Consolidated Statements of Comprehensive Income (Unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
Statement Of Income and Comprehensive Income [Abstract]
Net income	$ 592	$ 802
Unrealized gains on securities available for sale
Unrealized holding gains arising during the period, net of tax expense of $33 and $267	77	517
Less: Reclassification adjustment for gains included in net income, net of tax expense of $46 and $43	88	83
Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, Net of Tax	(11)	434
Comprehensive income	$ 581	$ 1,236