Quarterly report pursuant to Section 13 or 15(d)

FAIR VALUE - Schedule of Carrying Value and Fair Value of Financial Liabilities (Details)

v3.3.1.900
FAIR VALUE - Schedule of Carrying Value and Fair Value of Financial Liabilities (Details) - USD ($)
$ in Thousands
Dec. 31, 2015
Mar. 31, 2015
Convertible subordinated debt    
Fair Value Inputs, Liabilities, Quantitative Information [Line Items]    
Carrying Value $ 69,138 $ 152,138
Long-term debt    
Fair Value Inputs, Liabilities, Quantitative Information [Line Items]    
Carrying Value 68,920 0
Level 2 fair value measurements | Convertible subordinated debt    
Fair Value Inputs, Liabilities, Quantitative Information [Line Items]    
Fair Value 64,197 166,551
Level 2 fair value measurements | Long-term debt    
Fair Value Inputs, Liabilities, Quantitative Information [Line Items]    
Fair Value $ 68,882 $ 0