Earnings Per Share (Tables)

12 Months Ended

Dec. 31, 2018

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)	2018		2017		2016
Distributed earnings allocated to common stock	$	24,894	$	19,701	$	18,707
Undistributed earnings allocated to common stock	56,975		47,830		38,670
Net earnings allocated to common stock	81,869		67,531		57,377
Net earnings allocated to participating securities	545		520		409
Net income allocated to common stock and participating securities	$	82,414	$	68,051	$	57,786
Weighted average shares outstanding for basic earnings per common share	25,937,599		25,925,820		25,879,397
Dilutive effect of stock compensation	—		—		—
Weighted average shares outstanding for diluted earnings per common share	25,937,599		25,925,820		25,879,397
Basic earnings per common share	$	3.16	$	2.60	$	2.22
Diluted earnings per common share	$	3.16	$	2.60	$	2.22