Fair Value of ZEC - Additional Information (Details) |
Mar. 31, 2026
Zec
$ / shares
|
Dec. 31, 2025
Zec
$ / shares
|
|---|---|---|
| Fair Value Disclosures [Abstract] | ||
| Investment owned balance shares held by custodian | Zec | 391,103.88769118 | 393,522.33134026 |
| ZEC fair value per share | $ / shares | $ 254.27 | $ 509.35 |