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Comprehensive Income (Details) - Comprehensive Income (Loss) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2021 | Mar. 31, 2020
COMPREHENSIVE INCOME (Details) - Comprehensive Income (Loss) [Line Items] |  |
Sale of securities available-for-sale Net gains on sale of securities available-for-sale | $ (5,440) | $ 6,252
Sale of securities available-for-sale Income tax expense | 1,432 | (1,691)
Net interest income on swaps - Borrowings | (631) | (7)
Net interest income on swaps Income tax expense | 177 | (2)
Net interest income on swaps | 454 | (5)
Total reclassification | (3,486) | 2,611
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 |  | 29
Sale of securities available-for-sale Income tax expense |  | (6)
Sale of securities available-for-sale |  | 23
Net interest income on swaps - Borrowings | (631) | 7
Net interest income on swaps Income tax expense | 177 | (2)
Net interest income on swaps | (454) | 5
Amortization of pension plan net actuarial losses - other components of net periodic pension expense | (75) | (75)
Amortization of pension plan net actuarial losses Income tax benefit | 20 | 21
Amortization of pension plan net actuarial losses | (55) | (54)
Total reclassification | $ (509) | $ (26)

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