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Comprehensive Income (Details) - Comprehensive Income (Loss) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2019 | Jun. 30, 2018 | Jun. 30, 2019 | Jun. 30, 2018
COMPREHENSIVE INCOME (Details) - Comprehensive Income (Loss) [Line Items] |  |  |  |
Sale of securities available-for-sale Net gains on sale of securities available-for-sale | $ 4,027 | $ (1,780) | $ 9,585 | $ (6,799)
Sale of securities available-for-sale Income tax expense | (1,055) | 445 | (2,477) | 1,737
Total reclassification | 2,399 | (1,140) | 5,908 | (3,974)
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 | (9) |  | (1) |
Sale of securities available-for-sale Income tax expense | 2 |  |  |
Sale of securities available-for-sale | (7) |  | (1) |
Amortization of pension plan net actuarial losses Salaries and employee benefits | (90) | (92) | (179) | (183)
Amortization of pension plan net actuarial losses Income tax benefit | 25 | 26 | 50 | 51
Amortization of pension plan net actuarial losses | (65) | (66) | (129) | (132)
Total reclassification | $ (72) | $ (66) | $ (130) | $ (132)

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