Fair Value Measurement - Summary of Assets Measured At Fair Value (Details) $ in Thousands	Mar. 31, 2024 USD ($)
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total Investments	$ 10,215,701
Investment in Bitcoin [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total Investments	10,215,701
Fair Value, Inputs, Level 1 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total Investments	10,215,701
Fair Value, Inputs, Level 1 [Member] \| Investment in Bitcoin [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total Investments	10,215,701
Fair Value, Inputs, Level 2 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total Investments	0
Fair Value, Inputs, Level 2 [Member] \| Investment in Bitcoin [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total Investments	0
Fair Value, Inputs, Level 3 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total Investments	0
Fair Value, Inputs, Level 3 [Member] \| Investment in Bitcoin [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Total Investments	$ 0

Fidelity Wise Origin Bitcoin Fund 10-Q