Quarterly report pursuant to Section 13 or 15(d)

STOCK INCENTIVE PLANS AND SHARE-BASED COMPENSATION - Narratives (Details)

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STOCK INCENTIVE PLANS AND SHARE-BASED COMPENSATION - Narratives (Details) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 6 Months Ended
Sep. 30, 2016
Sep. 30, 2015
Sep. 30, 2016
Sep. 30, 2015
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Share-based Compensation $ 1,650 $ 2,447 $ 3,648 $ 5,100
Stock options        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Stock options granted (in shares) 0 0 0 0
Share-based Compensation $ 0 $ 0 $ 0 $ 2
Restricted stock units        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Weighted-average grant date fair values of RSUs granted (usd per share) $ 0.42 $ 1.63 $ 0.43 $ 1.64
Granted (in shares)     8,042,000  
Share-based Compensation $ 1,511 $ 2,167 $ 3,347 $ 4,597
Performance RSUs        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Granted (in shares) 3,300,000      
Fair value at the grant date $ 1,400      
Share-based Compensation $ 200