Net income Per Share (Tables)

6 Months Ended

Jun. 30, 2019

Earnings Per Share [Abstract]

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

The following table reconciles basic net income per the Company's common stock to diluted net income per share for the three and six months ended June 30, 2019 and 2018, respectively:

	Three Months Ended   June 30,				Six Months Ended   June 30,
(in thousands, except per share amounts)	2019		2018		2019		2018
Net income available to common stockholders	$	39,577	$	44,086	$	62,239	$	69,515
Basic weighted-average shares outstanding	44,671		46,323		44,772		46,468
Dilutive effect of potential common stock equivalents — restricted stock units	301		354		317		374
Diluted weighted-average shares outstanding	44,972		46,677		45,089		46,842
Net income per common share:
Basic	$	0.89	$	0.95	$	1.39	$	1.50
Diluted	$	0.88	$	0.94	$	1.38	$	1.48