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Commitments and Contingencies (Tables)
12 Months Ended
Dec. 31, 2018
Commitments and Contingencies [Abstract]  
Schedule of Future Annual Minimum Lease Payments



 

 



 

 



Amount

Years ending December 31,

(in thousands)

2019

$

6,930 

2020

 

7,056 

2021

 

7,272 

2022

 

7,488 

2023

 

7,704 

Thereafter

 

31,518 

Total minimum lease payments

$

67,968