Shareholder Report, Line Graph (Details) 193134_Themes US Infrastructure ETF_TF_TSR Annual {TF} - USD ($) |
12 Months Ended | |
|---|---|---|
Sep. 12, 2024 |
Sep. 30, 2025 |
|
| Themes US Infrastructure ETF | ||
| Account Value [Line Items] | ||
| Line Graph and Table Measure Name | Themes US Infrastructure ETF | |
| Accumulated Value | $ 10,000 | $ 12,298 |
| S&P 500 Index | ||
| Account Value [Line Items] | ||
| Line Graph and Table Measure Name | S&P 500 Index | |
| Accumulated Value | 10,000 | $ 12,209 |
| Solactive United States Infrastructure Index | ||
| Account Value [Line Items] | ||
| Line Graph and Table Measure Name | Solactive United States Infrastructure Index | |
| Accumulated Value | $ 10,000 | $ 12,306 |