Income Taxes, Reconciliation of Income Taxes Computed at Federal Statutory Rate and Provision for Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Reconciliation of income taxes computed at federal statutory rate and provision for income taxes [Abstract]
Federal statutory income tax rate	34.00%
Income tax expense at statutory rates	$ 3,625	$ 2,944	$ 2,801
Reduction for tax exempt interest	(115)	(165)	(191)
State franchise tax, net of federal benefit	717	569	457
Cash surrender value of life insurance	(157)	(154)	(154)
Solar credit amortization	(158)	(179)	(201)
Other	(172)	(225)	142
Total income tax expense	$ 3,740	$ 2,790	$ 2,854

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Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
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Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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The amount of income tax expense or benefit for the period computed by applying the domestic federal statutory tax rates to pretax income from continuing operations.

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-Number 210
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Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to tax exempt income, equity in earnings (loss) of an unconsolidated subsidiary, minority noncontrolling interest income (loss), tax holiday, disposition of a business, disposition of an asset, repatriation of foreign earnings, repatriation of foreign earnings jobs creation act of 2004, increase (decrease) in enacted tax rate, prior year income taxes, increase (decrease) in deferred tax asset valuation allowance, and other adjustments.

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