Consolidated Statements of Comprehensive Income (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Net earnings	$ 4,484	$ 2,043	$ 3,272
Net unrealized holding gains (losses) on available-for-sale securities for which a portion of an other-than-temporary impairment has been recorded in earnings	190	(4)	(479)
Net unrealized holding gains (losses) on all other available-for-sale securities	4,139	(745)	897
Less reclassification adjustment for (gains) losses included in earnings	(114)	(172)	952
Net unrealized gains (losses)	4,215	(921)	1,370
Income tax expense (benefit)	1,558	(340)	492
Total comprehensive income	$ 7,141	$ 1,462	$ 4,150