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Accrued and Other Current Liabilities (Tables)
12 Months Ended
Dec. 31, 2017
Payables and Accruals [Abstract]  
Schedule of Accrued Liabilities
Accrued and other current liabilities at December 31, 2017 and 2016 consisted of the following (in thousands):
 
December 31,
 
2017
 
2016
 
 
 
 
Accrued compensation
$
25,510

 
$
10,854

Accrued property and other taxes
16,908

 
19,740

Accrued severance and other charges
1,444

 
6,150

Income taxes
8,091

 
6,857

Accrued purchase orders and other
23,020

 
21,349

Total accrued and other current liabilities
$
74,973

 
$
64,950