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Commitments and Contingencies (Tables)
3 Months Ended
Mar. 31, 2018
Commitments And Contingencies Disclosure [Abstract]  
Schedule of Future Minimum Lease Payments, Under Non-Cancelable Operating Leases

Future minimum lease payments under non-cancelable operating leases are as follows at March 31, 2018:

 

Years Ending December 31,

 

(in thousands)

 

2018

 

$

3,338

 

2019

 

 

4,537

 

2020

 

 

4,632

 

2021

 

 

4,728

 

2022

 

 

3,485

 

Thereafter

 

 

5,450

 

 

 

$

26,170