Shareholder Report, Line Graph (Details) 194120_Themes China Generative Artificial Intelligence ETF_TF_TSR Annual {TF} - USD ($) |
12 Months Ended | |
|---|---|---|
Jul. 14, 2025 |
Sep. 30, 2025 |
|
| Themes China Generative Artificial Intelligence ETF | ||
| Account Value [Line Items] | ||
| Line Graph and Table Measure Name | Themes China Generative Artificial Intelligence ETF NAV | |
| Accumulated Value | $ 10,000 | $ 15,001 |
| MSCI ACWI Net Total Return Index (USD) | ||
| Account Value [Line Items] | ||
| Line Graph and Table Measure Name | MSCI ACWI Net Total Return Index (USD) | |
| Accumulated Value | 10,000 | $ 10,693 |
| BITA China Generative AI Select Index | ||
| Account Value [Line Items] | ||
| Line Graph and Table Measure Name | BITA China Generative AI Select Index | |
| Accumulated Value | $ 10,000 | $ 15,002 |