Shareholder Report, Average Annual Return (Details) 193539_Themes Lithium - Battery Metal Miners ETF_TF_TSR Annual {TF} |
12 Months Ended | |
|---|---|---|
Sep. 30, 2025 |
Sep. 30, 2025 |
|
| Themes Lithium & Battery Metal Miners ETF | ||
| Average Annual Return [Line Items] | ||
| Line Graph and Table Measure Name | Themes Lithium & Battery Metal Miners ETF | |
| Average Annual Return, Percent | 59.29% | 31.27% |
| 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 Lithium and Battery Metals Select Index | ||
| Average Annual Return [Line Items] | ||
| Line Graph and Table Measure Name | BITA Global Lithium and Battery Metals Select Index | |
| Average Annual Return, Percent | 58.73% | 31.32% |