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v3.21.2

Investments - Additional Information (Detail) | 6 Months Ended
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Sep. 30, 2021 USD ($)
Schedule of Held-to-maturity Securities [Line Items] |
Investments | $ 0
Minimum [Member] |
Schedule of Held-to-maturity Securities [Line Items] |
Treasury with original maturities period | 3 months
Maximum |
Schedule of Held-to-maturity Securities [Line Items] |
Treasury with original maturities period | 1 year

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- Definition Original maturity period for held to maturity securities. + References No definition available. + Details
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- Definition Sum of the carrying amounts as of the balance sheet date of all investments. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.1(h)) -URI http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910 + Details
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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. + References No definition available. + Details
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- Details
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