Stock-Based Compensation (Tables)

6 Months Ended

Jun. 30, 2016

Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]

Summary of Restricted Stock Unit Awards Activity

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Summary of Performance Stock Unit Awards Activity

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Schedule of Stock Based Compensation Expense

Our stock-based compensation expense is as follows for the three and six months ended June 30, 2016 and 2015 (in thousands):

	For the Three Months Ended June 30,				For the Six Months Ended June 30,
	2016		2015		2016		2015
Restricted stock units	$	1,388	$	748	$	2,243	$	1,171
Performance units		677		376		1,057		528
Restricted stock issued to directors		142		255		353		400
Incentive units		19		31		48		58
Total expense	$	2,226	$	1,410	$	3,701	$	2,157