Shareholder Report, Average Annual Return (Details) 194684_Themes Cloud Computing ETF_TF_TSR Annual {TF} |
12 Months Ended | 22 Months Ended |
|---|---|---|
Sep. 30, 2025 |
Sep. 30, 2025 |
|
| Themes Cloud Computing ETF | ||
| Average Annual Return [Line Items] | ||
| Line Graph and Table Measure Name | Themes Cloud Computing ETF | |
| Average Annual Return, Percent | 27.35% | 21.97% |
| MSCI ACWI Index | ||
| Average Annual Return [Line Items] | ||
| Line Graph and Table Measure Name | MSCI ACWI Index | |
| Average Annual Return, Percent | 17.27% | 21.21% |
| Solactive Cloud Computing Index | ||
| Average Annual Return [Line Items] | ||
| Line Graph and Table Measure Name | Solactive Cloud Computing Index | |
| Average Annual Return, Percent | 27.86% | 22.44% |