Shareholder Report, Average Annual Return (Details) 194695_Themes Silver Miners ETF_TF_TSR Annual {TF} |
12 Months Ended | 17 Months Ended |
|---|---|---|
Sep. 30, 2025 |
Sep. 30, 2025 |
|
| Themes Silver Miners ETF | ||
| Average Annual Return [Line Items] | ||
| Line Graph and Table Measure Name | Themes Silver Miners ETF | |
| Average Annual Return, Percent | 88.37% | 73.84% |
| MSCI ACWI Index | ||
| Average Annual Return [Line Items] | ||
| Line Graph and Table Measure Name | MSCI ACWI Index | |
| Average Annual Return, Percent | 17.27% | 21.89% |
| STOXX Global Silver Mining Index | ||
| Average Annual Return [Line Items] | ||
| Line Graph and Table Measure Name | STOXX Global Silver Mining Index | |
| Average Annual Return, Percent | 89.76% | 75.15% |