Shareholder Report, Average Annual Return (Details) 194681_Themes Global Systemically Important Banks ETF_TF_TSR Annual {TF} |
12 Months Ended | 22 Months Ended |
|---|---|---|
Sep. 30, 2025 |
Sep. 30, 2025 |
|
| Themes Global Systemically Important Banks ETF | ||
| Average Annual Return [Line Items] | ||
| Line Graph and Table Measure Name | Themes Global Systemically Important Banks ETF | |
| Average Annual Return, Percent | 56.30% | 45.22% |
| 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% |
| KBW Nasdaq Global Bank Index | ||
| Average Annual Return [Line Items] | ||
| Line Graph and Table Measure Name | KBW Nasdaq Global Bank Index | |
| Average Annual Return, Percent | 57.64% | 46.68% |