Shareholder Report, Average Annual Return (Details) 193530_Themes Uranium - Nuclear ETF_TF_TSR Annual {TF} |
12 Months Ended | |
|---|---|---|
Sep. 30, 2025 |
Sep. 30, 2025 |
|
| Themes Uranium & Nuclear ETF | ||
| Average Annual Return [Line Items] | ||
| Line Graph and Table Measure Name | Themes Uranium & Nuclear ETF | |
| Average Annual Return, Percent | 70.63% | 63.20% |
| MSCI ACWI Index | ||
| Average Annual Return [Line Items] | ||
| Line Graph and Table Measure Name | MSCI ACWI Index | |
| Average Annual Return, Percent | 18.59% | 17.27% |
| BITA Global Uranium and Nuclear Select Index | ||
| Average Annual Return [Line Items] | ||
| Line Graph and Table Measure Name | BITA Global Uranium and Nuclear Select Index | |
| Average Annual Return, Percent | 71.19% | 63.51% |