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Stock Based Compensation (Summary of Stock Option Activity) (Details) - USD ($)
$ / shares in Units, $ in Thousands
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Stock Based Compensation [Abstract]    
Options, beginning of year 226,075 215,970
Options, Granted 38,000 43,500
Options, Exercised (34,425) (22,420)
Options, Forfeited (10,675) (10,975)
Options, end of year 218,975 226,075
Options, Exercisable, end of period 180,975 182,575
Weighted Average Exercise Price Per Share, Outstanding, beginning of period $ 26.37 $ 25.73
Weighted Average Exercise Price Per Share, Granted 33.53 25.80
Weighted Average Exercise Price Per Share, Exercised 19.08 17.59
Weighted Average Exercise Price Per Share, Forfeited 27.56 29.48
Weighted Average Exercise Price Per Share, Outstanding, end of period 26.70 26.37
Weighted Average Exercise Price Per Share, Exercisable, end of period $ 27.68 $ 26.50
Weighted Average Remaining Contractual Term, Outstanding 6 years 9 months 18 days  
Aggregate Intrinsic Value, Outstanding, beginning of period $ 520  
Aggregate Intrinsic Value, Outstanding, end of period 1,100 $ 520
Aggregate Intrinsic Value, Exercisable at end of period $ 1,100 $ 511