Share-Based Compensation (Tables)

3 Months Ended

Mar. 31, 2017

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

Summary of Restricted Stock Units Activity

The following table summarizes the number of outstanding RSUs and activity as of and during the three months endedMarch 31, 2017:

	Number of Shares		Weighted Average Grant Date Fair Value
Non-vested at December 31, 2016	708,695
Granted	473,949		$	51.55
Vested	(62,795	)
Forfeited	(8,451	)
Non-vested at March 31, 2017	1,111,398

Summary of Share-Based Compensation Expense Recognized in Statements of Operations

The amount of share-based compensation expense recognized in the unaudited condensed consolidated statements of operations was as follows (in thousands):

	Three Months Ended March 31,
Income Statement Classification	2017		2016
Direct costs	$	2,713	$	1,259
Selling, general, and administrative expenses	3,106		1,557
Total share-based compensation expense	$	5,819	$	2,816