| Label | Element | Value |
|---|---|---|
| Leverage Shares 2X Capped Accelerated MSTR Monthly ETF | U.S. Treasury Bills [Member] | ||
| Holdings [Line Items] | oef_HoldingsLineItems | |
| Percent of Total Investments | oef_PctOfTotalInv | 92.90% |
| Leverage Shares 2X Capped Accelerated MSTR Monthly ETF | Money Market Funds [Member] | ||
| Holdings [Line Items] | oef_HoldingsLineItems | |
| Percent of Total Investments | oef_PctOfTotalInv | 79.70% |
| Leverage Shares 2X Capped Accelerated MSTR Monthly ETF | Purchased Options [Member] | ||
| Holdings [Line Items] | oef_HoldingsLineItems | |
| Percent of Total Investments | oef_PctOfTotalInv | 19.10% |
| Leverage Shares 2X Capped Accelerated MSTR Monthly ETF | Written Options [Member] | ||
| Holdings [Line Items] | oef_HoldingsLineItems | |
| Percent of Total Investments | oef_PctOfTotalInv | (14.10%) |
| Leverage Shares 2X Capped Accelerated MSTR Monthly ETF | Cash & Other [Member] | ||
| Holdings [Line Items] | oef_HoldingsLineItems | |
| Percent of Total Investments | oef_PctOfTotalInv | (77.60%) |