Consolidated Statements of Comprehensive Income (USD $) In Thousands, unless otherwise specified	3 Months Ended												12 Months Ended
	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2011	Sep. 30, 2011	Jun. 30, 2011	Mar. 31, 2011	Dec. 31, 2010	Sep. 30, 2010	Jun. 30, 2010	Mar. 31, 2010	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Consolidated Statements Of Comprehensive Income
Net income	$ 1,685	$ 1,226	$ 1,918	$ 1,180	$ 1,400	$ 1,394	$ 1,226	$ 1,285	$ 1,334	$ 1,331	$ 1,208	$ 881		$ 6,009	$ 5,305	$ 4,754
Unrealized gain (loss) on securities available for sale														(191)	109	847
Reclassification adjustment for net security (gain) loss ,included in net income															(19)	12
Amortization of unrealized gain on securities available for sale transferred to securities held to maturity included in net income														(274)	(348)	(92)
Unrealized loss on interest rate swap														(179)	(447)	(48)
Reclassification adjustment of interest rate swap settlements included in earnings													111	104	111	33
Comprehensive income														$ 5,469	$ 4,711	$ 5,506