Net Income Per Share (Tables)

9 Months Ended

Sep. 30, 2019

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 September 30,				Nine months ended September 30,
	2019		2018		2019		2018
Net income	$	26,563	$	219	$	80,394	$	36,148
Weighted-average number of common shares outstanding (for basic calculation)	20,666		20,474		20,607		20,362
Dilutive securities	821		1,159		949		1,226
Weighted-average common and common equivalent shares outstanding (for diluted calculation)	21,487		21,633		21,556		21,588
EPS — basic	$	1.29	$	0.01	$	3.90	$	1.78
EPS — diluted	$	1.24	$	0.01	$	3.73	$	1.67