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Commitments and Contingencies (Tables)
6 Months Ended
Jun. 30, 2018
Commitments And Contingencies Disclosure [Abstract]  
Estimated Annual Future Minimum Payments under Operating Leases

Estimated annual future minimum payments related to the Company’s operating leases were as follows at June 30, 2018 (in thousands):

 

2018

 

$

1,375

 

2019

 

 

1,880

 

2020

 

 

1,192

 

2021

 

 

886

 

2022

 

 

898

 

Thereafter

 

 

2,848

 

 

 

$

9,079