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Consolidated Statements of Comprehensive Income (Unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Statements Of Comprehensive Income [Abstract]
Net income	$ 1,318	$ 972
Available-for-sale investment securities:
Gross unrealized holding gains arising in the period	(294)	162
Related tax expense	100	(55)
Less: reclassification adjustment for gains realized in income	(20)
Related tax expense	7
Net effect on other comprehensive (loss) income	(207)	107
Total comprehensive income	$ 1,111	$ 1,079

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This item represents the pretax change in net unrealized holding gain (loss) on available-for-sale securities that has been included in accumulated other comprehensive income, a separate component of shareholders' equity, during the period.

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