Stock-Based Compensation (Tables)

12 Months Ended

Dec. 31, 2016

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Schedule of Pre-tax Stock-based Compensation

The following table summarizes the pre-tax stock-based compensation expense included in reported net income (in thousands):

	Years ended December 31,
	2016		2015		2014
Cost of revenue	$	2,545	$	2,366	$	1,609
Selling, general and administrative expenses	684		684		519
Total stock-based compensation expense	$	3,229	$	3,050	$	2,128

Schedule of Non-qualified Stock Option Activity

Summarized information for our non-qualified stock options is as follows:

Stock Options	Number of options		Weighted average exercise price		Weighted average remaining contractual term	Aggregate intrinsic value
Outstanding at December 31, 2015	110,550		$	14.54
Granted	—		—
Exercised	(41,900	)	13.16
Forfeited	(500	)	15.65
Expired	(600	)	19.38
Outstanding at December 31, 2016	67,550		$	15.34	0.54	$	896,000
Exercisable at December 31, 2016	64,150		$	15.30	0.50	$	853,000

Schedule of Restricted Stock Units Activity

Summarized share information for our restricted stock units is as follows:

	Year ended December 31, 2016		Weighted average grant date fair value
	(In shares)		(In dollars)
Outstanding and unvested, beginning of period	221,664		$	28.74
Granted	66,019		26.89
Vested	(76,010	)	24.32
Forfeited	(4,657	)	25.19
Outstanding and unvested, end of period	207,016		$	29.85

Schedule of Performance Restricted Stock Unit Activity

Summarized share information for our performance-based restricted stock units is as follows:

	Year ended December 31, 2016	Weighted average grant date fair value
	(In shares)	(In dollars)
Outstanding and unvested, beginning of period	52,476	$	36.71
Granted	71,918	26.97
Vested	—	—
Forfeited	—	—
Outstanding and unvested, end of period	124,394	$	31.08