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CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) $ in Thousands | Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
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Statement of Financial Position [Abstract] |  |  |  |
Allowance for credit losses | $ 2,082 | $ 2,026 | $ 0 | $ 0
Securities - held to maturity | 5,447 | 5,850 |  |
Allowance for credit losses | $ 42,213 | $ 95,739 |  |
Common stock, shares outstanding (in shares) | 25,158,879 | 24,868,218 |  |

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