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Earnings per Share (Details) - USD ($)
$ / shares in Units, $ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2023
Sep. 30, 2022
Sep. 30, 2023
Sep. 30, 2022
Numerator [Abstract]        
Net income $ 7,853 $ 8,041 $ 27,206 $ 21,249
Denominator [Abstract]        
Weighted-average shares outstanding for basic earnings per share (in shares) 9,158,027 9,100,789 9,152,788 9,095,724
Dilutive effect of stock compensation (in shares) [1] 115,568 108,965 109,215 99,204
Denominator for diluted earnings per share (in shares) 9,273,595 9,209,754 9,262,003 9,194,928
Earnings per common share [Abstract]        
Basic (in dollars per share) $ 0.86 $ 0.88 $ 2.97 $ 2.34
Diluted (in dollars per share) $ 0.85 $ 0.87 $ 2.94 $ 2.31
Nonqualified Stock Options [Member]        
Antidilutive securities [Abstract]        
Antidilutive shares excluded from the calculation of earnings per share (in shares) 5,000 3,000 5,000 3,000
Restricted Stock Units [Member]        
Antidilutive securities [Abstract]        
Antidilutive shares excluded from the calculation of earnings per share (in shares) 113,000 0 156,186 0
[1] The following have not been included in diluted earnings per share because to do so would have been antidilutive for the periods presented: Nonqualified stock options outstanding of 5,000 and 3,000 for the three month periods ended September 30, 2023 and 2022, respectively, and 5,000 and 3,000 for the nine month periods ended September 30, 2023 and 2022, respectively; Restricted stock units of 113,000 and 0 for the three month periods ended September 30, 2023 and 2022, respectively, and 156,186 and 0 for the nine month periods ended September 30, 2023 and 2022, respectively.