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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
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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Bitcoin fair value per share

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Investment owned, balance, shares held by custodian.

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