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Commitments and Contingencies (Tables)
12 Months Ended
Dec. 31, 2018
Commitments and Contingencies Disclosure [Abstract]  
Schedule of Future Minimum Lease Payments
Future minimum lease payments with respect to non-cancelable operating leases at December 31, 2018 were approximately as follows:
 
2019
 
$
5,020
 
2020
 
 
4,172
 
2021
 
 
3,166
 
2022
 
 
2,958
 
2023 and thereafter
 
 
20,599
 
Total
 
$
35,915