v3.7.0.1

Other Comprehensive Income/Loss - Components of Other Comprehensive Income/Loss (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Other Comprehensive Income (Loss), Before Reclassifications [Abstract]
Before Tax Amount				$ (86)
Income Tax Expense				35
After Tax Amount				(51)
Other Comprehensive Income (Loss), After Reclassification Adjustments [Abstract]
Before Tax Amount	$ 1,633	$ 1,428	$ 1,580	8,830
Income Tax Expense	(660)	(577)	(639)	(3,569)
Total other comprehensive income, net of tax	973	851	941	5,261
Net unrealized gain (loss) on securities available-for-sale
Other Comprehensive Income (Loss), Before Reclassifications [Abstract]
Before Tax Amount	1,104	852	380	7,626
Income Tax Expense	(446)	(345)	(154)	(3,083)
After Tax Amount	658	507	226	4,543
Other Comprehensive Income (Loss), After Reclassification Adjustments [Abstract]
Before Tax Amount				7,540
Income Tax Expense				(3,048)
Total other comprehensive income, net of tax	658	507	226	4,492
Reclassification adjustment for net actuarial loss on pension plans and other postretirement benefits included in net income
Other Comprehensive Income (Loss), Reclassifications Adjustments [Abstract]
Before Tax Amount	482	528	1,105	1,195
Income Tax Expense	(195)	(213)	(447)	(483)
After Tax Amount	287	315	658	712
Other Comprehensive Income (Loss), After Reclassification Adjustments [Abstract]
Total other comprehensive income, net of tax	287	315	658	712
Reclassification adjustment for prior service cost on pension plans and other postretirement benefits included in net income
Other Comprehensive Income (Loss), Reclassifications Adjustments [Abstract]
Before Tax Amount	47	48	95	95
Income Tax Expense	(19)	(19)	(38)	(38)
After Tax Amount	28	29	57	57
Other Comprehensive Income (Loss), After Reclassification Adjustments [Abstract]
Total other comprehensive income, net of tax	$ 28	$ 29	$ 57	$ 57

Other Comprehensive Income (Loss), Before Reclassifications [Abstract]

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Other Comprehensive Income (Loss), Reclassifications Adjustments [Abstract]

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Amount before tax and reclassification adjustments of other comprehensive income (loss).

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Amount after tax, before reclassification adjustments of other comprehensive income (loss).

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-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 10
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Amount of tax expense (benefit) allocated to other comprehensive income (loss) before reclassification adjustment from accumulated other comprehensive income (loss).

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Amount before tax, after reclassification adjustments of other comprehensive income (loss).

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Amount after tax and reclassification adjustments of other comprehensive income (loss).

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