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CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY - USD ($) $ in Thousands | Common Stock [Member] Cumulative Effect, Period of Adoption, Adjusted Balance [Member] | Common Stock [Member] | Additional Paid-in Capital [Member] Cumulative Effect, Period of Adoption, Adjusted Balance [Member] | Additional Paid-in Capital [Member] | Retained Earnings [Member] Cumulative Effect, Period of Adoption, Adjusted Balance [Member] | Retained Earnings [Member] Cumulative Effect, Period of Adoption, Adjustment [Member] | Retained Earnings [Member] | AOCI Attributable to Parent [Member] Cumulative Effect, Period of Adoption, Adjusted Balance [Member] | AOCI Attributable to Parent [Member] | Cumulative Effect, Period of Adoption, Adjusted Balance [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member] | Total
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
BALANCE at Dec. 31, 2021 |  | $ 16,803 |  | $ 292,937 |  |  | $ 118,247 |  | $ 1,443 |  |  | $ 429,430
BALANCE (in shares) at Dec. 31, 2021 |  | 16,802,990 |  |  |  |  |  |  |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |  |  |  |  |
Net income |  |  |  |  |  |  | 30,018 |  |  |  |  | 30,018
Other comprehensive income (loss) |  |  |  |  |  |  |  |  | (42,250) |  |  | (42,250)
Stock options exercised |  | $ 32 |  | 238 |  |  |  |  |  |  |  | $ 270
Stock options exercised (in shares) |  | 32,003 |  |  |  |  |  |  |  |  |  | 32,003
Restricted stock |  | $ 61 |  | (61) |  |  |  |  |  |  |  |
Restricted stock (in shares) |  | 60,515 |  |  |  |  |  |  |  |  |  |
Restricted stock withheld for taxes |  | $ (8) |  | (198) |  |  |  |  |  |  |  | $ (206)
Restricted stock withheld for taxes (in shares) |  | (7,953) |  |  |  |  |  |  |  |  |  |
Stock compensation expense |  |  |  | 991 |  |  |  |  |  |  |  | 991
Common stock dividends |  |  |  |  |  |  | (3,542) |  |  |  |  | (3,542)
BALANCE at Sep. 30, 2022 |  | $ 16,888 |  | 293,907 |  |  | 144,723 |  | (40,807) |  |  | 414,711
BALANCE (in shares) at Sep. 30, 2022 |  | 16,887,555 |  |  |  |  |  |  |  |  |  |
BALANCE at Jun. 30, 2022 |  | $ 16,898 |  | 293,815 |  |  | 134,362 |  | (24,648) |  |  | 420,427
BALANCE (in shares) at Jun. 30, 2022 |  | 16,898,405 |  |  |  |  |  |  |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |  |  |  |  |
Net income |  |  |  |  |  |  | 11,543 |  |  |  |  | 11,543
Other comprehensive income (loss) |  |  |  |  |  |  |  |  | (16,159) |  |  | (16,159)
Stock options exercised |  | $ 1 |  | 6 |  |  |  |  |  |  |  | $ 7
Stock options exercised (in shares) |  | 603 |  |  |  |  |  |  |  |  |  | 603
Restricted stock withheld for taxes |  | $ (8) |  | (198) |  |  |  |  |  |  |  | $ (206)
Restricted stock withheld for taxes (in shares) |  | (7,953) |  |  |  |  |  |  |  |  |  |
Restricted stock, forfeitures |  | $ (3) |  | 3 |  |  |  |  |  |  |  |
Restricted stock, forfeitures (in shares) |  | (3,500) |  |  |  |  |  |  |  |  |  |
Stock compensation expense |  |  |  | 281 |  |  |  |  |  |  |  | 281
Common stock dividends |  |  |  |  |  |  | (1,182) |  |  |  |  | (1,182)
BALANCE at Sep. 30, 2022 |  | $ 16,888 |  | 293,907 |  |  | 144,723 |  | (40,807) |  |  | 414,711
BALANCE (in shares) at Sep. 30, 2022 |  | 16,887,555 |  |  |  |  |  |  |  |  |  |
BALANCE (Accounting Standards Update 2016-13 [Member]) at Dec. 31, 2022 |  |  |  |  |  | $ (6,606) |  |  |  |  | $ (6,606) |
BALANCE at Dec. 31, 2022 | $ 16,901 | $ 16,901 | $ 294,330 | 294,330 | $ 149,939 |  | 156,545 | $ (35,324) | (35,324) | $ 425,846 |  | 432,452
BALANCE (in shares) at Dec. 31, 2022 | 16,900,805 | 16,900,805 |  |  |  |  |  |  |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |  |  |  |  |
Net income |  |  |  |  |  |  | 22,403 |  |  |  |  | 22,403
Other comprehensive income (loss) |  |  |  |  |  |  |  |  | 1,168 |  |  | 1,168
Stock options exercised |  | $ 16 |  | 149 |  |  |  |  |  |  |  | $ 165
Stock options exercised (in shares) |  | 15,705 |  |  |  |  |  |  |  |  |  | 15,705
Restricted stock |  | $ 80 |  | (80) |  |  |  |  |  |  |  |
Restricted stock (in shares) |  | 79,670 |  |  |  |  |  |  |  |  |  |
Restricted stock withheld for taxes |  | $ (2) |  | (33) |  |  |  |  |  |  |  | $ (35)
Restricted stock withheld for taxes (in shares) |  | (1,637) |  |  |  |  |  |  |  |  |  |
Stock compensation expense |  |  |  | 1,176 |  |  |  |  |  |  |  | 1,176
Common stock dividends |  |  |  |  |  |  | (4,071) |  |  |  |  | (4,071)
BALANCE at Sep. 30, 2023 |  | $ 16,995 |  | 295,542 |  |  | 168,271 |  | (34,156) |  |  | 446,652
BALANCE (in shares) at Sep. 30, 2023 |  | 16,994,543 |  |  |  |  |  |  |  |  |  |
BALANCE at Jun. 30, 2023 |  | $ 17,004 |  | 295,296 |  |  | 167,564 |  | (35,017) |  |  | 444,847
BALANCE (in shares) at Jun. 30, 2023 |  | 17,004,092 |  |  |  |  |  |  |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |  |  |  |  |
Net income |  |  |  |  |  |  | 2,067 |  |  |  |  | 2,067
Other comprehensive income (loss) |  |  |  |  |  |  |  |  | 861 |  |  | $ 861
Stock options exercised (in shares) |  |  |  |  |  |  |  |  |  |  |  | 0
Restricted stock withheld for taxes |  | $ (2) |  | (33) |  |  |  |  |  |  |  | $ (35)
Restricted stock withheld for taxes (in shares) |  | (1,637) |  |  |  |  |  |  |  |  |  |
Restricted stock, forfeitures |  | $ (7) |  | 7 |  |  |  |  |  |  |  |
Restricted stock, forfeitures (in shares) |  | (7,912) |  |  |  |  |  |  |  |  |  |
Stock compensation expense |  |  |  | 272 |  |  |  |  |  |  |  | 272
Common stock dividends |  |  |  |  |  |  | (1,360) |  |  |  |  | (1,360)
BALANCE at Sep. 30, 2023 |  | $ 16,995 |  | $ 295,542 |  |  | $ 168,271 |  | $ (34,156) |  |  | $ 446,652
BALANCE (in shares) at Sep. 30, 2023 |  | 16,994,543 |  |  |  |  |  |  |  |  |  |

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