Earnings Per Share (Tables)

9 Months Ended

Sep. 30, 2018

Earnings Per Share [Abstract]

Schedule of earnings per share

The following table sets forth the reconciliation from basic to diluted average common shares and the calculations of net income per common share.  Net income for basic and diluted calculations do not differ.

	Three Months Ended September 30,				Nine Months Ended September 30,
(In thousands, except per share)	2018		2017		2018		2017
Net Income	$	23,543	$	16,592	$	56,897	$	41,075
Average Common Shares:
Basic (weighted-average outstanding shares)	11,689		11,586		11,649		11,535
Dilutive potential common shares from stock options	88		122		109		131
Diluted (weighted-average outstanding shares)	11,777		11,708		11,758		11,666
Basic earnings per share	$	2.01	$	1.43	$	4.88	$	3.56
Diluted earnings per share	$	2.00	$	1.42	$	4.84	$	3.52