Equity-Based Compensation (Tables)

9 Months Ended

Sep. 30, 2017

Equity-Based Compensation

Summary of restricted stock and restricted stock unit award activity

		Weighted-Average Grant-Date Fair Value
	Number of Shares
		(per share)
Non-vested units as of January 1, 2017	2,338	$	4.02
Granted	780	$	4.71
Forfeited	(107)	$	3.57
Vested	(165)	$	12.12
Non-vested units as of September 30, 2017	2,846	$	3.76

Summary of performance based share unit awards activity

		Weighted-Average Grant-Date Fair Value
	Number of Shares
		(per share)
Non-vested units as of January 1, 2017	2,958	$	4.63
Granted	1,012	$	5.85
Forfeited	(121)	$	3.87
Canceled	(78)	$	25.63
Vested	(82)	$	25.63
Non-vested units as of September 30, 2017	3,689	$	4.08

Assumptions Estimate fair value

Risk-free interest rate		1.5	%
Expected volatility		76.3	%
Term		2.8 years
Fair value (per share)	$	5.85