Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
		Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME
Net income		$ 3,144	$ 3,477	$ 10,311	$ 10,223
Changes in defined benefit plan assets and benefit obligations
Changes in net gain (loss) arising during the period	[1]	38	(29)	114	(87)
Tax effect		(14)	11	(40)	33
Amortization of prior service costs	[1]	(15)	14	(45)	42
Tax effect		6	(5)	16	(15)
Net of tax amount		15	(9)	45	(27)
Unrealized gains (losses) on cash flow hedging instruments
Unrealized holding gains (losses) arising during the period		244	(449)	(428)	(431)
Tax effect		(96)	158	145	151
Net of tax amount		148	(291)	(283)	(280)
Unrealized holding gains (losses) on securities
Unrealized holding (losses) gains arising during the period		(1,208)	1,446	1,231	(825)
Tax effect		423	(506)	(431)	289
Reclassification adjustment for gains included in net income	[2]	(3)	(22)	(48)	(25)
Tax effect		1	8	17	9
Net of tax amount		(787)	926	769	(552)
Other comprehensive (loss) income		(624)	626	531	(859)
Comprehensive income		$ 2,520	$ 4,103	$ 10,842	$ 9,364

[1] These items are included in the computation of net periodic benefit cost. See Note 6, 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.