Net Income Per Share (Tables)

3 Months Ended

Mar. 31, 2020

Earnings Per Share [Abstract]

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

The following table presents the calculation of net earnings per common share (“EPS”) — basic and diluted (in thousands, except per share data): 

	Three months ended March 31,
	2020		2019
Net income	$	16,834	$	30,998
Weighted-average number of common shares outstanding (for basic calculation)	20,780		20,527
Dilutive securities	727		1,024
Weighted-average common and common equivalent shares outstanding (for diluted calculation)	21,507		21,551
EPS — basic	$	0.81	$	1.51
EPS — diluted	$	0.78	$	1.44