Shareholder Report, Average Annual Return (Details) 193538_Themes Copper Miners ETF_TF_TSR Annual {TF} |
12 Months Ended | |
|---|---|---|
Sep. 30, 2025 |
Sep. 30, 2025 |
|
| Themes Copper Miners ETF | ||
| Average Annual Return [Line Items] | ||
| Line Graph and Table Measure Name | Themes Copper Miners ETF | |
| Average Annual Return, Percent | 49.19% | 33.24% |
| 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 Copper Mining Select Index | ||
| Average Annual Return [Line Items] | ||
| Line Graph and Table Measure Name | BITA Global Copper Mining Select Index | |
| Average Annual Return, Percent | 46.11% | 31.10% |