Consolidated Statements of Comprehensive Income (unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
Consolidated Statements of Comprehensive Income [Abstract]
Net earnings	$ 2,886	$ 741
Unrealized gains on securities available-for-sale:
Unrealized holding gains (losses) arising during the year, net of income tax benefit of $138 for the quarter ended March 31, 2012 and net of income tax expense of $46 for the quarter ended March 31, 3011	(268)	89
Reclassification adjustment for gain on securities available-for-sale, net of income tax expense of $0 and $14 for the quarters ended March 31, 2012 and 2011, respectively	0	(27)
Total other comprehensive income	(268)	62
Total comprehensive income	$ 2,618	$ 803