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Comprehensive Income (Details) - Comprehensive Income (Loss) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2018 | Jun. 30, 2017 | Jun. 30, 2018 | Jun. 30, 2017
COMPREHENSIVE INCOME (Details) - Comprehensive Income (Loss) [Line Items] |  |  |  |
Sale of securities available-for-sale Net gains on sale of securities available-for-sale | $ (1,780) | $ 224 | $ (6,799) | $ 913
Sale of securities available-for-sale Income tax expense | 445 | (88) | 1,737 | (356)
Total reclassification | (1,140) | 76 | (3,974) | (365)
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 | (91) | 103 | (182) | (206)
Amortization of pension plan net actuarial losses Income tax benefit | 25 | 42 | 50 | 84
Amortization of pension plan net actuarial losses | (66) | (61) | (132) | (122)
Total reclassification | $ (66) | $ (61) | $ (132) | $ 895

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