Earnings Per Share (Tables)

6 Months Ended

Jun. 30, 2018

Earnings Per Share [Abstract]

Schedule of earnings per share

Net income for basic and diluted calculations do not differ.

	Three Months Ended June 30,				Six Months Ended June 30,
(In thousands, except per share)	2018		2017		2018		2017
Net Income	$	18,771	$	12,316	$	33,354	$	24,483
Average Common Shares:
Basic (weighted-average outstanding shares)	11,652		11,547		11,629		11,509
Dilutive potential common shares from stock options	107		124		120		137
Diluted (weighted-average outstanding shares)	11,759		11,671		11,749		11,646
Basic earnings per share	$	1.61	$	1.07	$	2.87	$	2.13
Diluted earnings per share	$	1.60	$	1.05	$	2.84	$	2.10