Income Taxes (Details 1) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Income Taxes Details 1
Tax expense at statutory rate	$ 2,905	$ 2,627	$ 2,292
Tax expense at statutory rate, tax rate	34.00%	34.00%	34.00%
Tax-exempt interest	(778)	(480)	(527)
Tax-exempt interest, tax rate	(9.10%)	(6.20%)	(7.80%)
Bank owned life insurance	(138)	(141)	(139)
Bank owned life insurance, tax rate	(1.60%)	(1.80%)	(2.10%)
State income taxes	399	374	343
State income taxes, tax rate	4.70%	4.80%	5.10%
Merger-related expenses	73
Merger-related expenses, tax rate	1.00%	0.00%	0.00%
Other	74	41	19
Other, tax rate	1.00%	0.50%	0.30%
Total provision for income taxes	$ 2,535	$ 2,421	$ 1,988
Total provision for income taxes, tax rate	30.00%	31.30%	29.50%

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A ratio calculated by dividing the reported amount of income tax expense attributable to continuing operations for the period by GAAP-basis pretax income from continuing operations.

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The domestic federal statutory tax rate applicable under enacted tax laws to the Company's pretax income from continuing operations for the period. The "statutory" tax rate is the regular tax rate if there are alternative tax systems.

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The portion of the difference between the effective income tax rate and domestic federal statutory income tax rate attributable to other deductions received under enacted tax laws not otherwise listed in the existing taxonomy.

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The portion of the difference between the effective income tax rate and domestic federal statutory income tax rate attributable to nondeductible life insurance premiums under enacted tax laws.

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The portion of the difference between the effective income tax rate and domestic federal statutory income tax rate attributable to nondeductible expenses under enacted tax laws, or differences in the methodologies used to determine expense amounts for financial statements prepared in accordance with generally accepted accounting principles, not otherwise listed in the existing taxonomy.

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The portion of the difference between the effective income tax rate and domestic federal statutory income tax rate that can be explained by the state and local income tax expense or benefit, net of the federal tax benefit (expense) thereon, recorded during the period.

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The portion of the difference between the effective income tax rate and domestic federal statutory income tax rate attributable to income that is exempt from income taxes under enacted tax laws.

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The sum of the current income tax expense or benefit and the deferred income tax expense or benefit pertaining to continuing operations.

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