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Compensation Plans (Tables)
 12 Months Ended
Dec. 31, 2016
Compensation Related Costs [Abstract]  
Long-Term Incentive Compensation Plan Expense
The following table summarizes the LTIP expense for each of the three years ended December 31, 2016:
(In thousands)
2016
 
2015
 
2014
2011 grant
$
(82
)
 
$
7,397

 
$
9,855

2013 grant
8,918

 
7,336

 
9,493

2014 grant
3,503

 
2,935

 
3,663

2015 grant
4,072

 
3,205

 
—

2016 grant
4,002

 
—

 
—

Total
$
20,413

 
$
20,873

 
$
23,011