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Consolidated Statements of Comprehensive Income (Parentheticals) - USD ($) $ in Thousands	12 Months Ended
	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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Amount of tax expense (benefit) for (increase) decrease in value of benefit obligation for change in actuarial assumptions and increase (decrease) in value of plan assets from experience different from that assumed of defined benefit plan, that has not been recognized in net periodic benefit (cost) credit.

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