Components of Other Comprehensive Income (Unaudited) (USD $) In Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
Components of Other Comprehensive Income [Abstract]
Net unrealized holding gains on available-for-sale securities arising during the period, net of taxes of $543 and $498 for the six month period, respectively, and net of tax of $(14) and $203 for the three month period, respectively.	$ (28)	$ 395	$ 1,055	$ 966
Reclassification adjustment for net gains realized in net income, net of taxes of $266 and $327 for the six month period, respectively, and net of taxes of $237 and $327 for the three month period, respectively.	(461)	(636)	(515)	(636)
Reclassification adjustment for other-than-temporary impairment losses on debt securities, net of taxes of $69 and $393 for the six month period, respectively, and net of taxes of $0 and $208 for the three month period, respectively	0	405	133	764
Net unrealized gains on available-for-sale securities, net of tax	(489)	164	673	1,094
Net income	1,321	1,324	2,190	2,218
Total comprehensive income	$ 832	$ 1,488	$ 2,863	$ 3,312