Accrued Expenses (Tables)
9 Months Ended
Sep. 30, 2016
Payables and Accruals [Abstract]  
Summary of Accrued Expenses

Accrued expenses as of September 30, 2016 and December 31, 2015 are comprised of the following (in thousands):

 

     September 30,
2016
     December 31,
2015
 

Payroll, benefits and related taxes, excluding severance benefits

   $ 28,395       $ 18,831   

Withholding tax attributable to intercompany interest income

     14,712         13,130   

Interest on senior notes

     3,104         6,831   

Settlement obligations

     332         1,012   

Accrued claim settlement

     —          23,500   

Outside service fees

     2,296         4,327   

Others

     9,445         9,090   
  

 

 

    

 

 

 

Accrued expenses

   $ 58,284       $ 76,721