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Summary of Significant Accounting Policies - Recently Adopted Accounting Standards (Details) - Convertible Senior Notes Due 2026 - Senior Notes - USD ($)	Sep. 30, 2021	Mar. 31, 2021
Debt Instrument [Line Items]
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Debt instrument, interest rate, stated percentage	0.50%	0.50%

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- Definition

Face (par) amount of debt instrument at time of issuance.

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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

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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.

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No definition available.

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