Quarterly Financial Data (Unaudited) - Summary of Quarterly Financial Data (Parenthetical) (Details) - IronNet [Member] $ in Thousands	3 Months Ended
Sep. 30, 2021 USD ($) shares
Effect Of Fourth Quarter Events [Line Items]
Stock-based compensation (in shares) \| shares	50,000
Administrative costs	$ 1,318,000
Gain on sponsor distribution of securities	$ 60,205,000

Amount of expense for administrative services provided to the limited liability company (LLC) or limited partnership (LP) by the managing member or general partner, affiliate of managing member or general partner, or affiliate of LLC or LP, for example, but not limited to, salaries, rent, or overhead costs.

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Amount of realized gain (loss) on investment in debt and equity securities.

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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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Total number of shares issued during the period, including shares forfeited, as a result of Restricted Stock Awards.

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