Fair Value Measurements - Additional Information (Details)	Mar. 31, 2022 MutualFund shares	Dec. 31, 2021 MutualFund
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Number of mutual fund investment \| MutualFund	4	4
IronNet [Member] \| Common Stock [Member] \| Level 2 [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Restricted shares \| shares	1,250,000

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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