Marketable Securities - Details of Marketable Securities (Parenthetical) (Details) - IronNet [Member] - shares	Dec. 31, 2022	Dec. 31, 2021
Common Shares - Restricted [Member]
Marketable Securities [Line Items]
Distribution of shares by sponsor		1,250,000
Common Shares - Unrestricted [Member]
Marketable Securities [Line Items]
Distribution of shares by sponsor	198,750	88,620

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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