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Other Non-Current Liabilities (Tables)
 12 Months Ended
Dec. 31, 2017
Other Non-Current Liabilities  
Other Non-Current Liabilities

 

 

 

 

 

 

 

 

 

December 31,

 

December 31,

 

    

2017

    

2016

Uncertain tax positions

 

$
10,640

 

$
7,762

Accrued deferred compensation

 

 
4,364

 

 
2,885

Other

 

 
98

 

 
1,539

Accrued purchase liability

 

 

 —

 

 
1,250

 

 

$

15,102

 

$

13,436