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COMMITMENTS AND CONTINGENCIES (Tables)
12 Months Ended
Dec. 31, 2017
COMMITMENTS AND CONTINGENCIES  
Schedule of future minimum lease payments under all non-cancelable operating leases with an initial term in excess of one year

 

Future minimum lease payments under all non-cancelable operating leases with an initial term in excess of one year as of December 31, 2017 are as follows:

 

 

 

 

Amount

 

 

 

(in thousands)

 

2018

 

$

1,575

 

2019

 

1,497

 

2020

 

1,013

 

2021

 

591

 

2022

 

 

Thereafter

 

 

 

 

 

 

Total

 

$

4,676