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Fair Value of Bitcoin - Additional information (Detail) | Dec. 31, 2023 BITCOIN $ / shares | Dec. 31, 2022 BITCOIN $ / shares | Dec. 31, 2021 BITCOIN $ / shares
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Fair Value Disclosures [Abstract] |  |  |
Investment owned balance shares held by custodian | BITCOIN | 619,525.9291702 | 632,041.52945742 | 644,809.96863835
Bitcoin Fair Value Per Share | $ / shares | $ 42,533.28 | $ 16,556.29 | $ 45,867.86

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- References No definition available. + Details
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