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CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY (Parentheticals) - $ / shares | 3 Months Ended
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Sep. 30, 2021 | Jun. 30, 2021 | Mar. 31, 2021 | Sep. 30, 2020 | Jun. 30, 2020 | Mar. 31, 2020
Cash dividends declared per common share | $ 0.06 |  |  | $ 0.06 |  |
Repurchase and cancellation of common stock as a result of share repurchase program (in shares) | 193,153 | 100,000 |  |  |  | 100,932
Common Stock [Member] |  |  |  |  |  |
Cash dividends declared per common share | $ 0.06 | $ 0.06 | $ 0.06 | $ 0.06 | $ 0.06 | $ 0.06

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