Consolidated Statements Of Comprehensive Income (USD $) In Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011	Sep. 30, 2010
Consolidated Statements Of Comprehensive Income [Abstract]
Net income	$ 4,181	$ 4,502	$ 10,911	$ 12,917
Other comprehensive income, net of tax:
Change in net unrealized gain (loss) on securities available for sale, net of taxes of $674, $(463), $1,543 and $956	1,251	(860)	2,865	1,775
Reclassification adjustments for net securities gains included in net income, net of taxes of $(322), $(240), $(366) and $(664)	(598)	(445)	(681)	(1,233)
Change in net unrealized loss on interest rate swaps, net of taxes of $(113), $(125), $(110) and $(387)	(209)	(232)	(204)	(719)
Pension liability adjustment, net of taxes of $24, $21, $73 and $63	46	39	137	118
Other comprehensive income (loss)	490	(1,498)	2,117	(59)
Comprehensive income	$ 4,671	$ 3,004	$ 13,028	$ 12,858