Earnings Per Share (Tables)

9 Months Ended

Sep. 30, 2017

Earnings Per Share [Abstract]

Schedule of Dilutive Effect of Stock Options RSUs and PSAs

The dilutive effect of stock options, RSUs, and PSAs for each period reported is summarized below:

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
	2017		2016		2017		2016
Net Income	$	13,692	$	13,437	$	35,806	$	33,911
Weighted-average number of basic shares outstanding    during the period		18,666		18,965		18,807		18,989
Dilutive effect of stock options, RSUs, and performance    shares		358		364		411		356
Weighted-average number of diluted shares outstanding    during the period		19,024		19,329		19,218		19,345
Basic earnings per share	$	0.73	$	0.71	$	1.90	$	1.79
Diluted earnings per share	$	0.72	$	0.70	$	1.86	$	1.75