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Employee Benefit Plans (Tables)
12 Months Ended
Dec. 31, 2015
Employee Benefit Plans [Abstract]  
Unrealized Gains (Losses) on Investments held in Rabbi Trust

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Year ended December 31,

 

 

 

 

2015

 

2014

 

2013

Unrealized gains (losses) on investments held in rabbi trust

 

 

 

$

(571)

 

$

184 

 

$

722