Fair Value of ZEN - Additional Information (Detail) |
Mar. 31, 2025
Horizen
$ / shares
|
Sep. 30, 2024
Horizen
$ / shares
|
|---|---|---|
| Fair Value Disclosures [Abstract] | ||
| Investment owned balance shares held by custodian | Horizen | 954,395.76463353 | 586,285.79535365 |
| Horizen fair value per share | $ / shares | $ 8.81 | $ 8.13 |