Stock-Based Compensation (Tables)

3 Months Ended

Mar. 31, 2017

Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]

Schedule of Stock Based Compensation Expense

Our stock-based compensation expense was as follows for the three months ended March 31, 2017 and 2016 (in thousands):

	Three Months Ended March 31,
	2017		2016
Restricted stock units	$	1,247	$	853
Performance units		734		380
Restricted stock issued to directors		100		211
Incentive units		—		29
Total expense	$	2,081	$	1,473

Summary of Restricted Stock Unit Awards Activity

A summary of restricted stock unit awards activity during the three months ended March 31, 2017 is as follows:

	Number of shares			Weighted average grant date fair value		Aggregate intrinsic value (in thousands)
Total awarded and unvested, December 31, 2016		4,343,582		$	2.14	$	11,597
Granted		2,817,341			2.15
Vested		(2,413,016	)		1.55
Forfeited		(9,342	)		2.15
Total awarded and unvested, March 31, 2017		4,738,565		$	2.44	$	12,036

Summary of Performance Stock Unit Awards Activity

A summary of performance stock unit awards activity during the three months ended March 31, 2017 is as follows

	Number of shares			Weighted average grant date fair value		Aggregate intrinsic value (in thousands)
Total awarded and unvested, December 31, 2016		1,928,002		$	3.31	$	5,148
Granted		2,564,523			1.94
Vested		—			—
Forfeited		(9,342	)		1.94
Total awarded and unvested, March 31, 2017		4,483,183		$	2.53	$	6,989