Fair Value of ZEC - Additional Information (Details) |
Jun. 30, 2026
Zec
$ / shares
|
Dec. 31, 2025
Zec
$ / shares
|
|---|---|---|
| Fair Value Disclosures [Abstract] | ||
| Investment owned balance shares held by custodian | Zec | 388,673.68359943 | 393,522.33134026 |
| ZEC fair value per share | $ / shares | $ 399.44 | $ 509.35 |