Net Income Per Share (Tables)

12 Months Ended

Dec. 31, 2016

Earnings Per Share [Abstract]

Computation Of Basic And Diluted Net Income Per Share

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

	Year Ended December 31,
	2014		2015		2016
Numerator for basic net income per share:
Net income	$	18,242	$	22,950	$	20,205
Denominator for basic net income per share:
Weighted-average common shares outstanding	35,145		35,784		36,404
Basic net income per share	$	0.52	$	0.64	$	0.56
Numerator for diluted net income per share:
Net income	$	18,242	$	22,950	$	20,205
Denominator for diluted net income per share:
Weighted-average common shares outstanding	35,145		35,784		36,404
Dilutive stock options and restricted stock units	1,185		811		781
Dilutive vested performance restricted stock units	—		—		25
Diluted weighted-average common shares outstanding	36,330		36,595		37,210
Diluted net income per share	$	0.50	$	0.63	$	0.54