Quarterly report pursuant to Section 13 or 15(d)

DEBT - Schedules of convertible debt (Details)

v3.20.2
DEBT - Schedules of convertible debt (Details) - USD ($)
$ in Thousands
6 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Debt Instrument [Line Items]    
Amortization of debt discount $ 7,957 $ 1,520
Convertible Debt | 4½% Convertible Senior Notes due 2023    
Debt Instrument [Line Items]    
Contractual coupon interest   715
Amortization of debt discount   648
Total interest expense   $ 1,363