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Comprehensive Income (Details) - Comprehensive Income (Loss) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2018 | Sep. 30, 2017 | Sep. 30, 2018 | Sep. 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 | $ (2,840) | $ 415 | $ (9,639) | $ 1,332
Sale of securities available-for-sale Income tax expense | 729 | (165) | 2,466 | (525)
Total reclassification | (2,037) | 382 | (6,011) | 17
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) | 274 | (309)
Amortization of pension plan net actuarial losses Income tax benefit | (26) | 42 | (77) | 126
Amortization of pension plan net actuarial losses | 65 | (61) | 197 | (183)
Total reclassification | $ 65 | $ (61) | $ 197 | $ 834

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