Shareholder Report, Average Annual Return (Details) 194682_Themes Generative Artificial Intelligence ETF_TF_TSR Annual {TF} |
12 Months Ended | 22 Months Ended |
|---|---|---|
Sep. 30, 2025 |
Sep. 30, 2025 |
|
| Themes Generative Artificial Intelligence ETF | ||
| Average Annual Return [Line Items] | ||
| Line Graph and Table Measure Name | Themes Generative Artificial Intelligence ETF | |
| Average Annual Return, Percent | 46.57% | 36.05% |
| MSCI ACWI Index | ||
| Average Annual Return [Line Items] | ||
| Line Graph and Table Measure Name | MSCI ACWI Index | |
| Average Annual Return, Percent | 17.27% | 22.92% |
| Solactive Generative Artificial Intelligence Index | ||
| Average Annual Return [Line Items] | ||
| Line Graph and Table Measure Name | Solactive Generative Artificial Intelligence Index | |
| Average Annual Return, Percent | 47.35% | 36.87% |