Harbor Osmosis Emerging Markets Resource Efficient ETF Expense Example - Harbor Osmosis Emerging Markets Resource Efficient ETF - NONE or SAME	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

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