Consolidated Statements Of Comprehensive Income (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Consolidated Statements Of Comprehensive Income [Abstract]
Net income	$ 4,005	$ 4,181	$ 11,354	$ 10,911
Other comprehensive (loss) income, net of tax:
Change in net unrealized (loss) gain on securities available for sale, net of taxes of $564, $674, $682, and $1,543	1,047	1,251	1,266	2,865
Reclassification adjustments for net securities gain included in net income, net of taxes of $9, $(322), $(148) and $(367)	17	(598)	(274)	(681)
Change in net unrealized loss on interest rate swaps, net of taxes of $19, $(113), $63 and $(110)	35	(209)	117	(204)
Pension liability adjustment, net of taxes of $29, $25, $86 and $74	53	46	159	137
Other comprehensive (loss) income	1,152	490	1,268	2,117
Comprehensive income	$ 5,157	$ 4,671	$ 12,622	$ 13,028