Commitments and Contingencies (Tables)
9 Months Ended
Sep. 30, 2017
Commitments and Contingencies  
Schedule of future minimum rental payments required under non-cancelable operating leases

Future minimum rental payments required under non-cancelable operating leases with initial or remaining terms in excess of one year consist of the following as of September 30, 2017 (in thousands):

 

 

 

 

 

 

2017

    

$

916

 

2018

 

 

2,527

 

2019

 

 

901

 

2020

 

 

453

 

2021

 

 

31

 

 

 

$

4,828