Shareholder Report, Line Graph (Details) 194683_Themes Natural Monopoly ETF_TF_TSR Annual {TF} - USD ($) |
12 Months Ended | ||
|---|---|---|---|
Sep. 30, 2024 |
Dec. 13, 2023 |
Sep. 30, 2025 |
|
| Themes Natural Monopoly ETF | |||
| Account Value [Line Items] | |||
| Line Graph and Table Measure Name | Themes Natural Monopoly ETF | ||
| Accumulated Value | $ 11,871 | $ 10,000 | $ 13,155 |
| MSCI ACWI Index | |||
| Account Value [Line Items] | |||
| Line Graph and Table Measure Name | MSCI ACWI Index | ||
| Accumulated Value | 12,288 | 10,000 | $ 14,409 |
| Solactive Natural Monopoly Index | |||
| Account Value [Line Items] | |||
| Line Graph and Table Measure Name | Solactive Natural Monopoly Index | ||
| Accumulated Value | $ 11,901 | $ 10,000 | $ 13,226 |