Annual Fund Operating Expenses |
Mar. 27, 2026 |
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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Thornburg American Opportunities Fund - ETF Class | ||||||||||||||
| Prospectus [Line Items] | ||||||||||||||
| Management Fees (as a percentage of Assets) | 0.79% | [1] | ||||||||||||
| Other Expenses (as a percentage of Assets): | 0.14% | [2] | ||||||||||||
| Expenses (as a percentage of Assets) | 0.93% | |||||||||||||
| Fee Waiver or Reimbursement | (0.14%) | [3] | ||||||||||||
| Net Expenses (as a percentage of Assets) | 0.79% | |||||||||||||
| Fee Waiver or Reimbursement over Assets, Date of Termination | March 27, 2027 | |||||||||||||
| Thornburg Focus Growth Fund - ETF Class | ||||||||||||||
| Prospectus [Line Items] | ||||||||||||||
| Management Fees (as a percentage of Assets) | 0.79% | [4] | ||||||||||||
| Other Expenses (as a percentage of Assets): | 0.19% | [5] | ||||||||||||
| Expenses (as a percentage of Assets) | 0.98% | |||||||||||||
| Fee Waiver or Reimbursement | (0.19%) | [6] | ||||||||||||
| Net Expenses (as a percentage of Assets) | 0.79% | |||||||||||||
| Fee Waiver or Reimbursement over Assets, Date of Termination | March 27, 2027 | |||||||||||||
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