Consolidated Statements Of Comprehensive Income (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Consolidated Statements Of Comprehensive Income [Abstract]
Net income	$ 3,105	$ 2,773	$ 6,268	$ 5,642
Other comprehensive income:
Net unrealized appreciation on securities available for sale, net of tax	1,326	3,738	1,938	3,014
Less reclassification adjustment for net gains related to securities available for sale included in net income, net of tax	(442)	(353)	(816)	(871)
Add other-than-temporary impairment adjustment, net of tax	248	390	550	762
Less non-credit portion of other-than-temporary impairment losses, net of tax	(27)		(102)
Amortization of actuarial gain for supplemental executive retirement plan, net of related tax	1	1	1	1
Total other comprehensive income	1,106	3,776	1,571	2,906
Total comprehensive income	$ 4,211	$ 6,549	$ 7,839	$ 8,548