DEBT - Schedules of convertible debt (Details) - USD ($) $ in Thousands |
6 Months Ended | |
|---|---|---|
Sep. 30, 2020 |
Sep. 30, 2019 |
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| 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 | |
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- Definition Amount of noncash expense included in interest expense to amortize debt discount and premium associated with the related debt instruments. Excludes amortization of financing costs. Alternate captions include noncash interest expense. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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- Definition Amount of the cost of borrowed funds accounted for as interest expense for debt. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Represents the portion of interest incurred in the period on debt arrangements that was charged against earnings, excluding amortization of debt discount (premium) and financing costs. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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