Stock-Based Compensation (Tables)

12 Months Ended

Dec. 31, 2016

Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]

Schedule of Stock Based Compensation Expense

Our stock based compensation expense is as follows for the years ended December 31, 2016, 2015, and 2014 (in thousands):

	Year Ended December 31,
	2016			2015		2014
Restricted stock units	$	4,006		$	2,408	$	—
Performance units		1,922			1,297		—
Restricted stock issued to directors		556			827		138
Incentive units		(268	)		103		118
Total expense	$	6,216		$	4,635	$	256

Summary of Restricted Stock Unit Awards Activity

A summary of restricted stock unit awards activity during the year ended December 31, 2016 is as follows:

	Number of shares			Weighted average grant date fair value		Aggregate intrinsic value (in thousands)
Total awarded and unvested, December 31, 2015		1,000,052		$	7.07	$	1,820
Granted		3,751,931			1.36
Vested		(340,879	)		7.13
Forfeited		(67,522	)		7.13
Total awarded and unvested, December 31, 2016		4,343,582		$	2.14	$	11,597

Summary of Performance Stock Unit Awards Activity

A summary of performance stock unit awards activity during the year ended December 31, 2016 is as follows:

	Number of shares		Weighted average grant date fair value		Aggregate intrinsic value (in thousands)
Total awarded and unvested, December 31, 2015		458,656	$	8.77	$	417
Granted		1,469,346		1.60
Vested		—		—
Forfeited		—		—
Total awarded and unvested, December 31, 2016		1,928,002	$	3.31	$	5,148