	(900)	0	(116)
FHLB stock (purchased) redeemed	(292)	48	(957)
Proceeds from sale of premises and equipment	363	1	5
Net cash used in investing activities	(84,762)	(22,315)	(36,649)
Cash Flows From Financing Activities:
Net increase in demand, interest-bearing and savings deposits	50,643	75,663	53,265
Net (decrease) increase in time deposits	(15,634)us-gaap_IncreaseDecreaseInTimeDeposits	2,841us-gaap_IncreaseDecreaseInTimeDeposits	(14,819)us-gaap_IncreaseDecreaseInTimeDeposits
Repayments of short-term borrowings to Federal Home Loan Bank	0	(4,000)	0
Redemption of preferred stock Series C	0	(7,000)	0
Purchase and retirement of common stock	0	0	(488)
Proceeds from exercise of stock options	55	789	385
Excess tax benefit from exercise of stock options	7	17	26
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	(438)	(350)
Net cash provided by financing activities	32,881	65,824	37,539
Increase (decrease) in cash and cash equivalents	(34,724)	59,096	8,152
CASH AND CASH EQUIVALENTS AT BEGINNING OF YEAR	112,052	52,956	44,804
CASH AND CASH EQUIVALENTS AT END OF YEAR	77,328	112,052	52,956
Cash paid during the period for:
Interest	1,171us-gaap_InterestPaid	1,430us-gaap_InterestPaid	1,939us-gaap_InterestPaid
Income taxes	1,360us-gaap_IncomeTaxesPaidNet	1,790us-gaap_IncomeTaxesPaidNet	1,193us-gaap_IncomeTaxesPaidNet
Non-cash investing and financing activities:
Transfer of securities from available-for-sale to held-to-maturity	31,346	0	0
Unrealized gain on transfer of securities from available-for-sale to held-to-maturity	163	0	0
Transfer of loans to other real estate owned	235us-gaap_TransferOfOtherRealEstate	190us-gaap_TransferOfOtherRealEstate	2,337us-gaap_TransferOfOtherRealEstate
Common stock issued in Visalia Community Bank acquisition	0us-gaap_StockIssued1	12,494us-gaap_StockIssued1	0us-gaap_StockIssued1
Accrued preferred stock dividends	$ 0	$ 0	$ 88

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The net change during the reporting period in the amount due from borrowers for interest payments and other operating assets not otherwise defined in the taxonomy.

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The net increase(decrease) in interest income during the period representing the allocation of deferred loan origination fees less deferred loan origination costs using the effective interest method over the term of the debt arrangement to which they pertain taking into account the effect of prepayments.

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Carrying value as of the balance sheet date of dividends declared but unpaid on equity securities issued by the entity and outstanding.

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Amount of gain (loss) on sale or disposal of property, plant and equipment assets, including oil and gas property and timber property.

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Net cash inflow (outflow) of time deposits.

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The increase (decrease) in cash associated with the entity's continuing operating, investing, and financing activities. While for technical reasons this element has no balance attribute, the default assumption is a debit balance consistent with its label.

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