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Other Comprehensive Income (Loss) (Details) - Comprehensive Income (Loss) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
COMPREHENSIVE INCOME (Details) - Comprehensive Income (Loss) [Line Items]
Sale of securities available-for-sale Net gains on sale of securities available for sale	$ 689	$ 895
Sale of securities available-for-sale Income tax expense	(268)	(357)
Total reclassification	(441)	(221)
Amounts Reclassified from Accumulated Other Comprehensive Income/(Loss) [Member]
COMPREHENSIVE INCOME (Details) - Comprehensive Income (Loss) [Line Items]
Sale of securities available-for-sale Net gains on sale of securities available for sale	1,596
Sale of securities available-for-sale Income tax expense	(579)
Sale of securities available-for-sale	1,017
Amortization of pension plan net actuarial losses Salaries and employee benefits	(103)	(102)
Amortization of pension plan net actuarial losses Income tax benefit	42	41
Amortization of pension plan net actuarial losses	(61)	(61)
Total reclassification	$ 956	$ (61)

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

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-Name Accounting Standards Codification
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-SubTopic 10
-Section 50
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