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Earnings Per Share (Tables)
 9 Months Ended
Sep. 30, 2022
Earnings Per Share [Abstract]  
Schedule of reconciliation of the number of shares used in the calculation of basic and diluted earnings per common share The following table presents a reconciliation of the number of shares used in the calculation of basic and diluted earnings per common share.
Three Months Ended
September 30,		Nine Months Ended
September 30,
(Dollars in thousands - except per share amounts)2022202120222021
Distributed earnings allocated to common stock$7,890 $7,749 $23,230 $22,681 
Undistributed earnings allocated to common stock24,571 24,472 65,489 67,422 
Net earnings allocated to common stock32,461 32,221 88,719 90,103 
Net earnings allocated to participating securities276 262 722 708 
Net income allocated to common stock and participating securities$32,737 $32,483 $89,441 $90,811 
Weighted average shares outstanding for basic earnings per common share24,656,736 24,919,956 24,697,106 25,126,703 
Dilutive effect of stock compensation— — — — 
Weighted average shares outstanding for diluted earnings per common share24,656,736 24,919,956 24,697,106 25,126,703 
Basic earnings per common share$1.32 $1.29 $3.59 $3.59 
Diluted earnings per common share$1.32 $1.29 $3.59 $3.59