Earnings Per Share (Tables)

12 Months Ended

Dec. 31, 2017

Earnings Per Share [Abstract]

Schedule of Earnings Per Share, Basic and Diluted

The following table sets forth the computation of basic and diluted earnings per share:

	Year ended December 31,
	2017		2016		2015
Numerators:
Net income	$	48,888	$	61,733	$	51,565
Denominators:
Basic weighted average common shares outstanding	33,897,916		33,566,367		33,298,104
Dilutive effect of stock based awards	1,212,294		996,952		880,236
Diluted weighted average common shares outstanding	35,110,210		34,563,319		34,178,340
Earnings per share:
Basic	$	1.44	$	1.84	$	1.55
Diluted	$	1.39	$	1.79	$	1.51
Weighted average common shares considered anti-dilutive and not included in computing diluted earnings per share	151,961		92,538		73,896