Fair Value of Ether - Additional Information (Details) |
Jun. 30, 2026
Ethereum
$ / shares
|
Dec. 31, 2025
Ethereum
$ / shares
|
|---|---|---|
| Fair Value Disclosures [Abstract] | ||
| Investment owned balance shares held by custodian | Ethereum | 854,642.67477818 | 733,993.75276361 |
| Ether Fair value per share | $ / shares | $ 1,578.53 | $ 2,971.94 |