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CONSOLIDATED BALANCE SHEETS (unaudited) (Parentheticals) - $ / shares | Mar. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Shareholders' Equity |  |
Common stock, shares authorized (in shares) | 50,000,000 | 50,000,000
Common stock, par value (in dollars per share) | $ 5 | $ 5
Common stock, shares outstanding (in shares) | 41,684,526 | 41,631,113

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