Debt, Commitments and Contingencies - Carrying Amount of Liability Component (Details) - Convertible Senior Notes due 2026 - USD ($) $ in Thousands	Mar. 31, 2021	Mar. 31, 2020
Debt Instrument [Line Items]
Principal	$ 500,000	$ 0
Unamortized debt discount	(74,386)	0
Unamortized debt issuance costs	(12,842)	0
Net carrying amount	$ 412,772	$ 0

Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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Name:	us-gaap_DebtInstrumentCarryingAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant