Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME
Net income		$ 13,459	$ 12,530	$ 12,344
Changes in defined benefit plan assets and benefit obligations
Changes in net loss arising during the period	[1]	(129)	(728)	(2,048)
Tax effect		45	255	717
Amortization of prior service cost arising during the period	[1]	(60)	(61)	(68)
Tax effect		21	21	24
Net of tax amount		(123)	(513)	(1,375)
Unrealized gains (losses) on cash flow hedging instruments
Unrealized holding gains (losses) arising during the period		119	(72)	227
Tax effect		(46)	28	(89)
Net of tax amount		73	(44)	138
Unrealized holding (losses) gains on securities
Unrealized holding (losses) gains arising during the period		(3,186)	(2,061)	7,088
Tax effect		1,115	722	(2,480)
Reclassification adjustment for gains included in net income	[2]	(52)	(29)	(29)
Tax effect		18	10	10
Net of tax amount		(2,105)	(1,358)	4,589
Other comprehensive (loss) income		(2,155)	(1,915)	3,352
Comprehensive income		$ 11,304	$ 10,615	$ 15,696

[1] These items are included in the computation of net periodic benefit cost, which is a component of “Salaries and employee benefits” on the consolidated statements of income. See Note 12, Employee Benefit Plans, for additional information.

[2] Gains are included in “Net gains on calls and sales of available for sale securities" on the consolidated statements of income