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Consolidated Statements of Comprehensive Income (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Statements of Comprehensive Income [Abstract]
Net earnings	$ 6,763	$ 5,538	$ 5,346
Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, Net of Tax
Unrealized net holding loss on other-than-temporarily impaired securities due to factors other than credit	0	(82)	(133)
Unrealized net holding gain (loss) on all other securities	1,379	7,059	(1,281)
Reclassification adjustment for net (gain) loss on securities recognized in net earnings	(427)	(554)	(898)
Other comprehensive income (loss), net of tax	952	6,423	(2,312)
Comprehensive income, Total	$ 7,715	$ 11,961	$ 3,034

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