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Commitments and Contingencies (Tables)
12 Months Ended
Dec. 31, 2018
Commitments and Contingencies Disclosure [Abstract]  
Minimum Lease Payments under Operating Lease

Minimum lease payments under operating leases are as follows:

 

Year Ending December 31,

   Operating Leases  

2019

   $ 20,106  

2020

   $ 17,142  

2021

   $ 10,325  

2022

   $ 5,573  

2023

   $ 4,410  

Thereafter

   $ 8,739  
  

 

 

 

Total minimum lease payments

   $ 66,295