Consolidated Statements of Comprehensive Income (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Consolidated Statements of Comprehensive Income [Abstract]
Net earnings	$ 9,642	$ 4,473	$ 5,780
Unrealized gains on securities available-for-sale:
Unrealized holding gains arising during the year net of income tax expense of $291, $1,872, and $143 respectively	540	3,635	280
Reclassification adjustment for net gains on sales of securities available-for-sale, net of income tax expense of $71, $34 and $1, respectively	(133)	(65)	(2)
Total other comprehensive income	407	3,570	278
Total comprehensive income	$ 10,049	$ 8,043	$ 6,058