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Earnings Per Common Share (Tables)
3 Months Ended
Mar. 31, 2019
Earnings Per Common Share [Abstract]  
Schedule of earnings per share calculation
   
Three months ended
March 31,
(dollars in thousands, except share data)20192018
Numerator:          
Net income available to common shareholders$     6,0095,214
Denominator:
Weighted-average common shares outstanding – basic7,459,3427,336,839
Common stock equivalents282,518390,046
Weighted-average common shares outstanding – diluted7,741,8607,726,885
Earnings per common share:
Basic$0.810.71
Diluted$0.780.67