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Consolidated Statements of Changes in Stockholders' Equity (Parentheticals) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2021 | Dec. 31, 2020
Other comprehensive income (loss), tax | $ (1,881) | $ 3,063
Cash dividend, per share (in dollars per share) | $ 1.44 | $ 1.39
Stock repurchase, shares (in shares) | 368,083 | 57,554

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