Performance Management |
Feb. 27, 2026 |
|---|---|
| Leverage Shares 2X Long AAL Daily ETF | |
| Prospectus [Line Items] | |
| Bar Chart and Performance Table [Heading] | Fund Performance |
| Performance Narrative [Text Block] | Performance information for the Fund is not included because the Fund did not have a full calendar year of performance prior to the date of this Prospectus. In the future, performance for the Fund will be presented in this section. Updated performance information will be available on the Fund’s website at www.ThemesETFs.com or by calling the Fund toll-free at 1-866-5Themes (1-866-584-3637).
|
| Performance One Year or Less [Text] | Performance information for the Fund is not included because the Fund did not have a full calendar year of performance prior to the date of this Prospectus. |
| Performance Availability Website Address [Text] | www.ThemesETFs.com |
| Performance Availability Phone [Text] | 1-866-584-3637 |
| Leverage Shares 2X Long ADBE Daily ETF | |
| Prospectus [Line Items] | |
| Bar Chart and Performance Table [Heading] | Fund Performance |
| Performance Narrative [Text Block] | Performance information for the Fund is not included because the Fund did not have a full calendar year of performance prior to the date of this Prospectus. In the future, performance for the Fund will be presented in this section. Updated performance information will be available on the Fund’s website at www.ThemesETFs.com or by calling the Fund toll-free at 1-866-5Themes (1-866-584-3637).
|
| Performance One Year or Less [Text] | Performance information for the Fund is not included because the Fund did not have a full calendar year of performance prior to the date of this Prospectus. |
| Performance Availability Website Address [Text] | www.ThemesETFs.com |
| Performance Availability Phone [Text] | 1-866-584-3637 |
| Leverage Shares 2X Long AMD Daily ETF | |
| Prospectus [Line Items] | |
| Bar Chart and Performance Table [Heading] | Fund Performance |
| Performance Narrative [Text Block] | Performance information for the Fund is not included because the Fund did not have a full calendar year of performance prior to the date of this Prospectus. In the future, performance for the Fund will be presented in this section. Updated performance information will be available on the Fund’s website at www.ThemesETFs.com or by calling the Fund toll-free at 1-866-5Themes (1-866-584-3637).
|
| Performance One Year or Less [Text] | Performance information for the Fund is not included because the Fund did not have a full calendar year of performance prior to the date of this Prospectus. |
| Performance Availability Website Address [Text] | www.ThemesETFs.com |
| Performance Availability Phone [Text] | 1-866-584-3637 |
| Leverage Shares 2X Long ARM Daily ETF | |
| Prospectus [Line Items] | |
| Bar Chart and Performance Table [Heading] | Fund Performance |
| Performance Narrative [Text Block] | Performance information for the Fund is not included because the Fund did not have a full calendar year of performance prior to the date of this Prospectus. In the future, performance for the Fund will be presented in this section. Updated performance information will be available on the Fund’s website at www.ThemesETFs.com or by calling the Fund toll-free at 1-866-5Themes (1-866-584-3637). |
| Performance One Year or Less [Text] | Performance information for the Fund is not included because the Fund did not have a full calendar year of performance prior to the date of this Prospectus |
| Performance Availability Website Address [Text] | www.ThemesETFs.com |
| Performance Availability Phone [Text] | 1-866-584-3637 |
| Leverage Shares 2X Long ASML Daily ETF | |
| Prospectus [Line Items] | |
| Bar Chart and Performance Table [Heading] | Fund Performance |
| Performance Narrative [Text Block] | Performance information for the Fund is not included because the Fund did not have a full calendar year of performance prior to the date of this Prospectus. In the future, performance for the Fund will be presented in this section. Updated performance information will be available on the Fund’s website at www.ThemesETFs.com or by calling the Fund toll-free at 1-866-5Themes (1-866-584-3637).
|
| Performance One Year or Less [Text] | Performance information for the Fund is not included because the Fund did not have a full calendar year of performance prior to the date of this Prospectus |
| Performance Availability Website Address [Text] | www.ThemesETFs.com |
| Performance Availability Phone [Text] | 1-866-584-3637 |
| Leverage Shares 2X Long AVGO Daily ETF | |
| Prospectus [Line Items] | |
| Bar Chart and Performance Table [Heading] | Fund Performance |
| Performance Narrative [Text Block] | Performance information for the Fund is not included because the Fund did not have a full calendar year of performance prior to the date of this Prospectus. In the future, performance for the Fund will be presented in this section. Updated performance information will be available on the Fund’s website at www.ThemesETFs.com or by calling the Fund toll-free at 1-866-5Themes (1-866-584-3637).
|
| Performance One Year or Less [Text] | Performance information for the Fund is not included because the Fund did not have a full calendar year of performance prior to the date of this Prospectus. |
| Performance Availability Website Address [Text] | www.ThemesETFs.com |
| Performance Availability Phone [Text] | 1-866-584-3637 |
| Leverage Shares 2X Long BA Daily ETF | |
| Prospectus [Line Items] | |
| Bar Chart and Performance Table [Heading] | Fund Performance |
| Performance Narrative [Text Block] | Performance information for the Fund is not included because the Fund did not have a full calendar year of performance prior to the date of this Prospectus. In the future, performance for the Fund will be presented in this section. Updated performance information will be available on the Fund’s website at www.ThemesETFs.com or by calling the Fund toll-free at 1-866-5Themes (1-866-584-3637).
|
| Performance One Year or Less [Text] | Performance information for the Fund is not included because the Fund did not have a full calendar year of performance prior to the date of this Prospectus. |
| Performance Availability Website Address [Text] | www.ThemesETFs.com |
| Performance Availability Phone [Text] | 1-866-584-3637 |
| Leverage Shares 2X Long BBAI Daily ETF | |
| Prospectus [Line Items] | |
| Bar Chart and Performance Table [Heading] | Fund Performance |
| Performance Narrative [Text Block] | Performance information for the Fund is not included because the Fund did not have a full calendar year of performance prior to the date of this Prospectus. In the future, performance for the Fund will be presented in this section. Updated performance information will be available on the Fund’s website at www.ThemesETFs.com or by calling the Fund toll-free at 1-866-5Themes (1-866-584-3637).
|
| Performance One Year or Less [Text] | Performance information for the Fund is not included because the Fund did not have a full calendar year of performance prior to the date of this Prospectus |
| Performance Availability Website Address [Text] | www.ThemesETFs.com |
| Performance Availability Phone [Text] | 1-866-584-3637 |
| Leverage Shares 2X Long BLSH Daily ETF | |
| Prospectus [Line Items] | |
| Bar Chart and Performance Table [Heading] | Fund Performance |
| Performance Narrative [Text Block] | Performance information for the Fund is not included because the Fund did not commence operations prior to the date of this Prospectus. In the future, performance for the Fund will be presented in this section. Updated performance information will be available on the Fund’s website at www.ThemesETFs.com or by calling the Fund toll-free at 1-866-5Themes (1-866-584-3637).
|
| Performance One Year or Less [Text] | Performance information for the Fund is not included because the Fund did not commence operations prior to the date of this Prospectus. |
| Performance Availability Website Address [Text] | www.ThemesETFs.com |
| Performance Availability Phone [Text] | 1-866-584-3637 |
| Leverage Shares 2X Long BMNR Daily ETF | |
| Prospectus [Line Items] | |
| Bar Chart and Performance Table [Heading] | Fund Performance |
| Performance Narrative [Text Block] | Performance information for the Fund is not included because the Fund did not have a full calendar year of performance prior to the date of this Prospectus. In the future, performance for the Fund will be presented in this section. Updated performance information will be available on the Fund’s website at www.ThemesETFs.com or by calling the Fund toll-free at 1-866-5Themes (1-866-584-3637).
|
| Performance One Year or Less [Text] | Performance information for the Fund is not included because the Fund did not have a full calendar year of performance prior to the date of this Prospectus |
| Performance Availability Website Address [Text] | www.ThemesETFs.com |
| Performance Availability Phone [Text] | 1-866-584-3637 |
| Leverage Shares 2X Long BULL Daily ETF | |
| Prospectus [Line Items] | |
| Bar Chart and Performance Table [Heading] | Fund Performance |
| Performance Narrative [Text Block] | Performance information for the Fund is not included because the Fund did not have a full calendar year of performance prior to the date of this Prospectus. In the future, performance for the Fund will be presented in this section. Updated performance information will be available on the Fund’s website at www.ThemesETFs.com or by calling the Fund toll-free at 1-866-5Themes (1-866-584-3637).
|
| Performance One Year or Less [Text] | Performance information for the Fund is not included because the Fund did not have a full calendar year of performance prior to the date of this Prospectus. |
| Performance Availability Website Address [Text] | www.ThemesETFs.com |
| Performance Availability Phone [Text] | 1-866-584-3637 |
| Leverage Shares 2X Long COIN Daily ETF | |
| Prospectus [Line Items] | |
| Bar Chart and Performance Table [Heading] | Fund Performance |
| Performance Narrative [Text Block] | Performance information for the Fund is not included because the Fund did not have a full calendar year of performance prior to the date of this Prospectus. In the future, performance for the Fund will be presented in this section. Updated performance information will be available on the Fund’s website at www.ThemesETFs.com or by calling the Fund toll-free at 1-866-5Themes (1-866-584-3637). |
| Performance One Year or Less [Text] | Performance information for the Fund is not included because the Fund did not have a full calendar year of performance prior to the date of this Prospectus |
| Performance Availability Website Address [Text] | www.ThemesETFs.com |
| Performance Availability Phone [Text] | 1-866-584-3637 |
| Leverage Shares 2X Long COST Daily ETF | |
| Prospectus [Line Items] | |
| Bar Chart and Performance Table [Heading] | Fund Performance |
| Performance Narrative [Text Block] | Performance information for the Fund is not included because the Fund did not have a full calendar year of performance prior to the date of this Prospectus. In the future, performance for the Fund will be presented in this section. Updated performance information will be available on the Fund’s website at www.ThemesETFs.com or by calling the Fund toll-free at 1-866-5Themes (1-866-584-3637).
|
| Performance One Year or Less [Text] | Performance information for the Fund is not included because the Fund did not have a full calendar year of performance prior to the date of this Prospectus |
| Performance Availability Website Address [Text] | www.ThemesETFs.com |
| Performance Availability Phone [Text] | 1-866-584-3637 |
| Leverage Shares 2X Long CRCL Daily ETF | |
| Prospectus [Line Items] | |
| Bar Chart and Performance Table [Heading] | Fund Performance |
| Performance Narrative [Text Block] | Performance information for the Fund is not included because the Fund did not have a full calendar year of performance prior to the date of this Prospectus. In the future, performance for the Fund will be presented in this section. Updated performance information will be available on the Fund’s website at www.ThemesETFs.com or by calling the Fund toll-free at 1-866-5Themes (1-866-584-3637).
|
| Performance One Year or Less [Text] | Performance information for the Fund is not included because the Fund did not have a full calendar year of performance prior to the date of this Prospectus. |
| Performance Availability Website Address [Text] | www.ThemesETFs.com |
| Performance Availability Phone [Text] | 1-866-584-3637 |
| Leverage Shares 2X Long CRM Daily ETF | |
| Prospectus [Line Items] | |
| Bar Chart and Performance Table [Heading] | Fund Performance |
| Performance Narrative [Text Block] | Performance information for the Fund is not included because the Fund did not have a full calendar year of performance prior to the date of this Prospectus. In the future, performance for the Fund will be presented in this section. Updated performance information will be available on the Fund’s website at www.ThemesETFs.com or by calling the Fund toll-free at 1-866-5Themes (1-866-584-3637).
|
| Performance One Year or Less [Text] | Performance information for the Fund is not included because the Fund did not have a full calendar year of performance prior to the date of this Prospectus |
| Performance Availability Website Address [Text] | www.ThemesETFs.com |
| Performance Availability Phone [Text] | 1-866-584-3637 |
| Leverage Shares 2X Long CRWV Daily ETF | |
| Prospectus [Line Items] | |
| Bar Chart and Performance Table [Heading] | Fund Performance |
| Performance Narrative [Text Block] | Performance information for the Fund is not included because the Fund did not have a full calendar year of performance prior to the date of this Prospectus. In the future, performance for the Fund will be presented in this section. Updated performance information will be available on the Fund’s website at www.ThemesETFs.com or by calling the Fund toll-free at 1-866-5Themes (1-866-584-3637).
|
| Performance One Year or Less [Text] | Performance information for the Fund is not included because the Fund did not have a full calendar year of performance prior to the date of this Prospectus. |
| Performance Availability Website Address [Text] | www.ThemesETFs.com |
| Performance Availability Phone [Text] | 1-866-584-3637 |
| Leverage Shares 2X Long FIG Daily ETF | |
| Prospectus [Line Items] | |
| Bar Chart and Performance Table [Heading] | Fund Performance |
| Performance Narrative [Text Block] | Performance information for the Fund is not included because the Fund did not have a full calendar year of performance prior to the date of this Prospectus. In the future, performance for the Fund will be presented in this section. Updated performance information will be available on the Fund’s website at www.ThemesETFs.com or by calling the Fund toll-free at 1-866-5Themes (1-866-584-3637).
|
| Performance One Year or Less [Text] | Performance information for the Fund is not included because the Fund did not have a full calendar year of performance prior to the date of this Prospectus |
| Performance Availability Website Address [Text] | www.ThemesETFs.com |
| Performance Availability Phone [Text] | 1-866-584-3637 |
| Leverage Shares 2X Long FUTU Daily ETF | |
| Prospectus [Line Items] | |
| Bar Chart and Performance Table [Heading] | Fund Performance |
| Performance Narrative [Text Block] | Performance information for the Fund is not included because the Fund did not have a full calendar year of performance prior to the date of this Prospectus. In the future, performance for the Fund will be presented in this section. Updated performance information will be available on the Fund’s website at www.ThemesETFs.com or by calling the Fund toll-free at 1-866-5Themes (1-866-584-3637).
|
| Performance One Year or Less [Text] | Performance information for the Fund is not included because the Fund did not have a full calendar year of performance prior to the date of this Prospectus. |
| Performance Availability Website Address [Text] | www.ThemesETFs.com |
| Performance Availability Phone [Text] | 1-866-584-3637 |
| Leverage Shares 2X Long GLXY Daily ETF | |
| Prospectus [Line Items] | |
| Bar Chart and Performance Table [Heading] | Fund Performance |
| Performance Narrative [Text Block] | Performance information for the Fund is not included because the Fund did not have a full calendar year of performance prior to the date of this Prospectus. In the future, performance for the Fund will be presented in this section. Updated performance information will be available on the Fund’s website at www.ThemesETFs.com or by calling the Fund toll-free at 1-866-5Themes (1-866-584-3637).
|
| Performance One Year or Less [Text] | Performance information for the Fund is not included because the Fund did not have a full calendar year of performance prior to the date of this Prospectus. |
| Performance Availability Website Address [Text] | www.ThemesETFs.com |
| Performance Availability Phone [Text] | 1-866-584-3637 |
| Leverage Shares 2X Long HOOD Daily ETF | |
| Prospectus [Line Items] | |
| Bar Chart and Performance Table [Heading] | Fund Performance |
| Performance Narrative [Text Block] | Performance information for the Fund is not included because the Fund did not have a full calendar year of performance prior to the date of this Prospectus. In the future, performance for the Fund will be presented in this section. Updated performance information will be available on the Fund’s website at www.ThemesETFs.com or by calling the Fund toll-free at 1-866-5Themes (1-866-584-3637).
|
| Performance One Year or Less [Text] | Performance information for the Fund is not included because the Fund did not have a full calendar year of performance prior to the date of this Prospectus. |
| Performance Availability Website Address [Text] | www.ThemesETFs.com |
| Performance Availability Phone [Text] | 1-866-584-3637 |
| Leverage Shares 2X Long MP Daily ETF | |
| Prospectus [Line Items] | |
| Bar Chart and Performance Table [Heading] | Fund Performance |
| Performance Narrative [Text Block] | Performance information for the Fund is not included because the Fund did not have a full calendar year of performance prior to the date of this Prospectus. In the future, performance for the Fund will be presented in this section. Updated performance information will be available on the Fund’s website at www.ThemesETFs.com or by calling the Fund toll-free at 1-866-5Themes (1-866-584-3637).
|
| Performance One Year or Less [Text] | Performance information for the Fund is not included because the Fund did not have a full calendar year of performance prior to the date of this Prospectus |
| Performance Availability Website Address [Text] | www.ThemesETFs.com |
| Performance Availability Phone [Text] | 1-866-584-3637 |
| Leverage Shares 2X Long NBIS Daily ETF | |
| Prospectus [Line Items] | |
| Bar Chart and Performance Table [Heading] | Fund Performance |
| Performance Narrative [Text Block] | Performance information for the Fund is not included because the Fund did not have a full calendar year of performance prior to the date of this Prospectus. In the future, performance for the Fund will be presented in this section. Updated performance information will be available on the Fund’s website at www.ThemesETFs.com or by calling the Fund toll-free at 1-866-5Themes (1-866-584-3637).
|
| Performance One Year or Less [Text] | Performance information for the Fund is not included because the Fund did not have a full calendar year of performance prior to the date of this Prospectus |
| Performance Availability Website Address [Text] | www.ThemesETFs.com |
| Performance Availability Phone [Text] | 1-866-584-3637 |
| Leverage Shares 2X Long NVDA Daily ETF | |
| Prospectus [Line Items] | |
| Bar Chart and Performance Table [Heading] | Fund Performance |
| Performance Narrative [Text Block] | The following performance information indicates some of the risks of investing in the Fund. The bar chart shows the Fund’s performance for the most recent calendar years ended December 31. The table illustrates how the Fund’s average annual returns for the 1-year and since inception periods compare with those of a broad measure of market performance and the Index. The Fund’s past performance, before and after taxes, does not necessarily indicate how it will perform in the future. Updated performance information will be available on the Fund’s website at www.ThemesETFs.com or by calling the Fund toll-free at 1-866-5Themes (1-866-584-3637). |
| Performance Past Does Not Indicate Future [Text] | The Fund’s past performance, before and after taxes, does not necessarily indicate how it will perform in the future. |
| Performance Information Illustrates Variability of Returns [Text] | The following performance information indicates some of the risks of investing in the Fund. |
| Bar Chart [Heading] | Calendar Year Total Return |
| Bar Chart Closing [Text Block] | During the period of time shown in the bar chart, the Fund’s highest quarterly return was 90.65% for the quarter ended June 30, 2025, and the lowest quarterly return was -44.11% for the quarter ended March 31, 2025.
|
| Highest Quarterly Return, Label [Optional Text] | highest quarterly return |
| Highest Quarterly Return | 90.65% |
| Highest Quarterly Return, Date | Jun. 30, 2025 |
| Lowest Quarterly Return, Label [Optional Text] | lowest quarterly return |
| Lowest Quarterly Return | (44.11%) |
| Lowest Quarterly Return, Date | Mar. 31, 2025 |
| Performance Table Heading | Average Annual Total Returns for the Period Ended December 31, 2025 |
| Performance Table Uses Highest Federal Rate | After-tax returns are calculated using the historical highest marginal individual U.S. federal income tax rates during the period covered by the table above and do not reflect the impact of state and local taxes. |
| Performance Table Not Relevant to Tax Deferred | After-tax returns shown are not relevant to investors who hold their Shares through tax-deferred arrangements such as an individual retirement account (“IRA”) or other tax-advantaged accounts. |
| Performance Table Explanation after Tax Higher | In certain cases, the figure representing “Return After Taxes on Distributions and Sale of Shares” may be higher than the other return figures for the same period. A higher after-tax return results when a capital loss occurs upon redemption and provides an assumed tax deduction that benefits the investor. |
| Index No Deduction for Fees, Expenses, or Taxes [Text] | (reflects no deduction for fees, expenses, or taxes) |
| Performance Table Closing [Text Block] | After-tax returns are calculated using the historical highest marginal individual U.S. federal income tax rates during the period covered by the table above and do not reflect the impact of state and local taxes. Actual after-tax returns depend on an investor’s tax situation and may differ from those shown. After-tax returns shown are not relevant to investors who hold their Shares through tax-deferred arrangements such as an individual retirement account (“IRA”) or other tax-advantaged accounts. In certain cases, the figure representing “Return After Taxes on Distributions and Sale of Shares” may be higher than the other return figures for the same period. A higher after-tax return results when a capital loss occurs upon redemption and provides an assumed tax deduction that benefits the investor. |
| Performance Availability Website Address [Text] | www.ThemesETFs.com |
| Performance Availability Phone [Text] | 1-866-584-3637 |
| Leverage Shares 2X Long PANW Daily ETF | |
| Prospectus [Line Items] | |
| Bar Chart and Performance Table [Heading] | Fund Performance |
| Performance Narrative [Text Block] | Performance information for the Fund is not included because the Fund did not have a full calendar year of performance prior to the date of this Prospectus. In the future, performance for the Fund will be presented in this section. Updated performance information will be available on the Fund’s website at www.ThemesETFs.com or by calling the Fund toll-free at 1-866-5Themes (1-866-584-3637).
|
| Performance One Year or Less [Text] | Performance information for the Fund is not included because the Fund did not have a full calendar year of performance prior to the date of this Prospectus |
| Performance Availability Website Address [Text] | www.ThemesETFs.com |
| Performance Availability Phone [Text] | 1-866-584-3637 |
| Leverage Shares 2X Long PLTR Daily ETF | |
| Prospectus [Line Items] | |
| Bar Chart and Performance Table [Heading] | Fund Performance |
| Performance Narrative [Text Block] | Performance information for the Fund is not included because the Fund did not have a full calendar year of performance prior to the date of this Prospectus. In the future, performance for the Fund will be presented in this section. Updated performance information will be available on the Fund’s website at www.ThemesETFs.com or by calling the Fund toll-free at 1-866-5Themes (1-866-584-3637).
|
| Performance One Year or Less [Text] | Performance information for the Fund is not included because the Fund did not have a full calendar year of performance prior to the date of this Prospectus. |
| Performance Availability Website Address [Text] | www.ThemesETFs.com |
| Performance Availability Phone [Text] | 1-866-584-3637 |
| Leverage Shares 2X Long PYPL Daily ETF | |
| Prospectus [Line Items] | |
| Bar Chart and Performance Table [Heading] | Fund Performance |
| Performance Narrative [Text Block] | Performance information for the Fund is not included because the Fund did not have a full calendar year of performance prior to the date of this Prospectus. In the future, performance for the Fund will be presented in this section. Updated performance information will be available on the Fund’s website at www.ThemesETFs.com or by calling the Fund toll-free at 1-866-5Themes (1-866-584-3637).
|
| Performance One Year or Less [Text] | Performance information for the Fund is not included because the Fund did not have a full calendar year of performance prior to the date of this Prospectus. |
| Performance Availability Website Address [Text] | www.ThemesETFs.com |
| Performance Availability Phone [Text] | 1-866-584-3637 |
| Leverage Shares 2X Long RTX Daily ETF | |
| Prospectus [Line Items] | |
| Bar Chart and Performance Table [Heading] | Fund Performance |
| Performance Narrative [Text Block] | Performance information for the Fund is not included because the Fund did not have a full calendar year of performance prior to the date of this Prospectus. In the future, performance for the Fund will be presented in this section. Updated performance information will be available on the Fund’s website at www.ThemesETFs.com or by calling the Fund toll-free at 1-866-5Themes (1-866-584-3637).
|
| Performance One Year or Less [Text] | Performance information for the Fund is not included because the Fund did not have a full calendar year of performance prior to the date of this Prospectus |
| Performance Availability Website Address [Text] | www.ThemesETFs.com |
| Performance Availability Phone [Text] | 1-866-584-3637 |
| Leverage Shares 2X Long TSLA Daily ETF | |
| Prospectus [Line Items] | |
| Bar Chart and Performance Table [Heading] | Fund Performance |
| Performance Narrative [Text Block] | The following performance information indicates some of the risks of investing in the Fund. The bar chart shows the Fund’s performance for the most recent calendar years ended December 31. The table illustrates how the Fund’s average annual returns for the 1-year and since inception periods compare with those of a broad measure of market performance and the Index. The Fund’s past performance, before and after taxes, does not necessarily indicate how it will perform in the future. Updated performance information will be available on the Fund’s website at www.ThemesETFs.com or by calling the Fund toll-free at 1-866-5Themes (1-866-584-3637). |
| Performance Past Does Not Indicate Future [Text] | The Fund’s past performance, before and after taxes, does not necessarily indicate how it will perform in the future. |
| Performance Information Illustrates Variability of Returns [Text] | The following performance information indicates some of the risks of investing in the Fund. |
| Bar Chart [Heading] | Calendar Year Total Returns |
| Bar Chart Closing [Text Block] | During the period of time shown in the bar chart, the Fund’s highest quarterly return was 79.91% for the quarter ended September 30, 2025, and the lowest quarterly return was -65.14% for the quarter ended March 31, 2025.
|
| Highest Quarterly Return, Label [Optional Text] | highest quarterly return |
| Highest Quarterly Return | 79.91% |
| Highest Quarterly Return, Date | Sep. 30, 2025 |
| Lowest Quarterly Return, Label [Optional Text] | lowest quarterly return |
| Lowest Quarterly Return | (65.14%) |
| Lowest Quarterly Return, Date | Mar. 31, 2025 |
| Performance Table Heading | Average Annual Total Returns for the Period Ended December 31, 2025 |
| Performance Table Uses Highest Federal Rate | After-tax returns are calculated using the historical highest marginal individual U.S. federal income tax rates during the period covered by the table above and do not reflect the impact of state and local taxes. |
| Performance Table Not Relevant to Tax Deferred | After-tax returns shown are not relevant to investors who hold their Shares through tax-deferred arrangements such as an individual retirement account (“IRA”) or other tax-advantaged accounts. |
| Performance Table Explanation after Tax Higher | In certain cases, the figure representing “Return After Taxes on Distributions and Sale of Shares” may be higher than the other return figures for the same period. A higher after-tax return results when a capital loss occurs upon redemption and provides an assumed tax deduction that benefits the investor. |
| Index No Deduction for Fees, Expenses, or Taxes [Text] | (reflects no deduction for fees, expenses, or taxes) |
| Performance Table Closing [Text Block] | After-tax returns are calculated using the historical highest marginal individual U.S. federal income tax rates during the period covered by the table above and do not reflect the impact of state and local taxes. Actual after-tax returns depend on an investor’s tax situation and may differ from those shown. After-tax returns shown are not relevant to investors who hold their Shares through tax-deferred arrangements such as an individual retirement account (“IRA”) or other tax-advantaged accounts. In certain cases, the figure representing “Return After Taxes on Distributions and Sale of Shares” may be higher than the other return figures for the same period. A higher after-tax return results when a capital loss occurs upon redemption and provides an assumed tax deduction that benefits the investor. |
| Performance Availability Website Address [Text] | www.ThemesETFs.com |
| Performance Availability Phone [Text] | 1-866-584-3637 |
| Leverage Shares 2X Long TSM Daily ETF | |
| Prospectus [Line Items] | |
| Bar Chart and Performance Table [Heading] | Fund Performance |
| Performance Narrative [Text Block] | Performance information for the Fund is not included because the Fund did not have a full calendar year of performance prior to the date of this Prospectus. In the future, performance for the Fund will be presented in this section. Updated performance information will be available on the Fund’s website at www.ThemesETFs.com or by calling the Fund toll-free at 1-866-5Themes (1-866-584-3637).
|
| Performance One Year or Less [Text] | Performance information for the Fund is not included because the Fund did not have a full calendar year of performance prior to the date of this Prospectus |
| Performance Availability Website Address [Text] | www.ThemesETFs.com |
| Performance Availability Phone [Text] | 1-866-584-3637 |
| Leverage Shares 2X Long UNH Daily ETF | |
| Prospectus [Line Items] | |
| Bar Chart and Performance Table [Heading] | Fund Performance |
| Performance Narrative [Text Block] | Performance information for the Fund is not included because the Fund did not have a full calendar year of performance prior to the date of this Prospectus. In the future, performance for the Fund will be presented in this section. Updated performance information will be available on the Fund’s website at www.ThemesETFs.com or by calling the Fund toll-free at 1-866-5Themes (1-866-584-3637).
|
| Performance One Year or Less [Text] | Performance information for the Fund is not included because the Fund did not have a full calendar year of performance prior to the date of this Prospectus |
| Performance Availability Website Address [Text] | www.ThemesETFs.com |
| Performance Availability Phone [Text] | 1-866-584-3637 |
| Leverage Shares 2X Long XYZ Daily ETF | |
| Prospectus [Line Items] | |
| Bar Chart and Performance Table [Heading] | Fund Performance |
| Performance Narrative [Text Block] | Performance information for the Fund is not included because the Fund did not have a full calendar year of performance prior to the date of this Prospectus. In the future, performance for the Fund will be presented in this section. Updated performance information will be available on the Fund’s website at www.ThemesETFs.com or by calling the Fund toll-free at 1-866-5Themes (1-866-584-3637).
|
| Performance One Year or Less [Text] | Performance information for the Fund is not included because the Fund did not have a full calendar year of performance prior to the date of this Prospectus. |
| Performance Availability Website Address [Text] | www.ThemesETFs.com |
| Performance Availability Phone [Text] | 1-866-584-3637 |