Shareholder Report, Line Graph (Details) 194690_Themes Cybersecurity ETF_TF_TSR Annual {TF} - USD ($) |
12 Months Ended | ||
|---|---|---|---|
Sep. 30, 2024 |
Dec. 08, 2023 |
Sep. 30, 2025 |
|
| Themes Cybersecurity ETF | |||
| Account Value [Line Items] | |||
| Line Graph and Table Measure Name | Themes Cybersecurity ETF | ||
| Accumulated Value | $ 11,583 | $ 10,000 | $ 13,984 |
| MSCI ACWI Index | |||
| Account Value [Line Items] | |||
| Line Graph and Table Measure Name | MSCI ACWI Index | ||
| Accumulated Value | 12,405 | 10,000 | $ 14,548 |
| Solactive Cyber Security Index | |||
| Account Value [Line Items] | |||
| Line Graph and Table Measure Name | Solactive Cyber Security Index | ||
| Accumulated Value | $ 11,631 | $ 10,000 | $ 14,125 |