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Commitments and Contingencies (Tables)
12 Months Ended
Dec. 31, 2016
Commitments and Contingencies Disclosure [Abstract]  
Future minimum lease payments
Years Ending December 31,      
2017   $ 1,767  
2018     1,004  
2019     665  
2020     515  
2021     446  
Thereafter     1,017  
    $ 5,414