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Consolidated Balance Sheets (Parentheticals) - USD ($) $ / shares in Thousands, $ in Thousands | Dec. 31, 2022 | Dec. 31, 2021
--- | --- | ---
Available for sale debt securities, amortized cost | $ 1,297,977 | $ 1,190,379
Held to maturity debt securities, fair value | $ 431,833 | $ 0
Preferred stock, par value (in dollars per share) | $ 0 | $ 0
Preferred stock, shares authorized (in shares) | 1,000,000 | 1,000,000
Preferred stock, shares issued (in shares) | 0 | 0
Preferred stock, shares outstanding (in shares) | 0 |
Common stock, no par value (in dollars per share) | $ 0 | $ 0
Common stock, shares authorized (in shares) | 40,000,000 | 40,000,000
Common stock, shares issued (in shares) | 29,259,000 | 26,596,000
Common stock, shares outstanding (in shares) | 29,259,000 |

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