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	$ 7,140us-gaap_NetIncomeLoss	$ 7,158us-gaap_NetIncomeLoss	$ 6,550us-gaap_NetIncomeLoss
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation	772us-gaap_Depreciation	803us-gaap_Depreciation	821us-gaap_Depreciation
Amortization of intangible and other assets	152	150	136
Provision for loan losses	350us-gaap_ProvisionForLoanAndLeaseLosses	0us-gaap_ProvisionForLoanAndLeaseLosses	1,660us-gaap_ProvisionForLoanAndLeaseLosses
(Gain) loss on the sale of other real estate owned	(82)	140	(13)
Loss on the sale and disposal of assets	18us-gaap_GainLossOnSaleOfOtherAssets	1us-gaap_GainLossOnSaleOfOtherAssets	2us-gaap_GainLossOnSaleOfOtherAssets
(Gain) on the sale of securities	(990)us-gaap_GainLossOnSaleOfSecuritiesNet	(465)us-gaap_GainLossOnSaleOfSecuritiesNet	(45)us-gaap_GainLossOnSaleOfSecuritiesNet
Stock-based compensation expense	290us-gaap_ShareBasedCompensation	305us-gaap_ShareBasedCompensation	242us-gaap_ShareBasedCompensation
Premium amortization on securities, net	124	146	191
Deferred tax benefit	142us-gaap_DeferredIncomeTaxExpenseBenefit	1,190us-gaap_DeferredIncomeTaxExpenseBenefit	350us-gaap_DeferredIncomeTaxExpenseBenefit
Changes in assets and liabilities:
(Increase) decrease in other assets	(451)	(1,392)	602
(Decrease) increase in other liabilities	(179)	183	937
Net cash provided by operating activities	7,286	8,219	11,433
Cash Flows from Investing Activities
Proceeds from maturities and principal payments of securities available for sale	10,837	18,389	20,997
Proceeds from the sale of securities available for sale	8,546	3,987	3,357
Purchases of securities available for sale	(8,693)	(26,863)	(12,271)
Proceeds from the sale of restricted securities	284	585	743
Purchases of restricted securities	(900)
Purchases of bank premises and equipment	(2,966)	(1,492)	(2,201)
Proceeds from the sale of other real estate owned	745	1,167	895
Proceeds from the sale of repossessed assets	29	26	71
Net (increase) in loans	(27,085)	(27,290)	(13,213)
Net cash (used in) investing activities	(19,203)	(31,491)	(1,622)
Cash Flows from Financing Activities
Net increase in demand deposits, money market and savings accounts	20,210us-gaap_IncreaseDecreaseInDeposits	22,327us-gaap_IncreaseDecreaseInDeposits	48,725us-gaap_IncreaseDecreaseInDeposits
Net (decrease) in certificates of deposit	(3,980)us-gaap_IncreaseDecreaseInTimeDeposits	(11,841)us-gaap_IncreaseDecreaseInTimeDeposits	(20,089)us-gaap_IncreaseDecreaseInTimeDeposits
Net increase in federal funds purchased and securities sold under agreements to repurchase	0	10,000	0
Net increase (decrease) in Federal Home Loan Bank advances	17,750	(10,000)	(10,000)
Issuance of common stock, employee benefit plan	202	179	107
Stock options exercised	0	69	0
Cash dividends paid	(1,944)us-gaap_PaymentsOfDividendsCommonStock	(1,909)us-gaap_PaymentsOfDividendsCommonStock	(1,805)us-gaap_PaymentsOfDividendsCommonStock
Net cash provided by (used in) financing activities	32,238	(11,175)	16,938
Increase (decrease) in cash and cash equivalents	20,321	(34,447)	26,749
Cash and Cash Equivalents
Beginning	14,243	48,690	21,941
Ending	34,564	14,243	48,690
Supplemental Disclosures of Cash Flow Information
Interest	1,916us-gaap_InterestPaid	2,704us-gaap_InterestPaid	3,436us-gaap_InterestPaid
Income taxes	1,985us-gaap_IncomeTaxesPaid	2,097us-gaap_IncomeTaxesPaid	2,210us-gaap_IncomeTaxesPaid
Supplemental Schedule of Noncash Investing and Financing Activities:
Unrealized gain (loss) on securities available for sale	1,392us-gaap_UnrealizedGainLossOnInvestments	(4,962)us-gaap_UnrealizedGainLossOnInvestments	849us-gaap_UnrealizedGainLossOnInvestments
Change in fair value of interest rate swap	145	201	(55)
Other real estate acquired in settlement of loans	781us-gaap_TransferToOtherRealEstate	25us-gaap_TransferToOtherRealEstate	1,715us-gaap_TransferToOtherRealEstate
Issuance of common stock, dividend investment plan	$ 700us-gaap_StockIssued1	$ 662us-gaap_StockIssued1	$ 626us-gaap_StockIssued1

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