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Consolidated Statements of Comprehensive Income (Parentheticals) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Unrealized holding gain (loss) on available for sale securities, tax | $ 3,502 | $ 1,486 | $ (595)
Reclassification adjustment for gain included in net income, tax | (23) | (119) | (4)
Transfer from held to maturity to available for sale securities, tax |  |  | 237
Net pension gain (losses) arising during the period, tax | (393) | (394) | (249)
Amortization of prior service cost included in net periodic pension cost, tax | (23) | (23) | (24)
Other comprehensive income (loss), tax | $ 3,063 | $ 950 | $ (635)

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