v3.25.4
Harbor Transformative Technologies ETF Expense Example - Harbor Transformative Technologies ETF - Harbor Transformative Technologies ETF
Oct. 31, 2025
USD ($)
Prospectus [Line Items]  
Expense Example, with Redemption, 1 Year $ 70
Expense Example, with Redemption, 3 Years 221
Expense Example, with Redemption, 5 Years 384
Expense Example, with Redemption, 10 Years $ 859