Note 15 - Net Income Per Share and Common Stock Dividends (Tables)

12 Months Ended

Dec. 31, 2018

Notes Tables

Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]

(In thousands, except per share data)	2018		2017		2016
Net income, basic and diluted	$	55,517	$	38,043	$	41,027
Average shares outstanding, basic		22,619		22,532		22,356
Effect of dilutive shares		325		451		436
Average shares outstanding including dilutive shares		22,944		22,983		22,792
Net income per share, basic	$	2.45	$	1.69	$	1.84
Net income per share, diluted	$	2.42	$	1.66	$	1.80