110001 - Disclosure - Harbor Active Small Cap ETF Investment Objectives and Goals link:presentationLink link:definitionLink link:calculationLink 110002 - Disclosure - Harbor Active Small Cap ETF Fees and Expenses link:presentationLink link:definitionLink link:calculationLink 110003 - Disclosure - Harbor Active Small Cap ETF Investment Strategy link:presentationLink link:definitionLink link:calculationLink 110004 - Disclosure - Harbor Active Small Cap ETF Investment Risks link:presentationLink link:definitionLink link:calculationLink 110005 - Disclosure - Harbor Active Small Cap ETF Performance Management link:presentationLink link:definitionLink link:calculationLink 120010 - Disclosure - Harbor Active Small Cap ETF Shareholder Fees link:presentationLink link:definitionLink link:calculationLink 120020 - Disclosure - Harbor Active Small Cap ETF Annual Fund Operating Expenses link:presentationLink link:definitionLink link:calculationLink 120030 - Disclosure - Harbor Active Small Cap ETF Expense Example link:presentationLink link:definitionLink link:calculationLink 120040 - Disclosure - Harbor Active Small Cap ETF Expense Example, No Redemption link:presentationLink link:definitionLink link:calculationLink 120045 - Disclosure - Harbor Active Small Cap ETF Risks Data link:presentationLink link:definitionLink link:calculationLink 120050 - Disclosure - Harbor Active Small Cap ETF Annual Total Returns link:presentationLink link:definitionLink link:calculationLink 120060 - Disclosure - Harbor Active Small Cap ETF Average Annual Total Returns link:presentationLink link:definitionLink link:calculationLink 120070 - Disclosure - Harbor Active Small Cap ETF Market Index Performance link:presentationLink link:definitionLink link:calculationLink 110000 - Disclosure - Harbor Active Small Cap ETF N-1A Cover link:presentationLink link:definitionLink link:calculationLink 210001 - Disclosure - Harbor Active Small Cap Growth ETF Investment Objectives and Goals link:presentationLink link:definitionLink link:calculationLink 210002 - Disclosure - Harbor Active Small Cap Growth ETF Fees and Expenses link:presentationLink link:definitionLink link:calculationLink 210003 - Disclosure - Harbor Active Small Cap Growth ETF Investment Strategy link:presentationLink link:definitionLink link:calculationLink 210004 - Disclosure - Harbor Active Small Cap Growth ETF Investment Risks link:presentationLink link:definitionLink link:calculationLink 210005 - Disclosure - Harbor Active Small Cap Growth ETF Performance Management link:presentationLink link:definitionLink link:calculationLink 220010 - Disclosure - Harbor Active Small Cap Growth ETF Shareholder Fees link:presentationLink link:definitionLink link:calculationLink 220020 - Disclosure - Harbor Active Small Cap Growth ETF Annual Fund Operating Expenses link:presentationLink link:definitionLink link:calculationLink 220030 - Disclosure - Harbor Active Small Cap Growth ETF Expense Example link:presentationLink link:definitionLink link:calculationLink 220040 - Disclosure - Harbor Active Small Cap Growth ETF Expense Example, No Redemption link:presentationLink link:definitionLink link:calculationLink 220045 - Disclosure - Harbor Active Small Cap Growth ETF Risks Data link:presentationLink link:definitionLink link:calculationLink 220050 - Disclosure - Harbor Active Small Cap Growth ETF Annual Total Returns link:presentationLink link:definitionLink link:calculationLink 220060 - Disclosure - Harbor Active Small Cap Growth ETF Average Annual Total Returns link:presentationLink link:definitionLink link:calculationLink 220070 - Disclosure - Harbor Active Small Cap Growth ETF Market Index Performance link:presentationLink link:definitionLink link:calculationLink 210000 - Disclosure - Harbor Active Small Cap Growth ETF N-1A Cover link:presentationLink link:definitionLink link:calculationLink 310001 - Disclosure - Harbor AI Inflection Strategy ETF Investment Objectives and Goals link:presentationLink link:definitionLink link:calculationLink 310002 - Disclosure - Harbor AI Inflection Strategy ETF Fees and Expenses link:presentationLink link:definitionLink link:calculationLink 310003 - Disclosure - Harbor AI Inflection Strategy ETF Investment Strategy link:presentationLink link:definitionLink link:calculationLink 310004 - Disclosure - Harbor AI Inflection Strategy ETF Investment Risks link:presentationLink link:definitionLink link:calculationLink 310005 - Disclosure - Harbor AI Inflection Strategy ETF Performance Management link:presentationLink link:definitionLink link:calculationLink 320010 - Disclosure - Harbor AI Inflection Strategy ETF Shareholder Fees link:presentationLink link:definitionLink link:calculationLink 320020 - Disclosure - Harbor AI Inflection Strategy ETF Annual Fund Operating Expenses link:presentationLink link:definitionLink link:calculationLink 320030 - Disclosure - Harbor AI Inflection Strategy ETF Expense Example link:presentationLink link:definitionLink link:calculationLink 320040 - Disclosure - Harbor AI Inflection Strategy ETF Expense Example, No Redemption link:presentationLink link:definitionLink link:calculationLink 320045 - Disclosure - Harbor AI Inflection Strategy ETF Risks Data link:presentationLink link:definitionLink link:calculationLink 320050 - Disclosure - Harbor AI Inflection Strategy ETF Annual Total Returns link:presentationLink link:definitionLink link:calculationLink 320060 - Disclosure - Harbor AI Inflection Strategy ETF Average Annual Total Returns link:presentationLink link:definitionLink link:calculationLink 320070 - Disclosure - Harbor AI Inflection Strategy ETF Market Index Performance link:presentationLink link:definitionLink link:calculationLink 310000 - Disclosure - Harbor AI Inflection Strategy ETF N-1A Cover link:presentationLink link:definitionLink link:calculationLink 410001 - Disclosure - Harbor Alpha Layering ETF Investment Objectives and Goals link:presentationLink link:definitionLink link:calculationLink 410002 - Disclosure - Harbor Alpha Layering ETF Fees and Expenses link:presentationLink link:definitionLink link:calculationLink 410003 - Disclosure - Harbor Alpha Layering ETF Investment Strategy link:presentationLink link:definitionLink link:calculationLink 410004 - Disclosure - Harbor Alpha Layering ETF Investment Risks link:presentationLink link:definitionLink link:calculationLink 410005 - Disclosure - Harbor Alpha Layering ETF Performance Management link:presentationLink link:definitionLink link:calculationLink 420010 - Disclosure - Harbor Alpha Layering ETF Shareholder Fees link:presentationLink link:definitionLink link:calculationLink 420020 - Disclosure - Harbor Alpha Layering ETF Annual Fund Operating Expenses link:presentationLink link:definitionLink link:calculationLink 420030 - Disclosure - Harbor Alpha Layering ETF Expense Example link:presentationLink link:definitionLink link:calculationLink 420040 - Disclosure - Harbor Alpha Layering ETF Expense Example, No Redemption link:presentationLink link:definitionLink link:calculationLink 420045 - Disclosure - Harbor Alpha Layering ETF Risks Data link:presentationLink link:definitionLink link:calculationLink 420050 - Disclosure - Harbor Alpha Layering ETF Annual Total Returns link:presentationLink link:definitionLink link:calculationLink 420060 - Disclosure - Harbor Alpha Layering ETF Average Annual Total Returns link:presentationLink link:definitionLink link:calculationLink 420070 - Disclosure - Harbor Alpha Layering ETF Market Index Performance link:presentationLink link:definitionLink link:calculationLink 410000 - Disclosure - Harbor Alpha Layering ETF N-1A Cover link:presentationLink link:definitionLink link:calculationLink 510001 - Disclosure - Harbor AlphaEdge Large Cap Value ETF Investment Objectives and Goals link:presentationLink link:definitionLink link:calculationLink 510002 - Disclosure - Harbor AlphaEdge Large Cap Value ETF Fees and Expenses link:presentationLink link:definitionLink link:calculationLink 510003 - Disclosure - Harbor AlphaEdge Large Cap Value ETF Investment Strategy link:presentationLink link:definitionLink link:calculationLink 510004 - Disclosure - Harbor AlphaEdge Large Cap Value ETF Investment Risks link:presentationLink link:definitionLink link:calculationLink 510005 - Disclosure - Harbor AlphaEdge Large Cap Value ETF Performance Management link:presentationLink link:definitionLink link:calculationLink 520010 - Disclosure - Harbor AlphaEdge Large Cap Value ETF Shareholder Fees link:presentationLink link:definitionLink link:calculationLink 520020 - Disclosure - Harbor AlphaEdge Large Cap Value ETF Annual Fund Operating Expenses link:presentationLink link:definitionLink link:calculationLink 520030 - Disclosure - Harbor AlphaEdge Large Cap Value ETF Expense Example link:presentationLink link:definitionLink link:calculationLink 520040 - Disclosure - Harbor AlphaEdge Large Cap Value ETF Expense Example, No Redemption link:presentationLink link:definitionLink link:calculationLink 520045 - Disclosure - Harbor AlphaEdge Large Cap Value ETF Risks Data link:presentationLink link:definitionLink link:calculationLink 520050 - Disclosure - Harbor AlphaEdge Large Cap Value ETF Annual Total Returns link:presentationLink link:definitionLink link:calculationLink 520060 - Disclosure - Harbor AlphaEdge Large Cap Value ETF Average Annual Total Returns link:presentationLink link:definitionLink link:calculationLink 520070 - Disclosure - Harbor AlphaEdge Large Cap Value ETF Market Index Performance link:presentationLink link:definitionLink link:calculationLink 510000 - Disclosure - Harbor AlphaEdge Large Cap Value ETF N-1A Cover link:presentationLink link:definitionLink link:calculationLink 610001 - Disclosure - Harbor AlphaEdge Small Cap Earners ETF - EBIT Investment Objectives and Goals link:presentationLink link:definitionLink link:calculationLink 610002 - Disclosure - Harbor AlphaEdge Small Cap Earners ETF - EBIT Fees and Expenses link:presentationLink link:definitionLink link:calculationLink 610003 - Disclosure - Harbor AlphaEdge Small Cap Earners ETF - EBIT Investment Strategy link:presentationLink link:definitionLink link:calculationLink 610004 - Disclosure - Harbor AlphaEdge Small Cap Earners ETF - EBIT Investment Risks link:presentationLink link:definitionLink link:calculationLink 610005 - Disclosure - Harbor AlphaEdge Small Cap Earners ETF - EBIT Performance Management link:presentationLink link:definitionLink link:calculationLink 620010 - Disclosure - Harbor AlphaEdge Small Cap Earners ETF - EBIT Shareholder Fees link:presentationLink link:definitionLink link:calculationLink 620020 - Disclosure - Harbor AlphaEdge Small Cap Earners ETF - EBIT Annual Fund Operating Expenses link:presentationLink link:definitionLink link:calculationLink 620030 - Disclosure - Harbor AlphaEdge Small Cap Earners ETF - EBIT Expense Example link:presentationLink link:definitionLink link:calculationLink 620040 - Disclosure - Harbor AlphaEdge Small Cap Earners ETF - EBIT Expense Example, No Redemption link:presentationLink link:definitionLink link:calculationLink 620045 - Disclosure - Harbor AlphaEdge Small Cap Earners ETF - EBIT Risks Data link:presentationLink link:definitionLink link:calculationLink 620050 - Disclosure - Harbor AlphaEdge Small Cap Earners ETF - EBIT Annual Total Returns link:presentationLink link:definitionLink link:calculationLink 620060 - Disclosure - Harbor AlphaEdge Small Cap Earners ETF - EBIT Average Annual Total Returns link:presentationLink link:definitionLink link:calculationLink 620070 - Disclosure - Harbor AlphaEdge Small Cap Earners ETF - EBIT Market Index Performance link:presentationLink link:definitionLink link:calculationLink 610000 - Disclosure - Harbor AlphaEdge Small Cap Earners ETF - EBIT N-1A Cover link:presentationLink link:definitionLink link:calculationLink 710001 - Disclosure - Harbor Ares Systematic High-Yield ETF Investment Objectives and Goals link:presentationLink link:definitionLink link:calculationLink 710002 - Disclosure - Harbor Ares Systematic High-Yield ETF Fees and Expenses link:presentationLink link:definitionLink link:calculationLink 710003 - Disclosure - Harbor Ares Systematic High-Yield ETF Investment Strategy link:presentationLink link:definitionLink link:calculationLink 710004 - Disclosure - Harbor Ares Systematic High-Yield ETF Investment Risks link:presentationLink link:definitionLink link:calculationLink 710005 - Disclosure - Harbor Ares Systematic High-Yield ETF Performance Management link:presentationLink link:definitionLink link:calculationLink 720010 - Disclosure - Harbor Ares Systematic High-Yield ETF Shareholder Fees link:presentationLink link:definitionLink link:calculationLink 720020 - Disclosure - Harbor Ares Systematic High-Yield ETF Annual Fund Operating Expenses link:presentationLink link:definitionLink link:calculationLink 720030 - Disclosure - Harbor Ares Systematic High-Yield ETF Expense Example link:presentationLink link:definitionLink link:calculationLink 720040 - Disclosure - Harbor Ares Systematic High-Yield ETF Expense Example, No Redemption link:presentationLink link:definitionLink link:calculationLink 720045 - Disclosure - Harbor Ares Systematic High-Yield ETF Risks Data link:presentationLink link:definitionLink link:calculationLink 720050 - Disclosure - Harbor Ares Systematic High-Yield ETF Annual Total Returns link:presentationLink link:definitionLink link:calculationLink 720060 - Disclosure - Harbor Ares Systematic High-Yield ETF Average Annual Total Returns link:presentationLink link:definitionLink link:calculationLink 720070 - Disclosure - Harbor Ares Systematic High-Yield ETF Market Index Performance link:presentationLink link:definitionLink link:calculationLink 710000 - Disclosure - Harbor Ares Systematic High-Yield ETF N-1A Cover link:presentationLink link:definitionLink link:calculationLink 810001 - Disclosure - Harbor Ares Systematic Multi-Sector Income ETF Investment Objectives and Goals link:presentationLink link:definitionLink link:calculationLink 810002 - Disclosure - Harbor Ares Systematic Multi-Sector Income ETF Fees and Expenses link:presentationLink link:definitionLink link:calculationLink 810003 - Disclosure - Harbor Ares Systematic Multi-Sector Income ETF Investment Strategy link:presentationLink link:definitionLink link:calculationLink 810004 - Disclosure - Harbor Ares Systematic Multi-Sector Income ETF Investment Risks link:presentationLink link:definitionLink link:calculationLink 810005 - Disclosure - Harbor Ares Systematic Multi-Sector Income ETF Performance Management link:presentationLink link:definitionLink link:calculationLink 820010 - Disclosure - Harbor Ares Systematic Multi-Sector Income ETF Shareholder Fees link:presentationLink link:definitionLink link:calculationLink 820020 - Disclosure - Harbor Ares Systematic Multi-Sector Income ETF Annual Fund Operating Expenses link:presentationLink link:definitionLink link:calculationLink 820030 - Disclosure - Harbor Ares Systematic Multi-Sector Income ETF Expense Example link:presentationLink link:definitionLink link:calculationLink 820040 - Disclosure - Harbor Ares Systematic Multi-Sector Income ETF Expense Example, No Redemption link:presentationLink link:definitionLink link:calculationLink 820045 - Disclosure - Harbor Ares Systematic Multi-Sector Income ETF Risks Data link:presentationLink link:definitionLink link:calculationLink 820050 - Disclosure - Harbor Ares Systematic Multi-Sector Income ETF Annual Total Returns link:presentationLink link:definitionLink link:calculationLink 820060 - Disclosure - Harbor Ares Systematic Multi-Sector Income ETF Average Annual Total Returns link:presentationLink link:definitionLink link:calculationLink 820070 - Disclosure - Harbor Ares Systematic Multi-Sector Income ETF Market Index Performance link:presentationLink link:definitionLink link:calculationLink 810000 - Disclosure - Harbor Ares Systematic Multi-Sector Income ETF N-1A Cover link:presentationLink link:definitionLink link:calculationLink 910001 - Disclosure - Harbor Commodity All-Weather Strategy ETF Investment Objectives and Goals link:presentationLink link:definitionLink link:calculationLink 910002 - Disclosure - Harbor Commodity All-Weather Strategy ETF Fees and Expenses link:presentationLink link:definitionLink link:calculationLink 910003 - Disclosure - Harbor Commodity All-Weather Strategy ETF Investment Strategy link:presentationLink link:definitionLink link:calculationLink 910004 - Disclosure - Harbor Commodity All-Weather Strategy ETF Investment Risks link:presentationLink link:definitionLink link:calculationLink 910005 - Disclosure - Harbor Commodity All-Weather Strategy ETF Performance Management link:presentationLink link:definitionLink link:calculationLink 920010 - Disclosure - Harbor Commodity All-Weather Strategy ETF Shareholder Fees link:presentationLink link:definitionLink link:calculationLink 920020 - Disclosure - Harbor Commodity All-Weather Strategy ETF Annual Fund Operating Expenses link:presentationLink link:definitionLink link:calculationLink 920030 - Disclosure - Harbor Commodity All-Weather Strategy ETF Expense Example link:presentationLink link:definitionLink link:calculationLink 920040 - Disclosure - Harbor Commodity All-Weather Strategy ETF Expense Example, No Redemption link:presentationLink link:definitionLink link:calculationLink 920045 - Disclosure - Harbor Commodity All-Weather Strategy ETF Risks Data link:presentationLink link:definitionLink link:calculationLink 920050 - Disclosure - Harbor Commodity All-Weather Strategy ETF Annual Total Returns link:presentationLink link:definitionLink link:calculationLink 920060 - Disclosure - Harbor Commodity All-Weather Strategy ETF Average Annual Total Returns link:presentationLink link:definitionLink link:calculationLink 920070 - Disclosure - Harbor Commodity All-Weather Strategy ETF Market Index Performance link:presentationLink link:definitionLink link:calculationLink 910000 - Disclosure - Harbor Commodity All-Weather Strategy ETF N-1A Cover link:presentationLink link:definitionLink link:calculationLink 1010001 - Disclosure - Harbor Disciplined Bond ETF Investment Objectives and Goals link:presentationLink link:definitionLink link:calculationLink 1010002 - Disclosure - Harbor Disciplined Bond ETF Fees and Expenses link:presentationLink link:definitionLink link:calculationLink 1010003 - Disclosure - Harbor Disciplined Bond ETF Investment Strategy link:presentationLink link:definitionLink link:calculationLink 1010004 - Disclosure - Harbor Disciplined Bond ETF Investment Risks link:presentationLink link:definitionLink link:calculationLink 1010005 - Disclosure - Harbor Disciplined Bond ETF Performance Management link:presentationLink link:definitionLink link:calculationLink 1020010 - Disclosure - Harbor Disciplined Bond ETF Shareholder Fees link:presentationLink link:definitionLink link:calculationLink 1020020 - Disclosure - Harbor Disciplined Bond ETF Annual Fund Operating Expenses link:presentationLink link:definitionLink link:calculationLink 1020030 - Disclosure - Harbor Disciplined Bond ETF Expense Example link:presentationLink link:definitionLink link:calculationLink 1020040 - Disclosure - Harbor Disciplined Bond ETF Expense Example, No Redemption link:presentationLink link:definitionLink link:calculationLink 1020045 - Disclosure - Harbor Disciplined Bond ETF Risks Data link:presentationLink link:definitionLink link:calculationLink 1020050 - Disclosure - Harbor Disciplined Bond ETF Annual Total Returns link:presentationLink link:definitionLink link:calculationLink 1020060 - Disclosure - Harbor Disciplined Bond ETF Average Annual Total Returns link:presentationLink link:definitionLink link:calculationLink 1020070 - Disclosure - Harbor Disciplined Bond ETF Market Index Performance link:presentationLink link:definitionLink link:calculationLink 1010000 - Disclosure - Harbor Disciplined Bond ETF N-1A Cover link:presentationLink link:definitionLink link:calculationLink 1110001 - Disclosure - Harbor Dividend Growth Leaders ETF Investment Objectives and Goals link:presentationLink link:definitionLink link:calculationLink 1110002 - Disclosure - Harbor Dividend Growth Leaders ETF Fees and Expenses link:presentationLink link:definitionLink link:calculationLink 1110003 - Disclosure - Harbor Dividend Growth Leaders ETF Investment Strategy link:presentationLink link:definitionLink link:calculationLink 1110004 - Disclosure - Harbor Dividend Growth Leaders ETF Investment Risks link:presentationLink link:definitionLink link:calculationLink 1110005 - Disclosure - Harbor Dividend Growth Leaders ETF Performance Management link:presentationLink link:definitionLink link:calculationLink 1120010 - Disclosure - Harbor Dividend Growth Leaders ETF Shareholder Fees link:presentationLink link:definitionLink link:calculationLink 1120020 - Disclosure - Harbor Dividend Growth Leaders ETF Annual Fund Operating Expenses link:presentationLink link:definitionLink link:calculationLink 1120030 - Disclosure - Harbor Dividend Growth Leaders ETF Expense Example link:presentationLink link:definitionLink link:calculationLink 1120040 - Disclosure - Harbor Dividend Growth Leaders ETF Expense Example, No Redemption link:presentationLink link:definitionLink link:calculationLink 1120045 - Disclosure - Harbor Dividend Growth Leaders ETF Risks Data link:presentationLink link:definitionLink link:calculationLink 1120050 - Disclosure - Harbor Dividend Growth Leaders ETF Annual Total Returns link:presentationLink link:definitionLink link:calculationLink 1120060 - Disclosure - Harbor Dividend Growth Leaders ETF Average Annual Total Returns link:presentationLink link:definitionLink link:calculationLink 1120070 - Disclosure - Harbor Dividend Growth Leaders ETF Market Index Performance link:presentationLink link:definitionLink link:calculationLink 1110000 - Disclosure - Harbor Dividend Growth Leaders ETF N-1A Cover link:presentationLink link:definitionLink link:calculationLink 1210001 - Disclosure - Harbor Emerging Markets Equity ETF Investment Objectives and Goals link:presentationLink link:definitionLink link:calculationLink 1210002 - Disclosure - Harbor Emerging Markets Equity ETF Fees and Expenses link:presentationLink link:definitionLink link:calculationLink 1210003 - Disclosure - Harbor Emerging Markets Equity ETF Investment Strategy link:presentationLink link:definitionLink link:calculationLink 1210004 - Disclosure - Harbor Emerging Markets Equity ETF Investment Risks link:presentationLink link:definitionLink link:calculationLink 1210005 - Disclosure - Harbor Emerging Markets Equity ETF Performance Management link:presentationLink link:definitionLink link:calculationLink 1220010 - Disclosure - Harbor Emerging Markets Equity ETF Shareholder Fees link:presentationLink link:definitionLink link:calculationLink 1220020 - Disclosure - Harbor Emerging Markets Equity ETF Annual Fund Operating Expenses link:presentationLink link:definitionLink link:calculationLink 1220030 - Disclosure - Harbor Emerging Markets Equity ETF Expense Example link:presentationLink link:definitionLink link:calculationLink 1220040 - Disclosure - Harbor Emerging Markets Equity ETF Expense Example, No Redemption link:presentationLink link:definitionLink link:calculationLink 1220045 - Disclosure - Harbor Emerging Markets Equity ETF Risks Data link:presentationLink link:definitionLink link:calculationLink 1220050 - Disclosure - Harbor Emerging Markets Equity ETF Annual Total Returns link:presentationLink link:definitionLink link:calculationLink 1220060 - Disclosure - Harbor Emerging Markets Equity ETF Average Annual Total Returns link:presentationLink link:definitionLink link:calculationLink 1220070 - Disclosure - Harbor Emerging Markets Equity ETF Market Index Performance link:presentationLink link:definitionLink link:calculationLink 1210000 - Disclosure - Harbor Emerging Markets Equity ETF N-1A Cover link:presentationLink link:definitionLink link:calculationLink 1310001 - Disclosure - Harbor Emerging Markets Select ETF Investment Objectives and Goals link:presentationLink link:definitionLink link:calculationLink 1310002 - Disclosure - Harbor Emerging Markets Select ETF Fees and Expenses link:presentationLink link:definitionLink link:calculationLink 1310003 - Disclosure - Harbor Emerging Markets Select ETF Investment Strategy link:presentationLink link:definitionLink link:calculationLink 1310004 - Disclosure - Harbor Emerging Markets Select ETF Investment Risks link:presentationLink link:definitionLink link:calculationLink 1310005 - Disclosure - Harbor Emerging Markets Select ETF Performance Management link:presentationLink link:definitionLink link:calculationLink 1320010 - Disclosure - Harbor Emerging Markets Select ETF Shareholder Fees link:presentationLink link:definitionLink link:calculationLink 1320020 - Disclosure - Harbor Emerging Markets Select ETF Annual Fund Operating Expenses link:presentationLink link:definitionLink link:calculationLink 1320030 - Disclosure - Harbor Emerging Markets Select ETF Expense Example link:presentationLink link:definitionLink link:calculationLink 1320040 - Disclosure - Harbor Emerging Markets Select ETF Expense Example, No Redemption link:presentationLink link:definitionLink link:calculationLink 1320045 - Disclosure - Harbor Emerging Markets Select ETF Risks Data link:presentationLink link:definitionLink link:calculationLink 1320050 - Disclosure - Harbor Emerging Markets Select ETF Annual Total Returns link:presentationLink link:definitionLink link:calculationLink 1320060 - Disclosure - Harbor Emerging Markets Select ETF Average Annual Total Returns link:presentationLink link:definitionLink link:calculationLink 1320070 - Disclosure - Harbor Emerging Markets Select ETF Market Index Performance link:presentationLink link:definitionLink link:calculationLink 1310000 - Disclosure - Harbor Emerging Markets Select ETF N-1A Cover link:presentationLink link:definitionLink link:calculationLink 1410001 - Disclosure - Harbor Health Care ETF Investment Objectives and Goals link:presentationLink link:definitionLink link:calculationLink 1410002 - Disclosure - Harbor Health Care ETF Fees and Expenses link:presentationLink link:definitionLink link:calculationLink 1410003 - Disclosure - Harbor Health Care ETF Investment Strategy link:presentationLink link:definitionLink link:calculationLink 1410004 - Disclosure - Harbor Health Care ETF Investment Risks link:presentationLink link:definitionLink link:calculationLink 1410005 - Disclosure - Harbor Health Care ETF Performance Management link:presentationLink link:definitionLink link:calculationLink 1420010 - Disclosure - Harbor Health Care ETF Shareholder Fees link:presentationLink link:definitionLink link:calculationLink 1420020 - Disclosure - Harbor Health Care ETF Annual Fund Operating Expenses link:presentationLink link:definitionLink link:calculationLink 1420030 - Disclosure - Harbor Health Care ETF Expense Example link:presentationLink link:definitionLink link:calculationLink 1420040 - Disclosure - Harbor Health Care ETF Expense Example, No Redemption link:presentationLink link:definitionLink link:calculationLink 1420045 - Disclosure - Harbor Health Care ETF Risks Data link:presentationLink link:definitionLink link:calculationLink 1420050 - Disclosure - Harbor Health Care ETF Annual Total Returns link:presentationLink link:definitionLink link:calculationLink 1420060 - Disclosure - Harbor Health Care ETF Average Annual Total Returns link:presentationLink link:definitionLink link:calculationLink 1420070 - Disclosure - Harbor Health Care ETF Market Index Performance link:presentationLink link:definitionLink link:calculationLink 1410000 - Disclosure - Harbor Health Care ETF N-1A Cover link:presentationLink link:definitionLink link:calculationLink 1510001 - Disclosure - Harbor Human Capital Factor US Large Cap ETF Investment Objectives and Goals link:presentationLink link:definitionLink link:calculationLink 1510002 - Disclosure - Harbor Human Capital Factor US Large Cap ETF Fees and Expenses link:presentationLink link:definitionLink link:calculationLink 1510003 - Disclosure - Harbor Human Capital Factor US Large Cap ETF Investment Strategy link:presentationLink link:definitionLink link:calculationLink 1510004 - Disclosure - Harbor Human Capital Factor US Large Cap ETF Investment Risks link:presentationLink link:definitionLink link:calculationLink 1510005 - Disclosure - Harbor Human Capital Factor US Large Cap ETF Performance Management link:presentationLink link:definitionLink link:calculationLink 1520010 - Disclosure - Harbor Human Capital Factor US Large Cap ETF Shareholder Fees link:presentationLink link:definitionLink link:calculationLink 1520020 - Disclosure - Harbor Human Capital Factor US Large Cap ETF Annual Fund Operating Expenses link:presentationLink link:definitionLink link:calculationLink 1520030 - Disclosure - Harbor Human Capital Factor US Large Cap ETF Expense Example link:presentationLink link:definitionLink link:calculationLink 1520040 - Disclosure - Harbor Human Capital Factor US Large Cap ETF Expense Example, No Redemption link:presentationLink link:definitionLink link:calculationLink 1520045 - Disclosure - Harbor Human Capital Factor US Large Cap ETF Risks Data link:presentationLink link:definitionLink link:calculationLink 1520050 - Disclosure - Harbor Human Capital Factor US Large Cap ETF Annual Total Returns link:presentationLink link:definitionLink link:calculationLink 1520060 - Disclosure - Harbor Human Capital Factor US Large Cap ETF Average Annual Total Returns link:presentationLink link:definitionLink link:calculationLink 1520070 - Disclosure - Harbor Human Capital Factor US Large Cap ETF Market Index Performance link:presentationLink link:definitionLink link:calculationLink 1510000 - Disclosure - Harbor Human Capital Factor US Large Cap ETF N-1A Cover link:presentationLink link:definitionLink link:calculationLink 1610001 - Disclosure - Harbor Human Capital Factor US Small Cap ETF Investment Objectives and Goals link:presentationLink link:definitionLink link:calculationLink 1610002 - Disclosure - Harbor Human Capital Factor US Small Cap ETF Fees and Expenses link:presentationLink link:definitionLink link:calculationLink 1610003 - Disclosure - Harbor Human Capital Factor US Small Cap ETF Investment Strategy link:presentationLink link:definitionLink link:calculationLink 1610004 - Disclosure - Harbor Human Capital Factor US Small Cap ETF Investment Risks link:presentationLink link:definitionLink link:calculationLink 1610005 - Disclosure - Harbor Human Capital Factor US Small Cap ETF Performance Management link:presentationLink link:definitionLink link:calculationLink 1620010 - Disclosure - Harbor Human Capital Factor US Small Cap ETF Shareholder Fees link:presentationLink link:definitionLink link:calculationLink 1620020 - Disclosure - Harbor Human Capital Factor US Small Cap ETF Annual Fund Operating Expenses link:presentationLink link:definitionLink link:calculationLink 1620030 - Disclosure - Harbor Human Capital Factor US Small Cap ETF Expense Example link:presentationLink link:definitionLink link:calculationLink 1620040 - Disclosure - Harbor Human Capital Factor US Small Cap ETF Expense Example, No Redemption link:presentationLink link:definitionLink link:calculationLink 1620045 - Disclosure - Harbor Human Capital Factor US Small Cap ETF Risks Data link:presentationLink link:definitionLink link:calculationLink 1620050 - Disclosure - Harbor Human Capital Factor US Small Cap ETF Annual Total Returns link:presentationLink link:definitionLink link:calculationLink 1620060 - Disclosure - Harbor Human Capital Factor US Small Cap ETF Average Annual Total Returns link:presentationLink link:definitionLink link:calculationLink 1620070 - Disclosure - Harbor Human Capital Factor US Small Cap ETF Market Index Performance link:presentationLink link:definitionLink link:calculationLink 1610000 - Disclosure - Harbor Human Capital Factor US Small Cap ETF N-1A Cover link:presentationLink link:definitionLink link:calculationLink 1710001 - Disclosure - Harbor International Compounders ETF Investment Objectives and Goals link:presentationLink link:definitionLink link:calculationLink 1710002 - Disclosure - Harbor International Compounders ETF Fees and Expenses link:presentationLink link:definitionLink link:calculationLink 1710003 - Disclosure - Harbor International Compounders ETF Investment Strategy link:presentationLink link:definitionLink link:calculationLink 1710004 - Disclosure - Harbor International Compounders ETF Investment Risks link:presentationLink link:definitionLink link:calculationLink 1710005 - Disclosure - Harbor International Compounders ETF Performance Management link:presentationLink link:definitionLink link:calculationLink 1720010 - Disclosure - Harbor International Compounders ETF Shareholder Fees link:presentationLink link:definitionLink link:calculationLink 1720020 - Disclosure - Harbor International Compounders ETF Annual Fund Operating Expenses link:presentationLink link:definitionLink link:calculationLink 1720030 - Disclosure - Harbor International Compounders ETF Expense Example link:presentationLink link:definitionLink link:calculationLink 1720040 - Disclosure - Harbor International Compounders ETF Expense Example, No Redemption link:presentationLink link:definitionLink link:calculationLink 1720045 - Disclosure - Harbor International Compounders ETF Risks Data link:presentationLink link:definitionLink link:calculationLink 1720050 - Disclosure - Harbor International Compounders ETF Annual Total Returns link:presentationLink link:definitionLink link:calculationLink 1720060 - Disclosure - Harbor International Compounders ETF Average Annual Total Returns link:presentationLink link:definitionLink link:calculationLink 1720070 - Disclosure - Harbor International Compounders ETF Market Index Performance link:presentationLink link:definitionLink link:calculationLink 1710000 - Disclosure - Harbor International Compounders ETF N-1A Cover link:presentationLink link:definitionLink link:calculationLink 1810001 - Disclosure - Harbor International Equity ETF Investment Objectives and Goals link:presentationLink link:definitionLink link:calculationLink 1810002 - Disclosure - Harbor International Equity ETF Fees and Expenses link:presentationLink link:definitionLink link:calculationLink 1810003 - Disclosure - Harbor International Equity ETF Investment Strategy link:presentationLink link:definitionLink link:calculationLink 1810004 - Disclosure - Harbor International Equity ETF Investment Risks link:presentationLink link:definitionLink link:calculationLink 1810005 - Disclosure - Harbor International Equity ETF Performance Management link:presentationLink link:definitionLink link:calculationLink 1820010 - Disclosure - Harbor International Equity ETF Shareholder Fees link:presentationLink link:definitionLink link:calculationLink 1820020 - Disclosure - Harbor International Equity ETF Annual Fund Operating Expenses link:presentationLink link:definitionLink link:calculationLink 1820030 - Disclosure - Harbor International Equity ETF Expense Example link:presentationLink link:definitionLink link:calculationLink 1820040 - Disclosure - Harbor International Equity ETF Expense Example, No Redemption link:presentationLink link:definitionLink link:calculationLink 1820045 - Disclosure - Harbor International Equity ETF Risks Data link:presentationLink link:definitionLink link:calculationLink 1820050 - Disclosure - Harbor International Equity ETF Annual Total Returns link:presentationLink link:definitionLink link:calculationLink 1820060 - Disclosure - Harbor International Equity ETF Average Annual Total Returns link:presentationLink link:definitionLink link:calculationLink 1820070 - Disclosure - Harbor International Equity ETF Market Index Performance link:presentationLink link:definitionLink link:calculationLink 1810000 - Disclosure - Harbor International Equity ETF N-1A Cover link:presentationLink link:definitionLink link:calculationLink 1910001 - Disclosure - Harbor Long-Short Equity ETF Investment Objectives and Goals link:presentationLink link:definitionLink link:calculationLink 1910002 - Disclosure - Harbor Long-Short Equity ETF Fees and Expenses link:presentationLink link:definitionLink link:calculationLink 1910003 - Disclosure - Harbor Long-Short Equity ETF Investment Strategy link:presentationLink link:definitionLink link:calculationLink 1910004 - Disclosure - Harbor Long-Short Equity ETF Investment Risks link:presentationLink link:definitionLink link:calculationLink 1910005 - Disclosure - Harbor Long-Short Equity ETF Performance Management link:presentationLink link:definitionLink link:calculationLink 1920010 - Disclosure - Harbor Long-Short Equity ETF Shareholder Fees link:presentationLink link:definitionLink link:calculationLink 1920020 - Disclosure - Harbor Long-Short Equity ETF Annual Fund Operating Expenses link:presentationLink link:definitionLink link:calculationLink 1920030 - Disclosure - Harbor Long-Short Equity ETF Expense Example link:presentationLink link:definitionLink link:calculationLink 1920040 - Disclosure - Harbor Long-Short Equity ETF Expense Example, No Redemption link:presentationLink link:definitionLink link:calculationLink 1920045 - Disclosure - Harbor Long-Short Equity ETF Risks Data link:presentationLink link:definitionLink link:calculationLink 1920050 - Disclosure - Harbor Long-Short Equity ETF Annual Total Returns link:presentationLink link:definitionLink link:calculationLink 1920060 - Disclosure - Harbor Long-Short Equity ETF Average Annual Total Returns link:presentationLink link:definitionLink link:calculationLink 1920070 - Disclosure - Harbor Long-Short Equity ETF Market Index Performance link:presentationLink link:definitionLink link:calculationLink 1910000 - Disclosure - Harbor Long-Short Equity ETF N-1A Cover link:presentationLink link:definitionLink link:calculationLink 2010001 - Disclosure - Harbor Long-Term Growers ETF Investment Objectives and Goals link:presentationLink link:definitionLink link:calculationLink 2010002 - Disclosure - Harbor Long-Term Growers ETF Fees and Expenses link:presentationLink link:definitionLink link:calculationLink 2010003 - Disclosure - Harbor Long-Term Growers ETF Investment Strategy link:presentationLink link:definitionLink link:calculationLink 2010004 - Disclosure - Harbor Long-Term Growers ETF Investment Risks link:presentationLink link:definitionLink link:calculationLink 2010005 - Disclosure - Harbor Long-Term Growers ETF Performance Management link:presentationLink link:definitionLink link:calculationLink 2020010 - Disclosure - Harbor Long-Term Growers ETF Shareholder Fees link:presentationLink link:definitionLink link:calculationLink 2020020 - Disclosure - Harbor Long-Term Growers ETF Annual Fund Operating Expenses link:presentationLink link:definitionLink link:calculationLink 2020030 - Disclosure - Harbor Long-Term Growers ETF Expense Example link:presentationLink link:definitionLink link:calculationLink 2020040 - Disclosure - Harbor Long-Term Growers ETF Expense Example, No Redemption link:presentationLink link:definitionLink link:calculationLink 2020045 - Disclosure - Harbor Long-Term Growers ETF Risks Data link:presentationLink link:definitionLink link:calculationLink 2020050 - Disclosure - Harbor Long-Term Growers ETF Annual Total Returns link:presentationLink link:definitionLink link:calculationLink 2020060 - Disclosure - Harbor Long-Term Growers ETF Average Annual Total Returns link:presentationLink link:definitionLink link:calculationLink 2020070 - Disclosure - Harbor Long-Term Growers ETF Market Index Performance link:presentationLink link:definitionLink link:calculationLink 2010000 - Disclosure - Harbor Long-Term Growers ETF N-1A Cover link:presentationLink link:definitionLink link:calculationLink 2110001 - Disclosure - Harbor Mid Cap Core ETF Investment Objectives and Goals link:presentationLink link:definitionLink link:calculationLink 2110002 - Disclosure - Harbor Mid Cap Core ETF Fees and Expenses link:presentationLink link:definitionLink link:calculationLink 2110003 - Disclosure - Harbor Mid Cap Core ETF Investment Strategy link:presentationLink link:definitionLink link:calculationLink 2110004 - Disclosure - Harbor Mid Cap Core ETF Investment Risks link:presentationLink link:definitionLink link:calculationLink 2110005 - Disclosure - Harbor Mid Cap Core ETF Performance Management link:presentationLink link:definitionLink link:calculationLink 2120010 - Disclosure - Harbor Mid Cap Core ETF Shareholder Fees link:presentationLink link:definitionLink link:calculationLink 2120020 - Disclosure - Harbor Mid Cap Core ETF Annual Fund Operating Expenses link:presentationLink link:definitionLink link:calculationLink 2120030 - Disclosure - Harbor Mid Cap Core ETF Expense Example link:presentationLink link:definitionLink link:calculationLink 2120040 - Disclosure - Harbor Mid Cap Core ETF Expense Example, No Redemption link:presentationLink link:definitionLink link:calculationLink 2120045 - Disclosure - Harbor Mid Cap Core ETF Risks Data link:presentationLink link:definitionLink link:calculationLink 2120050 - Disclosure - Harbor Mid Cap Core ETF Annual Total Returns link:presentationLink link:definitionLink link:calculationLink 2120060 - Disclosure - Harbor Mid Cap Core ETF Average Annual Total Returns link:presentationLink link:definitionLink link:calculationLink 2120070 - Disclosure - Harbor Mid Cap Core ETF Market Index Performance link:presentationLink link:definitionLink link:calculationLink 2110000 - Disclosure - Harbor Mid Cap Core ETF N-1A Cover link:presentationLink link:definitionLink link:calculationLink 2210001 - Disclosure - Harbor Mid Cap Value ETF Investment Objectives and Goals link:presentationLink link:definitionLink link:calculationLink 2210002 - Disclosure - Harbor Mid Cap Value ETF Fees and Expenses link:presentationLink link:definitionLink link:calculationLink 2210003 - Disclosure - Harbor Mid Cap Value ETF Investment Strategy link:presentationLink link:definitionLink link:calculationLink 2210004 - Disclosure - Harbor Mid Cap Value ETF Investment Risks link:presentationLink link:definitionLink link:calculationLink 2210005 - Disclosure - Harbor Mid Cap Value ETF Performance Management link:presentationLink link:definitionLink link:calculationLink 2220010 - Disclosure - Harbor Mid Cap Value ETF Shareholder Fees link:presentationLink link:definitionLink link:calculationLink 2220020 - Disclosure - Harbor Mid Cap Value ETF Annual Fund Operating Expenses link:presentationLink link:definitionLink link:calculationLink 2220030 - Disclosure - Harbor Mid Cap Value ETF Expense Example link:presentationLink link:definitionLink link:calculationLink 2220040 - Disclosure - Harbor Mid Cap Value ETF Expense Example, No Redemption link:presentationLink link:definitionLink link:calculationLink 2220045 - Disclosure - Harbor Mid Cap Value ETF Risks Data link:presentationLink link:definitionLink link:calculationLink 2220050 - Disclosure - Harbor Mid Cap Value ETF Annual Total Returns link:presentationLink link:definitionLink link:calculationLink 2220060 - Disclosure - Harbor Mid Cap Value ETF Average Annual Total Returns link:presentationLink link:definitionLink link:calculationLink 2220070 - Disclosure - Harbor Mid Cap Value ETF Market Index Performance link:presentationLink link:definitionLink link:calculationLink 2210000 - Disclosure - Harbor Mid Cap Value ETF N-1A Cover link:presentationLink link:definitionLink link:calculationLink 2310001 - Disclosure - Harbor Multi-Asset Explorer ETF Investment Objectives and Goals link:presentationLink link:definitionLink link:calculationLink 2310002 - Disclosure - Harbor Multi-Asset Explorer ETF Fees and Expenses link:presentationLink link:definitionLink link:calculationLink 2310003 - Disclosure - Harbor Multi-Asset Explorer ETF Investment Strategy link:presentationLink link:definitionLink link:calculationLink 2310004 - Disclosure - Harbor Multi-Asset Explorer ETF Investment Risks link:presentationLink link:definitionLink link:calculationLink 2310005 - Disclosure - Harbor Multi-Asset Explorer ETF Performance Management link:presentationLink link:definitionLink link:calculationLink 2320010 - Disclosure - Harbor Multi-Asset Explorer ETF Shareholder Fees link:presentationLink link:definitionLink link:calculationLink 2320020 - Disclosure - Harbor Multi-Asset Explorer ETF Annual Fund Operating Expenses link:presentationLink link:definitionLink link:calculationLink 2320030 - Disclosure - Harbor Multi-Asset Explorer ETF Expense Example link:presentationLink link:definitionLink link:calculationLink 2320040 - Disclosure - Harbor Multi-Asset Explorer ETF Expense Example, No Redemption link:presentationLink link:definitionLink link:calculationLink 2320045 - Disclosure - Harbor Multi-Asset Explorer ETF Risks Data link:presentationLink link:definitionLink link:calculationLink 2320050 - Disclosure - Harbor Multi-Asset Explorer ETF Annual Total Returns link:presentationLink link:definitionLink link:calculationLink 2320060 - Disclosure - Harbor Multi-Asset Explorer ETF Average Annual Total Returns link:presentationLink link:definitionLink link:calculationLink 2320070 - Disclosure - Harbor Multi-Asset Explorer ETF Market Index Performance link:presentationLink link:definitionLink link:calculationLink 2310000 - Disclosure - Harbor Multi-Asset Explorer ETF N-1A Cover link:presentationLink link:definitionLink link:calculationLink 2410001 - Disclosure - Harbor Osmosis Emerging Markets Resource Efficient ETF Investment Objectives and Goals link:presentationLink link:definitionLink link:calculationLink 2410002 - Disclosure - Harbor Osmosis Emerging Markets Resource Efficient ETF Fees and Expenses link:presentationLink link:definitionLink link:calculationLink 2410003 - Disclosure - Harbor Osmosis Emerging Markets Resource Efficient ETF Investment Strategy link:presentationLink link:definitionLink link:calculationLink 2410004 - Disclosure - Harbor Osmosis Emerging Markets Resource Efficient ETF Investment Risks link:presentationLink link:definitionLink link:calculationLink 2410005 - Disclosure - Harbor Osmosis Emerging Markets Resource Efficient ETF Performance Management link:presentationLink link:definitionLink link:calculationLink 2420010 - Disclosure - Harbor Osmosis Emerging Markets Resource Efficient ETF Shareholder Fees link:presentationLink link:definitionLink link:calculationLink 2420020 - Disclosure - Harbor Osmosis Emerging Markets Resource Efficient ETF Annual Fund Operating Expenses link:presentationLink link:definitionLink link:calculationLink 2420030 - Disclosure - Harbor Osmosis Emerging Markets Resource Efficient ETF Expense Example link:presentationLink link:definitionLink link:calculationLink 2420040 - Disclosure - Harbor Osmosis Emerging Markets Resource Efficient ETF Expense Example, No Redemption link:presentationLink link:definitionLink link:calculationLink 2420045 - Disclosure - Harbor Osmosis Emerging Markets Resource Efficient ETF Risks Data link:presentationLink link:definitionLink link:calculationLink 2420050 - Disclosure - Harbor Osmosis Emerging Markets Resource Efficient ETF Annual Total Returns link:presentationLink link:definitionLink link:calculationLink 2420060 - Disclosure - Harbor Osmosis Emerging Markets Resource Efficient ETF Average Annual Total Returns link:presentationLink link:definitionLink link:calculationLink 2420070 - Disclosure - Harbor Osmosis Emerging Markets Resource Efficient ETF Market Index Performance link:presentationLink link:definitionLink link:calculationLink 2410000 - Disclosure - Harbor Osmosis Emerging Markets Resource Efficient ETF N-1A Cover link:presentationLink link:definitionLink link:calculationLink 2510001 - Disclosure - Harbor Osmosis International Resource Efficient ETF Investment Objectives and Goals link:presentationLink link:definitionLink link:calculationLink 2510002 - Disclosure - Harbor Osmosis International Resource Efficient ETF Fees and Expenses link:presentationLink link:definitionLink link:calculationLink 2510003 - Disclosure - Harbor Osmosis International Resource Efficient ETF Investment Strategy link:presentationLink link:definitionLink link:calculationLink 2510004 - Disclosure - Harbor Osmosis International Resource Efficient ETF Investment Risks link:presentationLink link:definitionLink link:calculationLink 2510005 - Disclosure - Harbor Osmosis International Resource Efficient ETF Performance Management link:presentationLink link:definitionLink link:calculationLink 2520010 - Disclosure - Harbor Osmosis International Resource Efficient ETF Shareholder Fees link:presentationLink link:definitionLink link:calculationLink 2520020 - Disclosure - Harbor Osmosis International Resource Efficient ETF Annual Fund Operating Expenses link:presentationLink link:definitionLink link:calculationLink 2520030 - Disclosure - Harbor Osmosis International Resource Efficient ETF Expense Example link:presentationLink link:definitionLink link:calculationLink 2520040 - Disclosure - Harbor Osmosis International Resource Efficient ETF Expense Example, No Redemption link:presentationLink link:definitionLink link:calculationLink 2520045 - Disclosure - Harbor Osmosis International Resource Efficient ETF Risks Data link:presentationLink link:definitionLink link:calculationLink 2520050 - Disclosure - Harbor Osmosis International Resource Efficient ETF Annual Total Returns link:presentationLink link:definitionLink link:calculationLink 2520060 - Disclosure - Harbor Osmosis International Resource Efficient ETF Average Annual Total Returns link:presentationLink link:definitionLink link:calculationLink 2520070 - Disclosure - Harbor Osmosis International Resource Efficient ETF Market Index Performance link:presentationLink link:definitionLink link:calculationLink 2510000 - Disclosure - Harbor Osmosis International Resource Efficient ETF N-1A Cover link:presentationLink link:definitionLink link:calculationLink 2610001 - Disclosure - Harbor PanAgora Dynamic Large Cap Core ETF Investment Objectives and Goals link:presentationLink link:definitionLink link:calculationLink 2610002 - Disclosure - Harbor PanAgora Dynamic Large Cap Core ETF Fees and Expenses link:presentationLink link:definitionLink link:calculationLink 2610003 - Disclosure - Harbor PanAgora Dynamic Large Cap Core ETF Investment Strategy link:presentationLink link:definitionLink link:calculationLink 2610004 - Disclosure - Harbor PanAgora Dynamic Large Cap Core ETF Investment Risks link:presentationLink link:definitionLink link:calculationLink 2610005 - Disclosure - Harbor PanAgora Dynamic Large Cap Core ETF Performance Management link:presentationLink link:definitionLink link:calculationLink 2620010 - Disclosure - Harbor PanAgora Dynamic Large Cap Core ETF Shareholder Fees link:presentationLink link:definitionLink link:calculationLink 2620020 - Disclosure - Harbor PanAgora Dynamic Large Cap Core ETF Annual Fund Operating Expenses link:presentationLink link:definitionLink link:calculationLink 2620030 - Disclosure - Harbor PanAgora Dynamic Large Cap Core ETF Expense Example link:presentationLink link:definitionLink link:calculationLink 2620040 - Disclosure - Harbor PanAgora Dynamic Large Cap Core ETF Expense Example, No Redemption link:presentationLink link:definitionLink link:calculationLink 2620045 - Disclosure - Harbor PanAgora Dynamic Large Cap Core ETF Risks Data link:presentationLink link:definitionLink link:calculationLink 2620050 - Disclosure - Harbor PanAgora Dynamic Large Cap Core ETF Annual Total Returns link:presentationLink link:definitionLink link:calculationLink 2620060 - Disclosure - Harbor PanAgora Dynamic Large Cap Core ETF Average Annual Total Returns link:presentationLink link:definitionLink link:calculationLink 2620070 - Disclosure - Harbor PanAgora Dynamic Large Cap Core ETF Market Index Performance link:presentationLink link:definitionLink link:calculationLink 2610000 - Disclosure - Harbor PanAgora Dynamic Large Cap Core ETF N-1A Cover link:presentationLink link:definitionLink link:calculationLink 2710001 - Disclosure - Harbor SMID Cap Core ETF Investment Objectives and Goals link:presentationLink link:definitionLink link:calculationLink 2710002 - Disclosure - Harbor SMID Cap Core ETF Fees and Expenses link:presentationLink link:definitionLink link:calculationLink 2710003 - Disclosure - Harbor SMID Cap Core ETF Investment Strategy link:presentationLink link:definitionLink link:calculationLink 2710004 - Disclosure - Harbor SMID Cap Core ETF Investment Risks link:presentationLink link:definitionLink link:calculationLink 2710005 - Disclosure - Harbor SMID Cap Core ETF Performance Management link:presentationLink link:definitionLink link:calculationLink 2720010 - Disclosure - Harbor SMID Cap Core ETF Shareholder Fees link:presentationLink link:definitionLink link:calculationLink 2720020 - Disclosure - Harbor SMID Cap Core ETF Annual Fund Operating Expenses link:presentationLink link:definitionLink link:calculationLink 2720030 - Disclosure - Harbor SMID Cap Core ETF Expense Example link:presentationLink link:definitionLink link:calculationLink 2720040 - Disclosure - Harbor SMID Cap Core ETF Expense Example, No Redemption link:presentationLink link:definitionLink link:calculationLink 2720045 - Disclosure - Harbor SMID Cap Core ETF Risks Data link:presentationLink link:definitionLink link:calculationLink 2720050 - Disclosure - Harbor SMID Cap Core ETF Annual Total Returns link:presentationLink link:definitionLink link:calculationLink 2720060 - Disclosure - Harbor SMID Cap Core ETF Average Annual Total Returns link:presentationLink link:definitionLink link:calculationLink 2720070 - Disclosure - Harbor SMID Cap Core ETF Market Index Performance link:presentationLink link:definitionLink link:calculationLink 2710000 - Disclosure - Harbor SMID Cap Core ETF N-1A Cover link:presentationLink link:definitionLink link:calculationLink 2810001 - Disclosure - Harbor SMID Cap Value ETF Investment Objectives and Goals link:presentationLink link:definitionLink link:calculationLink 2810002 - Disclosure - Harbor SMID Cap Value ETF Fees and Expenses link:presentationLink link:definitionLink link:calculationLink 2810003 - Disclosure - Harbor SMID Cap Value ETF Investment Strategy link:presentationLink link:definitionLink link:calculationLink 2810004 - Disclosure - Harbor SMID Cap Value ETF Investment Risks link:presentationLink link:definitionLink link:calculationLink 2810005 - Disclosure - Harbor SMID Cap Value ETF Performance Management link:presentationLink link:definitionLink link:calculationLink 2820010 - Disclosure - Harbor SMID Cap Value ETF Shareholder Fees link:presentationLink link:definitionLink link:calculationLink 2820020 - Disclosure - Harbor SMID Cap Value ETF Annual Fund Operating Expenses link:presentationLink link:definitionLink link:calculationLink 2820030 - Disclosure - Harbor SMID Cap Value ETF Expense Example link:presentationLink link:definitionLink link:calculationLink 2820040 - Disclosure - Harbor SMID Cap Value ETF Expense Example, No Redemption link:presentationLink link:definitionLink link:calculationLink 2820045 - Disclosure - Harbor SMID Cap Value ETF Risks Data link:presentationLink link:definitionLink link:calculationLink 2820050 - Disclosure - Harbor SMID Cap Value ETF Annual Total Returns link:presentationLink link:definitionLink link:calculationLink 2820060 - Disclosure - Harbor SMID Cap Value ETF Average Annual Total Returns link:presentationLink link:definitionLink link:calculationLink 2820070 - Disclosure - Harbor SMID Cap Value ETF Market Index Performance link:presentationLink link:definitionLink link:calculationLink 2810000 - Disclosure - Harbor SMID Cap Value ETF N-1A Cover link:presentationLink link:definitionLink link:calculationLink 2910001 - Disclosure - Harbor Transformative Technologies ETF Investment Objectives and Goals link:presentationLink link:definitionLink link:calculationLink 2910002 - Disclosure - Harbor Transformative Technologies ETF Fees and Expenses link:presentationLink link:definitionLink link:calculationLink 2910003 - Disclosure - Harbor Transformative Technologies ETF Investment Strategy link:presentationLink link:definitionLink link:calculationLink 2910004 - Disclosure - Harbor Transformative Technologies ETF Investment Risks link:presentationLink link:definitionLink link:calculationLink 2910005 - Disclosure - Harbor Transformative Technologies ETF Performance Management link:presentationLink link:definitionLink link:calculationLink 2920010 - Disclosure - Harbor Transformative Technologies ETF Shareholder Fees link:presentationLink link:definitionLink link:calculationLink 2920020 - Disclosure - Harbor Transformative Technologies ETF Annual Fund Operating Expenses link:presentationLink link:definitionLink link:calculationLink 2920030 - Disclosure - Harbor Transformative Technologies ETF Expense Example link:presentationLink link:definitionLink link:calculationLink 2920040 - Disclosure - Harbor Transformative Technologies ETF Expense Example, No Redemption link:presentationLink link:definitionLink link:calculationLink 2920045 - Disclosure - Harbor Transformative Technologies ETF Risks Data link:presentationLink link:definitionLink link:calculationLink 2920050 - Disclosure - Harbor Transformative Technologies ETF Annual Total Returns link:presentationLink link:definitionLink link:calculationLink 2920060 - Disclosure - Harbor Transformative Technologies ETF Average Annual Total Returns link:presentationLink link:definitionLink link:calculationLink 2920070 - Disclosure - Harbor Transformative Technologies ETF Market Index Performance link:presentationLink link:definitionLink link:calculationLink 2910000 - Disclosure - Harbor Transformative Technologies ETF N-1A Cover link:presentationLink link:definitionLink link:calculationLink Harbor Active Small Cap ETF S000086592 [Member] NONE or SAME C000252180 [Member] S&P 500 Index (reflects no deduction for fees, expenses or taxes)[Member] Russell 2000® Index (reflects no deduction for fees, expenses or taxes)[Member] Small Cap Risk [Member] Market Risk [Member] Equity Risk [Member] Risks Associated with Exchange-Traded Funds [Member] Issuer Risk [Member] Large Shareholder Risk [Member] Limited Number of Holdings Risk [Member] New Fund Risk [Member] New Subadvisor Risk [Member] Selection Risk [Member] Harbor Active Small Cap Growth ETF S000098463 [Member] C000268141 [Member] Growth Style Risk [Member] American Depositary Receipts Risk [Member] ESG Factors Risk [Member] Foreign Securities Risk [Member] High Portfolio Turnover Risk [Member] Investment in Other Investment Companies Risk [Member] Preferred Stock Risk [Member] Harbor AI Inflection Strategy ETF S000097720 [Member] C000267209 [Member] Artificial Intelligence Risk [Member] Concentration Risk [Member] Industrial Sector Risk [Member] Information Technology Sector Risk [Member] Depositary Receipts Risk [Member] Emerging Market Risk [Member] Market Capitalization Risk [Member] Unrelated Business Risk [Member] Harbor Alpha Layering ETF S000093653 [Member] C000262068 [Member] Large Cap Risk [Member] Derivatives Risk [Member] Short Position Risk [Member] Leveraging Risk [Member] Model Risk [Member] Commodity Risk [Member] Commodity-Linked Derivatives Risk [Member] Counterparty Risk [Member] Currency Risk [Member] Interest Rate Risk [Member] Sector Risk [Member] Short Sales Risk [Member] Subsidiary Risk [Member] Tax Risk [Member] U.S. Treasury Obligations Risk [Member] Harbor AlphaEdge Large Cap Value ETF S000086584 [Member] C000252172 [Member] Harbor AlphaEdge Large Cap Value Index (reflects no deduction for fees, expenses or taxes)[Member] Russell 1000® Value Index (reflects no deduction for fees, expenses or taxes)[Member] Value Style Risk [Member] Risks Associated with Index Funds [Member] Harbor AlphaEdge Small Cap Earners ETF - EBIT S000085510 [Member] C000250794 [Member] Harbor AlphaEdge Small Cap Earners Index (reflects no deduction for fees, expenses or taxes)[Member] REIT Risk [Member] Harbor Ares Systematic High-Yield ETF S000072555 [Member] C000228888 [Member] Bloomberg U.S. Aggregate Bond Index (reflects no deduction for fees, expenses or taxes)[Member] ICE BofA U.S. High Yield (H0A0) (reflects no deduction for fees, expenses or taxes)[Member] High-Yield Risk [Member] Quantitative Analysis Risk [Member] Inflation Risk [Member] Credit Risk [Member] ETF Risk [Member] Extension Risk [Member] Liquidity Risk [Member] Prepayment Risk [Member] U.S. Government Securities Risk [Member] Harbor Ares Systematic Multi-Sector Income ETF S000072556 [Member] C000228889 [Member] Foreign Currency Risk [Member] Harbor Commodity All-Weather Strategy ETF S000075202 [Member] C000234046 [Member] Quantix Commodity Total Return Index (reflects no deduction for fees, expenses or taxes)[Member] Bloomberg Commodity Index Total ReturnSM (reflects no deduction for fees, expenses or taxes)[Member] Excess Return Swaps Risk [Member] Index Construction Risk [Member] Energy Sector Risk [Member] Precious Metals Investment Risk [Member] Harbor Disciplined Bond ETF S000084690 [Member] C000249125 [Member] Mortgage- and Asset-Backed Securities Risk [Member] Convertible Securities Risk [Member] Municipal Risk [Member] Preferred Securities Risk [Member] Harbor Dividend Growth Leaders ETF S000075911 [Member] C000235263 [Member] NASDAQ Dividend Achievers Select Total Return Index (reflects no deduction for fees, expenses or taxes)[Member] Dividend Paying Stocks Risk [Member] MLP Risk [Member] Harbor Emerging Markets Equity ETF S000091659 [Member] C000259348 [Member] Harbor Emerging Markets Select ETF S000091658 [Member] Harbor Emerging Markets Select Equity ETF C000259347 [Member] Geographic Focus Risk [Member] Participatory Notes Risk [Member] Harbor Health Care ETF S000077996 [Member] C000238718 [Member] Russell 3000® Growth Health Care Index (reflects no deduction for fees, expenses or taxes)[Member] Health Care Industry Risk [Member] Harbor Human Capital Factor US Large Cap ETF S000077722 [Member] C000238211 [Member] Human Capital Factor Large Cap Index (reflects no deduction for fees, expenses or taxes)[Member] Data Risk [Member] Harbor Human Capital Factor US Small Cap ETF S000079952 [Member] C000241449 [Member] Human Capital Factor Small Cap Index (reflects no deduction for fees, expenses or taxes)[Member] Harbor International Compounders ETF S000077093 [Member] C000237253 [Member] MSCI All Country World Ex. U.S. (ND) Index (reflects no deduction for fees, expenses or taxes)[Member] Mid Cap Risk [Member] Harbor International Equity ETF S000091660 [Member] C000259349 [Member] Harbor Long-Short Equity ETF S000081567 [Member] C000244492 [Member] HFRX Equity Hedge Index (reflects no deduction for fees, expenses or taxes)[Member] Industry Group Focus Risk [Member] Harbor Long-Term Growers ETF S000075162 [Member] C000233998 [Member] Russell 1000® Growth Index (reflects no deduction for fees, expenses or taxes)[Member] Harbor Mid Cap Core ETF S000091661 [Member] C000259350 [Member] Harbor Mid Cap Value ETF S000091662 [Member] C000259351 [Member] Harbor Multi-Asset Explorer ETF S000080799 [Member] C000243340 [Member] ICE BofA 0-3 Month US Treasury Bill Total Return Index (reflects no deduction for fees, expenses or taxes)[Member] Asset Allocation Risk [Member] Affiliated Fund Risk [Member] Fixed Income Security Risk [Member] Harbor Osmosis Emerging Markets Resource Efficient ETF S000088918 [Member] C000255316 [Member] MSCI Emerging Markets (ND) Index (reflects no deduction for fees, expenses or taxes)[Member] Resource Efficiency Strategy Risk [Member] Harbor Osmosis International Resource Efficient ETF S000088919 [Member] C000255317 [Member] MSCI World Ex. US (ND) Index (reflects no deduction for fees, expenses or taxes)[Member] Harbor PanAgora Dynamic Large Cap Core ETF S000088022 [Member] C000254050 [Member] Harbor SMID Cap Core ETF S000091663 [Member] C000259352 [Member] Small and Mid Cap Risk [Member] Harbor SMID Cap Value ETF S000091664 [Member] C000259353 [Member] Harbor Transformative Technologies ETF S000091665 [Member] C000259354 [Member] Transformative Technology Company Risk [Member]