DEBT, Convertible Debt (Details) - USD ($) $ in Thousands |
5 Months Ended | 7 Months Ended | 12 Months Ended | |||||
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Mar. 31, 2020 |
Oct. 31, 2019 |
Mar. 31, 2019 |
Mar. 31, 2018 |
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Debt [Abstract] | ||||||||
Unamortized discount | $ (50,700) | |||||||
Debt component - net carrying value | 561,124 | $ 1,448,624 | ||||||
Amortization of debt discount | 5,890 | $ 1,563 | 6,337 | $ 1,701 | ||||
Convertible Debt | 4.5% Convertible Senior Notes due 2023 | ||||||||
Debt [Abstract] | ||||||||
Equity component - net carrying value (1) | 36,778 | |||||||
Face amount due at maturity | 143,800 | 143,750 | ||||||
Unamortized discount | (30,806) | |||||||
Debt component - net carrying value | [1],[2] | $ 0 | $ 112,944 | |||||
Interest rate | 11.00% | 11.00% | ||||||
Contractual coupon interest | $ 0 | 715 | $ 6,475 | 1,851 | ||||
Amortization of debt discount | 0 | 648 | 5,547 | 1,454 | ||||
Total interest expense | $ 0 | $ 1,363 | 12,022 | $ 3,305 | ||||
Convertible Debt | 4.5% Convertible Senior Notes due 2023 | Debt Issuance Cost | ||||||||
Debt [Abstract] | ||||||||
Equity component - net carrying value (1) | $ 1,000 | |||||||
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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 The carrying amount of the equity component of convertible debt which may be settled in cash upon conversion. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Face (par) amount of debt instrument at time of issuance. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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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, after accumulated amortization, of debt discount. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Represents the aggregate of total long-term debt, including current maturities and short-term debt. 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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