Earnings Per Share (Tables)

12 Months Ended

Dec. 31, 2016

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 for the three years ending December 31.

(Dollars in thousands - except per share amounts)	2016		2015		2014
Distributed earnings allocated to common stock	$	18,707	$	17,582	$	17,091
Undistributed earnings allocated to common stock	38,670		39,336		40,249
Net earnings allocated to common stock	57,377		56,918		57,340
Net earnings allocated to participating securities	409		568		729
Net income allocated to common stock and participating securities	$	57,786	$	57,486	$	58,069
Weighted average shares outstanding for basic earnings per common share	25,879,397		26,173,351		26,434,769
Dilutive effect of stock compensation	—		—		—
Weighted average shares outstanding for diluted earnings per common share	25,879,397		26,173,351		26,434,769
Basic earnings per common share	$	2.22	$	2.17	$	2.17
Diluted earnings per common share	$	2.22	$	2.17	$	2.17