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Employee Benefit Plans (Tables)
 6 Months Ended
Jun. 30, 2015
Compensation and Retirement Disclosure [Abstract]  
Summary of Discretionary Contributions

A summary of the Company made discretionary contributions is as follows:

 

Three Months Ended June 30,      Six Months Ended June 30,  
2015      2014      2015      2014  
$ 106       $ 108       $ 497       $ 393