Stock-based Compensation (Tables)

3 Months Ended

Mar. 31, 2018

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

Schedule of Stock Option Activity

The following table presents a summary of activity for stock options, service-based restricted stock awards and performance-based stock unit awards for the three months ended March 31, 2018.

	Stock Options			Service-based Restricted Stock			Performance-based Stock Units
Outstanding – December 31, 2017	693,277			1,088,519			159,553
Granted	—			367,668			46,378
Vested/Exercised	—			(471,695		)	—
Forfeited	(514		)	(15,892		)	—
Outstanding – March 31, 2018	692,763			968,600			205,931
Weighted average grant date fair value (2018 awards)	$	—		$	28.75		$	28.75