Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Net Income	$ 15,833	$ 16,914	$ 17,790
Other Comprehensive Income (Loss), Net of Tax
Unrealized holding gains (losses) on available for sale securities net of tax of ($571) in 2015, $6,693 in 2014, and ($8,665) in 2013	(1,064)	12,430	(16,091)
Reclassification adjustment for (gains) losses included in net income, net of tax of ($12) in 2015, ($1) in 2014, and $19 in 2013	(21)	(1)	33
Net pension gain (losses) arising during the period, net of tax of ($597) in 2015, ($574) in 2014 and $1,022 in 2013	(1,108)	(1,066)	1,898
Less amortization of prior service cost included in net periodic pension cost, net of tax of ($38) in 2015, ($39) in 2014, and ($35) in 2013	(72)	(71)	(66)
Other comprehensive income (loss), net of tax of ($1,218) in 2015, $6,079 in 2014, and ($7,659) in 2013	(2,265)	11,292	(14,226)
Total Comprehensive Income	$ 13,568	$ 28,206	$ 3,564