Fair Value Measurements - Schedule of Financial Assets Measured at Fair Value on Recurring Basis (Details) - USD ($) $ in Thousands	Mar. 31, 2021	Mar. 31, 2020
Cash equivalents
Total cash equivalents	$ 805,994	$ 846,701
Level 1
Cash equivalents
Total cash equivalents	805,994	846,701
Money Market Funds
Cash equivalents
Total cash equivalents	805,994	846,701
Money Market Funds \| Level 1
Cash equivalents
Total cash equivalents	$ 805,994	$ 846,701

Fair value portion of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

No definition available.

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant