Consolidated Statements of Comprehensive Income (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Consolidated Statements of Comprehensive Income [Abstract]
Net income	$ 2,074	$ 2,322	$ 7,050	$ 6,968
Other comprehensive income, net of tax:
Unrealized holding gains on securities: Unrealized holding gains arising during the period	929	1,505	1,255	3,085
Unrealized holding gains on securities: Reclassification adjustment for losses (gains) included in net income	24	21	(326)	14
Other comprehensive income, net of tax	953	1,526	929	3,099
Comprehensive income	$ 3,027	$ 3,848	$ 7,979	$ 10,067