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Commitments and Contingencies (Tables)
12 Months Ended
Dec. 31, 2015
Commitments and Contingencies [Abstract]  
Future Minimum Operating Lease Commitments

The future minimum operating lease commitments for each of the next five years and thereafter and in the aggregate as of December 31, 2015 are as follows (in thousands):

December 31, 2015
2016
$
26,799
 
2017
 
20,896
 
2018
 
14,872
 
2019
 
9,216
 
2020
 
9,329
 
Thereafter
 
3,117
 
Total
$
84,229