Shareholder Report, Line Graph (Details) 193137_Themes Transatlantic Defense ETF_TF_TSR Annual {TF} - USD ($) |
12 Months Ended | ||
|---|---|---|---|
Oct. 10, 2024 |
Sep. 30, 2025 |
Sep. 30, 2025 |
|
| Themes Transatlantic Defense ETF | |||
| Account Value [Line Items] | |||
| Line Graph and Table Measure Name | Themes Transatlantic Defense ETF NAV | ||
| Accumulated Value | $ 10,000 | $ 15,570 | |
| MSCI ACWI Net Total Return Index (USD) | |||
| Account Value [Line Items] | |||
| Line Graph and Table Measure Name | MSCI ACWI Net Total Return Index (USD) | ||
| Accumulated Value | 10,000 | $ 11,773 | |
| Solactive Transatlantic Aerospace and Defense Index NTR | |||
| Account Value [Line Items] | |||
| Line Graph and Table Measure Name | Solactive Transatlantic Aerospace and Defense Index NTR | ||
| Accumulated Value | $ 10,000 | $ 15,619 | |