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v3.25.1

Fair Value of Ether - Additional Information (Details) | 3 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Mar. 31, 2025 USD ($) Ether $ / shares | Dec. 31, 2024 USD ($) Ether $ / shares | Jul. 21, 2024 USD ($) Ether
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items] |  |  |
Trust held net closing balance of ether | Ether | 95,108.4265 | 121,101.8582 | 0
Investment in ether, at fair value | $ 173,794,000 | $ 404,529,000 | $ 0
CME CF Ether |  |  |
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items] |  |  |
Investment in ether, at fair value | $ 174,674,234 | $ 405,188,652 |
Ether index price per share | $ / shares | $ 1,836.58 | $ 3,345.85 |
Lukka Prime Rate |  |  |
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items] |  |  |
Investment in ether, at fair value | $ 173,794,481 | $ 404,528,647 |
Ether index price per share | $ / shares | $ 1,827.33 | $ 3,340.4 |

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