Consolidated Statements Of Comprehensive Income (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Consolidated Statements Of Comprehensive Income [Abstract]
Net income	$ 15,131	$ 15,194	$ 14,620
Other comprehensive (loss) income, net of tax:
Change in net unrealized (loss) gain on securities available for sale, net of taxes of $(3,398), $(181), and $1,395	(6,311)	(336)	2,590
Unrealized holding losses arising during the period for securities transferred from available for sale to held to maturity, net of taxes of $(1,902), $0 and $0	(3,533)	0	0
Amortization of unrealized holding losses of securities transferred from available for sale to held to maturity, net of taxes of $128, $0 and $0	237	0	0
Reclassification adjustments for net securities losses (gains) included in net income, net of taxes of $64, $(177) and $(348)	116	(329)	(646)
Change in net unrealized loss on interest rate swaps, net of taxes of $116, $122 and $(66)	216	226	(123)
Pension liability adjustment, net of taxes of $722, $(241) and $(213)	1,340	(448)	(396)
Other comprehensive (loss) income	(7,935)	(887)	1,425
Comprehensive (loss) income	$ 7,196	$ 14,307	$ 16,045