Fair Value of ZEN - Additional Information (Detail) |
Mar. 31, 2026
Horizen
$ / shares
|
Dec. 31, 2025
Horizen
$ / shares
|
|---|---|---|
| Fair Value Disclosures [Abstract] | ||
| Investment owned balance shares held by custodian | Horizen | 943,574.15358407 | 949,408.87165001 |
| Horizen fair value per share | $ / shares | $ 5.63 | $ 9.14 |