Note 15 - Net Income Per Share (Tables)

3 Months Ended

Mar. 31, 2021

Notes Tables

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

	Three months ended
	March 31,
(in thousands, except per share data)	2021		2020
Net income	$	22,710	$	13,232
Weighted average shares outstanding - basic		22,622		22,516
Dilutive securities		243		220
Weighted average shares outstanding- diluted		22,865		22,736
Net income per share - basic	$	1.00	$	0.59
Net income per share - diluted		0.99		0.58

Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block]

	Three months ended
(shares in thousands)	March 31,
	2021		2020
Antidilutive SARs		29		247