Consolidated Statements of Comprehensive Income (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Net Income	$ 16,914	$ 17,790	$ 17,747
Other Comprehensive Income (Loss), Net of Tax
Unrealized holding gains (losses) on available for sale securities net of taxes of $6,693 in 2014, ($8,665) in 2013 and ($323) in 2012	12,430	(16,091)	(569)
Reclassification adjustment for (gains) losses included in net income, net of taxes of ($1) in 2014, $19 in 2013 and ($16) in 2012	(1)	33	(30)
Net pension gain (losses) arising during the period, net of taxes of ($574) in 2014, $1,022 in 2013, and ($405) in 2012	(1,066)	1,898	(752)
Less amortization of prior service cost included in net periodic pension cost, net of taxes of ($39) in 2014, ($35) in 2013, and ($35) in 2012	(71)	(66)	(66)
Other comprehensive income (loss), net of taxes of $6,079 in 2014, ($7,659) in 2013 and ($779) in 2012	11,292	(14,226)	(1,417)
Total Comprehensive Income	$ 28,206	$ 3,564	$ 16,330