| Label | Element | Value |
|---|---|---|
| Leverage Shares 2X Capped Accelerated TSLA Monthly ETF | U.S. Treasury Bills [Member] | ||
| Holdings [Line Items] | oef_HoldingsLineItems | |
| Percent of Total Investments | oef_PctOfTotalInv | 95.20% |
| Leverage Shares 2X Capped Accelerated TSLA Monthly ETF | Money Market Funds [Member] | ||
| Holdings [Line Items] | oef_HoldingsLineItems | |
| Percent of Total Investments | oef_PctOfTotalInv | 90.30% |
| Leverage Shares 2X Capped Accelerated TSLA Monthly ETF | Purchased Options [Member] | ||
| Holdings [Line Items] | oef_HoldingsLineItems | |
| Percent of Total Investments | oef_PctOfTotalInv | 12.50% |
| Leverage Shares 2X Capped Accelerated TSLA Monthly ETF | Written Options [Member] | ||
| Holdings [Line Items] | oef_HoldingsLineItems | |
| Percent of Total Investments | oef_PctOfTotalInv | (7.40%) |
| Leverage Shares 2X Capped Accelerated TSLA Monthly ETF | Cash & Other [Member] | ||
| Holdings [Line Items] | oef_HoldingsLineItems | |
| Percent of Total Investments | oef_PctOfTotalInv | (90.60%) |