Annual Fund Operating Expenses |
Mar. 09, 2026 |
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|---|---|---|---|---|---|---|---|---|---|---|
| Nicholas Bitcoin and Treasuries AfterDark ETF [Member] | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Management Fees (as a percentage of Assets) | 0.95% | [1] | ||||||||
| Distribution and Service (12b-1) Fees | 0.00% | [1] | ||||||||
| Other Expenses (as a percentage of Assets): | 0.02% | [1],[2] | ||||||||
| Expenses (as a percentage of Assets) | 0.97% | [1] | ||||||||
| Nicholas Bitcoin Tail ETF [Member] | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Management Fees (as a percentage of Assets) | 0.95% | [3] | ||||||||
| Distribution and Service (12b-1) Fees | 0.00% | [3] | ||||||||
| Other Expenses (as a percentage of Assets): | 0.02% | [3],[4] | ||||||||
| Expenses (as a percentage of Assets) | 0.97% | [3] | ||||||||
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