Earnings Per Common Share (Tables)

12 Months Ended

Dec. 31, 2016

Earnings Per Share [Abstract]

Calculations of Basic and Diluted Earnings per Common Share

The calculations of basic and diluted earnings per common share for the years ended December 31 were as follows:  

(Dollars in thousands, except per common share data)	2016		2015		2014
Distributed earnings allocated to common shareholders	$	11,532	$	10,426	$	7,095
Undistributed earnings allocated to common shareholders	19,483		404		9,472
Net earnings allocated to common shareholders	$	31,015	$	10,830	$	16,567
Weighted-average common shares outstanding	18,013,693		17,555,140		12,183,352
Effect of potentially dilutive common shares	141,770		132,655		122,872
Total weighted-average diluted common shares outstanding	18,155,463		17,687,795		12,306,224
Earnings per common share:
Basic	$	1.72	$	0.62	$	1.36
Diluted	$	1.71	$	0.61	$	1.35
Anti-dilutive common shares excluded from calculation:
Stock options and stock appreciation rights	20,769		46,109		55,184