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Commitments and Contingencies (Tables)
9 Months Ended
Sep. 30, 2016
Commitments and Contingencies Disclosure [Abstract]  
Future Purchase Commitments
Future minimum commitments as of September 30, 2016, are as follows (in thousands):
Remainder of 2016
$
35,867

2017
17,817

2018
5,223

2019
2,691

2020
459

Thereafter
28

 
$
62,085