Quarterly report pursuant to Section 13 or 15(d)

SHARE BASED COMPENSATION - Narrative (Details)

v3.7.0.1
SHARE BASED COMPENSATION - Narrative (Details) - USD ($)
$ in Thousands
6 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Grants in period (in shares) 0  
Share-based compensation $ 2,629 $ 2,261
Restricted Stock    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Fair value of shares vested $ 4,600 3,000
2013 Employee Stock Purchase Plan    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Number of shares issued under ESPP (in shares) 75,162  
Number of shares available for grant (in shares) 386,650  
Share-based compensation $ 2,600 $ 2,300