<?xml version="1.0" encoding="utf-8"?>
<xbrl
  xmlns="http://www.xbrl.org/2003/instance"
  xmlns:dei="http://xbrl.sec.gov/dei/2023"
  xmlns:ftetfii="http://www.ftportfolios.com/20250522"
  xmlns:iso4217="http://www.xbrl.org/2003/iso4217"
  xmlns:link="http://www.xbrl.org/2003/linkbase"
  xmlns:oef="http://xbrl.sec.gov/oef/2023"
  xmlns:us-gaap="http://fasb.org/us-gaap/2023"
  xmlns:utr="http://www.xbrl.org/2009/utr"
  xmlns:xbrldi="http://xbrl.org/2006/xbrldi"
  xmlns:xlink="http://www.w3.org/1999/xlink">
    <link:schemaRef xlink:href="ftetfii-20250522.xsd" xlink:type="simple"/>
    <context id="D20241001_20250331_C000051966Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000051966Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2024-10-01</startDate>
            <endDate>2025-03-31</endDate>
        </period>
    </context>
    <context id="D20241001_20250331_C000051967Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000051967Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2024-10-01</startDate>
            <endDate>2025-03-31</endDate>
        </period>
    </context>
    <context id="D20241001_20250331_C000054156Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000054156Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2024-10-01</startDate>
            <endDate>2025-03-31</endDate>
        </period>
    </context>
    <context id="D20241001_20250331_C000066484Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000066484Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2024-10-01</startDate>
            <endDate>2025-03-31</endDate>
        </period>
    </context>
    <context id="D20241001_20250331_C000071160Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000071160Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2024-10-01</startDate>
            <endDate>2025-03-31</endDate>
        </period>
    </context>
    <context id="D20241001_20250331_C000081044Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000081044Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2024-10-01</startDate>
            <endDate>2025-03-31</endDate>
        </period>
    </context>
    <context id="D20241001_20250331_C000087410Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000087410Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2024-10-01</startDate>
            <endDate>2025-03-31</endDate>
        </period>
    </context>
    <context id="D20241001_20250331_C000087411Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000087411Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2024-10-01</startDate>
            <endDate>2025-03-31</endDate>
        </period>
    </context>
    <context id="D20241001_20250331_C000092838Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000092838Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2024-10-01</startDate>
            <endDate>2025-03-31</endDate>
        </period>
    </context>
    <context id="D20241001_20250331_C000101722Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000101722Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2024-10-01</startDate>
            <endDate>2025-03-31</endDate>
        </period>
    </context>
    <context id="D20241001_20250331_C000102221Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000102221Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2024-10-01</startDate>
            <endDate>2025-03-31</endDate>
        </period>
    </context>
    <context id="D20241001_20250331_C000146603Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000146603Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2024-10-01</startDate>
            <endDate>2025-03-31</endDate>
        </period>
    </context>
    <context id="D20241001_20250331_C000159087Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000159087Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2024-10-01</startDate>
            <endDate>2025-03-31</endDate>
        </period>
    </context>
    <context id="D20241001_20250331_C000204700Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000204700Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2024-10-01</startDate>
            <endDate>2025-03-31</endDate>
        </period>
    </context>
    <context id="D20241001_20250331_C000205597Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000205597Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2024-10-01</startDate>
            <endDate>2025-03-31</endDate>
        </period>
    </context>
    <context id="D20241001_20250331_C000234334Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000234334Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2024-10-01</startDate>
            <endDate>2025-03-31</endDate>
        </period>
    </context>
    <context id="D20241001_20250331_C000234707Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000234707Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2024-10-01</startDate>
            <endDate>2025-03-31</endDate>
        </period>
    </context>
    <context id="D20241001_20250331_C000240529Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000240529Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2024-10-01</startDate>
            <endDate>2025-03-31</endDate>
        </period>
    </context>
    <context id="D20241001_20250331_C000245005Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000245005Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2024-10-01</startDate>
            <endDate>2025-03-31</endDate>
        </period>
    </context>
    <context id="D20241001_20250331_C000253539Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000253539Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2024-10-01</startDate>
            <endDate>2025-03-31</endDate>
        </period>
    </context>
    <context id="DefaultContext">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
        </entity>
        <period>
            <startDate>2024-10-01</startDate>
            <endDate>2025-03-31</endDate>
        </period>
    </context>
    <context id="TI20250330_C000234707Member_IQVIAHoldingsIncMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000234707Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:IQVIAHoldingsIncMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250330_C000234707Member_ResMedIncMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000234707Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:ResMedIncMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250330_C000234707Member_VeevaSystemsIncClassAMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000234707Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:VeevaSystemsIncClassAMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000051966Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000051966Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000051966Member_ABNAMROBankNVMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000051966Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:ABNAMROBankNVMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000051966Member_AkerBPASAMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000051966Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:AkerBPASAMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000051966Member_APMollerMaerskASClassAMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000051966Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:APMollerMaerskASClassAMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000051966Member_CommunicationsSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000051966Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:CommunicationsSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000051966Member_ConsumerDiscretionarySectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000051966Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:ConsumerDiscretionarySectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000051966Member_EnergySectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000051966Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">us-gaap:EnergySectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000051966Member_FinancialServicesSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000051966Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">us-gaap:FinancialServicesSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000051966Member_HSBCHoldingsPLCMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000051966Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:HSBCHoldingsPLCMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000051966Member_IndustrialSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000051966Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:IndustrialSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000051966Member_LegalAndGeneralGroupPLCMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000051966Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:LegalAndGeneralGroupPLCMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000051966Member_MaterialsSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000051966Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:MaterialsSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000051966Member_MoneyMarketFundsMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:InvestmentTypeAxis">us-gaap:MoneyMarketFundsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000051966Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000051966Member_NNGroupNVMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000051966Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:NNGroupNVMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000051966Member_RioTintoPLCMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000051966Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:RioTintoPLCMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000051966Member_RubisSCAMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000051966Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:RubisSCAMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000051966Member_TaylorWimpeyPLCMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000051966Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:TaylorWimpeyPLCMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000051966Member_UtilitiesSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000051966Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:UtilitiesSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000051966Member_VolkswagenAGMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000051966Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:VolkswagenAGMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000051967Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000051967Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000051967Member_AmericanTowerCorpMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000051967Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:AmericanTowerCorpMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000051967Member_CrownCastleIncMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000051967Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:CrownCastleIncMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000051967Member_DigitalRealtyTrustIncMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000051967Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:DigitalRealtyTrustIncMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000051967Member_EastGroupPropertiesIncMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000051967Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:EastGroupPropertiesIncMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000051967Member_EquinixIncMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000051967Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:EquinixIncMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000051967Member_FirstIndustrialRealtyTrustIncMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000051967Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:FirstIndustrialRealtyTrustIncMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000051967Member_MoneyMarketFundsMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:InvestmentTypeAxis">us-gaap:MoneyMarketFundsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000051967Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000051967Member_PrologisIncMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000051967Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:PrologisIncMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000051967Member_RealEstateSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000051967Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">us-gaap:RealEstateSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000051967Member_SBACommunicationsCorpMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000051967Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:SBACommunicationsCorpMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000051967Member_SegroPLCMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000051967Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:SegroPLCMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000051967Member_STAGIndustrialIncMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000051967Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:STAGIndustrialIncMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000054156Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000054156Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000054156Member_APMollerMaerskASClassAMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000054156Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:APMollerMaerskASClassAMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000054156Member_BCEIncMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000054156Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:BCEIncMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000054156Member_CommunicationsSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000054156Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:CommunicationsSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000054156Member_ConsumerDiscretionarySectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000054156Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:ConsumerDiscretionarySectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000054156Member_ConsumerStaplesSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000054156Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:ConsumerStaplesSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000054156Member_EnagasSAMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000054156Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:EnagasSAMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000054156Member_EnergySectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000054156Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">us-gaap:EnergySectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000054156Member_FinancialServicesSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000054156Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">us-gaap:FinancialServicesSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000054156Member_HendersonLandDevelopmentCoLtdMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000054156Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:HendersonLandDevelopmentCoLtdMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000054156Member_IndustrialSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000054156Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:IndustrialSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000054156Member_KohlSCorpMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000054156Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:KohlSCorpMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000054156Member_LabradorIronOreRoyaltyCorpMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000054156Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:LabradorIronOreRoyaltyCorpMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000054156Member_MaterialsSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000054156Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:MaterialsSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000054156Member_PeytoExplorationAndDevelopmentCorpMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000054156Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:PeytoExplorationAndDevelopmentCorpMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000054156Member_PhoenixGroupHoldingsPLCMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000054156Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:PhoenixGroupHoldingsPLCMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000054156Member_RealEstateSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000054156Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">us-gaap:RealEstateSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000054156Member_SparkNewZealandLtdMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000054156Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:SparkNewZealandLtdMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000054156Member_UtilitiesSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000054156Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:UtilitiesSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000054156Member_WesternUnionTheCoMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000054156Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:WesternUnionTheCoMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000066484Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000066484Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000066484Member_BoralexIncClassAMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000066484Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:BoralexIncClassAMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000066484Member_CenturyIronAndSteelIndustrialCoLtdMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000066484Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:CenturyIronAndSteelIndustrialCoLtdMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000066484Member_ChinaLongyuanPowerGroupCorpLtdClassHMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000066484Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:ChinaLongyuanPowerGroupCorpLtdClassHMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000066484Member_CitigroupIncMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000066484Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:CitigroupIncMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000066484Member_EDPRenovaveisSAMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000066484Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:EDPRenovaveisSAMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000066484Member_EnergySectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000066484Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">us-gaap:EnergySectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000066484Member_IndustrialSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000066484Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:IndustrialSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000066484Member_MaterialsSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000066484Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:MaterialsSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000066484Member_MoneyMarketFundsMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:InvestmentTypeAxis">us-gaap:MoneyMarketFundsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000066484Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000066484Member_NordexSEMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000066484Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:NordexSEMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000066484Member_NorthlandPowerIncMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000066484Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:NorthlandPowerIncMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000066484Member_OrstedASMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000066484Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:OrstedASMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000066484Member_RBCDominionSecuritiesIncMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000066484Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:RBCDominionSecuritiesIncMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000066484Member_RepurchaseAgreementsMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:InvestmentTypeAxis">us-gaap:RepurchaseAgreementsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000066484Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000066484Member_UtilitiesSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000066484Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:UtilitiesSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000066484Member_VestasWindSystemsASMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000066484Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:VestasWindSystemsASMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000071160Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000071160Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000071160Member_AmericanElectricPowerCoIncMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000071160Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:AmericanElectricPowerCoIncMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000071160Member_AmericanTowerCorpMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000071160Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:AmericanTowerCorpMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000071160Member_AmericanWaterWorksCoIncMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000071160Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:AmericanWaterWorksCoIncMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000071160Member_CenterPointEnergyIncMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000071160Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:CenterPointEnergyIncMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000071160Member_ConsolidatedEdisonIncMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000071160Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:ConsolidatedEdisonIncMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000071160Member_CrownCastleIncMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000071160Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:CrownCastleIncMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000071160Member_EnergySectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000071160Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">us-gaap:EnergySectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000071160Member_ExelonCorpMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000071160Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:ExelonCorpMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000071160Member_IndustrialSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000071160Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:IndustrialSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000071160Member_InformationTechnologySectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000071160Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:InformationTechnologySectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000071160Member_MaterialsSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000071160Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:MaterialsSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000071160Member_MoneyMarketFundsMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:InvestmentTypeAxis">us-gaap:MoneyMarketFundsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000071160Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000071160Member_OktaIncMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000071160Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:OktaIncMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000071160Member_RealEstateSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000071160Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">us-gaap:RealEstateSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000071160Member_UtilitiesSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000071160Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:UtilitiesSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000071160Member_VeriSignIncMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000071160Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:VeriSignIncMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000071160Member_WECEnergyGroupIncMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000071160Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:WECEnergyGroupIncMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000081044Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000081044Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000081044Member_ABBLtdMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000081044Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:ABBLtdMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000081044Member_AptivPLCMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000081044Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:AptivPLCMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000081044Member_ConsumerDiscretionarySectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000081044Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:ConsumerDiscretionarySectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000081044Member_EatonCorpPLCMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000081044Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:EatonCorpPLCMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000081044Member_HubbellIncMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000081044Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:HubbellIncMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000081044Member_IndustrialSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000081044Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:IndustrialSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000081044Member_InformationTechnologySectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000081044Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:InformationTechnologySectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000081044Member_JohnsonControlsInternationalPLCMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000081044Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:JohnsonControlsInternationalPLCMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000081044Member_MaterialsSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000081044Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:MaterialsSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000081044Member_MoneyMarketFundsMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:InvestmentTypeAxis">us-gaap:MoneyMarketFundsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000081044Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000081044Member_NationalGridPLCMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000081044Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:NationalGridPLCMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000081044Member_PrysmianSPAMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000081044Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:PrysmianSPAMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000081044Member_QuantaServicesIncMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000081044Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:QuantaServicesIncMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000081044Member_RepurchaseAgreementsMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:InvestmentTypeAxis">us-gaap:RepurchaseAgreementsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000081044Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000081044Member_SchneiderElectricSEMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000081044Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:SchneiderElectricSEMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000081044Member_TernaReteElettricaNazionaleMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000081044Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:TernaReteElettricaNazionaleMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000081044Member_UtilitiesSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000081044Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:UtilitiesSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000087410Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000087410Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000087410Member_AgnicoEagleMinesLtdMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000087410Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:AgnicoEagleMinesLtdMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000087410Member_AmericanWaterWorksCoIncMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000087410Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:AmericanWaterWorksCoIncMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000087410Member_CanadianNaturalResourcesLtdMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000087410Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:CanadianNaturalResourcesLtdMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000087410Member_ConsumerStaplesSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000087410Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:ConsumerStaplesSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000087410Member_EcopetrolSAADRMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000087410Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:EcopetrolSAADRMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000087410Member_EnergySectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000087410Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">us-gaap:EnergySectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000087410Member_FreeportMcMoRanIncMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000087410Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:FreeportMcMoRanIncMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000087410Member_IndustrialSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000087410Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:IndustrialSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000087410Member_JPMorganChaseAndCoMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000087410Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:JPMorganChaseAndCoMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000087410Member_KinrossGoldCorpMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000087410Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:KinrossGoldCorpMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000087410Member_MaterialsSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000087410Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:MaterialsSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000087410Member_MoneyMarketFundsMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:InvestmentTypeAxis">us-gaap:MoneyMarketFundsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000087410Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000087410Member_NutrienLtdMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000087410Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:NutrienLtdMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000087410Member_RBCDominionSecuritiesIncMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000087410Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:RBCDominionSecuritiesIncMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000087410Member_RealEstateSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000087410Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">us-gaap:RealEstateSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000087410Member_RepurchaseAgreementsMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:InvestmentTypeAxis">us-gaap:RepurchaseAgreementsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000087410Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000087410Member_UtilitiesSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000087410Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:UtilitiesSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000087410Member_WeyerhaeuserCoMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000087410Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:WeyerhaeuserCoMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000087411Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000087411Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000087411Member_BASFSEMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000087411Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:BASFSEMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000087411Member_BayerAGMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000087411Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:BayerAGMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000087411Member_CNHIndustrialNVMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000087411Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:CNHIndustrialNVMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000087411Member_ConsumerDiscretionarySectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000087411Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:ConsumerDiscretionarySectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000087411Member_ConsumerStaplesSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000087411Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:ConsumerStaplesSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000087411Member_CortevaIncMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000087411Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:CortevaIncMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000087411Member_DeereAndCoMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000087411Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:DeereAndCoMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000087411Member_HealthcareSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000087411Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">us-gaap:HealthcareSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000087411Member_IndustrialSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000087411Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:IndustrialSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000087411Member_IndustriesQatarQSCMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000087411Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:IndustriesQatarQSCMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000087411Member_KubotaCorpMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000087411Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:KubotaCorpMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000087411Member_MahindraAndMahindraLtdMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000087411Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:MahindraAndMahindraLtdMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000087411Member_MaterialsSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000087411Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:MaterialsSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000087411Member_MoneyMarketFundsMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:InvestmentTypeAxis">us-gaap:MoneyMarketFundsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000087411Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000087411Member_NutrienLtdMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000087411Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:NutrienLtdMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000087411Member_WilmarInternationalLtdMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000087411Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:WilmarInternationalLtdMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000092838Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000092838Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000092838Member_AmericanTowerCorpMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000092838Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:AmericanTowerCorpMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000092838Member_BTGroupPLCMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000092838Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:BTGroupPLCMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000092838Member_CommunicationsSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000092838Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:CommunicationsSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000092838Member_ConsumerDiscretionarySectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000092838Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:ConsumerDiscretionarySectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000092838Member_ElisaOyjMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000092838Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:ElisaOyjMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000092838Member_IndustrialSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000092838Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:IndustrialSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000092838Member_InformationTechnologySectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000092838Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:InformationTechnologySectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000092838Member_KyoceraCorpMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000092838Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:KyoceraCorpMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000092838Member_LenovoGroupLtdMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000092838Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:LenovoGroupLtdMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000092838Member_MoneyMarketFundsMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:InvestmentTypeAxis">us-gaap:MoneyMarketFundsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000092838Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000092838Member_NECCorpMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000092838Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:NECCorpMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000092838Member_NokiaOyjADRMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000092838Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:NokiaOyjADRMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000092838Member_RealEstateSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000092838Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">us-gaap:RealEstateSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000092838Member_RepurchaseAgreementsMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:InvestmentTypeAxis">us-gaap:RepurchaseAgreementsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000092838Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000092838Member_SonyGroupCorpMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000092838Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:SonyGroupCorpMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000092838Member_XiaomiCorpClassBMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000092838Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:XiaomiCorpClassBMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000092838Member_ZTECorpClassHMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000092838Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:ZTECorpClassHMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000101722Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000101722Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000101722Member_AdvancedMicroDevicesIncMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000101722Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:AdvancedMicroDevicesIncMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000101722Member_AlphabetIncClassAMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000101722Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:AlphabetIncClassAMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000101722Member_AppleIncMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000101722Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:AppleIncMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000101722Member_CommunicationsSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000101722Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:CommunicationsSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000101722Member_ConsumerDiscretionarySectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000101722Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:ConsumerDiscretionarySectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000101722Member_IndustrialSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000101722Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:IndustrialSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000101722Member_InformationTechnologySectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000101722Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:InformationTechnologySectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000101722Member_MaterialsSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000101722Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:MaterialsSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000101722Member_MicrosoftCorpMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000101722Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:MicrosoftCorpMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000101722Member_MoneyMarketFundsMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:InvestmentTypeAxis">us-gaap:MoneyMarketFundsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000101722Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000101722Member_NVIDIACorpMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000101722Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:NVIDIACorpMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000101722Member_QUALCOMMIncMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000101722Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:QUALCOMMIncMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000101722Member_RepurchaseAgreementsMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:InvestmentTypeAxis">us-gaap:RepurchaseAgreementsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000101722Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000101722Member_SamsungElectronicsCoLtdMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000101722Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:SamsungElectronicsCoLtdMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000101722Member_TaiwanSemiconductorManufacturingCoLtdADRMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000101722Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:TaiwanSemiconductorManufacturingCoLtdADRMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000101722Member_TexasInstrumentsIncMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000101722Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:TexasInstrumentsIncMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000101722Member_ToyotaMotorCorpMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000101722Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:ToyotaMotorCorpMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000102221Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000102221Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000102221Member_AkamaiTechnologiesIncMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000102221Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:AkamaiTechnologiesIncMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000102221Member_AlphabetIncClassAMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000102221Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:AlphabetIncClassAMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000102221Member_AmazonComIncMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000102221Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:AmazonComIncMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000102221Member_AristaNetworksIncMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000102221Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:AristaNetworksIncMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000102221Member_CiscoSystemsIncMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000102221Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:CiscoSystemsIncMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000102221Member_CommunicationsSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000102221Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:CommunicationsSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000102221Member_ConsumerDiscretionarySectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000102221Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:ConsumerDiscretionarySectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000102221Member_FinancialServicesSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000102221Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">us-gaap:FinancialServicesSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000102221Member_HealthcareSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000102221Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">us-gaap:HealthcareSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000102221Member_IndustrialSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000102221Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:IndustrialSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000102221Member_InformationTechnologySectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000102221Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:InformationTechnologySectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000102221Member_InternationalBusinessMachinesCorpMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000102221Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:InternationalBusinessMachinesCorpMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000102221Member_MicrosoftCorpMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000102221Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:MicrosoftCorpMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000102221Member_MoneyMarketFundsMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:InvestmentTypeAxis">us-gaap:MoneyMarketFundsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000102221Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000102221Member_NutanixIncClassAMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000102221Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:NutanixIncClassAMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000102221Member_OracleCorpMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000102221Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:OracleCorpMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000102221Member_PureStorageIncClassAMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000102221Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:PureStorageIncClassAMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000102221Member_RepurchaseAgreementsMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:InvestmentTypeAxis">us-gaap:RepurchaseAgreementsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000102221Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000146603Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000146603Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000146603Member_AgnicoEagleMinesLtdMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000146603Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:AgnicoEagleMinesLtdMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000146603Member_AlibabaGroupHoldingLtdADRMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000146603Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:AlibabaGroupHoldingLtdADRMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000146603Member_ARMHoldingsPLCADRMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000146603Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:ARMHoldingsPLCADRMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000146603Member_CaixaSeguridadeParticipacoesSAMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000146603Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:CaixaSeguridadeParticipacoesSAMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000146603Member_CommunicationsSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000146603Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:CommunicationsSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000146603Member_ConstellationSoftwareIncMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000146603Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:ConstellationSoftwareIncMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000146603Member_ConsumerDiscretionarySectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000146603Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:ConsumerDiscretionarySectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000146603Member_EnergySectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000146603Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">us-gaap:EnergySectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000146603Member_FinancialServicesSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000146603Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">us-gaap:FinancialServicesSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000146603Member_GenDigitalIncMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000146603Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:GenDigitalIncMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000146603Member_HealthcareSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000146603Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">us-gaap:HealthcareSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000146603Member_IndustrialSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000146603Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:IndustrialSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000146603Member_InformationTechnologySectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000146603Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:InformationTechnologySectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000146603Member_KraftonIncMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000146603Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:KraftonIncMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000146603Member_MaterialsSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000146603Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:MaterialsSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000146603Member_PopMartInternationalGroupLtdMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000146603Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:PopMartInternationalGroupLtdMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000146603Member_RepurchaseAgreementsMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:InvestmentTypeAxis">us-gaap:RepurchaseAgreementsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000146603Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000146603Member_SpotifyTechnologySAMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000146603Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:SpotifyTechnologySAMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000146603Member_TripComGroupLtdADRMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000146603Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:TripComGroupLtdADRMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000146603Member_UnclassifiedSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000146603Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:UnclassifiedSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000159087Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000159087Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000159087Member_BroadcomIncMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000159087Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:BroadcomIncMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000159087Member_CheckPointSoftwareTechnologiesLtdMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000159087Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:CheckPointSoftwareTechnologiesLtdMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000159087Member_CiscoSystemsIncMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000159087Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:CiscoSystemsIncMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000159087Member_CrowdStrikeHoldingsIncClassAMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000159087Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:CrowdStrikeHoldingsIncClassAMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000159087Member_IndustrialSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000159087Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:IndustrialSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000159087Member_InformationTechnologySectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000159087Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:InformationTechnologySectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000159087Member_InfosysLtdADRMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000159087Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:InfosysLtdADRMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000159087Member_LeidosHoldingsIncMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000159087Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:LeidosHoldingsIncMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000159087Member_MoneyMarketFundsMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:InvestmentTypeAxis">us-gaap:MoneyMarketFundsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000159087Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000159087Member_OktaIncMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000159087Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:OktaIncMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000159087Member_PaloAltoNetworksIncMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000159087Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:PaloAltoNetworksIncMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000159087Member_RepurchaseAgreementsMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:InvestmentTypeAxis">us-gaap:RepurchaseAgreementsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000159087Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000159087Member_ThalesSAMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000159087Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:ThalesSAMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000159087Member_ZscalerIncMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000159087Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:ZscalerIncMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000204700Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000204700Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000204700Member_ARMHoldingsPLCADRMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000204700Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:ARMHoldingsPLCADRMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000204700Member_CieDeSaintGobainSAMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000204700Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:CieDeSaintGobainSAMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000204700Member_CommunicationsSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000204700Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:CommunicationsSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000204700Member_ConsumerDiscretionarySectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000204700Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:ConsumerDiscretionarySectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000204700Member_ConsumerStaplesSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000204700Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:ConsumerStaplesSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000204700Member_EnergySectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000204700Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">us-gaap:EnergySectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000204700Member_FinancialServicesSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000204700Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">us-gaap:FinancialServicesSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000204700Member_GenDigitalIncMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000204700Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:GenDigitalIncMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000204700Member_HaleonPLCMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000204700Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:HaleonPLCMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000204700Member_HealthcareSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000204700Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">us-gaap:HealthcareSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000204700Member_IndustrialSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000204700Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:IndustrialSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000204700Member_InformationTechnologySectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000204700Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:InformationTechnologySectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000204700Member_IONOSGroupSEMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000204700Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:IONOSGroupSEMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000204700Member_LottomaticaGroupSPAMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000204700Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:LottomaticaGroupSPAMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000204700Member_MaterialsSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000204700Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:MaterialsSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000204700Member_NordnetABPublMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000204700Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:NordnetABPublMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000204700Member_SiemensEnergyAGMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000204700Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:SiemensEnergyAGMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000204700Member_SpotifyTechnologySAMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000204700Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:SpotifyTechnologySAMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000204700Member_TechnipEnergiesNVMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000204700Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:TechnipEnergiesNVMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000204700Member_UnclassifiedSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000204700Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:UnclassifiedSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000205597Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000205597Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000205597Member_AdyenNVMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000205597Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:AdyenNVMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000205597Member_AlibabaGroupHoldingLtdMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000205597Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:AlibabaGroupHoldingLtdMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000205597Member_CommunicationsSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000205597Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:CommunicationsSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000205597Member_ConsumerDiscretionarySectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000205597Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:ConsumerDiscretionarySectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000205597Member_FinancialServicesSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000205597Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">us-gaap:FinancialServicesSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000205597Member_InformationTechnologySectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000205597Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:InformationTechnologySectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000205597Member_JDComIncClassAMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000205597Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:JDComIncClassAMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000205597Member_MeituanClassBMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000205597Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:MeituanClassBMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000205597Member_NaspersLtdClassNMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000205597Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:NaspersLtdClassNMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000205597Member_PDDHoldingsIncADRMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000205597Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:PDDHoldingsIncADRMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000205597Member_ProsusNVMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000205597Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:ProsusNVMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000205597Member_ShopifyIncClassAMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000205597Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:ShopifyIncClassAMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000205597Member_SpotifyTechnologySAMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000205597Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:SpotifyTechnologySAMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000205597Member_TencentHoldingsLtdMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000205597Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:TencentHoldingsLtdMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000234334Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000234334Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000234334Member_CommunicationsSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000234334Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:CommunicationsSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000234334Member_ConsumerDiscretionarySectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000234334Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:ConsumerDiscretionarySectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000234334Member_ElectronicArtsIncMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000234334Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:ElectronicArtsIncMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000234334Member_HealthcareSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000234334Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">us-gaap:HealthcareSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000234334Member_InformationTechnologySectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000234334Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:InformationTechnologySectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000234334Member_IntelCorpMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000234334Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:IntelCorpMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000234334Member_MoneyMarketFundsMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:InvestmentTypeAxis">us-gaap:MoneyMarketFundsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000234334Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000234334Member_NetEaseIncMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000234334Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:NetEaseIncMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000234334Member_NetflixIncMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000234334Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:NetflixIncMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000234334Member_NexonCoLtdMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000234334Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:NexonCoLtdMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000234334Member_NintendoCoLtdMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000234334Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:NintendoCoLtdMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000234334Member_SonyGroupCorpMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000234334Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:SonyGroupCorpMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000234334Member_TakeTwoInteractiveSoftwareIncMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000234334Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:TakeTwoInteractiveSoftwareIncMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000234334Member_TencentHoldingsLtdMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000234334Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:TencentHoldingsLtdMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000234334Member_XiaomiCorpClassBMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000234334Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:XiaomiCorpClassBMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000234707Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000234707Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000234707Member_DexcomIncMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000234707Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:DexcomIncMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000234707Member_FinancialServicesSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000234707Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">us-gaap:FinancialServicesSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000234707Member_GlobusMedicalIncClassAMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000234707Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:GlobusMedicalIncClassAMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000234707Member_HealthcareSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000234707Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">us-gaap:HealthcareSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000234707Member_HologicIncMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000234707Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:HologicIncMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000234707Member_InsuletCorpMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000234707Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:InsuletCorpMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000234707Member_IntuitiveSurgicalIncMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000234707Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:IntuitiveSurgicalIncMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000234707Member_MoneyMarketFundsMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:InvestmentTypeAxis">us-gaap:MoneyMarketFundsMember</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000234707Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000234707Member_NateraIncMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000234707Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:NateraIncMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000234707Member_QIAGENNVMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000234707Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:QIAGENNVMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000240529Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000240529Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000240529Member_CommunicationsSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000240529Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:CommunicationsSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000240529Member_ConsumerDiscretionarySectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000240529Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:ConsumerDiscretionarySectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000240529Member_ConsumerStaplesSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000240529Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:ConsumerStaplesSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000240529Member_EnergySectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000240529Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">us-gaap:EnergySectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000240529Member_FinancialServicesSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000240529Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">us-gaap:FinancialServicesSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000240529Member_FirstRandLtdMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000240529Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:FirstRandLtdMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000240529Member_FomentoEconomicoMexicanoSABDeCVSeriesUBDMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000240529Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:FomentoEconomicoMexicanoSABDeCVSeriesUBDMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000240529Member_GrupoMexicoSABDeCVSeriesBMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000240529Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:GrupoMexicoSABDeCVSeriesBMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000240529Member_HealthcareSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000240529Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">us-gaap:HealthcareSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000240529Member_IndustrialSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000240529Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:IndustrialSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000240529Member_InformationTechnologySectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000240529Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:InformationTechnologySectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000240529Member_MaterialsSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000240529Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:MaterialsSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000240529Member_NaspersLtdClassNMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000240529Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:NaspersLtdClassNMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000240529Member_OTPBankNyrtMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000240529Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:OTPBankNyrtMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000240529Member_PetroleoBrasileiroSAMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000240529Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:PetroleoBrasileiroSAMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000240529Member_PowszechnaKasaOszczednosciBankPolskiSAMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000240529Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:PowszechnaKasaOszczednosciBankPolskiSAMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000240529Member_SamsungElectronicsCoLtdMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000240529Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:SamsungElectronicsCoLtdMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000240529Member_StandardBankGroupLtdMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000240529Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:StandardBankGroupLtdMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000240529Member_TaiwanSemiconductorManufacturingCoLtdMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000240529Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:TaiwanSemiconductorManufacturingCoLtdMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000240529Member_UnclassifiedSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000240529Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:UnclassifiedSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000245005Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000245005Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000245005Member_ConsumerDiscretionarySectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000245005Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:ConsumerDiscretionarySectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000245005Member_ConsumerStaplesSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000245005Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:ConsumerStaplesSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000245005Member_EnergySectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000245005Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">us-gaap:EnergySectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000245005Member_FinancialServicesSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000245005Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">us-gaap:FinancialServicesSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000245005Member_FirstRandLtdMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000245005Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:FirstRandLtdMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000245005Member_GoldFieldsLtdMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000245005Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:GoldFieldsLtdMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000245005Member_GrupoFinancieroBanorteSABDeCVClassOMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000245005Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:GrupoFinancieroBanorteSABDeCVClassOMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000245005Member_HealthcareSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000245005Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">us-gaap:HealthcareSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000245005Member_IndustrialSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000245005Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:IndustrialSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000245005Member_InformationTechnologySectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000245005Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:InformationTechnologySectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000245005Member_ItauUnibancoHoldingSAMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000245005Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:ItauUnibancoHoldingSAMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000245005Member_MaterialsSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000245005Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:MaterialsSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000245005Member_ORLENSAMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000245005Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:ORLENSAMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000245005Member_PowszechnaKasaOszczednosciBankPolskiSAMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000245005Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:PowszechnaKasaOszczednosciBankPolskiSAMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000245005Member_SamsungElectronicsCoLtdMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000245005Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:SamsungElectronicsCoLtdMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000245005Member_TaiwanSemiconductorManufacturingCoLtdADRMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000245005Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:TaiwanSemiconductorManufacturingCoLtdADRMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000245005Member_UnclassifiedSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000245005Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:UnclassifiedSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000245005Member_UtilitiesSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000245005Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:UtilitiesSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000245005Member_WalMartDeMexicoSABDeCVMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000245005Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:WalMartDeMexicoSABDeCVMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000245005Member_WEGSAMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000245005Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:WEGSAMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000253539Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000253539Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000253539Member_AdobeIncMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000253539Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:AdobeIncMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000253539Member_AlphabetIncClassAMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000253539Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:AlphabetIncClassAMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000253539Member_AmazonComIncMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000253539Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:AmazonComIncMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000253539Member_ASMLHoldingNVMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000253539Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:ASMLHoldingNVMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000253539Member_CommunicationsSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000253539Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:CommunicationsSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000253539Member_ConsumerDiscretionarySectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000253539Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:ConsumerDiscretionarySectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000253539Member_IndustrialSectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000253539Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:IndustrialSectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000253539Member_InformationTechnologySectorMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000253539Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:IndustrySectorAxis">oef:InformationTechnologySectorMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000253539Member_MetaPlatformsIncClassAMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000253539Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:MetaPlatformsIncClassAMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000253539Member_MicrosoftCorpMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000253539Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:MicrosoftCorpMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000253539Member_NVIDIACorpMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000253539Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:NVIDIACorpMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000253539Member_OracleCorpMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000253539Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:OracleCorpMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000253539Member_PalantirTechnologiesIncClassAMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000253539Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:PalantirTechnologiesIncClassAMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <context id="TI20250331_C000253539Member_TaiwanSemiconductorManufacturingCoLtdMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001364608</identifier>
            <segment>
                <xbrldi:explicitMember dimension="oef:ClassAxis">ftetfii:C000253539Member</xbrldi:explicitMember>
                <xbrldi:explicitMember dimension="oef:LargestHoldingAxis">ftetfii:TaiwanSemiconductorManufacturingCoLtdMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <instant>2025-03-31</instant>
        </period>
    </context>
    <unit id="USD">
        <measure>iso4217:USD</measure>
    </unit>
    <unit id="USD_shares">
        <divide>
            <unitNumerator>
                <measure>iso4217:USD</measure>
            </unitNumerator>
            <unitDenominator>
                <measure>shares</measure>
            </unitDenominator>
        </divide>
    </unit>
    <unit id="pure">
        <measure>pure</measure>
    </unit>
    <unit id="shares">
        <measure>shares</measure>
    </unit>
    <unit id="Day">
        <measure>utr:D</measure>
    </unit>
    <unit id="Holding">
        <measure>ftetfii:Holding</measure>
    </unit>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000146603Member_IndustrialSectorMember"
      decimals="4"
      id="h_00f9bb64_e4ae_45b6_96ab_1809f091709e"
      unitRef="pure">0.092</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000101722Member_MoneyMarketFundsMember"
      decimals="4"
      id="h_01df4d82_05d2_4214_8eb7_aa1be9031a18"
      unitRef="pure">0.002</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000102221Member_IndustrialSectorMember"
      decimals="4"
      id="h_0361d310_70f0_4db4_904c_9e1d7a013c0b"
      unitRef="pure">0.015</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000051966Member_ConsumerDiscretionarySectorMember"
      decimals="4"
      id="h_09cfe282_b49e_45e8_8de5_9f4b783b3803"
      unitRef="pure">0.147</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000234707Member_HealthcareSectorMember"
      decimals="4"
      id="h_09e64a61_456d_4e22_a70a_434e672dab12"
      unitRef="pure">0.986</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000245005Member_FinancialServicesSectorMember"
      decimals="4"
      id="h_0a110ff9_78b2_4676_b2e7_9d9c3bf0a901"
      unitRef="pure">0.352</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000087411Member_HealthcareSectorMember"
      decimals="4"
      id="h_0b0cfd9b_892b_4ac5_b2ec_a326eb8bd01e"
      unitRef="pure">0.043</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000253539Member_IndustrialSectorMember"
      decimals="4"
      id="h_0b8bdfea_7ddb_428f_aea5_ca7ea484d672"
      unitRef="pure">0.005</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000234707Member_MoneyMarketFundsMember"
      decimals="4"
      id="h_13924acd_a58d_4b92_9206_3b063ceff520"
      unitRef="pure">0.001</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000204700Member_HealthcareSectorMember"
      decimals="4"
      id="h_13ac8e93_51f3_44b6_ad6c_0cef473cb4a7"
      unitRef="pure">0.122</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000087411Member_ConsumerStaplesSectorMember"
      decimals="4"
      id="h_13be1ab9_99e6_452b_8b93_460461681ed4"
      unitRef="pure">0.065</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000240529Member_UnclassifiedSectorMember"
      decimals="4"
      id="h_145c1b8d_4ac5_414d_a8ce_583969ea5d5a"
      unitRef="pure">0.007</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000092838Member_MoneyMarketFundsMember"
      decimals="4"
      id="h_1667c8d8_25a3_454e_897a_37445edb6df9"
      unitRef="pure">0.003</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000081044Member_InformationTechnologySectorMember"
      decimals="4"
      id="h_18dea6b0_b553_4ab3_a416_4f0b614e5d21"
      unitRef="pure">0.155</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000240529Member_IndustrialSectorMember"
      decimals="4"
      id="h_19f023f6_9895_426d_be16_d45d3473bc72"
      unitRef="pure">0.033</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000245005Member_ConsumerStaplesSectorMember"
      decimals="4"
      id="h_1b6a7c85_e3cc_4c4d_8edb_0415ef9df448"
      unitRef="pure">0.095</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000071160Member_EnergySectorMember"
      decimals="4"
      id="h_1bb16289_2aa5_4d00_b8cb_84f612c14b6f"
      unitRef="pure">0.083</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000071160Member_MoneyMarketFundsMember"
      decimals="4"
      id="h_1e50c138_5fbf_426f_984c_6af9accd0aec"
      unitRef="pure">0.002</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000051966Member_MaterialsSectorMember"
      decimals="4"
      id="h_1eea3a79_d71c_46d1_a3a1_b8dc26eaa082"
      unitRef="pure">0.083</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000066484Member_RepurchaseAgreementsMember"
      decimals="4"
      id="h_1f896339_7fc2_4b1b_ab4e_6889e4204dcd"
      unitRef="pure">0.062</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000054156Member_ConsumerStaplesSectorMember"
      decimals="4"
      id="h_25cb0133_9ac1_4bd1_aa21_d3a59289adc5"
      unitRef="pure">0.060</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000146603Member_ConsumerDiscretionarySectorMember"
      decimals="4"
      id="h_27855b2f_fb95_4bc8_8ab8_e35c83f20923"
      unitRef="pure">0.203</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000146603Member_FinancialServicesSectorMember"
      decimals="4"
      id="h_28222f5e_cbd8_4517_93a2_3002c18f79b0"
      unitRef="pure">0.138</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000087410Member_MoneyMarketFundsMember"
      decimals="4"
      id="h_2bca9b92_51f2_447b_bb25_e0fe8041fbb4"
      unitRef="pure">0.003</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000101722Member_ConsumerDiscretionarySectorMember"
      decimals="4"
      id="h_2d335411_3b6c_4139_be41_a57bd1911319"
      unitRef="pure">0.276</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000205597Member_ConsumerDiscretionarySectorMember"
      decimals="4"
      id="h_2f2c2f77_1665_4db7_aa2b_d1ad970fb9b4"
      unitRef="pure">0.438</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000087410Member_MaterialsSectorMember"
      decimals="4"
      id="h_3075c75a_9d8e_407c_8943_f265ab65b6e7"
      unitRef="pure">0.401</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000253539Member_ConsumerDiscretionarySectorMember"
      decimals="4"
      id="h_31a477a8_cb87_46e8_af8f_5d8b71c70db2"
      unitRef="pure">0.079</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000087411Member_MoneyMarketFundsMember"
      decimals="4"
      id="h_31ed10a4_1efb_44d0_ada5_ce247b3ecaea"
      unitRef="pure">0.005</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000204700Member_MaterialsSectorMember"
      decimals="4"
      id="h_32ce5314_5486_48a9_94fd_8aec01d3662c"
      unitRef="pure">0.062</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000054156Member_RealEstateSectorMember"
      decimals="4"
      id="h_32d7cdc8_1e0d_437b_99c2_f3d70ea38008"
      unitRef="pure">0.047</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000071160Member_RealEstateSectorMember"
      decimals="4"
      id="h_33a6c5df_23f3_4faa_9fc8_b268de6c765d"
      unitRef="pure">0.053</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000054156Member_ConsumerDiscretionarySectorMember"
      decimals="4"
      id="h_34961ec3_41e8_49cf_8073_f6614226fa1f"
      unitRef="pure">0.140</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000205597Member_InformationTechnologySectorMember"
      decimals="4"
      id="h_3792434d_42cf_43af_a430_e76729d6c4c0"
      unitRef="pure">0.131</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000066484Member_UtilitiesSectorMember"
      decimals="4"
      id="h_390bcc2c_4c69_4467_a588_bdac15578e73"
      unitRef="pure">0.554</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000087410Member_ConsumerStaplesSectorMember"
      decimals="4"
      id="h_392dfcdd_e9cd_493b_961a_c0c56f54fd68"
      unitRef="pure">0.029</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000240529Member_CommunicationsSectorMember"
      decimals="4"
      id="h_3b00dc26_53d1_491c_9f5e_c97a19c604ad"
      unitRef="pure">0.042</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000051966Member_FinancialServicesSectorMember"
      decimals="4"
      id="h_3d77530c_fb75_408a_af73_eb8ca53027bc"
      unitRef="pure">0.486</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000240529Member_FinancialServicesSectorMember"
      decimals="4"
      id="h_3f78eb30_6a04_4b20_871a_43ea083ef631"
      unitRef="pure">0.353</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000051967Member_RealEstateSectorMember"
      decimals="4"
      id="h_3fc83105_bcd9_426d_8f77_f112382e0db5"
      unitRef="pure">0.993</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000051966Member_UtilitiesSectorMember"
      decimals="4"
      id="h_420baf1e_a541_44a1_94c0_a3ab238af7bf"
      unitRef="pure">0.092</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000054156Member_FinancialServicesSectorMember"
      decimals="4"
      id="h_427ed833_8669_459d_93e1_a8131316a6b6"
      unitRef="pure">0.366</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000081044Member_MaterialsSectorMember"
      decimals="4"
      id="h_437bd060_79a3_4a85_a02b_92c2c37948cf"
      unitRef="pure">0.000</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000066484Member_MoneyMarketFundsMember"
      decimals="4"
      id="h_43ea05a3_2d1f_467c_a5f0_afd0f9fee2e8"
      unitRef="pure">0.007</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000054156Member_EnergySectorMember"
      decimals="4"
      id="h_44afaec8_c7d1_48cf_9258_eaa632b7ee07"
      unitRef="pure">0.077</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000245005Member_ConsumerDiscretionarySectorMember"
      decimals="4"
      id="h_44bf6fcc_e3f2_48db_a717_cbf53393167c"
      unitRef="pure">0.027</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000159087Member_InformationTechnologySectorMember"
      decimals="4"
      id="h_455937f7_ff4f_452d_8f66_43630db37037"
      unitRef="pure">0.847</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000054156Member_MaterialsSectorMember"
      decimals="4"
      id="h_470399ed_903a_4e68_bd3c_8a42aea7f839"
      unitRef="pure">0.068</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000245005Member_HealthcareSectorMember"
      decimals="4"
      id="h_4919b5e3_6489_4591_8a90_d9884ad1cf58"
      unitRef="pure">0.021</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000204700Member_InformationTechnologySectorMember"
      decimals="4"
      id="h_4b356472_8ddd_4a98_b6a3_e9e0609e6704"
      unitRef="pure">0.162</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000102221Member_RepurchaseAgreementsMember"
      decimals="4"
      id="h_4ce1bf2b_723c_47ca_9ac4_282d103f915f"
      unitRef="pure">0.001</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000087411Member_MaterialsSectorMember"
      decimals="4"
      id="h_54edbaef_8702_42af_8341_71a87baf3a4d"
      unitRef="pure">0.505</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000092838Member_RealEstateSectorMember"
      decimals="4"
      id="h_562d5b0b_f00b_4d81_bb00_0731de457f93"
      unitRef="pure">0.061</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000240529Member_EnergySectorMember"
      decimals="4"
      id="h_57d158d8_3a20_445c_a926_1724a8a3cf11"
      unitRef="pure">0.072</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000051967Member_MoneyMarketFundsMember"
      decimals="4"
      id="h_5be8ac95_a5a8_4804_aa8e_b80a6b2a62dd"
      unitRef="pure">0.007</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000240529Member_InformationTechnologySectorMember"
      decimals="4"
      id="h_5e0a0f8d_06ca_4972_8390_4ada7616510f"
      unitRef="pure">0.232</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000101722Member_CommunicationsSectorMember"
      decimals="4"
      id="h_5faa6498_f2cd_4ddc_b2fb_f57a14e8ebeb"
      unitRef="pure">0.044</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000101722Member_MaterialsSectorMember"
      decimals="4"
      id="h_60a82eab_4c80_4c2a_ae03_dd4e5c8402aa"
      unitRef="pure">0.045</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000092838Member_IndustrialSectorMember"
      decimals="4"
      id="h_6390fb56_f5c9_4f45_8a7c_200344e62dbb"
      unitRef="pure">0.024</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000051966Member_EnergySectorMember"
      decimals="4"
      id="h_64a78186_7b46_4822_ab00_ef02c9d1a091"
      unitRef="pure">0.094</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000253539Member_InformationTechnologySectorMember"
      decimals="4"
      id="h_65c0285c_2ebe_440e_bcf8_132bba8c8070"
      unitRef="pure">0.752</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000081044Member_RepurchaseAgreementsMember"
      decimals="4"
      id="h_66678102_8e12_4542_ab17_02c9d2c695d0"
      unitRef="pure">0.006</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000146603Member_RepurchaseAgreementsMember"
      decimals="4"
      id="h_6a37a1ea_1aa9_49b3_803a_a775fddb5272"
      unitRef="pure">0.020</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000234334Member_CommunicationsSectorMember"
      decimals="4"
      id="h_6b2cb77c_5046_4377_8dc2_994d6fd0150e"
      unitRef="pure">0.439</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000087410Member_RepurchaseAgreementsMember"
      decimals="4"
      id="h_6b3a218f_a28c_45ad_93b5_056f49f111a3"
      unitRef="pure">0.089</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000081044Member_UtilitiesSectorMember"
      decimals="4"
      id="h_6b4f4b8e_3173_4daa_8eb4_a7fb96f9ad80"
      unitRef="pure">0.217</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000066484Member_MaterialsSectorMember"
      decimals="4"
      id="h_76f14a1b_d78b_492b_8d9a_6c8581caab27"
      unitRef="pure">0.045</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000066484Member_IndustrialSectorMember"
      decimals="4"
      id="h_7a35bdcb_9dbe_4f3f_bd3d_b8da700bf9b9"
      unitRef="pure">0.328</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000205597Member_FinancialServicesSectorMember"
      decimals="4"
      id="h_7acc001c_150e_4fad_a61d_849e1f535338"
      unitRef="pure">0.051</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000204700Member_CommunicationsSectorMember"
      decimals="4"
      id="h_7b218641_1d50_4493_a4c4_95eab6a033d0"
      unitRef="pure">0.098</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000102221Member_ConsumerDiscretionarySectorMember"
      decimals="4"
      id="h_7eff89ea_c9c2_4f86_95aa_c8466f32f250"
      unitRef="pure">0.041</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000101722Member_RepurchaseAgreementsMember"
      decimals="4"
      id="h_81fd5310_d1e0_418c_a35e_5fbb576a863e"
      unitRef="pure">0.040</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000054156Member_UtilitiesSectorMember"
      decimals="4"
      id="h_8a20c85c_c2b4_446a_9f08_b5216c2906d4"
      unitRef="pure">0.077</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000146603Member_UnclassifiedSectorMember"
      decimals="4"
      id="h_8f04bb04_f7e7_472d_977c_e6e7e33bcd02"
      unitRef="pure">0.021</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000240529Member_HealthcareSectorMember"
      decimals="4"
      id="h_8f822d04_d463_4824_b113_444c8e97965d"
      unitRef="pure">0.014</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000101722Member_IndustrialSectorMember"
      decimals="4"
      id="h_954c5141_d374_42ab_87dd_5b85886e11f2"
      unitRef="pure">0.065</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000054156Member_CommunicationsSectorMember"
      decimals="4"
      id="h_95f447c9_aa6d_4d0b_a9f1_c172e0445f56"
      unitRef="pure">0.104</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000205597Member_CommunicationsSectorMember"
      decimals="4"
      id="h_96966703_8e99_43a4_b8e5_1cbfc9c2f0a0"
      unitRef="pure">0.380</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000204700Member_ConsumerDiscretionarySectorMember"
      decimals="4"
      id="h_96ca0d9e_3f42_421e_b084_39b2c5b85471"
      unitRef="pure">0.146</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000146603Member_HealthcareSectorMember"
      decimals="4"
      id="h_98b862f9_0751_4e15_a3da_3b1d1186441e"
      unitRef="pure">0.076</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000240529Member_MaterialsSectorMember"
      decimals="4"
      id="h_a0f96493_b5c9_43ea_b5a4_421e3a606aac"
      unitRef="pure">0.089</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000051966Member_MoneyMarketFundsMember"
      decimals="4"
      id="h_a242110d_f10e_456f_a706_c6abe3afb95b"
      unitRef="pure">0.003</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000087411Member_IndustrialSectorMember"
      decimals="4"
      id="h_a361c3b5_a0af_4af5_8e63_1f4b7333c170"
      unitRef="pure">0.295</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000204700Member_IndustrialSectorMember"
      decimals="4"
      id="h_a4082922_1fb8_4bf1_8ca3_a0cf5484fb69"
      unitRef="pure">0.128</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000240529Member_ConsumerStaplesSectorMember"
      decimals="4"
      id="h_a860eb4a_4336_4a8d_b8bb_58cebc2accbc"
      unitRef="pure">0.064</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000081044Member_ConsumerDiscretionarySectorMember"
      decimals="4"
      id="h_a91ff94b_484f_44e4_81e2_2d03aa9c5992"
      unitRef="pure">0.053</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000087410Member_EnergySectorMember"
      decimals="4"
      id="h_aaac84c0_a459_4e7d_bd08_f77d9a39827c"
      unitRef="pure">0.259</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000054156Member_IndustrialSectorMember"
      decimals="4"
      id="h_aab2a39d_54c4_4652_8e44_183f23ddff45"
      unitRef="pure">0.061</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000087410Member_RealEstateSectorMember"
      decimals="4"
      id="h_ad184c6d_5078_4bf5_846b_92fe00e72362"
      unitRef="pure">0.039</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000087410Member_IndustrialSectorMember"
      decimals="4"
      id="h_af2bb024_751b_4a45_8aed_03fd7b50b33c"
      unitRef="pure">0.056</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000245005Member_UnclassifiedSectorMember"
      decimals="4"
      id="h_af658a00_43f8_4b96_b617_23b3a56447d5"
      unitRef="pure">0.028</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000102221Member_CommunicationsSectorMember"
      decimals="4"
      id="h_b028d5ef_d370_4c0e_ae66_e699cfac04b5"
      unitRef="pure">0.069</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000245005Member_UtilitiesSectorMember"
      decimals="4"
      id="h_b227c916_5ba8_4f5e_aff2_4a6a6f8f4983"
      unitRef="pure">0.042</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000204700Member_ConsumerStaplesSectorMember"
      decimals="4"
      id="h_b33f09d7_129b_470c_8029_adba4701124f"
      unitRef="pure">0.035</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000092838Member_ConsumerDiscretionarySectorMember"
      decimals="4"
      id="h_b4934cad_3356_474c_a150_106f4dc11157"
      unitRef="pure">0.025</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000146603Member_InformationTechnologySectorMember"
      decimals="4"
      id="h_b5760a1b_a99f_4bd6_8a83_525c5ce45c2f"
      unitRef="pure">0.194</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000092838Member_InformationTechnologySectorMember"
      decimals="4"
      id="h_b6931e8d_150b_47b3_974b_42bf25c36d24"
      unitRef="pure">0.572</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000102221Member_InformationTechnologySectorMember"
      decimals="4"
      id="h_b8bbadba_ab4f_40db_9acd_910bc435f154"
      unitRef="pure">0.859</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000051966Member_CommunicationsSectorMember"
      decimals="4"
      id="h_b8eb1385_77d7_4184_9861_10041c98be35"
      unitRef="pure">0.055</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000081044Member_MoneyMarketFundsMember"
      decimals="4"
      id="h_ba0519c2_c0fb_41c2_a197_a8658bf87f5b"
      unitRef="pure">0.002</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000234334Member_InformationTechnologySectorMember"
      decimals="4"
      id="h_c0e4af05_3acf_42bc_b4af_0486982b66fa"
      unitRef="pure">0.510</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000159087Member_RepurchaseAgreementsMember"
      decimals="4"
      id="h_c2f8fb99_0cf6_4276_b1fa_bb63b290128b"
      unitRef="pure">0.005</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000159087Member_IndustrialSectorMember"
      decimals="4"
      id="h_c49538be_f829_4ba1_929f_3149fe8fd744"
      unitRef="pure">0.146</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000204700Member_EnergySectorMember"
      decimals="4"
      id="h_c8301879_75f9_443a_8ab0_96cc7e57b427"
      unitRef="pure">0.043</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000071160Member_UtilitiesSectorMember"
      decimals="4"
      id="h_cb986de5_dee9_4410_93d1_4064c21e8805"
      unitRef="pure">0.314</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000253539Member_CommunicationsSectorMember"
      decimals="4"
      id="h_cc643059_e99a_44c9_935f_80c8a97fd944"
      unitRef="pure">0.164</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000101722Member_InformationTechnologySectorMember"
      decimals="4"
      id="h_cdcb9ec6_5a3c_46ce_8fce_a968b793f736"
      unitRef="pure">0.528</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000102221Member_HealthcareSectorMember"
      decimals="4"
      id="h_ceaa9e34_3679_4d02_85b6_db033e5c2e3a"
      unitRef="pure">0.008</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000146603Member_EnergySectorMember"
      decimals="4"
      id="h_d351c4ab_73db_44a5_9211_7e3da80d5caf"
      unitRef="pure">0.023</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000051966Member_IndustrialSectorMember"
      decimals="4"
      id="h_d3d786b8_a6e6_4457_8e10_dfcd143a6e3e"
      unitRef="pure">0.040</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000102221Member_MoneyMarketFundsMember"
      decimals="4"
      id="h_d46e1f6e_a9ff_4291_9c37_a527da144ecd"
      unitRef="pure">0.001</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000066484Member_EnergySectorMember"
      decimals="4"
      id="h_d496c467_0186_401a_aeba_bc220b6b6e30"
      unitRef="pure">0.004</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000234334Member_HealthcareSectorMember"
      decimals="4"
      id="h_d4d91ef3_324d_4645_a91c_1a1765f2d664"
      unitRef="pure">0.010</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000092838Member_RepurchaseAgreementsMember"
      decimals="4"
      id="h_d50477eb_1530_41f6_adae_10724a7c4c0e"
      unitRef="pure">0.022</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000071160Member_InformationTechnologySectorMember"
      decimals="4"
      id="h_d8f7dcb6_c077_4c29_aa03_84996c9f4b8e"
      unitRef="pure">0.078</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000204700Member_UnclassifiedSectorMember"
      decimals="4"
      id="h_da41004a_b051_44e2_a539_f717fc70ff80"
      unitRef="pure">0.023</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000102221Member_FinancialServicesSectorMember"
      decimals="4"
      id="h_db3771a2_ba05_40ed_9189_2f89e2e82640"
      unitRef="pure">0.006</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000240529Member_ConsumerDiscretionarySectorMember"
      decimals="4"
      id="h_de7e8402_3adf_45d7_aacf_20332450bcea"
      unitRef="pure">0.094</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000159087Member_MoneyMarketFundsMember"
      decimals="4"
      id="h_dee2e23f_7e97_46a5_a80a_c2ab8aa9dba8"
      unitRef="pure">0.002</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000234707Member_FinancialServicesSectorMember"
      decimals="4"
      id="h_df6c1fce_e97c_4083_b3cf_d9789c6f021d"
      unitRef="pure">0.013</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000071160Member_MaterialsSectorMember"
      decimals="4"
      id="h_e0f8f5ae_b52d_4151_a2a8_e4a0f847378d"
      unitRef="pure">0.061</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000245005Member_EnergySectorMember"
      decimals="4"
      id="h_e5edba45_dae4_4eee_951d_5444ee5f8e0d"
      unitRef="pure">0.036</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000245005Member_IndustrialSectorMember"
      decimals="4"
      id="h_ec73f7fa_0497_4050_b639_03ba088ad31d"
      unitRef="pure">0.090</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000245005Member_MaterialsSectorMember"
      decimals="4"
      id="h_ecc7d717_a6fd_42a2_91cd_237e95df937d"
      unitRef="pure">0.080</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000234334Member_ConsumerDiscretionarySectorMember"
      decimals="4"
      id="h_edbff8cf_9a8e_4af1_a2e5_d18ae652e0e0"
      unitRef="pure">0.038</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000146603Member_CommunicationsSectorMember"
      decimals="4"
      id="h_eeb95bc9_0187_4e2d_9492_160db8b13729"
      unitRef="pure">0.157</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000146603Member_MaterialsSectorMember"
      decimals="4"
      id="h_f1d31e02_b982_4c51_8ad3_695672dec617"
      unitRef="pure">0.076</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000234334Member_MoneyMarketFundsMember"
      decimals="4"
      id="h_f2489266_8693_4220_ad9d_dc430efa659e"
      unitRef="pure">0.003</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000071160Member_IndustrialSectorMember"
      decimals="4"
      id="h_f34cac32_2969_481f_af4a_de9df8998300"
      unitRef="pure">0.409</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000081044Member_IndustrialSectorMember"
      decimals="4"
      id="h_f6aa3433_3257_493b_bd18_32ab14a8efc9"
      unitRef="pure">0.567</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000087410Member_UtilitiesSectorMember"
      decimals="4"
      id="h_f888f4dd_f489_4b6e_910e_964e23475317"
      unitRef="pure">0.124</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000087411Member_ConsumerDiscretionarySectorMember"
      decimals="4"
      id="h_f95ee555_041d_4b5c_92e5_f39ecedcaba1"
      unitRef="pure">0.087</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000092838Member_CommunicationsSectorMember"
      decimals="4"
      id="h_fa45eb00_ad73_4ed9_af65_25f9278e4c2f"
      unitRef="pure">0.293</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000245005Member_InformationTechnologySectorMember"
      decimals="4"
      id="h_fbbf2976_4455_4dbe_a891_1790c8b96c26"
      unitRef="pure">0.229</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000204700Member_FinancialServicesSectorMember"
      decimals="4"
      id="h_ff644a01_294f_4f1d_91a7_d767845415a9"
      unitRef="pure">0.181</oef:PctOfTotalInv>
    <dei:EntityCentralIndexKey
      contextRef="DefaultContext"
      id="h1_b5d2f2ae_48f6_4298_94d5_59af43153646">0001364608</dei:EntityCentralIndexKey>
    <dei:AmendmentFlag
      contextRef="DefaultContext"
      id="h3_83433201_af48_4693_877c_dcaefa9a194f">false</dei:AmendmentFlag>
    <dei:EntityInvCompanyType
      contextRef="DefaultContext"
      id="h_2_9245af21-b244-218a-1437-dbb6ee56e737">N-1A</dei:EntityInvCompanyType>
    <dei:DocumentType
      contextRef="DefaultContext"
      id="t_1_e6831a4a_a44e_3706_a192_f76c0a97934c">N-CSRS</dei:DocumentType>
    <dei:SecurityExchangeName
      contextRef="D20241001_20250331_C000234707Member"
      id="t_14_46862760_f89e_2584_fd0c_0fa03514d570">NASDAQ</dei:SecurityExchangeName>
    <dei:SecurityExchangeName
      contextRef="D20241001_20250331_C000205597Member"
      id="t_14_7928291e_7700_d6a4_192f_b1f0a0697c74">NASDAQ</dei:SecurityExchangeName>
    <dei:SecurityExchangeName
      contextRef="D20241001_20250331_C000234334Member"
      id="t_14_8ce711d5_221a_1593_963a_6b0fa6af3801">NASDAQ</dei:SecurityExchangeName>
    <dei:SecurityExchangeName
      contextRef="D20241001_20250331_C000101722Member"
      id="t_14_9569f5ee_110d_c21e_2fe1_54a60f1419dd">NASDAQ</dei:SecurityExchangeName>
    <dei:SecurityExchangeName
      contextRef="D20241001_20250331_C000240529Member"
      id="t_14_a4a9761a_4ff5_52b4_c9c1_8094391493a4">NYSEArca</dei:SecurityExchangeName>
    <dei:SecurityExchangeName
      contextRef="D20241001_20250331_C000054156Member"
      id="t_14_a8a15d16_dbdc_b516_d89d_820f7e237d6c">NYSEArca</dei:SecurityExchangeName>
    <dei:SecurityExchangeName
      contextRef="D20241001_20250331_C000066484Member"
      id="t_14_b10a96ec_9f10_efb0_d10a_e76104a02f2f">NYSEArca</dei:SecurityExchangeName>
    <dei:SecurityExchangeName
      contextRef="D20241001_20250331_C000245005Member"
      id="t_14_ca37a191_002f_32f7_461c_b65212be0fdb">NYSEArca</dei:SecurityExchangeName>
    <dei:SecurityExchangeName
      contextRef="D20241001_20250331_C000253539Member"
      id="t_16_66ace525_d0a6_b5d6_6e5f_9d203254f596">NYSEArca</dei:SecurityExchangeName>
    <dei:SecurityExchangeName
      contextRef="D20241001_20250331_C000087411Member"
      id="t_4_0eb8945a_9d53_f45f_7af3_df5e184da1ea">NASDAQ</dei:SecurityExchangeName>
    <dei:SecurityExchangeName
      contextRef="D20241001_20250331_C000081044Member"
      id="t_4_3a1a7036_7b0a_3eba_0ea7_f379dcc420ff">NASDAQ</dei:SecurityExchangeName>
    <dei:SecurityExchangeName
      contextRef="D20241001_20250331_C000051967Member"
      id="t_4_4d03870d_3c88_9def_f43d_1d7b26d77c1d">NYSEArca</dei:SecurityExchangeName>
    <dei:SecurityExchangeName
      contextRef="D20241001_20250331_C000051966Member"
      id="t_4_4ff9bcfa_4eb9_48c2_9788_3901d9e181e6">NYSEArca</dei:SecurityExchangeName>
    <dei:SecurityExchangeName
      contextRef="D20241001_20250331_C000102221Member"
      id="t_4_58954cde_a9bc_d2e1_fe8c_0952c2faec85">NASDAQ</dei:SecurityExchangeName>
    <dei:SecurityExchangeName
      contextRef="D20241001_20250331_C000087410Member"
      id="t_4_5e66df3c_3f2b_ce65_3c05_d0cf926b5dd2">NASDAQ</dei:SecurityExchangeName>
    <dei:SecurityExchangeName
      contextRef="D20241001_20250331_C000204700Member"
      id="t_4_8cba3119_b4ab_35c5_d288_cd01b4bec139">NASDAQ</dei:SecurityExchangeName>
    <dei:SecurityExchangeName
      contextRef="D20241001_20250331_C000071160Member"
      id="t_4_95a7321d_0ddb_8ebb_32fe_225d88b59602">NYSEArca</dei:SecurityExchangeName>
    <dei:SecurityExchangeName
      contextRef="D20241001_20250331_C000159087Member"
      id="t_4_a59d6450_0524_8e0f_993e_24fbc12fa1a1">NASDAQ</dei:SecurityExchangeName>
    <dei:SecurityExchangeName
      contextRef="D20241001_20250331_C000092838Member"
      id="t_4_cbe0a0fb_ae3a_6fd2_6de8_bb1d58117497">NASDAQ</dei:SecurityExchangeName>
    <dei:SecurityExchangeName
      contextRef="D20241001_20250331_C000146603Member"
      id="t_6_83918c59_a996_c5b3_ed87_99088f3b6896">NASDAQ</dei:SecurityExchangeName>
    <dei:EntityRegistrantName
      contextRef="DefaultContext"
      id="t_1_f8c9756e_17d0_8d42_7f80_d24bd4d2b720">First Trust Exchange-Traded Fund II</dei:EntityRegistrantName>
    <dei:DocumentPeriodEndDate
      contextRef="DefaultContext"
      id="t_2_30a2932e_a823_e9b2_aac0_e217a6958812">2025-03-31</dei:DocumentPeriodEndDate>
    <oef:ClassName
      contextRef="D20241001_20250331_C000051966Member"
      id="t_1_63ad29e2_fb13_a148_2703_dc211e09b16d">First Trust STOXX&#xae; European Select Dividend Index Fund</oef:ClassName>
    <oef:FundName
      contextRef="D20241001_20250331_C000051966Member"
      id="t_2_030cc42c_bd6b_5e33_29a0_40543e78baec">First Trust STOXX&#xae; European Select Dividend Index Fund</oef:FundName>
    <dei:TradingSymbol
      contextRef="D20241001_20250331_C000051966Member"
      id="t_3_ea2054bc_fd22_bda9_f587_ebb627c22f06">FDD</dei:TradingSymbol>
    <oef:AnnlOrSemiAnnlStatementTextBlock
      contextRef="D20241001_20250331_C000051966Member"
      id="t_4_f06f9017_0609_ad6e_6915_a0849134c4d5">This semi-annual shareholder report contains important information about the First Trust STOXX&lt;sup style="vertical-align:3.2pt;line-height:0px"&gt;&#xae;&lt;/sup&gt; European Select Dividend Index Fund (the &#x201c;Fund&#x201d;) for the period of October 1, 2024 to March 31, 2025.</oef:AnnlOrSemiAnnlStatementTextBlock>
    <oef:ShareholderReportAnnualOrSemiAnnual
      contextRef="D20241001_20250331_C000051966Member"
      id="t_5_794ecb59_f829_b2f5_f366_bb997b167bb2">semi-annual shareholder report</oef:ShareholderReportAnnualOrSemiAnnual>
    <oef:AddlInfoTextBlock
      contextRef="D20241001_20250331_C000051966Member"
      id="t_6_b076cc58_6ef7_09fd_0f9c_634e66223664">You can find additional information about the Fund at &lt;span style="white-space:nowrap;color:rgb(0, 60, 113);text-decoration-line:underline"&gt;www.ftportfolios.com/fund-documents/etf/FDD&lt;/span&gt;. You can also request this information by contacting us at 1-800-621-1675 or &lt;span style="text-decoration-line:underline;color:rgb(0, 60, 113);font-family:'timesnewrompspro';font-size:9pt"&gt;info@ftportfolios.com&lt;/span&gt;.</oef:AddlInfoTextBlock>
    <oef:AddlInfoWebsite
      contextRef="D20241001_20250331_C000051966Member"
      id="t_7_a909d03a_eb50_6e07_6f61_f3ecce8eac0e">www.ftportfolios.com/fund-documents/etf/FDD</oef:AddlInfoWebsite>
    <oef:AddlInfoPhoneNumber
      contextRef="D20241001_20250331_C000051966Member"
      id="t_8_da9837bb_ea90_9c6a_c00c_6f0e85ab6cda">1-800-621-1675</oef:AddlInfoPhoneNumber>
    <oef:AddlInfoEmail
      contextRef="D20241001_20250331_C000051966Member"
      id="t_10_3c3ef58a_01ec_3d25_86e4_491f6e59ece4">info@ftportfolios.com</oef:AddlInfoEmail>
    <oef:ExpensesTextBlock
      contextRef="D20241001_20250331_C000051966Member"
      id="t_9_be39eca9_ef3d_a395_b77f_59f98028b2e8">&lt;div style="margin-top:0px;font-kerning:none;font-family:'timesnewrompspro';color:rgb(0, 60, 113);font-size:11.52pt;font-weight:bold;margin-bottom:3pt;"&gt;WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS?&lt;/div&gt;&lt;div style="margin-top:0px;margin-bottom:0px;font-kerning:none;font-family:'timesnewrompspro';color:rgb(0, 0, 0);font-size:9pt;"&gt;(Based on a hypothetical $10,000 investment)&lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page"&gt;
&lt;tr style="break-after:avoid;border-bottom-style:solid;border-bottom-width:1pt;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-weight: bold; text-align: left; font-size: 9pt; font-kerning: none; vertical-align: bottom;"&gt;Fund&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-weight: bold; vertical-align: bottom;"&gt;Costs of a $10,000 investment&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-weight: bold; vertical-align: bottom;"&gt;Costs paid as a percentage&lt;br/&gt; of a $10,000 investment&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:initial;border-bottom-style:none;break-inside:avoid-page;height:20pt;border-bottom-color:initial"&gt;
&lt;td style="break-inside: avoid-page; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-kerning: none; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; vertical-align: bottom;"&gt;First Trust STOXX&lt;sup style="vertical-align:3.2pt;line-height:0px"&gt;&#xae;&lt;/sup&gt; European Select Dividend Index Fund&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; vertical-align: bottom;"&gt;&lt;span style="float:none"&gt;$&lt;/span&gt;31&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; vertical-align: bottom;"&gt;0.59&lt;span&gt;%&lt;/span&gt;&lt;sup style="vertical-align:3.2pt;line-height:0px"&gt;(1)&lt;/sup&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page"&gt;
&lt;tr style="border-bottom-width:initial;border-bottom-style:none;break-inside:avoid-page;height:9pt;border-bottom-color:initial"&gt;
&lt;td style="break-inside: avoid-page; font-kerning: none; padding-top: 0; padding-right: 0; padding-bottom: 0; padding-left: 0; font-family: 'TimesNewRomPSPro'; font-style: normal; font-size: 7.5pt; color: rgb(0, 0, 0); text-align: left; width: 1.8em; vertical-align: top;"&gt;
&lt;div style="font-kerning:none;font-family:'timesnewrompspro';color:rgb(0, 0, 0);font-size:7.5pt;margin-top:0px;margin-bottom:0px;"&gt;&#x200b;&lt;sup style="vertical-align:3.2pt;line-height:0px"&gt;(1)&lt;/sup&gt;&lt;/div&gt;&lt;/td&gt;
&lt;td style="break-inside: avoid-page; padding-top: 3px; padding-right: 0; padding-bottom: 0; padding-left: 0; font-family: 'TimesNewRomPSPro'; font-style: normal; font-size: 7.5pt; color: rgb(0, 0, 0); text-align: left; vertical-align: top;"&gt;
&lt;div style="font-kerning:none;font-family:'timesnewrompspro';color:rgb(0, 0, 0);font-size:7.5pt;margin-top:0px;margin-bottom:0px;"&gt;Annualized.&lt;/div&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;</oef:ExpensesTextBlock>
    <oef:ExpensesPaidAmt
      contextRef="D20241001_20250331_C000051966Member"
      decimals="INF"
      id="h_1_92ecc5d2_ebc9_4c04_8aed_6276712bc764"
      unitRef="USD">31</oef:ExpensesPaidAmt>
    <oef:ExpenseRatioPct
      contextRef="D20241001_20250331_C000051966Member"
      decimals="4"
      id="h_2_721462c1_d331_4585_8978_62138926b64a"
      unitRef="pure">0.0059</oef:ExpenseRatioPct>
    <oef:AddlFundStatisticsTextBlock
      contextRef="D20241001_20250331_C000051966Member"
      id="t_11_fa696fc5_79b2_1cf9_b8bc_99630b39f03f">&lt;div style="font-kerning:none;font-family:'timesnewrompspro';color:rgb(0, 60, 113);font-size:11.52pt;font-weight:bold;margin-bottom:3pt;margin-top:10pt;"&gt;KEY FUND STATISTICS (As of March 31, 2025)&lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page"&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-kerning: none; color: rgb(0, 0, 0); font-size: 9pt; font-weight: bold; text-align: left; width: 60%; font-family: 'TimesNewRomPSPro'; font-style: normal;"&gt;Fund net assets&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt;"&gt;&lt;span style="float:none"&gt;$&lt;/span&gt;226,089,776&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-kerning: none; color: rgb(0, 0, 0); font-size: 9pt; font-weight: bold; text-align: left; width: 60%; font-family: 'TimesNewRomPSPro'; font-style: normal;"&gt;Total number of portfolio holdings&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt;"&gt;31&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:initial;border-bottom-style:none;break-inside:avoid-page;height:20pt;border-bottom-color:initial"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-kerning: none; color: rgb(0, 0, 0); font-size: 9pt; font-weight: bold; text-align: left; width: 60%; font-family: 'TimesNewRomPSPro'; font-style: normal;"&gt;Portfolio turnover rate&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt;"&gt;23&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;</oef:AddlFundStatisticsTextBlock>
    <us-gaap:AssetsNet
      contextRef="TI20250331_C000051966Member"
      decimals="INF"
      id="h_3_72dea9c6_387a_4cb3_ace3_47451a19987e"
      unitRef="USD">226089776</us-gaap:AssetsNet>
    <oef:HoldingsCount
      contextRef="TI20250331_C000051966Member"
      decimals="INF"
      id="h_4_4379281f_538e_4e0c_a231_b595493ad629"
      unitRef="Holding">31</oef:HoldingsCount>
    <us-gaap:InvestmentCompanyPortfolioTurnover
      contextRef="D20241001_20250331_C000051966Member"
      decimals="4"
      id="h_5_63e4e497_1e3a_4708_aeae_ea934f403fed"
      unitRef="pure">0.23</us-gaap:InvestmentCompanyPortfolioTurnover>
    <oef:HoldingsTableTextBlock
      contextRef="D20241001_20250331_C000051966Member"
      id="t_12_e7dce572_a6d7_fb14_5e08_d2e29331249f">&lt;div style="margin-top:0px;font-kerning:none;font-family:'timesnewrompspro';color:rgb(0, 60, 113);font-size:11.52pt;font-weight:bold;margin-bottom:3pt;"&gt;WHAT DID THE FUND INVEST IN? (As of March 31, 2025)&lt;/div&gt;&lt;div style="margin-top:0px;font-family:'timesnewrompspro';color:rgb(0, 0, 0);font-size:9pt;margin-bottom:10pt;font-kerning:none;"&gt;The tables below show the investment makeup of the Fund, representing the percentage of total investments of the Fund.&lt;/div&gt;&lt;div style="border-bottom-width:1pt;border-bottom-style:solid;font-kerning:none;font-family:'timesnewrompspro';color:rgb(0, 0, 0);letter-spacing:1.25px;text-transform:uppercase;font-size:9pt;border-bottom-color:rgb(0, 0, 0);text-align:center;padding-bottom:5pt;margin-top:5pt;font-weight:bold;margin-bottom:0px;"&gt; &lt;b&gt;Top Ten Holdings&lt;/b&gt; &lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page"&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Aker BP ASA&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;6.0&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Legal &amp;amp; General Group PLC&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;5.3&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Taylor Wimpey PLC&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;5.1&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Rio Tinto PLC&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;4.1&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;ABN AMRO Bank N.V.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;4.0&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;AP Moller - Maersk A/S, Class A&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;4.0&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;NN Group N.V.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;3.9&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;HSBC Holdings PLC&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;3.6&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Rubis S.C.A.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;3.6&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:initial;border-bottom-style:none;break-inside:avoid-page;height:20pt;border-bottom-color:initial"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Volkswagen AG&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;3.5&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;&lt;div style="border-bottom-width:1pt;border-bottom-style:solid;font-kerning:none;font-family:'timesnewrompspro';color:rgb(0, 0, 0);letter-spacing:1.25px;text-transform:uppercase;font-size:9pt;border-bottom-color:rgb(0, 0, 0);text-align:center;padding-bottom:5pt;margin-bottom:5pt;font-weight:bold;margin-top:3pt;"&gt; &lt;b&gt;Sector Allocation&lt;/b&gt; &lt;/div&gt;&lt;div style="padding-left:10pt;padding-right:0px;"&gt; &lt;img alt="Graphical Representation - Allocation 2 Chart" src="chartimages_9832868.jpg" style="width: 172.8pt;"/&gt;  &lt;/div&gt;</oef:HoldingsTableTextBlock>
    <oef:LargestHoldingsTableTextBlock
      contextRef="D20241001_20250331_C000051966Member"
      id="t_13_f3a0518e_6e53_e8a6_9d99_9519586734bd">&lt;div style="border-bottom-width:1pt;border-bottom-style:solid;font-kerning:none;font-family:'timesnewrompspro';color:rgb(0, 0, 0);letter-spacing:1.25px;text-transform:uppercase;font-size:9pt;border-bottom-color:rgb(0, 0, 0);text-align:center;padding-bottom:5pt;margin-top:5pt;font-weight:bold;margin-bottom:0px;"&gt; &lt;b&gt;Top Ten Holdings&lt;/b&gt; &lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page"&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Aker BP ASA&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;6.0&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Legal &amp;amp; General Group PLC&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;5.3&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Taylor Wimpey PLC&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;5.1&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Rio Tinto PLC&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;4.1&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;ABN AMRO Bank N.V.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;4.0&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;AP Moller - Maersk A/S, Class A&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;4.0&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;NN Group N.V.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;3.9&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;HSBC Holdings PLC&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;3.6&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Rubis S.C.A.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;3.6&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:initial;border-bottom-style:none;break-inside:avoid-page;height:20pt;border-bottom-color:initial"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Volkswagen AG&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;3.5&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;</oef:LargestHoldingsTableTextBlock>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000051966Member_AkerBPASAMember"
      decimals="4"
      id="h_6_82298bbc_d5a3_46a8_aeb4_d487499aca13"
      unitRef="pure">0.060</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000051966Member_LegalAndGeneralGroupPLCMember"
      decimals="4"
      id="h_7_982dd4c5_79fc_4d7c_aff6_215fdd3d8cd2"
      unitRef="pure">0.053</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000051966Member_TaylorWimpeyPLCMember"
      decimals="4"
      id="h_8_e2c6dae2_00f9_4dc1_baf6_cd50b41ca09b"
      unitRef="pure">0.051</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000051966Member_RioTintoPLCMember"
      decimals="4"
      id="h_9_2dcaeb04_2dc5_4d65_91a9_685248eda7bc"
      unitRef="pure">0.041</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000051966Member_ABNAMROBankNVMember"
      decimals="4"
      id="h_10_c084f14a_5775_4039_a2b4_9b823b3a3bc9"
      unitRef="pure">0.040</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000051966Member_APMollerMaerskASClassAMember"
      decimals="4"
      id="h_11_5497a9b7_c01d_4750_ae78_780f91a224f4"
      unitRef="pure">0.040</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000051966Member_NNGroupNVMember"
      decimals="4"
      id="h_12_ee41f378_291b_4da8_b0a2_6c4253769cd5"
      unitRef="pure">0.039</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000051966Member_HSBCHoldingsPLCMember"
      decimals="4"
      id="h_13_3c4d2e31_7c46_4ae4_8205_1200b3c900c0"
      unitRef="pure">0.036</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000051966Member_RubisSCAMember"
      decimals="4"
      id="h_14_94fd712d_f637_459a_8df5_412609b84d0b"
      unitRef="pure">0.036</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000051966Member_VolkswagenAGMember"
      decimals="4"
      id="h_15_9be9bff0_efda_44f4_8c6e_a897dc92c83d"
      unitRef="pure">0.035</oef:PctOfTotalInv>
    <oef:ClassName
      contextRef="D20241001_20250331_C000051967Member"
      id="t_1_e3d5ce0c_def6_a01c_e242_7a8266d28962">First Trust Alerian Disruptive Technology Real Estate ETF</oef:ClassName>
    <oef:FundName
      contextRef="D20241001_20250331_C000051967Member"
      id="t_2_e5711f60_4889_64c8_8e76_0ec3923825ed">First Trust Alerian Disruptive Technology Real Estate ETF</oef:FundName>
    <dei:TradingSymbol
      contextRef="D20241001_20250331_C000051967Member"
      id="t_3_10514891_e3f7_ae7c_42cc_6cdcde81128c">DTRE</dei:TradingSymbol>
    <oef:AnnlOrSemiAnnlStatementTextBlock
      contextRef="D20241001_20250331_C000051967Member"
      id="t_4_9302c3fc_61ba_4636_3550_bf2320895435">This semi-annual shareholder report contains important information about the First Trust Alerian Disruptive Technology Real Estate ETF (the &#x201c;Fund&#x201d;) for the period of October 1, 2024 to March 31, 2025.</oef:AnnlOrSemiAnnlStatementTextBlock>
    <oef:ShareholderReportAnnualOrSemiAnnual
      contextRef="D20241001_20250331_C000051967Member"
      id="t_5_935d6840_c113_47a2_f7f4_4039ef32f839">semi-annual shareholder report</oef:ShareholderReportAnnualOrSemiAnnual>
    <oef:AddlInfoTextBlock
      contextRef="D20241001_20250331_C000051967Member"
      id="t_6_be16cdb4_a25b_de4e_7085_1bdf444db0c9">You can find additional information about the Fund at &lt;span style="white-space:nowrap;color:rgb(0, 60, 113);text-decoration-line:underline"&gt;www.ftportfolios.com/fund-documents/etf/DTRE&lt;/span&gt;. You can also request this information by contacting us at 1-800-621-1675 or &lt;span style="text-decoration-line:underline;color:rgb(0, 60, 113);font-family:'timesnewrompspro';font-size:9pt"&gt;info@ftportfolios.com&lt;/span&gt;.</oef:AddlInfoTextBlock>
    <oef:AddlInfoWebsite
      contextRef="D20241001_20250331_C000051967Member"
      id="t_7_2b6e10c7_3cf6_2701_be01_2c182b54497e">www.ftportfolios.com/fund-documents/etf/DTRE</oef:AddlInfoWebsite>
    <oef:AddlInfoPhoneNumber
      contextRef="D20241001_20250331_C000051967Member"
      id="t_8_411d61e1_4a21_66a3_430a_d2399206f42c">1-800-621-1675</oef:AddlInfoPhoneNumber>
    <oef:AddlInfoEmail
      contextRef="D20241001_20250331_C000051967Member"
      id="t_9_5038e47e_bdff_e380_cd29_135396737356">info@ftportfolios.com</oef:AddlInfoEmail>
    <oef:ExpensesTextBlock
      contextRef="D20241001_20250331_C000051967Member"
      id="t_10_98aceda3_3786_bc3d_9fce_b3f57d3fdfd8">&lt;div style="margin-top:0px;font-kerning:none;font-family:'timesnewrompspro';color:rgb(0, 60, 113);font-size:11.52pt;font-weight:bold;margin-bottom:3pt;"&gt;WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS?&lt;/div&gt;&lt;div style="margin-top:0px;margin-bottom:0px;font-kerning:none;font-family:'timesnewrompspro';color:rgb(0, 0, 0);font-size:9pt;"&gt;(Based on a hypothetical $10,000 investment)&lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page"&gt;
&lt;tr style="break-after:avoid;border-bottom-style:solid;border-bottom-width:1pt;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-weight: bold; text-align: left; font-size: 9pt; font-kerning: none; vertical-align: bottom;"&gt;Fund&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-weight: bold; vertical-align: bottom;"&gt;Costs of a $10,000 investment&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-weight: bold; vertical-align: bottom;"&gt;Costs paid as a percentage&lt;br/&gt; of a $10,000 investment&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:initial;border-bottom-style:none;break-inside:avoid-page;height:20pt;border-bottom-color:initial"&gt;
&lt;td style="break-inside: avoid-page; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-kerning: none; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; vertical-align: bottom;"&gt;First Trust Alerian Disruptive Technology Real Estate ETF&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; vertical-align: bottom;"&gt;&lt;span style="float:none"&gt;$&lt;/span&gt;29&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; vertical-align: bottom;"&gt;0.60&lt;span&gt;%&lt;/span&gt;&lt;sup style="vertical-align:3.2pt;line-height:0px"&gt;(1)&lt;/sup&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page"&gt;
&lt;tr style="border-bottom-width:initial;border-bottom-style:none;break-inside:avoid-page;height:9pt;border-bottom-color:initial"&gt;
&lt;td style="break-inside: avoid-page; font-kerning: none; padding-top: 0; padding-right: 0; padding-bottom: 0; padding-left: 0; font-family: 'TimesNewRomPSPro'; font-style: normal; font-size: 7.5pt; color: rgb(0, 0, 0); text-align: left; width: 1.8em; vertical-align: top;"&gt;
&lt;div style="font-kerning:none;font-family:'timesnewrompspro';color:rgb(0, 0, 0);font-size:7.5pt;margin-top:0px;margin-bottom:0px;"&gt;&#x200b;&lt;sup style="vertical-align:3.2pt;line-height:0px"&gt;(1)&lt;/sup&gt;&lt;/div&gt;&lt;/td&gt;
&lt;td style="break-inside: avoid-page; padding-top: 3px; padding-right: 0; padding-bottom: 0; padding-left: 0; font-family: 'TimesNewRomPSPro'; font-style: normal; font-size: 7.5pt; color: rgb(0, 0, 0); text-align: left; vertical-align: top;"&gt;
&lt;div style="font-kerning:none;font-family:'timesnewrompspro';color:rgb(0, 0, 0);font-size:7.5pt;margin-top:0px;margin-bottom:0px;"&gt;Annualized.&lt;/div&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;</oef:ExpensesTextBlock>
    <oef:ExpensesPaidAmt
      contextRef="D20241001_20250331_C000051967Member"
      decimals="INF"
      id="h_16_5b1bb1ba_427d_4f86_8081_20a890162bd2"
      unitRef="USD">29</oef:ExpensesPaidAmt>
    <oef:ExpenseRatioPct
      contextRef="D20241001_20250331_C000051967Member"
      decimals="4"
      id="h_17_441186e0_498b_49cd_950c_f88371f1bb4b"
      unitRef="pure">0.0060</oef:ExpenseRatioPct>
    <oef:AddlFundStatisticsTextBlock
      contextRef="D20241001_20250331_C000051967Member"
      id="t_11_28f56a93_b99f_1c5f_622f_f026d74723fe">&lt;div style="font-kerning:none;font-family:'timesnewrompspro';color:rgb(0, 60, 113);font-size:11.52pt;font-weight:bold;margin-bottom:3pt;margin-top:10pt;"&gt;KEY FUND STATISTICS (As of March 31, 2025)&lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page"&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-kerning: none; color: rgb(0, 0, 0); font-size: 9pt; font-weight: bold; text-align: left; width: 60%; font-family: 'TimesNewRomPSPro'; font-style: normal;"&gt;Fund net assets&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt;"&gt;&lt;span style="float:none"&gt;$&lt;/span&gt;15,468,003&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-kerning: none; color: rgb(0, 0, 0); font-size: 9pt; font-weight: bold; text-align: left; width: 60%; font-family: 'TimesNewRomPSPro'; font-style: normal;"&gt;Total number of portfolio holdings&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt;"&gt;31&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:initial;border-bottom-style:none;break-inside:avoid-page;height:20pt;border-bottom-color:initial"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-kerning: none; color: rgb(0, 0, 0); font-size: 9pt; font-weight: bold; text-align: left; width: 60%; font-family: 'TimesNewRomPSPro'; font-style: normal;"&gt;Portfolio turnover rate&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt;"&gt;18&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;</oef:AddlFundStatisticsTextBlock>
    <us-gaap:AssetsNet
      contextRef="TI20250331_C000051967Member"
      decimals="INF"
      id="h_18_a5109251_1197_4d00_9671_90839f49a8e4"
      unitRef="USD">15468003</us-gaap:AssetsNet>
    <oef:HoldingsCount
      contextRef="TI20250331_C000051967Member"
      decimals="INF"
      id="h_19_0af55db0_6c03_46e3_8632_46a9a659ad9d"
      unitRef="Holding">31</oef:HoldingsCount>
    <us-gaap:InvestmentCompanyPortfolioTurnover
      contextRef="D20241001_20250331_C000051967Member"
      decimals="4"
      id="h_20_3703b15f_6a8f_41b1_831c_3a714117bafd"
      unitRef="pure">0.18</us-gaap:InvestmentCompanyPortfolioTurnover>
    <oef:HoldingsTableTextBlock
      contextRef="D20241001_20250331_C000051967Member"
      id="t_12_7d2fdc04_9cec_43e9_b79c_cecd044c0398">&lt;div style="margin-top:0px;font-kerning:none;font-family:'timesnewrompspro';color:rgb(0, 60, 113);font-size:11.52pt;font-weight:bold;margin-bottom:3pt;"&gt;WHAT DID THE FUND INVEST IN? (As of March 31, 2025)&lt;/div&gt;&lt;div style="margin-top:0px;font-family:'timesnewrompspro';color:rgb(0, 0, 0);font-size:9pt;margin-bottom:10pt;font-kerning:none;"&gt;The tables below show the investment makeup of the Fund, representing the percentage of total investments of the Fund.&lt;/div&gt;&lt;div style="border-bottom-width:1pt;border-bottom-style:solid;font-kerning:none;font-family:'timesnewrompspro';color:rgb(0, 0, 0);letter-spacing:1.25px;text-transform:uppercase;font-size:9pt;border-bottom-color:rgb(0, 0, 0);text-align:center;padding-bottom:5pt;margin-top:5pt;font-weight:bold;margin-bottom:0px;"&gt; &lt;b&gt;Top Ten Holdings&lt;/b&gt; &lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page"&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;American Tower Corp.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;7.7&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Crown Castle, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;7.5&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;SBA Communications Corp.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;7.0&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Prologis, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;6.7&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Equinix, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;5.4&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Digital Realty Trust, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;5.0&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;EastGroup Properties, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;4.3&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;First Industrial Realty Trust, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;4.2&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;STAG Industrial, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;4.2&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:initial;border-bottom-style:none;break-inside:avoid-page;height:20pt;border-bottom-color:initial"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Segro PLC&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;4.2&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;&lt;div style="border-bottom-width:1pt;border-bottom-style:solid;font-kerning:none;font-family:'timesnewrompspro';color:rgb(0, 0, 0);letter-spacing:1.25px;text-transform:uppercase;font-size:9pt;border-bottom-color:rgb(0, 0, 0);text-align:center;padding-bottom:5pt;margin-bottom:5pt;font-weight:bold;margin-top:3pt;"&gt; &lt;b&gt;Sector Allocation&lt;/b&gt; &lt;/div&gt;&lt;div style="padding-left:10pt;padding-right:0px;"&gt; &lt;img alt="Graphical Representation - Allocation 2 Chart" src="chartimages_9832910.jpg" style="width: 172.8pt;"/&gt;  &lt;/div&gt;</oef:HoldingsTableTextBlock>
    <oef:LargestHoldingsTableTextBlock
      contextRef="D20241001_20250331_C000051967Member"
      id="t_13_41b97607_de0d_d02f_304a_7bb9dc6633fb">&lt;div style="border-bottom-width:1pt;border-bottom-style:solid;font-kerning:none;font-family:'timesnewrompspro';color:rgb(0, 0, 0);letter-spacing:1.25px;text-transform:uppercase;font-size:9pt;border-bottom-color:rgb(0, 0, 0);text-align:center;padding-bottom:5pt;margin-top:5pt;font-weight:bold;margin-bottom:0px;"&gt; &lt;b&gt;Top Ten Holdings&lt;/b&gt; &lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page"&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;American Tower Corp.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;7.7&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Crown Castle, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;7.5&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;SBA Communications Corp.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;7.0&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Prologis, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;6.7&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Equinix, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;5.4&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Digital Realty Trust, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;5.0&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;EastGroup Properties, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;4.3&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;First Industrial Realty Trust, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;4.2&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;STAG Industrial, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;4.2&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:initial;border-bottom-style:none;break-inside:avoid-page;height:20pt;border-bottom-color:initial"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Segro PLC&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;4.2&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;</oef:LargestHoldingsTableTextBlock>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000051967Member_AmericanTowerCorpMember"
      decimals="4"
      id="h_21_c6603636_370b_4f34_a7a2_1e66a3f17e68"
      unitRef="pure">0.077</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000051967Member_CrownCastleIncMember"
      decimals="4"
      id="h_22_0e6be6b5_cb3c_43fa_9156_ff158ffa130c"
      unitRef="pure">0.075</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000051967Member_SBACommunicationsCorpMember"
      decimals="4"
      id="h_23_80198568_d19d_4eab_bb91_ed5d85c0f101"
      unitRef="pure">0.070</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000051967Member_PrologisIncMember"
      decimals="4"
      id="h_24_43f98419_5c1a_4db8_8ede_f670777dddf5"
      unitRef="pure">0.067</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000051967Member_EquinixIncMember"
      decimals="4"
      id="h_25_23e3b154_b34c_4f2e_b8f2_65b7ecae2e4b"
      unitRef="pure">0.054</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000051967Member_DigitalRealtyTrustIncMember"
      decimals="4"
      id="h_26_e2f98aac_1f86_4bf3_85e3_ea2abbc0d361"
      unitRef="pure">0.050</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000051967Member_EastGroupPropertiesIncMember"
      decimals="4"
      id="h_27_cd56ac15_8550_4287_b4d1_b5f041efa7cd"
      unitRef="pure">0.043</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000051967Member_FirstIndustrialRealtyTrustIncMember"
      decimals="4"
      id="h_28_099d8732_0b04_4d8f_a407_07d0f43cbb47"
      unitRef="pure">0.042</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000051967Member_STAGIndustrialIncMember"
      decimals="4"
      id="h_29_3b26442b_7f40_4278_8eb1_2852b59fb0c0"
      unitRef="pure">0.042</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000051967Member_SegroPLCMember"
      decimals="4"
      id="h_30_451250f7_69e2_4698_ae7e_63217538cb29"
      unitRef="pure">0.042</oef:PctOfTotalInv>
    <oef:ClassName
      contextRef="D20241001_20250331_C000054156Member"
      id="t_1_d9d4b568_88e5_4fbd_c25f_42d9ba3c60cb">First Trust Dow Jones Global Select Dividend Index Fund</oef:ClassName>
    <oef:FundName
      contextRef="D20241001_20250331_C000054156Member"
      id="t_3_ca17dcfb_bec5_f28c_8c57_da07e8aa5ac6">First Trust Dow Jones Global Select Dividend Index Fund</oef:FundName>
    <dei:TradingSymbol
      contextRef="D20241001_20250331_C000054156Member"
      id="t_2_f85e3e84_4f5f_392e_31c4_a63513fe902d">FGD</dei:TradingSymbol>
    <oef:AnnlOrSemiAnnlStatementTextBlock
      contextRef="D20241001_20250331_C000054156Member"
      id="t_5_f06d52fb_d5ab_9ff2_e145_492ffef7463b">This semi-annual shareholder report contains important information about the First Trust Dow Jones Global Select Dividend Index Fund (the &#x201c;Fund&#x201d;) for the period of October 1, 2024 to March 31, 2025.</oef:AnnlOrSemiAnnlStatementTextBlock>
    <oef:ShareholderReportAnnualOrSemiAnnual
      contextRef="D20241001_20250331_C000054156Member"
      id="t_4_25f47449_18c6_9bcd_26b8_1d02103e5d45">semi-annual shareholder report</oef:ShareholderReportAnnualOrSemiAnnual>
    <oef:AddlInfoTextBlock
      contextRef="D20241001_20250331_C000054156Member"
      id="t_6_7a495317_a525_b090_811b_3fbe61f1c3f6">You can find additional information about the Fund at &lt;span style="white-space:nowrap;color:rgb(0, 60, 113);text-decoration-line:underline"&gt;www.ftportfolios.com/fund-documents/etf/FGD&lt;/span&gt;. You can also request this information by contacting us at 1-800-621-1675 or &lt;span style="text-decoration-line:underline;color:rgb(0, 60, 113);font-family:'timesnewrompspro';font-size:9pt"&gt;info@ftportfolios.com&lt;/span&gt;.</oef:AddlInfoTextBlock>
    <oef:AddlInfoWebsite
      contextRef="D20241001_20250331_C000054156Member"
      id="t_7_72edbcb9_c8e2_9e05_94a0_9747a498909e">www.ftportfolios.com/fund-documents/etf/FGD</oef:AddlInfoWebsite>
    <oef:AddlInfoPhoneNumber
      contextRef="D20241001_20250331_C000054156Member"
      id="t_8_30b4f0a4_4d14_08ec_fa87_752599582382">1-800-621-1675</oef:AddlInfoPhoneNumber>
    <oef:AddlInfoEmail
      contextRef="D20241001_20250331_C000054156Member"
      id="t_9_50c5261a_8dbe_4b6b_e860_6a89558931bb">info@ftportfolios.com</oef:AddlInfoEmail>
    <oef:ExpensesTextBlock
      contextRef="D20241001_20250331_C000054156Member"
      id="t_10_63c7a5e2_72a8_3ee4_c8e1_74be72faf65c">&lt;div style="margin-top:0px;font-kerning:none;font-family:'timesnewrompspro';color:rgb(0, 60, 113);font-size:11.52pt;font-weight:bold;margin-bottom:3pt;"&gt;WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS?&lt;/div&gt;&lt;div style="margin-top:0px;margin-bottom:0px;font-kerning:none;font-family:'timesnewrompspro';color:rgb(0, 0, 0);font-size:9pt;"&gt;(Based on a hypothetical $10,000 investment)&lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page"&gt;
&lt;tr style="break-after:avoid;border-bottom-style:solid;border-bottom-width:1pt;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-weight: bold; text-align: left; font-size: 9pt; font-kerning: none; vertical-align: bottom;"&gt;Fund&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-weight: bold; vertical-align: bottom;"&gt;Costs of a $10,000 investment&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-weight: bold; vertical-align: bottom;"&gt;Costs paid as a percentage&lt;br/&gt; of a $10,000 investment&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:initial;border-bottom-style:none;break-inside:avoid-page;height:20pt;border-bottom-color:initial"&gt;
&lt;td style="break-inside: avoid-page; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-kerning: none; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; vertical-align: bottom;"&gt;First Trust Dow Jones Global Select Dividend Index Fund&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; vertical-align: bottom;"&gt;&lt;span style="float:none"&gt;$&lt;/span&gt;28&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; vertical-align: bottom;"&gt;0.56&lt;span&gt;%&lt;/span&gt;&lt;sup style="vertical-align:3.2pt;line-height:0px"&gt;(1)&lt;/sup&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page"&gt;
&lt;tr style="border-bottom-width:initial;border-bottom-style:none;break-inside:avoid-page;height:9pt;border-bottom-color:initial"&gt;
&lt;td style="break-inside: avoid-page; font-kerning: none; padding-top: 0; padding-right: 0; padding-bottom: 0; padding-left: 0; font-family: 'TimesNewRomPSPro'; font-style: normal; font-size: 7.5pt; color: rgb(0, 0, 0); text-align: left; width: 1.8em; vertical-align: top;"&gt;
&lt;div style="font-kerning:none;font-family:'timesnewrompspro';color:rgb(0, 0, 0);font-size:7.5pt;margin-top:0px;margin-bottom:0px;"&gt;&#x200b;&lt;sup style="vertical-align:3.2pt;line-height:0px"&gt;(1)&lt;/sup&gt;&lt;/div&gt;&lt;/td&gt;
&lt;td style="break-inside: avoid-page; padding-top: 3px; padding-right: 0; padding-bottom: 0; padding-left: 0; font-family: 'TimesNewRomPSPro'; font-style: normal; font-size: 7.5pt; color: rgb(0, 0, 0); text-align: left; vertical-align: top;"&gt;
&lt;div style="font-kerning:none;font-family:'timesnewrompspro';color:rgb(0, 0, 0);font-size:7.5pt;margin-top:0px;margin-bottom:0px;"&gt;Annualized.&lt;/div&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;</oef:ExpensesTextBlock>
    <oef:ExpensesPaidAmt
      contextRef="D20241001_20250331_C000054156Member"
      decimals="INF"
      id="h_31_b6aecbee_20dc_4589_a0d5_a2ac5adff9fe"
      unitRef="USD">28</oef:ExpensesPaidAmt>
    <oef:ExpenseRatioPct
      contextRef="D20241001_20250331_C000054156Member"
      decimals="4"
      id="h_32_dafd81d4_fb28_4b97_bfa6_1328a96e9649"
      unitRef="pure">0.0056</oef:ExpenseRatioPct>
    <oef:AddlFundStatisticsTextBlock
      contextRef="D20241001_20250331_C000054156Member"
      id="t_11_15ebb126_ff3e_72e3_f0fc_f2d580442da3">&lt;div style="font-kerning:none;font-family:'timesnewrompspro';color:rgb(0, 60, 113);font-size:11.52pt;font-weight:bold;margin-bottom:3pt;margin-top:10pt;"&gt;KEY FUND STATISTICS (As of March 31, 2025)&lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page"&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-kerning: none; color: rgb(0, 0, 0); font-size: 9pt; font-weight: bold; text-align: left; width: 60%; font-family: 'TimesNewRomPSPro'; font-style: normal;"&gt;Fund net assets&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt;"&gt;&lt;span style="float:none"&gt;$&lt;/span&gt;592,355,690&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-kerning: none; color: rgb(0, 0, 0); font-size: 9pt; font-weight: bold; text-align: left; width: 60%; font-family: 'TimesNewRomPSPro'; font-style: normal;"&gt;Total number of portfolio holdings&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt;"&gt;100&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:initial;border-bottom-style:none;break-inside:avoid-page;height:20pt;border-bottom-color:initial"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-kerning: none; color: rgb(0, 0, 0); font-size: 9pt; font-weight: bold; text-align: left; width: 60%; font-family: 'TimesNewRomPSPro'; font-style: normal;"&gt;Portfolio turnover rate&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt;"&gt;37&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;</oef:AddlFundStatisticsTextBlock>
    <us-gaap:AssetsNet
      contextRef="TI20250331_C000054156Member"
      decimals="INF"
      id="h_33_f261d105_8c66_436d_a99f_8beb7b39c765"
      unitRef="USD">592355690</us-gaap:AssetsNet>
    <oef:HoldingsCount
      contextRef="TI20250331_C000054156Member"
      decimals="INF"
      id="h_34_0ffe4655_014a_427d_8860_173e96f61454"
      unitRef="Holding">100</oef:HoldingsCount>
    <us-gaap:InvestmentCompanyPortfolioTurnover
      contextRef="D20241001_20250331_C000054156Member"
      decimals="4"
      id="h_35_229278cc_b162_4a84_8f92_38a79d534145"
      unitRef="pure">0.37</us-gaap:InvestmentCompanyPortfolioTurnover>
    <oef:HoldingsTableTextBlock
      contextRef="D20241001_20250331_C000054156Member"
      id="t_12_261f1dec_e6cb_a078_8292_6d378e50b361">&lt;div style="margin-top:0px;font-kerning:none;font-family:'timesnewrompspro';color:rgb(0, 60, 113);font-size:11.52pt;font-weight:bold;margin-bottom:3pt;"&gt;WHAT DID THE FUND INVEST IN? (As of March 31, 2025)&lt;/div&gt;&lt;div style="margin-top:0px;font-family:'timesnewrompspro';color:rgb(0, 0, 0);font-size:9pt;margin-bottom:10pt;font-kerning:none;"&gt;The tables below show the investment makeup of the Fund, representing the percentage of total investments of the Fund.&lt;/div&gt;&lt;div style="border-bottom-width:1pt;border-bottom-style:solid;font-kerning:none;font-family:'timesnewrompspro';color:rgb(0, 0, 0);letter-spacing:1.25px;text-transform:uppercase;font-size:9pt;border-bottom-color:rgb(0, 0, 0);text-align:center;padding-bottom:5pt;margin-top:5pt;font-weight:bold;margin-bottom:0px;"&gt; &lt;b&gt;Top Ten Holdings&lt;/b&gt; &lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page"&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Enagas S.A.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;1.9&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Kohl&#x2019;s Corp.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;1.8&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Phoenix Group Holdings PLC&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;1.7&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Spark New Zealand Ltd.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;1.7&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;BCE, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;1.7&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Labrador Iron Ore Royalty Corp.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;1.4&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Peyto Exploration &amp;amp; Development Corp.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;1.4&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;AP Moller - Maersk A/S, Class A&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;1.3&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Henderson Land Development Co., Ltd.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;1.3&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:initial;border-bottom-style:none;break-inside:avoid-page;height:20pt;border-bottom-color:initial"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Western Union (The) Co.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;1.3&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;&lt;div style="border-bottom-width:1pt;border-bottom-style:solid;font-kerning:none;font-family:'timesnewrompspro';color:rgb(0, 0, 0);letter-spacing:1.25px;text-transform:uppercase;font-size:9pt;border-bottom-color:rgb(0, 0, 0);text-align:center;padding-bottom:5pt;margin-bottom:5pt;font-weight:bold;margin-top:3pt;"&gt; &lt;b&gt;Sector Allocation&lt;/b&gt; &lt;/div&gt;&lt;div style="padding-left:10pt;padding-right:0px;"&gt; &lt;img alt="Graphical Representation - Allocation 2 Chart" src="chartimages_9832952.jpg" style="width: 172.8pt;"/&gt;  &lt;/div&gt;</oef:HoldingsTableTextBlock>
    <oef:LargestHoldingsTableTextBlock
      contextRef="D20241001_20250331_C000054156Member"
      id="t_13_cb3ee485_3276_df15_81df_5ce43d300c80">&lt;div style="border-bottom-width:1pt;border-bottom-style:solid;font-kerning:none;font-family:'timesnewrompspro';color:rgb(0, 0, 0);letter-spacing:1.25px;text-transform:uppercase;font-size:9pt;border-bottom-color:rgb(0, 0, 0);text-align:center;padding-bottom:5pt;margin-top:5pt;font-weight:bold;margin-bottom:0px;"&gt; &lt;b&gt;Top Ten Holdings&lt;/b&gt; &lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page"&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Enagas S.A.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;1.9&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Kohl&#x2019;s Corp.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;1.8&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Phoenix Group Holdings PLC&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;1.7&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Spark New Zealand Ltd.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;1.7&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;BCE, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;1.7&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Labrador Iron Ore Royalty Corp.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;1.4&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Peyto Exploration &amp;amp; Development Corp.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;1.4&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;AP Moller - Maersk A/S, Class A&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;1.3&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Henderson Land Development Co., Ltd.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;1.3&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:initial;border-bottom-style:none;break-inside:avoid-page;height:20pt;border-bottom-color:initial"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Western Union (The) Co.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;1.3&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;</oef:LargestHoldingsTableTextBlock>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000054156Member_EnagasSAMember"
      decimals="4"
      id="h_36_88c4938a_b5cb_44fb_99ff_07333519ab1c"
      unitRef="pure">0.019</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000054156Member_KohlSCorpMember"
      decimals="4"
      id="h_37_adb537cb_e8d9_4215_a5de_e8e806d96046"
      unitRef="pure">0.018</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000054156Member_PhoenixGroupHoldingsPLCMember"
      decimals="4"
      id="h_38_60be9ed9_04f0_48f1_bfa2_4a6c863767a1"
      unitRef="pure">0.017</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000054156Member_SparkNewZealandLtdMember"
      decimals="4"
      id="h_39_2bfe56a0_deb0_4d9a_b589_644f7f778c68"
      unitRef="pure">0.017</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000054156Member_BCEIncMember"
      decimals="4"
      id="h_40_50167b4d_9d96_473a_a797_29c76cf2c080"
      unitRef="pure">0.017</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000054156Member_LabradorIronOreRoyaltyCorpMember"
      decimals="4"
      id="h_41_61b5078f_c6fc_4e82_a80b_415bd68aa569"
      unitRef="pure">0.014</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000054156Member_PeytoExplorationAndDevelopmentCorpMember"
      decimals="4"
      id="h_42_42f39e4f_89db_4818_81e3_edd5c5397aa4"
      unitRef="pure">0.014</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000054156Member_APMollerMaerskASClassAMember"
      decimals="4"
      id="h_43_74952bd5_a75b_45bf_9ac3_4ebdc06473de"
      unitRef="pure">0.013</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000054156Member_HendersonLandDevelopmentCoLtdMember"
      decimals="4"
      id="h_44_c8cbe7e2_894b_47db_8239_e99220276aec"
      unitRef="pure">0.013</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000054156Member_WesternUnionTheCoMember"
      decimals="4"
      id="h_45_faea25fc_2c72_4361_bb16_f8ed92891956"
      unitRef="pure">0.013</oef:PctOfTotalInv>
    <oef:ClassName
      contextRef="D20241001_20250331_C000066484Member"
      id="t_1_e6c8f20a_6d13_3622_c28b_1850e4716dce">First Trust Global Wind Energy ETF</oef:ClassName>
    <oef:FundName
      contextRef="D20241001_20250331_C000066484Member"
      id="t_3_8bd09a85_e106_8fc9_d85d_a28764712850">First Trust Global Wind Energy ETF</oef:FundName>
    <dei:TradingSymbol
      contextRef="D20241001_20250331_C000066484Member"
      id="t_2_08b623b8_aaf5_69b0_4fec_0c119b863005">FAN</dei:TradingSymbol>
    <oef:AnnlOrSemiAnnlStatementTextBlock
      contextRef="D20241001_20250331_C000066484Member"
      id="t_5_115bc7dd_29b1_09bd_d577_cbb27c77ba52">This semi-annual shareholder report contains important information about the First Trust Global Wind Energy ETF (the &#x201c;Fund&#x201d;) for the period of October 1, 2024 to March 31, 2025.</oef:AnnlOrSemiAnnlStatementTextBlock>
    <oef:ShareholderReportAnnualOrSemiAnnual
      contextRef="D20241001_20250331_C000066484Member"
      id="t_4_8adc815a_259e_0090_79c5_a08290606c36">semi-annual shareholder report</oef:ShareholderReportAnnualOrSemiAnnual>
    <oef:AddlInfoTextBlock
      contextRef="D20241001_20250331_C000066484Member"
      id="t_6_f3b5da4a_be5a_20b2_a3d7_69fd8bc9939d">You can find additional information about the Fund at &lt;span style="white-space:nowrap;color:rgb(0, 60, 113);text-decoration-line:underline"&gt;www.ftportfolios.com/fund-documents/etf/FAN&lt;/span&gt;. You can also request this information by contacting us at 1-800-621-1675 or &lt;span style="text-decoration-line:underline;color:rgb(0, 60, 113);font-family:'timesnewrompspro';font-size:9pt"&gt;info@ftportfolios.com&lt;/span&gt;.</oef:AddlInfoTextBlock>
    <oef:AddlInfoWebsite
      contextRef="D20241001_20250331_C000066484Member"
      id="t_7_472d13e2_0850_f718_1c86_81f33dd64a39">www.ftportfolios.com/fund-documents/etf/FAN</oef:AddlInfoWebsite>
    <oef:AddlInfoPhoneNumber
      contextRef="D20241001_20250331_C000066484Member"
      id="t_8_81c1bd33_0c12_48aa_d61f_82794ef3160e">1-800-621-1675</oef:AddlInfoPhoneNumber>
    <oef:AddlInfoEmail
      contextRef="D20241001_20250331_C000066484Member"
      id="t_9_fe4bb3f7_9934_c528_4321_3d83f3405f2d">info@ftportfolios.com</oef:AddlInfoEmail>
    <oef:ExpensesTextBlock
      contextRef="D20241001_20250331_C000066484Member"
      id="t_10_54e112fc_bc38_a08f_6581_518f57bb20cc">&lt;div style="margin-top:0px;font-kerning:none;font-family:'timesnewrompspro';color:rgb(0, 60, 113);font-size:11.52pt;font-weight:bold;margin-bottom:3pt;"&gt;WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS?&lt;/div&gt;&lt;div style="margin-top:0px;margin-bottom:0px;font-kerning:none;font-family:'timesnewrompspro';color:rgb(0, 0, 0);font-size:9pt;"&gt;(Based on a hypothetical $10,000 investment)&lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page"&gt;
&lt;tr style="break-after:avoid;border-bottom-style:solid;border-bottom-width:1pt;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-weight: bold; text-align: left; font-size: 9pt; font-kerning: none; vertical-align: bottom;"&gt;Fund&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-weight: bold; vertical-align: bottom;"&gt;Costs of a $10,000 investment&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-weight: bold; vertical-align: bottom;"&gt;Costs paid as a percentage&lt;br/&gt; of a $10,000 investment&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:initial;border-bottom-style:none;break-inside:avoid-page;height:20pt;border-bottom-color:initial"&gt;
&lt;td style="break-inside: avoid-page; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-kerning: none; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; vertical-align: bottom;"&gt;First Trust Global Wind Energy ETF&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; vertical-align: bottom;"&gt;&lt;span style="float:none"&gt;$&lt;/span&gt;27&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; vertical-align: bottom;"&gt;0.60&lt;span&gt;%&lt;/span&gt;&lt;sup style="vertical-align:3.2pt;line-height:0px"&gt;(1)&lt;/sup&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page"&gt;
&lt;tr style="border-bottom-width:initial;border-bottom-style:none;break-inside:avoid-page;height:9pt;border-bottom-color:initial"&gt;
&lt;td style="break-inside: avoid-page; font-kerning: none; padding-top: 0; padding-right: 0; padding-bottom: 0; padding-left: 0; font-family: 'TimesNewRomPSPro'; font-style: normal; font-size: 7.5pt; color: rgb(0, 0, 0); text-align: left; width: 1.8em; vertical-align: top;"&gt;
&lt;div style="font-kerning:none;font-family:'timesnewrompspro';color:rgb(0, 0, 0);font-size:7.5pt;margin-top:0px;margin-bottom:0px;"&gt;&#x200b;&lt;sup style="vertical-align:3.2pt;line-height:0px"&gt;(1)&lt;/sup&gt;&lt;/div&gt;&lt;/td&gt;
&lt;td style="break-inside: avoid-page; padding-top: 3px; padding-right: 0; padding-bottom: 0; padding-left: 0; font-family: 'TimesNewRomPSPro'; font-style: normal; font-size: 7.5pt; color: rgb(0, 0, 0); text-align: left; vertical-align: top;"&gt;
&lt;div style="font-kerning:none;font-family:'timesnewrompspro';color:rgb(0, 0, 0);font-size:7.5pt;margin-top:0px;margin-bottom:0px;"&gt;Annualized.&lt;/div&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;</oef:ExpensesTextBlock>
    <oef:ExpensesPaidAmt
      contextRef="D20241001_20250331_C000066484Member"
      decimals="INF"
      id="h_46_ad09330f_9da4_4926_9b63_5e5fc9276637"
      unitRef="USD">27</oef:ExpensesPaidAmt>
    <oef:ExpenseRatioPct
      contextRef="D20241001_20250331_C000066484Member"
      decimals="4"
      id="h_47_321640dd_f6b2_4a7c_a8fb_5255ee2c95b6"
      unitRef="pure">0.0060</oef:ExpenseRatioPct>
    <oef:AddlFundStatisticsTextBlock
      contextRef="D20241001_20250331_C000066484Member"
      id="t_11_c1ed9f63_4d93_7287_55f9_b48df38497ea">&lt;div style="font-kerning:none;font-family:'timesnewrompspro';color:rgb(0, 60, 113);font-size:11.52pt;font-weight:bold;margin-bottom:3pt;margin-top:10pt;"&gt;KEY FUND STATISTICS (As of March 31, 2025)&lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page"&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-kerning: none; color: rgb(0, 0, 0); font-size: 9pt; font-weight: bold; text-align: left; width: 60%; font-family: 'TimesNewRomPSPro'; font-style: normal;"&gt;Fund net assets&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt;"&gt;&lt;span style="float:none"&gt;$&lt;/span&gt;130,402,542&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-kerning: none; color: rgb(0, 0, 0); font-size: 9pt; font-weight: bold; text-align: left; width: 60%; font-family: 'TimesNewRomPSPro'; font-style: normal;"&gt;Total number of portfolio holdings&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt;"&gt;49&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:initial;border-bottom-style:none;break-inside:avoid-page;height:20pt;border-bottom-color:initial"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-kerning: none; color: rgb(0, 0, 0); font-size: 9pt; font-weight: bold; text-align: left; width: 60%; font-family: 'TimesNewRomPSPro'; font-style: normal;"&gt;Portfolio turnover rate&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt;"&gt;14&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;</oef:AddlFundStatisticsTextBlock>
    <us-gaap:AssetsNet
      contextRef="TI20250331_C000066484Member"
      decimals="INF"
      id="h_48_1118d477_06d9_4a6d_bb43_818bc5e0cd8c"
      unitRef="USD">130402542</us-gaap:AssetsNet>
    <oef:HoldingsCount
      contextRef="TI20250331_C000066484Member"
      decimals="INF"
      id="h_49_f499fefe_2e7e_4504_9500_01098cb2f671"
      unitRef="Holding">49</oef:HoldingsCount>
    <us-gaap:InvestmentCompanyPortfolioTurnover
      contextRef="D20241001_20250331_C000066484Member"
      decimals="4"
      id="h_50_7810fcf9_eb00_4df9_b895_4dc20280c58a"
      unitRef="pure">0.14</us-gaap:InvestmentCompanyPortfolioTurnover>
    <oef:HoldingsTableTextBlock
      contextRef="D20241001_20250331_C000066484Member"
      id="t_12_e228dd76_50ee_04de_1b69_c8db3513a50e">&lt;div style="margin-top:0px;font-kerning:none;font-family:'timesnewrompspro';color:rgb(0, 60, 113);font-size:11.52pt;font-weight:bold;margin-bottom:3pt;"&gt;WHAT DID THE FUND INVEST IN? (As of March 31, 2025)&lt;/div&gt;&lt;div style="margin-top:0px;font-family:'timesnewrompspro';color:rgb(0, 0, 0);font-size:9pt;margin-bottom:10pt;font-kerning:none;"&gt;The tables below show the investment makeup of the Fund, representing the percentage of total investments of the Fund.&lt;/div&gt;&lt;div style="border-bottom-width:1pt;border-bottom-style:solid;font-kerning:none;font-family:'timesnewrompspro';color:rgb(0, 0, 0);letter-spacing:1.25px;text-transform:uppercase;font-size:9pt;border-bottom-color:rgb(0, 0, 0);text-align:center;padding-bottom:5pt;margin-top:5pt;font-weight:bold;margin-bottom:0px;"&gt; &lt;b&gt;Top Ten Holdings&lt;/b&gt; &lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page"&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Orsted A/S&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;7.5&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Vestas Wind Systems A/S&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;7.4&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Northland Power, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;7.3&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;EDP Renovaveis S.A.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;5.6&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;China Longyuan Power Group Corp., Ltd., Class H&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;4.6&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Nordex SE&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;4.3&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Boralex, Inc., Class A&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;3.7&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;RBC Dominion Securities, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;3.2&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Citigroup, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;3.0&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:initial;border-bottom-style:none;break-inside:avoid-page;height:20pt;border-bottom-color:initial"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Century Iron &amp;amp; Steel Industrial Co., Ltd.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;2.5&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;&lt;div style="border-bottom-width:1pt;border-bottom-style:solid;font-kerning:none;font-family:'timesnewrompspro';color:rgb(0, 0, 0);letter-spacing:1.25px;text-transform:uppercase;font-size:9pt;border-bottom-color:rgb(0, 0, 0);text-align:center;padding-bottom:5pt;margin-bottom:5pt;font-weight:bold;margin-top:3pt;"&gt; &lt;b&gt;Sector Allocation&lt;/b&gt; &lt;/div&gt;&lt;div style="padding-left:10pt;padding-right:0px;"&gt; &lt;img alt="Graphical Representation - Allocation 2 Chart" src="chartimages_9832994.jpg" style="width: 172.8pt;"/&gt;  &lt;/div&gt;</oef:HoldingsTableTextBlock>
    <oef:LargestHoldingsTableTextBlock
      contextRef="D20241001_20250331_C000066484Member"
      id="t_13_7604a228_f8b5_f182_f526_2814a1116bcb">&lt;div style="border-bottom-width:1pt;border-bottom-style:solid;font-kerning:none;font-family:'timesnewrompspro';color:rgb(0, 0, 0);letter-spacing:1.25px;text-transform:uppercase;font-size:9pt;border-bottom-color:rgb(0, 0, 0);text-align:center;padding-bottom:5pt;margin-top:5pt;font-weight:bold;margin-bottom:0px;"&gt; &lt;b&gt;Top Ten Holdings&lt;/b&gt; &lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page"&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Orsted A/S&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;7.5&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Vestas Wind Systems A/S&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;7.4&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Northland Power, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;7.3&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;EDP Renovaveis S.A.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;5.6&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;China Longyuan Power Group Corp., Ltd., Class H&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;4.6&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Nordex SE&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;4.3&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Boralex, Inc., Class A&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;3.7&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;RBC Dominion Securities, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;3.2&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Citigroup, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;3.0&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:initial;border-bottom-style:none;break-inside:avoid-page;height:20pt;border-bottom-color:initial"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Century Iron &amp;amp; Steel Industrial Co., Ltd.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;2.5&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;</oef:LargestHoldingsTableTextBlock>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000066484Member_OrstedASMember"
      decimals="4"
      id="h_51_81bcd06b_521c_410c_81c0_0dd70f17b2b1"
      unitRef="pure">0.075</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000066484Member_VestasWindSystemsASMember"
      decimals="4"
      id="h_52_e45e0cb3_7f6a_421f_8159_974ad467ba30"
      unitRef="pure">0.074</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000066484Member_NorthlandPowerIncMember"
      decimals="4"
      id="h_53_df28b748_9b45_483f_a5d1_9a3590e6b707"
      unitRef="pure">0.073</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000066484Member_EDPRenovaveisSAMember"
      decimals="4"
      id="h_54_acdb118c_84e7_4d56_ac76_a24904b968e5"
      unitRef="pure">0.056</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000066484Member_ChinaLongyuanPowerGroupCorpLtdClassHMember"
      decimals="4"
      id="h_55_1ea0a4b1_57e6_4d51_b4c4_0f709625cd3a"
      unitRef="pure">0.046</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000066484Member_NordexSEMember"
      decimals="4"
      id="h_56_0976b000_6c96_433f_a835_fa2d5c281bec"
      unitRef="pure">0.043</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000066484Member_BoralexIncClassAMember"
      decimals="4"
      id="h_57_7d3f9c6a_7daf_48d3_9bf4_019db14fa920"
      unitRef="pure">0.037</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000066484Member_RBCDominionSecuritiesIncMember"
      decimals="4"
      id="h_58_7f0fecd1_a4ff_4f87_924e_8084a37701f7"
      unitRef="pure">0.032</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000066484Member_CitigroupIncMember"
      decimals="4"
      id="h_59_97371e9c_d509_4ff4_ae25_bc8737f41ad0"
      unitRef="pure">0.030</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000066484Member_CenturyIronAndSteelIndustrialCoLtdMember"
      decimals="4"
      id="h_60_b3ecdcca_bee1_48b2_a694_70d698ea9dd1"
      unitRef="pure">0.025</oef:PctOfTotalInv>
    <oef:ClassName
      contextRef="D20241001_20250331_C000071160Member"
      id="t_1_7d1988fd_723c_0c04_c64f_418e2a92cb1d">First Trust Alerian U.S. NextGen Infrastructure ETF</oef:ClassName>
    <oef:FundName
      contextRef="D20241001_20250331_C000071160Member"
      id="t_2_fcf0b17f_0fd0_4374_a6c3_14a71bc3d965">First Trust Alerian U.S. NextGen Infrastructure ETF</oef:FundName>
    <dei:TradingSymbol
      contextRef="D20241001_20250331_C000071160Member"
      id="t_3_c48c7ecd_c589_8797_bf3b_ddde5763bcdb">RBLD</dei:TradingSymbol>
    <oef:AnnlOrSemiAnnlStatementTextBlock
      contextRef="D20241001_20250331_C000071160Member"
      id="t_5_127398e4_1266_8ed4_0ef1_c461a5bc942d">This semi-annual shareholder report contains important information about the First Trust Alerian U.S. NextGen Infrastructure ETF (the &#x201c;Fund&#x201d;) for the period of October 1, 2024 to March 31, 2025.</oef:AnnlOrSemiAnnlStatementTextBlock>
    <oef:ShareholderReportAnnualOrSemiAnnual
      contextRef="D20241001_20250331_C000071160Member"
      id="t_4_870c79af_f388_3828_fe94_614c82f864ff">semi-annual shareholder report</oef:ShareholderReportAnnualOrSemiAnnual>
    <oef:AddlInfoTextBlock
      contextRef="D20241001_20250331_C000071160Member"
      id="t_6_3af664aa_3d66_2c67_31a4_23a4c80a0cec">You can find additional information about the Fund at &lt;span style="white-space:nowrap;color:rgb(0, 60, 113);text-decoration-line:underline"&gt;www.ftportfolios.com/fund-documents/etf/RBLD&lt;/span&gt;. You can also request this information by contacting us at 1-800-621-1675 or &lt;span style="text-decoration-line:underline;color:rgb(0, 60, 113);font-family:'timesnewrompspro';font-size:9pt"&gt;info@ftportfolios.com&lt;/span&gt;.</oef:AddlInfoTextBlock>
    <oef:AddlInfoWebsite
      contextRef="D20241001_20250331_C000071160Member"
      id="t_7_296e335e_40e3_3d28_664d_80d09ffd0b49">www.ftportfolios.com/fund-documents/etf/RBLD</oef:AddlInfoWebsite>
    <oef:AddlInfoPhoneNumber
      contextRef="D20241001_20250331_C000071160Member"
      id="t_8_572606d5_e602_d3a7_8d2c_c8e2a1662102">1-800-621-1675</oef:AddlInfoPhoneNumber>
    <oef:AddlInfoEmail
      contextRef="D20241001_20250331_C000071160Member"
      id="t_9_d5952153_f64d_2ead_b4b4_9cbeebcfe772">info@ftportfolios.com</oef:AddlInfoEmail>
    <oef:ExpensesTextBlock
      contextRef="D20241001_20250331_C000071160Member"
      id="t_10_7247806d_ab26_07d3_df78_cfb048a70e88">&lt;div style="margin-top:0px;font-kerning:none;font-family:'timesnewrompspro';color:rgb(0, 60, 113);font-size:11.52pt;font-weight:bold;margin-bottom:3pt;"&gt;WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS?&lt;/div&gt;&lt;div style="margin-top:0px;margin-bottom:0px;font-kerning:none;font-family:'timesnewrompspro';color:rgb(0, 0, 0);font-size:9pt;"&gt;(Based on a hypothetical $10,000 investment)&lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page"&gt;
&lt;tr style="break-after:avoid;border-bottom-style:solid;border-bottom-width:1pt;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-weight: bold; text-align: left; font-size: 9pt; font-kerning: none; vertical-align: bottom;"&gt;Fund&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-weight: bold; vertical-align: bottom;"&gt;Costs of a $10,000 investment&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-weight: bold; vertical-align: bottom;"&gt;Costs paid as a percentage&lt;br/&gt; of a $10,000 investment&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:initial;border-bottom-style:none;break-inside:avoid-page;height:20pt;border-bottom-color:initial"&gt;
&lt;td style="break-inside: avoid-page; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-kerning: none; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; vertical-align: bottom;"&gt;First Trust Alerian U.S. NextGen Infrastructure ETF&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; vertical-align: bottom;"&gt;&lt;span style="float:none"&gt;$&lt;/span&gt;32&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; vertical-align: bottom;"&gt;0.65&lt;span&gt;%&lt;/span&gt;&lt;sup style="vertical-align:3.2pt;line-height:0px"&gt;(1)&lt;/sup&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page"&gt;
&lt;tr style="border-bottom-width:initial;border-bottom-style:none;break-inside:avoid-page;height:9pt;border-bottom-color:initial"&gt;
&lt;td style="break-inside: avoid-page; font-kerning: none; padding-top: 0; padding-right: 0; padding-bottom: 0; padding-left: 0; font-family: 'TimesNewRomPSPro'; font-style: normal; font-size: 7.5pt; color: rgb(0, 0, 0); text-align: left; width: 1.8em; vertical-align: top;"&gt;
&lt;div style="font-kerning:none;font-family:'timesnewrompspro';color:rgb(0, 0, 0);font-size:7.5pt;margin-top:0px;margin-bottom:0px;"&gt;&#x200b;&lt;sup style="vertical-align:3.2pt;line-height:0px"&gt;(1)&lt;/sup&gt;&lt;/div&gt;&lt;/td&gt;
&lt;td style="break-inside: avoid-page; padding-top: 3px; padding-right: 0; padding-bottom: 0; padding-left: 0; font-family: 'TimesNewRomPSPro'; font-style: normal; font-size: 7.5pt; color: rgb(0, 0, 0); text-align: left; vertical-align: top;"&gt;
&lt;div style="font-kerning:none;font-family:'timesnewrompspro';color:rgb(0, 0, 0);font-size:7.5pt;margin-top:0px;margin-bottom:0px;"&gt;Annualized.&lt;/div&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;</oef:ExpensesTextBlock>
    <oef:ExpensesPaidAmt
      contextRef="D20241001_20250331_C000071160Member"
      decimals="INF"
      id="h_61_400801bf_d842_43f2_bfb7_1166a6768c15"
      unitRef="USD">32</oef:ExpensesPaidAmt>
    <oef:ExpenseRatioPct
      contextRef="D20241001_20250331_C000071160Member"
      decimals="4"
      id="h_62_d17e572b_92b6_4214_9ac6_4185fa7b66cc"
      unitRef="pure">0.0065</oef:ExpenseRatioPct>
    <oef:AddlFundStatisticsTextBlock
      contextRef="D20241001_20250331_C000071160Member"
      id="t_11_37e8a9bb_6f21_5550_a2dc_09f4e5f17e32">&lt;div style="font-kerning:none;font-family:'timesnewrompspro';color:rgb(0, 60, 113);font-size:11.52pt;font-weight:bold;margin-bottom:3pt;margin-top:10pt;"&gt;KEY FUND STATISTICS (As of March 31, 2025)&lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page"&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-kerning: none; color: rgb(0, 0, 0); font-size: 9pt; font-weight: bold; text-align: left; width: 60%; font-family: 'TimesNewRomPSPro'; font-style: normal;"&gt;Fund net assets&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt;"&gt;&lt;span style="float:none"&gt;$&lt;/span&gt;13,145,672&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-kerning: none; color: rgb(0, 0, 0); font-size: 9pt; font-weight: bold; text-align: left; width: 60%; font-family: 'TimesNewRomPSPro'; font-style: normal;"&gt;Total number of portfolio holdings&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt;"&gt;102&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:initial;border-bottom-style:none;break-inside:avoid-page;height:20pt;border-bottom-color:initial"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-kerning: none; color: rgb(0, 0, 0); font-size: 9pt; font-weight: bold; text-align: left; width: 60%; font-family: 'TimesNewRomPSPro'; font-style: normal;"&gt;Portfolio turnover rate&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt;"&gt;12&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;</oef:AddlFundStatisticsTextBlock>
    <us-gaap:AssetsNet
      contextRef="TI20250331_C000071160Member"
      decimals="INF"
      id="h_63_91181c1a_0017_4a70_bf58_275855c6aa30"
      unitRef="USD">13145672</us-gaap:AssetsNet>
    <oef:HoldingsCount
      contextRef="TI20250331_C000071160Member"
      decimals="INF"
      id="h_64_14d19c33_80f9_4f6c_9618_b71251265b48"
      unitRef="Holding">102</oef:HoldingsCount>
    <us-gaap:InvestmentCompanyPortfolioTurnover
      contextRef="D20241001_20250331_C000071160Member"
      decimals="4"
      id="h_65_6b506437_ef78_43d1_9c26_2084e6b91457"
      unitRef="pure">0.12</us-gaap:InvestmentCompanyPortfolioTurnover>
    <oef:HoldingsTableTextBlock
      contextRef="D20241001_20250331_C000071160Member"
      id="t_12_8b23dd01_e4d9_7553_fe1b_c2cb14c42dc6">&lt;div style="margin-top:0px;font-kerning:none;font-family:'timesnewrompspro';color:rgb(0, 60, 113);font-size:11.52pt;font-weight:bold;margin-bottom:3pt;"&gt;WHAT DID THE FUND INVEST IN? (As of March 31, 2025)&lt;/div&gt;&lt;div style="margin-top:0px;font-family:'timesnewrompspro';color:rgb(0, 0, 0);font-size:9pt;margin-bottom:10pt;font-kerning:none;"&gt;The tables below show the investment makeup of the Fund, representing the percentage of total investments of the Fund.&lt;/div&gt;&lt;div style="border-bottom-width:1pt;border-bottom-style:solid;font-kerning:none;font-family:'timesnewrompspro';color:rgb(0, 0, 0);letter-spacing:1.25px;text-transform:uppercase;font-size:9pt;border-bottom-color:rgb(0, 0, 0);text-align:center;padding-bottom:5pt;margin-top:5pt;font-weight:bold;margin-bottom:0px;"&gt; &lt;b&gt;Top Ten Holdings&lt;/b&gt; &lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page"&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Consolidated Edison, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;1.3&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Okta, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;1.3&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;American Tower Corp.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;1.2&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Exelon Corp.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;1.2&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;American Water Works Co., Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;1.2&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;VeriSign, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;1.2&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Crown Castle, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;1.2&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;American Electric Power Co., Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;1.2&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;CenterPoint Energy, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;1.2&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:initial;border-bottom-style:none;break-inside:avoid-page;height:20pt;border-bottom-color:initial"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;WEC Energy Group, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;1.2&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;&lt;div style="border-bottom-width:1pt;border-bottom-style:solid;font-kerning:none;font-family:'timesnewrompspro';color:rgb(0, 0, 0);letter-spacing:1.25px;text-transform:uppercase;font-size:9pt;border-bottom-color:rgb(0, 0, 0);text-align:center;padding-bottom:5pt;margin-bottom:5pt;font-weight:bold;margin-top:3pt;"&gt; &lt;b&gt;Sector Allocation&lt;/b&gt; &lt;/div&gt;&lt;div style="padding-left:10pt;padding-right:0px;"&gt; &lt;img alt="Graphical Representation - Allocation 2 Chart" src="chartimages_9833036.jpg" style="width: 172.8pt;"/&gt;  &lt;/div&gt;</oef:HoldingsTableTextBlock>
    <oef:LargestHoldingsTableTextBlock
      contextRef="D20241001_20250331_C000071160Member"
      id="t_13_9ae9a482_cb1f_ead2_3151_49ca8f9fd64f">&lt;div style="border-bottom-width:1pt;border-bottom-style:solid;font-kerning:none;font-family:'timesnewrompspro';color:rgb(0, 0, 0);letter-spacing:1.25px;text-transform:uppercase;font-size:9pt;border-bottom-color:rgb(0, 0, 0);text-align:center;padding-bottom:5pt;margin-top:5pt;font-weight:bold;margin-bottom:0px;"&gt; &lt;b&gt;Top Ten Holdings&lt;/b&gt; &lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page"&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Consolidated Edison, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;1.3&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Okta, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;1.3&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;American Tower Corp.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;1.2&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Exelon Corp.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;1.2&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;American Water Works Co., Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;1.2&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;VeriSign, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;1.2&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Crown Castle, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;1.2&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;American Electric Power Co., Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;1.2&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;CenterPoint Energy, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;1.2&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:initial;border-bottom-style:none;break-inside:avoid-page;height:20pt;border-bottom-color:initial"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;WEC Energy Group, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;1.2&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;</oef:LargestHoldingsTableTextBlock>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000071160Member_ConsolidatedEdisonIncMember"
      decimals="4"
      id="h_66_28304707_b888_49c3_9409_49a4f037bb21"
      unitRef="pure">0.013</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000071160Member_OktaIncMember"
      decimals="4"
      id="h_67_390d7de3_cf2c_46f9_8b32_5026647f7a64"
      unitRef="pure">0.013</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000071160Member_AmericanTowerCorpMember"
      decimals="4"
      id="h_68_0620d434_fe2c_4cb2_bf8c_a2d2b849648e"
      unitRef="pure">0.012</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000071160Member_ExelonCorpMember"
      decimals="4"
      id="h_69_066fd1ca_3b35_4a5f_a1ae_96a3a13d340b"
      unitRef="pure">0.012</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000071160Member_AmericanWaterWorksCoIncMember"
      decimals="4"
      id="h_70_65795461_0364_4338_97de_64a6319baa7e"
      unitRef="pure">0.012</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000071160Member_VeriSignIncMember"
      decimals="4"
      id="h_71_64cb9628_7a6b_43ee_a708_cfcb730ac3e9"
      unitRef="pure">0.012</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000071160Member_CrownCastleIncMember"
      decimals="4"
      id="h_72_4aa61095_bb24_4b60_9ef8_2871e76fb0ac"
      unitRef="pure">0.012</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000071160Member_AmericanElectricPowerCoIncMember"
      decimals="4"
      id="h_73_d62e462f_519f_4345_9f43_501fc96668b6"
      unitRef="pure">0.012</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000071160Member_CenterPointEnergyIncMember"
      decimals="4"
      id="h_74_91054f8d_4254_49f1_9475_9a1117df9006"
      unitRef="pure">0.012</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000071160Member_WECEnergyGroupIncMember"
      decimals="4"
      id="h_75_874152c0_0975_433d_bb75_2bf531413a3c"
      unitRef="pure">0.012</oef:PctOfTotalInv>
    <oef:ClassName
      contextRef="D20241001_20250331_C000081044Member"
      id="t_1_ab0a975a_7233_eeee_eb18_fbb98ebbf2f9">First Trust NASDAQ&#xae; Clean Edge&#xae; Smart Grid Infrastructure Index Fund</oef:ClassName>
    <oef:FundName
      contextRef="D20241001_20250331_C000081044Member"
      id="t_2_f79877e4_df53_3b7a_895c_4d59cc18f850">First Trust NASDAQ&#xae; Clean Edge&#xae; Smart Grid Infrastructure Index Fund</oef:FundName>
    <dei:TradingSymbol
      contextRef="D20241001_20250331_C000081044Member"
      id="t_3_2ff37cd2_67c7_a69e_4fbf_76a71f497b7f">GRID</dei:TradingSymbol>
    <oef:AnnlOrSemiAnnlStatementTextBlock
      contextRef="D20241001_20250331_C000081044Member"
      id="t_5_b0c21903_e990_580b_027f_5a95d6cbb6d9">This semi-annual shareholder report contains important information about the First Trust NASDAQ&lt;sup style="vertical-align:3.2pt;line-height:0px"&gt;&#xae;&lt;/sup&gt; Clean Edge&lt;sup style="vertical-align:3.2pt;line-height:0px"&gt;&#xae;&lt;/sup&gt; Smart Grid Infrastructure Index Fund (the &#x201c;Fund&#x201d;) for the period of October 1, 2024 to March 31, 2025.</oef:AnnlOrSemiAnnlStatementTextBlock>
    <oef:ShareholderReportAnnualOrSemiAnnual
      contextRef="D20241001_20250331_C000081044Member"
      id="t_4_7c974f80_a47c_34fc_2fc0_7d86f65e4284">semi-annual shareholder report</oef:ShareholderReportAnnualOrSemiAnnual>
    <oef:AddlInfoTextBlock
      contextRef="D20241001_20250331_C000081044Member"
      id="t_6_26a7c6da_dc05_c6b4_e3dd_42f48254ad46">You can find additional information about the Fund at &lt;span style="white-space:nowrap;color:rgb(0, 60, 113);text-decoration-line:underline"&gt;www.ftportfolios.com/fund-documents/etf/GRID&lt;/span&gt;. You can also request this information by contacting us at 1-800-621-1675 or &lt;span style="text-decoration-line:underline;color:rgb(0, 60, 113);font-family:'timesnewrompspro';font-size:9pt"&gt;info@ftportfolios.com&lt;/span&gt;.</oef:AddlInfoTextBlock>
    <oef:AddlInfoWebsite
      contextRef="D20241001_20250331_C000081044Member"
      id="t_7_c2946adc_a6d6_b171_5496_8b2bdf680d50">www.ftportfolios.com/fund-documents/etf/GRID</oef:AddlInfoWebsite>
    <oef:AddlInfoPhoneNumber
      contextRef="D20241001_20250331_C000081044Member"
      id="t_8_978c0491_1487_e96d_eda7_5f862c29887e">1-800-621-1675</oef:AddlInfoPhoneNumber>
    <oef:AddlInfoEmail
      contextRef="D20241001_20250331_C000081044Member"
      id="t_9_06c24c76_11be_4257_023d_a10655abf378">info@ftportfolios.com</oef:AddlInfoEmail>
    <oef:ExpensesTextBlock
      contextRef="D20241001_20250331_C000081044Member"
      id="t_10_b2c035be_c1f7_8c6e_bf75_1fcda29801fd">&lt;div style="margin-top:0px;font-kerning:none;font-family:'timesnewrompspro';color:rgb(0, 60, 113);font-size:11.52pt;font-weight:bold;margin-bottom:3pt;"&gt;WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS?&lt;/div&gt;&lt;div style="margin-top:0px;margin-bottom:0px;font-kerning:none;font-family:'timesnewrompspro';color:rgb(0, 0, 0);font-size:9pt;"&gt;(Based on a hypothetical $10,000 investment)&lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page"&gt;
&lt;tr style="break-after:avoid;border-bottom-style:solid;border-bottom-width:1pt;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-weight: bold; text-align: left; font-size: 9pt; font-kerning: none; vertical-align: bottom;"&gt;Fund&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-weight: bold; vertical-align: bottom;"&gt;Costs of a $10,000 investment&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-weight: bold; vertical-align: bottom;"&gt;Costs paid as a percentage&lt;br/&gt; of a $10,000 investment&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:initial;border-bottom-style:none;break-inside:avoid-page;height:20pt;border-bottom-color:initial"&gt;
&lt;td style="break-inside: avoid-page; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-kerning: none; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; vertical-align: bottom;"&gt;First Trust NASDAQ&lt;sup style="vertical-align:3.2pt;line-height:0px"&gt;&#xae;&lt;/sup&gt; Clean Edge&lt;sup style="vertical-align:3.2pt;line-height:0px"&gt;&#xae;&lt;/sup&gt; Smart Grid Infrastructure Index Fund&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; vertical-align: bottom;"&gt;&lt;span style="float:none"&gt;$&lt;/span&gt;26&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; vertical-align: bottom;"&gt;0.56&lt;span&gt;%&lt;/span&gt;&lt;sup style="vertical-align:3.2pt;line-height:0px"&gt;(1)&lt;/sup&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page"&gt;
&lt;tr style="border-bottom-width:initial;border-bottom-style:none;break-inside:avoid-page;height:9pt;border-bottom-color:initial"&gt;
&lt;td style="break-inside: avoid-page; font-kerning: none; padding-top: 0; padding-right: 0; padding-bottom: 0; padding-left: 0; font-family: 'TimesNewRomPSPro'; font-style: normal; font-size: 7.5pt; color: rgb(0, 0, 0); text-align: left; width: 1.8em; vertical-align: top;"&gt;
&lt;div style="font-kerning:none;font-family:'timesnewrompspro';color:rgb(0, 0, 0);font-size:7.5pt;margin-top:0px;margin-bottom:0px;"&gt;&#x200b;&lt;sup style="vertical-align:3.2pt;line-height:0px"&gt;(1)&lt;/sup&gt;&lt;/div&gt;&lt;/td&gt;
&lt;td style="break-inside: avoid-page; padding-top: 3px; padding-right: 0; padding-bottom: 0; padding-left: 0; font-family: 'TimesNewRomPSPro'; font-style: normal; font-size: 7.5pt; color: rgb(0, 0, 0); text-align: left; vertical-align: top;"&gt;
&lt;div style="font-kerning:none;font-family:'timesnewrompspro';color:rgb(0, 0, 0);font-size:7.5pt;margin-top:0px;margin-bottom:0px;"&gt;Annualized.&lt;/div&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;</oef:ExpensesTextBlock>
    <oef:ExpensesPaidAmt
      contextRef="D20241001_20250331_C000081044Member"
      decimals="INF"
      id="h_76_e5cf5231_ec10_42a5_bbc7_37303678d8c5"
      unitRef="USD">26</oef:ExpensesPaidAmt>
    <oef:ExpenseRatioPct
      contextRef="D20241001_20250331_C000081044Member"
      decimals="4"
      id="h_77_d7aaf8cd_c11b_49e9_9470_9e8312fccb49"
      unitRef="pure">0.0056</oef:ExpenseRatioPct>
    <oef:AddlFundStatisticsTextBlock
      contextRef="D20241001_20250331_C000081044Member"
      id="t_11_3d0725a6_3b3b_cb9c_59ed_ebac77cac52d">&lt;div style="font-kerning:none;font-family:'timesnewrompspro';color:rgb(0, 60, 113);font-size:11.52pt;font-weight:bold;margin-bottom:3pt;margin-top:10pt;"&gt;KEY FUND STATISTICS (As of March 31, 2025)&lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page"&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-kerning: none; color: rgb(0, 0, 0); font-size: 9pt; font-weight: bold; text-align: left; width: 60%; font-family: 'TimesNewRomPSPro'; font-style: normal;"&gt;Fund net assets&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt;"&gt;&lt;span style="float:none"&gt;$&lt;/span&gt;2,009,750,683&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-kerning: none; color: rgb(0, 0, 0); font-size: 9pt; font-weight: bold; text-align: left; width: 60%; font-family: 'TimesNewRomPSPro'; font-style: normal;"&gt;Total number of portfolio holdings&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt;"&gt;108&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:initial;border-bottom-style:none;break-inside:avoid-page;height:20pt;border-bottom-color:initial"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-kerning: none; color: rgb(0, 0, 0); font-size: 9pt; font-weight: bold; text-align: left; width: 60%; font-family: 'TimesNewRomPSPro'; font-style: normal;"&gt;Portfolio turnover rate&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt;"&gt;9&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;</oef:AddlFundStatisticsTextBlock>
    <us-gaap:AssetsNet
      contextRef="TI20250331_C000081044Member"
      decimals="INF"
      id="h_78_0ece24a1_9669_412b_80ad_0f337d91bd42"
      unitRef="USD">2009750683</us-gaap:AssetsNet>
    <oef:HoldingsCount
      contextRef="TI20250331_C000081044Member"
      decimals="INF"
      id="h_79_be881c96_d7b0_4d29_b1ea_c1c0f70cb8b5"
      unitRef="Holding">108</oef:HoldingsCount>
    <us-gaap:InvestmentCompanyPortfolioTurnover
      contextRef="D20241001_20250331_C000081044Member"
      decimals="4"
      id="h_80_447aa16e_ee0c_46a4_9a31_7e9460907d42"
      unitRef="pure">0.09</us-gaap:InvestmentCompanyPortfolioTurnover>
    <oef:HoldingsTableTextBlock
      contextRef="D20241001_20250331_C000081044Member"
      id="t_13_53e4b34a_143a_1443_756e_df8de017f935">&lt;div style="margin-top:0px;font-kerning:none;font-family:'timesnewrompspro';color:rgb(0, 60, 113);font-size:11.52pt;font-weight:bold;margin-bottom:3pt;"&gt;WHAT DID THE FUND INVEST IN? (As of March 31, 2025)&lt;/div&gt;&lt;div style="margin-top:0px;font-family:'timesnewrompspro';color:rgb(0, 0, 0);font-size:9pt;margin-bottom:10pt;font-kerning:none;"&gt;The tables below show the investment makeup of the Fund, representing the percentage of total investments of the Fund.&lt;/div&gt;&lt;div style="border-bottom-width:1pt;border-bottom-style:solid;font-kerning:none;font-family:'timesnewrompspro';color:rgb(0, 0, 0);letter-spacing:1.25px;text-transform:uppercase;font-size:9pt;border-bottom-color:rgb(0, 0, 0);text-align:center;padding-bottom:5pt;margin-top:5pt;font-weight:bold;margin-bottom:0px;"&gt; &lt;b&gt;Top Ten Holdings&lt;/b&gt; &lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page"&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;National Grid PLC&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;8.8&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;ABB Ltd.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;7.9&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Schneider Electric SE&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;7.8&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Johnson Controls International PLC&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;7.7&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Eaton Corp. PLC&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;7.6&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Quanta Services, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;4.0&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Hubbell, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;3.6&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Prysmian S.p.A.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;3.5&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Aptiv PLC&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;2.8&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:initial;border-bottom-style:none;break-inside:avoid-page;height:20pt;border-bottom-color:initial"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Terna-Rete Elettrica Nazionale&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;2.7&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;&lt;div style="border-bottom-width:1pt;border-bottom-style:solid;font-kerning:none;font-family:'timesnewrompspro';color:rgb(0, 0, 0);letter-spacing:1.25px;text-transform:uppercase;font-size:9pt;border-bottom-color:rgb(0, 0, 0);text-align:center;padding-bottom:5pt;margin-bottom:5pt;font-weight:bold;margin-top:3pt;"&gt; &lt;b&gt;Sector Allocation&lt;/b&gt; &lt;/div&gt;&lt;div style="padding-left:10pt;padding-right:0px;"&gt; &lt;img alt="Graphical Representation - Allocation 2 Chart" src="chartimages_9833078.jpg" style="width: 172.8pt;"/&gt;  &lt;/div&gt;&lt;div style="font-kerning:none;font-size:7.5pt;padding-left:1.5em;text-indent:-1.5em;margin-top:1.5em;margin-bottom:7.5pt;"&gt;Any amount shown as 0.0% represents less than 0.1%.&lt;/div&gt;</oef:HoldingsTableTextBlock>
    <oef:LargestHoldingsTableTextBlock
      contextRef="D20241001_20250331_C000081044Member"
      id="t_12_cfe43b0c_ed97_43d4_9d76_279d33510d98">&lt;div style="border-bottom-width:1pt;border-bottom-style:solid;font-kerning:none;font-family:'timesnewrompspro';color:rgb(0, 0, 0);letter-spacing:1.25px;text-transform:uppercase;font-size:9pt;border-bottom-color:rgb(0, 0, 0);text-align:center;padding-bottom:5pt;margin-top:5pt;font-weight:bold;margin-bottom:0px;"&gt; &lt;b&gt;Top Ten Holdings&lt;/b&gt; &lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page"&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;National Grid PLC&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;8.8&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;ABB Ltd.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;7.9&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Schneider Electric SE&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;7.8&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Johnson Controls International PLC&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;7.7&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Eaton Corp. PLC&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;7.6&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Quanta Services, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;4.0&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Hubbell, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;3.6&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Prysmian S.p.A.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;3.5&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Aptiv PLC&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;2.8&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:initial;border-bottom-style:none;break-inside:avoid-page;height:20pt;border-bottom-color:initial"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Terna-Rete Elettrica Nazionale&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;2.7&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;</oef:LargestHoldingsTableTextBlock>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000081044Member_NationalGridPLCMember"
      decimals="4"
      id="h_81_ec3de577_19ca_4082_b8eb_3e02b3d43337"
      unitRef="pure">0.088</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000081044Member_ABBLtdMember"
      decimals="4"
      id="h_82_bd1e5840_235a_4134_b398_59ec0d05db40"
      unitRef="pure">0.079</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000081044Member_SchneiderElectricSEMember"
      decimals="4"
      id="h_83_5af9059f_388a_43d8_a896_1ac94927052b"
      unitRef="pure">0.078</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000081044Member_JohnsonControlsInternationalPLCMember"
      decimals="4"
      id="h_84_a34b6605_9b75_4146_b934_425aa65c8130"
      unitRef="pure">0.077</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000081044Member_EatonCorpPLCMember"
      decimals="4"
      id="h_85_1df20b71_d9e5_4e4c_940a_34c6ed4041bb"
      unitRef="pure">0.076</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000081044Member_QuantaServicesIncMember"
      decimals="4"
      id="h_86_bf5e9f4e_b5ae_4471_8427_f8b85ec4c595"
      unitRef="pure">0.040</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000081044Member_HubbellIncMember"
      decimals="4"
      id="h_87_5241d08a_589c_4c49_af1c_c9f6c6e199fb"
      unitRef="pure">0.036</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000081044Member_PrysmianSPAMember"
      decimals="4"
      id="h_88_cda01f3a_9f1a_4d8d_993f_2582593a7b14"
      unitRef="pure">0.035</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000081044Member_AptivPLCMember"
      decimals="4"
      id="h_89_f8e972ab_4bb2_4311_ad2a_620169d4de68"
      unitRef="pure">0.028</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000081044Member_TernaReteElettricaNazionaleMember"
      decimals="4"
      id="h_90_aa9aef25_f5b6_4686_9b3c_c93d1ed03b0c"
      unitRef="pure">0.027</oef:PctOfTotalInv>
    <oef:ClassName
      contextRef="D20241001_20250331_C000087410Member"
      id="t_1_1f7ea602_e33b_c4a1_475e_b77ba24fb836">First Trust Indxx Global Natural Resources Income ETF</oef:ClassName>
    <oef:FundName
      contextRef="D20241001_20250331_C000087410Member"
      id="t_2_ed332995_b2e4_54fa_cbef_6a8ed2c4b4dd">First Trust Indxx Global Natural Resources Income ETF</oef:FundName>
    <dei:TradingSymbol
      contextRef="D20241001_20250331_C000087410Member"
      id="t_3_947c6fcc_b45e_a766_576f_df80cc4bf259">FTRI</dei:TradingSymbol>
    <oef:AnnlOrSemiAnnlStatementTextBlock
      contextRef="D20241001_20250331_C000087410Member"
      id="t_4_476693b6_d751_b71a_3470_7edbd82543f4">This semi-annual shareholder report contains important information about the First Trust Indxx Global Natural Resources Income ETF (the &#x201c;Fund&#x201d;) for the period of October 1, 2024 to March 31, 2025.</oef:AnnlOrSemiAnnlStatementTextBlock>
    <oef:ShareholderReportAnnualOrSemiAnnual
      contextRef="D20241001_20250331_C000087410Member"
      id="t_5_780aee59_4331_085c_a718_d3bad9b8bce6">semi-annual shareholder report</oef:ShareholderReportAnnualOrSemiAnnual>
    <oef:AddlInfoTextBlock
      contextRef="D20241001_20250331_C000087410Member"
      id="t_6_1b224d37_3e9c_e90d_0b76_34c7eacf02fc">You can find additional information about the Fund at &lt;span style="white-space:nowrap;color:rgb(0, 60, 113);text-decoration-line:underline"&gt;www.ftportfolios.com/fund-documents/etf/FTRI&lt;/span&gt;. You can also request this information by contacting us at 1-800-621-1675 or &lt;span style="text-decoration-line:underline;color:rgb(0, 60, 113);font-family:'timesnewrompspro';font-size:9pt"&gt;info@ftportfolios.com&lt;/span&gt;.</oef:AddlInfoTextBlock>
    <oef:AddlInfoWebsite
      contextRef="D20241001_20250331_C000087410Member"
      id="t_7_9048b7db_395b_fb42_5b49_1d3655699d74">www.ftportfolios.com/fund-documents/etf/FTRI</oef:AddlInfoWebsite>
    <oef:AddlInfoPhoneNumber
      contextRef="D20241001_20250331_C000087410Member"
      id="t_8_5661393b_164f_497e_a974_a77f6d010b46">1-800-621-1675</oef:AddlInfoPhoneNumber>
    <oef:AddlInfoEmail
      contextRef="D20241001_20250331_C000087410Member"
      id="t_9_664e86ee_b8fb_8d84_9545_2dc640efd63e">info@ftportfolios.com</oef:AddlInfoEmail>
    <oef:ExpensesTextBlock
      contextRef="D20241001_20250331_C000087410Member"
      id="t_10_7dd6cb39_41ce_7be1_9d21_a91c1289e412">&lt;div style="margin-top:0px;font-kerning:none;font-family:'timesnewrompspro';color:rgb(0, 60, 113);font-size:11.52pt;font-weight:bold;margin-bottom:3pt;"&gt;WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS?&lt;/div&gt;&lt;div style="margin-top:0px;margin-bottom:0px;font-kerning:none;font-family:'timesnewrompspro';color:rgb(0, 0, 0);font-size:9pt;"&gt;(Based on a hypothetical $10,000 investment)&lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page"&gt;
&lt;tr style="break-after:avoid;border-bottom-style:solid;border-bottom-width:1pt;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-weight: bold; text-align: left; font-size: 9pt; font-kerning: none; vertical-align: bottom;"&gt;Fund&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-weight: bold; vertical-align: bottom;"&gt;Costs of a $10,000 investment&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-weight: bold; vertical-align: bottom;"&gt;Costs paid as a percentage&lt;br/&gt; of a $10,000 investment&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:initial;border-bottom-style:none;break-inside:avoid-page;height:20pt;border-bottom-color:initial"&gt;
&lt;td style="break-inside: avoid-page; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-kerning: none; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; vertical-align: bottom;"&gt;First Trust Indxx Global Natural Resources Income ETF&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; vertical-align: bottom;"&gt;&lt;span style="float:none"&gt;$&lt;/span&gt;35&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; vertical-align: bottom;"&gt;0.70&lt;span&gt;%&lt;/span&gt;&lt;sup style="vertical-align:3.2pt;line-height:0px"&gt;(1)&lt;/sup&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page"&gt;
&lt;tr style="border-bottom-width:initial;border-bottom-style:none;break-inside:avoid-page;height:9pt;border-bottom-color:initial"&gt;
&lt;td style="break-inside: avoid-page; font-kerning: none; padding-top: 0; padding-right: 0; padding-bottom: 0; padding-left: 0; font-family: 'TimesNewRomPSPro'; font-style: normal; font-size: 7.5pt; color: rgb(0, 0, 0); text-align: left; width: 1.8em; vertical-align: top;"&gt;
&lt;div style="font-kerning:none;font-family:'timesnewrompspro';color:rgb(0, 0, 0);font-size:7.5pt;margin-top:0px;margin-bottom:0px;"&gt;&#x200b;&lt;sup style="vertical-align:3.2pt;line-height:0px"&gt;(1)&lt;/sup&gt;&lt;/div&gt;&lt;/td&gt;
&lt;td style="break-inside: avoid-page; padding-top: 3px; padding-right: 0; padding-bottom: 0; padding-left: 0; font-family: 'TimesNewRomPSPro'; font-style: normal; font-size: 7.5pt; color: rgb(0, 0, 0); text-align: left; vertical-align: top;"&gt;
&lt;div style="font-kerning:none;font-family:'timesnewrompspro';color:rgb(0, 0, 0);font-size:7.5pt;margin-top:0px;margin-bottom:0px;"&gt;Annualized.&lt;/div&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;</oef:ExpensesTextBlock>
    <oef:ExpensesPaidAmt
      contextRef="D20241001_20250331_C000087410Member"
      decimals="INF"
      id="h_91_15ca9933_8017_4185_822d_0059b8609086"
      unitRef="USD">35</oef:ExpensesPaidAmt>
    <oef:ExpenseRatioPct
      contextRef="D20241001_20250331_C000087410Member"
      decimals="4"
      id="h_92_de1ff0dd_17a3_4ce1_97c1_6479ddc2b1f9"
      unitRef="pure">0.0070</oef:ExpenseRatioPct>
    <oef:AddlFundStatisticsTextBlock
      contextRef="D20241001_20250331_C000087410Member"
      id="t_11_c9cb459a_d030_cdd9_b07e_4b2d6d5def82">&lt;div style="font-kerning:none;font-family:'timesnewrompspro';color:rgb(0, 60, 113);font-size:11.52pt;font-weight:bold;margin-bottom:3pt;margin-top:10pt;"&gt;KEY FUND STATISTICS (As of March 31, 2025)&lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page"&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-kerning: none; color: rgb(0, 0, 0); font-size: 9pt; font-weight: bold; text-align: left; width: 60%; font-family: 'TimesNewRomPSPro'; font-style: normal;"&gt;Fund net assets&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt;"&gt;&lt;span style="float:none"&gt;$&lt;/span&gt;91,386,563&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-kerning: none; color: rgb(0, 0, 0); font-size: 9pt; font-weight: bold; text-align: left; width: 60%; font-family: 'TimesNewRomPSPro'; font-style: normal;"&gt;Total number of portfolio holdings&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt;"&gt;52&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:initial;border-bottom-style:none;break-inside:avoid-page;height:20pt;border-bottom-color:initial"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-kerning: none; color: rgb(0, 0, 0); font-size: 9pt; font-weight: bold; text-align: left; width: 60%; font-family: 'TimesNewRomPSPro'; font-style: normal;"&gt;Portfolio turnover rate&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt;"&gt;4&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;</oef:AddlFundStatisticsTextBlock>
    <us-gaap:AssetsNet
      contextRef="TI20250331_C000087410Member"
      decimals="INF"
      id="h_93_481be7c9_8205_465d_89ce_558fcf72b0a2"
      unitRef="USD">91386563</us-gaap:AssetsNet>
    <oef:HoldingsCount
      contextRef="TI20250331_C000087410Member"
      decimals="INF"
      id="h_94_3ff97c35_7c65_4dc3_abda_f2146fd6fe2c"
      unitRef="Holding">52</oef:HoldingsCount>
    <us-gaap:InvestmentCompanyPortfolioTurnover
      contextRef="D20241001_20250331_C000087410Member"
      decimals="4"
      id="h_95_ed68bbf3_4c4f_4790_8a51_0b27d1f56ed5"
      unitRef="pure">0.04</us-gaap:InvestmentCompanyPortfolioTurnover>
    <oef:HoldingsTableTextBlock
      contextRef="D20241001_20250331_C000087410Member"
      id="t_12_83f60bde_af64_5d62_5e86_3e71632d65ba">&lt;div style="margin-top:0px;font-kerning:none;font-family:'timesnewrompspro';color:rgb(0, 60, 113);font-size:11.52pt;font-weight:bold;margin-bottom:3pt;"&gt;WHAT DID THE FUND INVEST IN? (As of March 31, 2025)&lt;/div&gt;&lt;div style="margin-top:0px;font-family:'timesnewrompspro';color:rgb(0, 0, 0);font-size:9pt;margin-bottom:10pt;font-kerning:none;"&gt;The tables below show the investment makeup of the Fund, representing the percentage of total investments of the Fund.&lt;/div&gt;&lt;div style="border-bottom-width:1pt;border-bottom-style:solid;font-kerning:none;font-family:'timesnewrompspro';color:rgb(0, 0, 0);letter-spacing:1.25px;text-transform:uppercase;font-size:9pt;border-bottom-color:rgb(0, 0, 0);text-align:center;padding-bottom:5pt;margin-top:5pt;font-weight:bold;margin-bottom:0px;"&gt; &lt;b&gt;Top Ten Holdings&lt;/b&gt; &lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page"&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Agnico Eagle Mines Ltd.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;9.2&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Canadian Natural Resources Ltd.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;9.0&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Freeport-McMoRan, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;8.8&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;American Water Works Co., Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;5.9&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;RBC Dominion Securities, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;4.5&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;JPMorgan Chase &amp;amp; Co.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;4.4&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Ecopetrol S.A., ADR&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;4.2&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Weyerhaeuser Co.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;3.9&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Nutrien Ltd.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;3.8&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:initial;border-bottom-style:none;break-inside:avoid-page;height:20pt;border-bottom-color:initial"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Kinross Gold Corp.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;3.3&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;&lt;div style="border-bottom-width:1pt;border-bottom-style:solid;font-kerning:none;font-family:'timesnewrompspro';color:rgb(0, 0, 0);letter-spacing:1.25px;text-transform:uppercase;font-size:9pt;border-bottom-color:rgb(0, 0, 0);text-align:center;padding-bottom:5pt;margin-bottom:5pt;font-weight:bold;margin-top:3pt;"&gt; &lt;b&gt;Sector Allocation&lt;/b&gt; &lt;/div&gt;&lt;div style="padding-left:10pt;padding-right:0px;"&gt; &lt;img alt="Graphical Representation - Allocation 2 Chart" src="chartimages_9833120.jpg" style="width: 172.8pt;"/&gt;  &lt;/div&gt;</oef:HoldingsTableTextBlock>
    <oef:LargestHoldingsTableTextBlock
      contextRef="D20241001_20250331_C000087410Member"
      id="t_13_53f5b174_1de6_1bea_1df5_641a8c2bb2d3">&lt;div style="border-bottom-width:1pt;border-bottom-style:solid;font-kerning:none;font-family:'timesnewrompspro';color:rgb(0, 0, 0);letter-spacing:1.25px;text-transform:uppercase;font-size:9pt;border-bottom-color:rgb(0, 0, 0);text-align:center;padding-bottom:5pt;margin-top:5pt;font-weight:bold;margin-bottom:0px;"&gt; &lt;b&gt;Top Ten Holdings&lt;/b&gt; &lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page"&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Agnico Eagle Mines Ltd.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;9.2&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Canadian Natural Resources Ltd.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;9.0&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Freeport-McMoRan, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;8.8&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;American Water Works Co., Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;5.9&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;RBC Dominion Securities, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;4.5&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;JPMorgan Chase &amp;amp; Co.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;4.4&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Ecopetrol S.A., ADR&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;4.2&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Weyerhaeuser Co.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;3.9&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Nutrien Ltd.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;3.8&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:initial;border-bottom-style:none;break-inside:avoid-page;height:20pt;border-bottom-color:initial"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Kinross Gold Corp.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;3.3&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;</oef:LargestHoldingsTableTextBlock>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000087410Member_AgnicoEagleMinesLtdMember"
      decimals="4"
      id="h_96_231c4417_b038_43cf_b689_f9963ee64782"
      unitRef="pure">0.092</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000087410Member_CanadianNaturalResourcesLtdMember"
      decimals="4"
      id="h_97_75cda8d6_b3fc_4b17_9f0e_8e9973c38158"
      unitRef="pure">0.090</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000087410Member_FreeportMcMoRanIncMember"
      decimals="4"
      id="h_98_d2f8b649_f498_4b23_ac22_9344b1eee016"
      unitRef="pure">0.088</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000087410Member_AmericanWaterWorksCoIncMember"
      decimals="4"
      id="h_99_223075ae_0427_4bb3_ab4f_b07389b8005a"
      unitRef="pure">0.059</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000087410Member_RBCDominionSecuritiesIncMember"
      decimals="4"
      id="h_100_f053136c_698d_445f_a1d4_8f0c3c2e24f0"
      unitRef="pure">0.045</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000087410Member_JPMorganChaseAndCoMember"
      decimals="4"
      id="h_101_ff49e846_9493_4a9f_8596_9d3ccaf76d0e"
      unitRef="pure">0.044</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000087410Member_EcopetrolSAADRMember"
      decimals="4"
      id="h_102_215bea0f_47db_4c65_a862_b41fba8ce0a8"
      unitRef="pure">0.042</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000087410Member_WeyerhaeuserCoMember"
      decimals="4"
      id="h_103_241e702c_dc1a_4c7b_9115_07f4628e6b62"
      unitRef="pure">0.039</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000087410Member_NutrienLtdMember"
      decimals="4"
      id="h_104_001c17a5_5d94_4203_969d_b37d90a710f5"
      unitRef="pure">0.038</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000087410Member_KinrossGoldCorpMember"
      decimals="4"
      id="h_105_6a350007_7a5c_4cac_8d8c_2225e3fcc501"
      unitRef="pure">0.033</oef:PctOfTotalInv>
    <oef:ClassName
      contextRef="D20241001_20250331_C000087411Member"
      id="t_1_5e2ecacd_1741_edf8_b522_d0b60006eb8a">First Trust Indxx Global Agriculture ETF</oef:ClassName>
    <oef:FundName
      contextRef="D20241001_20250331_C000087411Member"
      id="t_2_54d150ff_29c5_3e00_0361_ddd9afabcf40">First Trust Indxx Global Agriculture ETF</oef:FundName>
    <dei:TradingSymbol
      contextRef="D20241001_20250331_C000087411Member"
      id="t_3_cfd5a591_0430_78d6_2780_7aef2dac5590">FTAG</dei:TradingSymbol>
    <oef:AnnlOrSemiAnnlStatementTextBlock
      contextRef="D20241001_20250331_C000087411Member"
      id="t_4_8983a5bc_f5e7_7c1e_bc30_af00c75369fe">This semi-annual shareholder report contains important information about the First Trust Indxx Global Agriculture ETF (the &#x201c;Fund&#x201d;) for the period of October 1, 2024 to March 31, 2025.</oef:AnnlOrSemiAnnlStatementTextBlock>
    <oef:ShareholderReportAnnualOrSemiAnnual
      contextRef="D20241001_20250331_C000087411Member"
      id="t_5_fbe84dad_2d9a_ba21_6cc1_084af91698aa">semi-annual shareholder report</oef:ShareholderReportAnnualOrSemiAnnual>
    <oef:AddlInfoTextBlock
      contextRef="D20241001_20250331_C000087411Member"
      id="t_6_d0446aa5_4469_c049_634b_88666f414198">You can find additional information about the Fund at &lt;span style="white-space:nowrap;color:rgb(0, 60, 113);text-decoration-line:underline"&gt;www.ftportfolios.com/fund-documents/etf/FTAG&lt;/span&gt;. You can also request this information by contacting us at 1-800-621-1675 or &lt;span style="text-decoration-line:underline;color:rgb(0, 60, 113);font-family:'timesnewrompspro';font-size:9pt"&gt;info@ftportfolios.com&lt;/span&gt;.</oef:AddlInfoTextBlock>
    <oef:AddlInfoWebsite
      contextRef="D20241001_20250331_C000087411Member"
      id="t_7_fe3af82c_25b5_3346_e3bc_58caaa4a8d80">www.ftportfolios.com/fund-documents/etf/FTAG</oef:AddlInfoWebsite>
    <oef:AddlInfoPhoneNumber
      contextRef="D20241001_20250331_C000087411Member"
      id="t_8_2f41ba92_ed02_a344_1281_6bb0961355ef">1-800-621-1675</oef:AddlInfoPhoneNumber>
    <oef:AddlInfoEmail
      contextRef="D20241001_20250331_C000087411Member"
      id="t_9_6bb9c968_8a0d_152e_dde5_954a382f9448">info@ftportfolios.com</oef:AddlInfoEmail>
    <oef:ExpensesTextBlock
      contextRef="D20241001_20250331_C000087411Member"
      id="t_10_53b8759f_4cd7_93d8_c8f0_bf5ded02a6d9">&lt;div style="margin-top:0px;font-kerning:none;font-family:'timesnewrompspro';color:rgb(0, 60, 113);font-size:11.52pt;font-weight:bold;margin-bottom:3pt;"&gt;WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS?&lt;/div&gt;&lt;div style="margin-top:0px;margin-bottom:0px;font-kerning:none;font-family:'timesnewrompspro';color:rgb(0, 0, 0);font-size:9pt;"&gt;(Based on a hypothetical $10,000 investment)&lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page"&gt;
&lt;tr style="break-after:avoid;border-bottom-style:solid;border-bottom-width:1pt;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-weight: bold; text-align: left; font-size: 9pt; font-kerning: none; vertical-align: bottom;"&gt;Fund&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-weight: bold; vertical-align: bottom;"&gt;Costs of a $10,000 investment&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-weight: bold; vertical-align: bottom;"&gt;Costs paid as a percentage&lt;br/&gt; of a $10,000 investment&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:initial;border-bottom-style:none;break-inside:avoid-page;height:20pt;border-bottom-color:initial"&gt;
&lt;td style="break-inside: avoid-page; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-kerning: none; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; vertical-align: bottom;"&gt;First Trust Indxx Global Agriculture ETF&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; vertical-align: bottom;"&gt;&lt;span style="float:none"&gt;$&lt;/span&gt;34&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; vertical-align: bottom;"&gt;0.70&lt;span&gt;%&lt;/span&gt;&lt;sup style="vertical-align:3.2pt;line-height:0px"&gt;(1)&lt;/sup&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page"&gt;
&lt;tr style="border-bottom-width:initial;border-bottom-style:none;break-inside:avoid-page;height:9pt;border-bottom-color:initial"&gt;
&lt;td style="break-inside: avoid-page; font-kerning: none; padding-top: 0; padding-right: 0; padding-bottom: 0; padding-left: 0; font-family: 'TimesNewRomPSPro'; font-style: normal; font-size: 7.5pt; color: rgb(0, 0, 0); text-align: left; width: 1.8em; vertical-align: top;"&gt;
&lt;div style="font-kerning:none;font-family:'timesnewrompspro';color:rgb(0, 0, 0);font-size:7.5pt;margin-top:0px;margin-bottom:0px;"&gt;&#x200b;&lt;sup style="vertical-align:3.2pt;line-height:0px"&gt;(1)&lt;/sup&gt;&lt;/div&gt;&lt;/td&gt;
&lt;td style="break-inside: avoid-page; padding-top: 3px; padding-right: 0; padding-bottom: 0; padding-left: 0; font-family: 'TimesNewRomPSPro'; font-style: normal; font-size: 7.5pt; color: rgb(0, 0, 0); text-align: left; vertical-align: top;"&gt;
&lt;div style="font-kerning:none;font-family:'timesnewrompspro';color:rgb(0, 0, 0);font-size:7.5pt;margin-top:0px;margin-bottom:0px;"&gt;Annualized.&lt;/div&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;</oef:ExpensesTextBlock>
    <oef:ExpensesPaidAmt
      contextRef="D20241001_20250331_C000087411Member"
      decimals="INF"
      id="h_106_7e76db5d_c9cf_427e_ba29_6c31990c21b4"
      unitRef="USD">34</oef:ExpensesPaidAmt>
    <oef:ExpenseRatioPct
      contextRef="D20241001_20250331_C000087411Member"
      decimals="4"
      id="h_107_2c7cafcd_ad0c_465a_a37d_b4dc410a5eab"
      unitRef="pure">0.0070</oef:ExpenseRatioPct>
    <oef:AddlFundStatisticsTextBlock
      contextRef="D20241001_20250331_C000087411Member"
      id="t_11_1915f730_05a0_b21c_19a7_fd2a3ae5bd29">&lt;div style="font-kerning:none;font-family:'timesnewrompspro';color:rgb(0, 60, 113);font-size:11.52pt;font-weight:bold;margin-bottom:3pt;margin-top:10pt;"&gt;KEY FUND STATISTICS (As of March 31, 2025)&lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page"&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-kerning: none; color: rgb(0, 0, 0); font-size: 9pt; font-weight: bold; text-align: left; width: 60%; font-family: 'TimesNewRomPSPro'; font-style: normal;"&gt;Fund net assets&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt;"&gt;&lt;span style="float:none"&gt;$&lt;/span&gt;5,827,494&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-kerning: none; color: rgb(0, 0, 0); font-size: 9pt; font-weight: bold; text-align: left; width: 60%; font-family: 'TimesNewRomPSPro'; font-style: normal;"&gt;Total number of portfolio holdings&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt;"&gt;47&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:initial;border-bottom-style:none;break-inside:avoid-page;height:20pt;border-bottom-color:initial"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-kerning: none; color: rgb(0, 0, 0); font-size: 9pt; font-weight: bold; text-align: left; width: 60%; font-family: 'TimesNewRomPSPro'; font-style: normal;"&gt;Portfolio turnover rate&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt;"&gt;8&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;</oef:AddlFundStatisticsTextBlock>
    <us-gaap:AssetsNet
      contextRef="TI20250331_C000087411Member"
      decimals="INF"
      id="h_108_7098363d_4293_4405_a978_d3cc36c71866"
      unitRef="USD">5827494</us-gaap:AssetsNet>
    <oef:HoldingsCount
      contextRef="TI20250331_C000087411Member"
      decimals="INF"
      id="h_109_7e946908_d5f7_4cfe_bc56_794e839eae32"
      unitRef="Holding">47</oef:HoldingsCount>
    <us-gaap:InvestmentCompanyPortfolioTurnover
      contextRef="D20241001_20250331_C000087411Member"
      decimals="4"
      id="h_121_c2734f1c_60e6_eff1_8a3d_f6d7eb4d5c8f"
      unitRef="pure">0.08</us-gaap:InvestmentCompanyPortfolioTurnover>
    <oef:HoldingsTableTextBlock
      contextRef="D20241001_20250331_C000087411Member"
      id="t_12_9669525c_61e1_3d98_5209_9cb0b06e3dff">&lt;div style="margin-top:0px;font-kerning:none;font-family:'timesnewrompspro';color:rgb(0, 60, 113);font-size:11.52pt;font-weight:bold;margin-bottom:3pt;"&gt;WHAT DID THE FUND INVEST IN? (As of March 31, 2025)&lt;/div&gt;&lt;div style="margin-top:0px;font-family:'timesnewrompspro';color:rgb(0, 0, 0);font-size:9pt;margin-bottom:10pt;font-kerning:none;"&gt;The tables below show the investment makeup of the Fund, representing the percentage of total investments of the Fund.&lt;/div&gt;&lt;div style="border-bottom-width:1pt;border-bottom-style:solid;font-kerning:none;font-family:'timesnewrompspro';color:rgb(0, 0, 0);letter-spacing:1.25px;text-transform:uppercase;font-size:9pt;border-bottom-color:rgb(0, 0, 0);text-align:center;padding-bottom:5pt;margin-top:5pt;font-weight:bold;margin-bottom:0px;"&gt; &lt;b&gt;Top Ten Holdings&lt;/b&gt; &lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page"&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Deere &amp;amp; Co.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;9.9&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Corteva, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;9.8&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;BASF SE&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;8.9&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Mahindra &amp;amp; Mahindra Ltd.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;8.7&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Nutrien Ltd.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;4.4&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Industries Qatar QSC&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;4.4&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Bayer AG&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;4.3&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Wilmar International Ltd.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;3.8&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;CNH Industrial N.V.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;3.7&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:initial;border-bottom-style:none;break-inside:avoid-page;height:20pt;border-bottom-color:initial"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Kubota Corp.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;3.4&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;&lt;div style="border-bottom-width:1pt;border-bottom-style:solid;font-kerning:none;font-family:'timesnewrompspro';color:rgb(0, 0, 0);letter-spacing:1.25px;text-transform:uppercase;font-size:9pt;border-bottom-color:rgb(0, 0, 0);text-align:center;padding-bottom:5pt;margin-bottom:5pt;font-weight:bold;margin-top:3pt;"&gt; &lt;b&gt;Sector Allocation&lt;/b&gt; &lt;/div&gt;&lt;div style="padding-left:10pt;padding-right:0px;"&gt; &lt;img alt="Graphical Representation - Allocation 2 Chart" src="chartimages_9833162.jpg" style="width: 172.8pt;"/&gt;  &lt;/div&gt;</oef:HoldingsTableTextBlock>
    <oef:LargestHoldingsTableTextBlock
      contextRef="D20241001_20250331_C000087411Member"
      id="t_13_5a4317de_00ec_bff4_8f92_366d4bb2f83e">&lt;div style="border-bottom-width:1pt;border-bottom-style:solid;font-kerning:none;font-family:'timesnewrompspro';color:rgb(0, 0, 0);letter-spacing:1.25px;text-transform:uppercase;font-size:9pt;border-bottom-color:rgb(0, 0, 0);text-align:center;padding-bottom:5pt;margin-top:5pt;font-weight:bold;margin-bottom:0px;"&gt; &lt;b&gt;Top Ten Holdings&lt;/b&gt; &lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page"&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Deere &amp;amp; Co.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;9.9&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Corteva, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;9.8&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;BASF SE&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;8.9&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Mahindra &amp;amp; Mahindra Ltd.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;8.7&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Nutrien Ltd.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;4.4&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Industries Qatar QSC&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;4.4&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Bayer AG&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;4.3&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Wilmar International Ltd.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;3.8&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;CNH Industrial N.V.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;3.7&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:initial;border-bottom-style:none;break-inside:avoid-page;height:20pt;border-bottom-color:initial"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Kubota Corp.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;3.4&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;</oef:LargestHoldingsTableTextBlock>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000087411Member_DeereAndCoMember"
      decimals="4"
      id="h_111_c8782f43_88eb_4c89_9ac6_ead8b6789b93"
      unitRef="pure">0.099</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000087411Member_CortevaIncMember"
      decimals="4"
      id="h_112_e77e0db4_c536_461f_b5ed_f41921493812"
      unitRef="pure">0.098</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000087411Member_BASFSEMember"
      decimals="4"
      id="h_113_f6ce8e2f_8960_47f9_9998_6f7b60aae3a0"
      unitRef="pure">0.089</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000087411Member_MahindraAndMahindraLtdMember"
      decimals="4"
      id="h_114_38eca158_8a36_4c4a_a652_caac526a7207"
      unitRef="pure">0.087</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000087411Member_NutrienLtdMember"
      decimals="4"
      id="h_115_d5fd8cab_99ad_4d1a_8942_27195a17b783"
      unitRef="pure">0.044</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000087411Member_IndustriesQatarQSCMember"
      decimals="4"
      id="h_116_fab8cd4e_5e51_4ec1_9374_eb0733a72c0b"
      unitRef="pure">0.044</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000087411Member_BayerAGMember"
      decimals="4"
      id="h_117_ebef2b0a_4b12_4abc_a40a_42e98d8c8187"
      unitRef="pure">0.043</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000087411Member_WilmarInternationalLtdMember"
      decimals="4"
      id="h_118_66ebafc3_9f56_40f5_9789_614cfac883b5"
      unitRef="pure">0.038</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000087411Member_CNHIndustrialNVMember"
      decimals="4"
      id="h_119_4aebee02_0683_42cc_b687_f9f78aa93b05"
      unitRef="pure">0.037</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000087411Member_KubotaCorpMember"
      decimals="4"
      id="h_120_db2a298c_8fc2_4fbc_a331_7287c494c525"
      unitRef="pure">0.034</oef:PctOfTotalInv>
    <oef:ClassName
      contextRef="D20241001_20250331_C000092838Member"
      id="t_1_d9ce268e_94a5_cff8_822c_509b16697f42">First Trust Indxx NextG ETF</oef:ClassName>
    <oef:FundName
      contextRef="D20241001_20250331_C000092838Member"
      id="t_2_9a860faf_5ae9_a222_047b_cae6ba03474b">First Trust Indxx NextG ETF</oef:FundName>
    <dei:TradingSymbol
      contextRef="D20241001_20250331_C000092838Member"
      id="t_3_41038642_e003_3bad_7d7b_53f39365ddfc">NXTG</dei:TradingSymbol>
    <oef:AnnlOrSemiAnnlStatementTextBlock
      contextRef="D20241001_20250331_C000092838Member"
      id="t_4_93382a98_3fc2_8f9b_4b1e_10a3d9d10382">This semi-annual shareholder report contains important information about the First Trust Indxx NextG ETF (the &#x201c;Fund&#x201d;) for the period of October 1, 2024 to March 31, 2025.</oef:AnnlOrSemiAnnlStatementTextBlock>
    <oef:ShareholderReportAnnualOrSemiAnnual
      contextRef="D20241001_20250331_C000092838Member"
      id="t_5_247dd8db_3baf_790d_4975_9980c105f172">semi-annual shareholder report</oef:ShareholderReportAnnualOrSemiAnnual>
    <oef:AddlInfoTextBlock
      contextRef="D20241001_20250331_C000092838Member"
      id="t_6_1784d6e0_6448_1431_4ffa_aa251c53c35d">You can find additional information about the Fund at &lt;span style="white-space: nowrap; color: #003c71; text-decoration-line: underline;"&gt;www.ftportfolios.com/fund-documents/etf/NXTG&lt;/span&gt;. You can also request this information by contacting us at 1-800-621-1675 or &lt;span style="text-decoration-line: underline; color: #003c71; font-family: 'timesnewrompspro'; font-size: 9pt;"&gt;info@ftportfolios.com&lt;/span&gt;.</oef:AddlInfoTextBlock>
    <oef:AddlInfoWebsite
      contextRef="D20241001_20250331_C000092838Member"
      id="t_7_b885944e_fac6_c456_46a7_f7447ee3d77e">www.ftportfolios.com/fund-documents/etf/NXTG</oef:AddlInfoWebsite>
    <oef:AddlInfoPhoneNumber
      contextRef="D20241001_20250331_C000092838Member"
      id="t_8_b51724f4_f6be_dfd5_6dbc_53a8a0bba6fc">1-800-621-1675</oef:AddlInfoPhoneNumber>
    <oef:AddlInfoEmail
      contextRef="D20241001_20250331_C000092838Member"
      id="t_9_5c935c35_cd5e_4a30_a5e4_dfa19e259fbb">info@ftportfolios.com</oef:AddlInfoEmail>
    <oef:ExpensesTextBlock
      contextRef="D20241001_20250331_C000092838Member"
      id="t_10_bcb9f7dd_43fb_a780_6ab4_509e77fb8ab7">
&lt;div style="margin-top: 0px; font-kerning: none; font-family: 'timesnewrompspro'; color: #003c71; font-size: 11.52pt; font-weight: bold; margin-bottom: 3pt;"&gt;WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS?&lt;/div&gt;

&lt;div style="margin-top: 0px; margin-bottom: 0px; font-kerning: none; font-family: 'timesnewrompspro'; color: #000000; font-size: 9pt;"&gt;(Based on a hypothetical $10,000 investment)&lt;/div&gt;

&lt;table style="width: 100%; border-collapse: collapse; break-inside: avoid-page;"&gt;

&lt;tr style="break-after: avoid; border-bottom-style: solid; border-bottom-width: 1pt; break-inside: avoid-page; height: 20pt; border-bottom-color: #000000;"&gt;
&lt;td style="break-inside: avoid-page; font-family: 'TimesNewRomPSPro'; color: #000000; font-weight: bold; text-align: left; font-size: 9pt; font-kerning: none; vertical-align: bottom; padding: 6pt 3pt 3pt 3pt;"&gt;Fund&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; font-family: 'TimesNewRomPSPro'; color: #000000; font-size: 9pt; font-weight: bold; vertical-align: bottom; padding: 6pt 3pt 3pt 3pt;"&gt;Costs of a $10,000 investment&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; font-family: 'TimesNewRomPSPro'; color: #000000; font-size: 9pt; font-weight: bold; vertical-align: bottom; padding: 6pt 3pt 3pt 3pt;"&gt;Costs paid as a percentage&lt;br/&gt;of a $10,000 investment&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="border-bottom-width: initial; border-bottom-style: none; break-inside: avoid-page; height: 20pt; border-bottom-color: initial;"&gt;
&lt;td style="break-inside: avoid-page; text-align: left; font-kerning: none; font-family: 'TimesNewRomPSPro'; color: #000000; font-size: 9pt; vertical-align: bottom; padding: 6pt 3pt 3pt 3pt;"&gt;First Trust Indxx NextG ETF&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; font-family: 'TimesNewRomPSPro'; color: #000000; font-size: 9pt; vertical-align: bottom; padding: 6pt 3pt 3pt 3pt;"&gt;&lt;span style="float: none;"&gt;$&lt;/span&gt;34&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: #000000; font-size: 9pt; vertical-align: bottom; padding: 6pt 3pt 3pt 3pt;"&gt;0.70&lt;span&gt;%&lt;/span&gt;&lt;sup&gt;(1)&lt;/sup&gt;&lt;/td&gt;
&lt;/tr&gt;

&lt;/table&gt;

&lt;table style="width: 100%; border-collapse: collapse; break-inside: avoid-page;"&gt;

&lt;tr style="border-bottom-width: initial; border-bottom-style: none; break-inside: avoid-page; height: 9pt; border-bottom-color: initial;"&gt;
&lt;td style="break-inside: avoid-page; font-kerning: none; font-family: 'TimesNewRomPSPro'; font-style: normal; font-size: 7.5pt; color: #000000; text-align: left; width: 1.8em; vertical-align: top; padding: 0;"&gt;
&lt;div style="font-kerning: none; font-family: 'timesnewrompspro'; color: #000000; font-size: 7.5pt; margin-top: 0px; margin-bottom: 0px;"&gt;&#x200b;&lt;sup style="vertical-align: 3.2pt; line-height: 0px;"&gt;(1)&lt;/sup&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td style="break-inside: avoid-page; font-family: 'TimesNewRomPSPro'; font-style: normal; font-size: 7.5pt; color: #000000; text-align: left; vertical-align: top; padding: 3px 0 0 0;"&gt;
&lt;div style="font-kerning: none; font-family: 'timesnewrompspro'; color: #000000; font-size: 7.5pt; margin-top: 0px; margin-bottom: 0px;"&gt;Annualized.&lt;/div&gt;
&lt;/td&gt;
&lt;/tr&gt;

&lt;/table&gt;
</oef:ExpensesTextBlock>
    <oef:ExpensesPaidAmt
      contextRef="D20241001_20250331_C000092838Member"
      decimals="INF"
      id="h_121_a71063bc_91f4_452c_af94_85e111d9eb39"
      unitRef="USD">34</oef:ExpensesPaidAmt>
    <oef:ExpenseRatioPct
      contextRef="D20241001_20250331_C000092838Member"
      decimals="4"
      id="h_122_a1347ab5_778c_4059_aeff_4d56c141ef74"
      unitRef="pure">0.0070</oef:ExpenseRatioPct>
    <oef:AddlFundStatisticsTextBlock
      contextRef="D20241001_20250331_C000092838Member"
      id="t_11_6957a54d_7f8e_481c_71b2_e78d4dd256b2">
&lt;div style="font-kerning: none; font-family: 'timesnewrompspro'; color: #003c71; font-size: 11.52pt; font-weight: bold; margin-bottom: 3pt; margin-top: 10pt;"&gt;KEY FUND STATISTICS (As of March 31, 2025)&lt;/div&gt;

&lt;table style="width: 100%; border-collapse: collapse; break-inside: avoid-page;"&gt;

&lt;tr style="border-bottom-width: 0.5pt; border-bottom-style: solid; break-inside: avoid-page; height: 20pt; border-bottom-color: #000000;"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; font-kerning: none; color: #000000; font-size: 9pt; font-weight: bold; text-align: left; width: 60%; font-family: 'TimesNewRomPSPro'; font-style: normal; padding: 6pt 10pt 3pt 10pt;"&gt;Fund net assets&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: #000000; font-size: 9pt; padding: 6pt 10pt 3pt 10pt;"&gt;&lt;span style="float: none;"&gt;$&lt;/span&gt;340,030,429&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="border-bottom-width: 0.5pt; border-bottom-style: solid; break-inside: avoid-page; height: 20pt; border-bottom-color: #000000;"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; font-kerning: none; color: #000000; font-size: 9pt; font-weight: bold; text-align: left; width: 60%; font-family: 'TimesNewRomPSPro'; font-style: normal; padding: 6pt 10pt 3pt 10pt;"&gt;Total number of portfolio holdings&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: #000000; font-size: 9pt; padding: 6pt 10pt 3pt 10pt;"&gt;105&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="border-bottom-width: initial; border-bottom-style: none; break-inside: avoid-page; height: 20pt; border-bottom-color: initial;"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; font-kerning: none; color: #000000; font-size: 9pt; font-weight: bold; text-align: left; width: 60%; font-family: 'TimesNewRomPSPro'; font-style: normal; padding: 6pt 10pt 3pt 10pt;"&gt;Portfolio turnover rate&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: #000000; font-size: 9pt; padding: 6pt 10pt 3pt 10pt;"&gt;8&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;

&lt;/table&gt;
</oef:AddlFundStatisticsTextBlock>
    <us-gaap:AssetsNet
      contextRef="TI20250331_C000092838Member"
      decimals="INF"
      id="h_123_809fc40e_3fca_48ad_92ee_61eb3f533ea4"
      unitRef="USD">340030429</us-gaap:AssetsNet>
    <oef:HoldingsCount
      contextRef="TI20250331_C000092838Member"
      decimals="INF"
      id="h_124_826b18a1_da0d_48fe_ba24_5cd23f5cf24d"
      unitRef="Holding">105</oef:HoldingsCount>
    <us-gaap:InvestmentCompanyPortfolioTurnover
      contextRef="D20241001_20250331_C000092838Member"
      decimals="4"
      id="h_125_560b0e64_5d32_444a_8041_33d9c5111de8"
      unitRef="pure">0.08</us-gaap:InvestmentCompanyPortfolioTurnover>
    <oef:HoldingsTableTextBlock
      contextRef="D20241001_20250331_C000092838Member"
      id="t_12_a35e2f8e_cf24_5e34_2983_2863508d5d44">
&lt;div style="margin-top: 0px; font-kerning: none; font-family: 'timesnewrompspro'; color: #003c71; font-size: 11.52pt; font-weight: bold; margin-bottom: 3pt;"&gt;WHAT DID THE FUND INVEST IN? (As of March 31, 2025)&lt;/div&gt;

&lt;div style="margin-top: 0px; font-family: 'timesnewrompspro'; color: #000000; font-size: 9pt; margin-bottom: 10pt; font-kerning: none;"&gt;The tables below show the investment makeup of the Fund, representing the percentage of total investments of the Fund.&lt;/div&gt;


&lt;div style="border-bottom-width: 1pt; border-bottom-style: solid; font-kerning: none; font-family: 'timesnewrompspro'; color: #000000; letter-spacing: 1.25px; text-transform: uppercase; font-size: 9pt; border-bottom-color: #000000; text-align: center; padding-bottom: 5pt; margin-top: 5pt; font-weight: bold; margin-bottom: 0px;"&gt;&lt;b&gt;Top Ten Holdings&lt;/b&gt;&lt;/div&gt;



&lt;table style="width: 100%; border-collapse: collapse; break-inside: avoid-page;"&gt;

&lt;tr style="border-bottom-width: 0.5pt; border-bottom-style: solid; break-inside: avoid-page; height: 20pt; border-bottom-color: #000000;"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; text-align: left; font-family: 'TimesNewRomPSPro'; color: #000000; font-size: 9pt; font-kerning: none; padding: 6pt 3pt 3pt 3pt;"&gt;Xiaomi Corp., Class B&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: #000000; font-size: 9pt; font-kerning: none; padding: 6pt 3pt 3pt 3pt;"&gt;2.0&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="border-bottom-width: 0.5pt; border-bottom-style: solid; break-inside: avoid-page; height: 20pt; border-bottom-color: #000000;"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; text-align: left; font-family: 'TimesNewRomPSPro'; color: #000000; font-size: 9pt; font-kerning: none; padding: 6pt 3pt 3pt 3pt;"&gt;ZTE Corp., Class H&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: #000000; font-size: 9pt; font-kerning: none; padding: 6pt 3pt 3pt 3pt;"&gt;1.6&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="border-bottom-width: 0.5pt; border-bottom-style: solid; break-inside: avoid-page; height: 20pt; border-bottom-color: #000000;"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; text-align: left; font-family: 'TimesNewRomPSPro'; color: #000000; font-size: 9pt; font-kerning: none; padding: 6pt 3pt 3pt 3pt;"&gt;NEC Corp.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: #000000; font-size: 9pt; font-kerning: none; padding: 6pt 3pt 3pt 3pt;"&gt;1.6&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="border-bottom-width: 0.5pt; border-bottom-style: solid; break-inside: avoid-page; height: 20pt; border-bottom-color: #000000;"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; text-align: left; font-family: 'TimesNewRomPSPro'; color: #000000; font-size: 9pt; font-kerning: none; padding: 6pt 3pt 3pt 3pt;"&gt;Nokia Oyj, ADR&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: #000000; font-size: 9pt; font-kerning: none; padding: 6pt 3pt 3pt 3pt;"&gt;1.5&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="border-bottom-width: 0.5pt; border-bottom-style: solid; break-inside: avoid-page; height: 20pt; border-bottom-color: #000000;"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; text-align: left; font-family: 'TimesNewRomPSPro'; color: #000000; font-size: 9pt; font-kerning: none; padding: 6pt 3pt 3pt 3pt;"&gt;BT Group PLC&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: #000000; font-size: 9pt; font-kerning: none; padding: 6pt 3pt 3pt 3pt;"&gt;1.4&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="border-bottom-width: 0.5pt; border-bottom-style: solid; break-inside: avoid-page; height: 20pt; border-bottom-color: #000000;"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; text-align: left; font-family: 'TimesNewRomPSPro'; color: #000000; font-size: 9pt; font-kerning: none; padding: 6pt 3pt 3pt 3pt;"&gt;Elisa Oyj&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: #000000; font-size: 9pt; font-kerning: none; padding: 6pt 3pt 3pt 3pt;"&gt;1.4&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="border-bottom-width: 0.5pt; border-bottom-style: solid; break-inside: avoid-page; height: 20pt; border-bottom-color: #000000;"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; text-align: left; font-family: 'TimesNewRomPSPro'; color: #000000; font-size: 9pt; font-kerning: none; padding: 6pt 3pt 3pt 3pt;"&gt;Sony Group Corp.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: #000000; font-size: 9pt; font-kerning: none; padding: 6pt 3pt 3pt 3pt;"&gt;1.4&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="border-bottom-width: 0.5pt; border-bottom-style: solid; break-inside: avoid-page; height: 20pt; border-bottom-color: #000000;"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; text-align: left; font-family: 'TimesNewRomPSPro'; color: #000000; font-size: 9pt; font-kerning: none; padding: 6pt 3pt 3pt 3pt;"&gt;Lenovo Group Ltd.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: #000000; font-size: 9pt; font-kerning: none; padding: 6pt 3pt 3pt 3pt;"&gt;1.4&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="border-bottom-width: 0.5pt; border-bottom-style: solid; break-inside: avoid-page; height: 20pt; border-bottom-color: #000000;"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; text-align: left; font-family: 'TimesNewRomPSPro'; color: #000000; font-size: 9pt; font-kerning: none; padding: 6pt 3pt 3pt 3pt;"&gt;American Tower Corp.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: #000000; font-size: 9pt; font-kerning: none; padding: 6pt 3pt 3pt 3pt;"&gt;1.4&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="border-bottom-width: initial; border-bottom-style: none; break-inside: avoid-page; height: 20pt; border-bottom-color: initial;"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; text-align: left; font-family: 'TimesNewRomPSPro'; color: #000000; font-size: 9pt; font-kerning: none; padding: 6pt 3pt 3pt 3pt;"&gt;Kyocera Corp.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: #000000; font-size: 9pt; font-kerning: none; padding: 6pt 3pt 3pt 3pt;"&gt;1.4&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;

&lt;/table&gt;


&lt;div style="border-bottom-width: 1pt; border-bottom-style: solid; font-kerning: none; font-family: 'timesnewrompspro'; color: #000000; letter-spacing: 1.25px; text-transform: uppercase; font-size: 9pt; border-bottom-color: #000000; text-align: center; padding-bottom: 5pt; margin-bottom: 5pt; font-weight: bold; margin-top: 3pt;"&gt;&lt;b&gt;Sector Allocation&lt;/b&gt;&lt;/div&gt;

&lt;div style="padding-left: 10pt; padding-right: 0px;"&gt;&lt;img alt="Graphical Representation - Allocation 2 Chart" src="chartimages_9833204.jpg" style="width: 172.8pt;"/&gt; &lt;/div&gt;
</oef:HoldingsTableTextBlock>
    <oef:LargestHoldingsTableTextBlock
      contextRef="D20241001_20250331_C000092838Member"
      id="t_13_b4a039ce_3bb7_9e3f_35e0_d89bd2197e50">
&lt;div style="border-bottom-width: 1pt; border-bottom-style: solid; font-kerning: none; font-family: 'timesnewrompspro'; color: #000000; letter-spacing: 1.25px; text-transform: uppercase; font-size: 9pt; border-bottom-color: #000000; text-align: center; padding-bottom: 5pt; margin-top: 5pt; font-weight: bold; margin-bottom: 0px;"&gt;&lt;b&gt;Top Ten Holdings&lt;/b&gt;&lt;/div&gt;

&lt;table style="width: 100%; border-collapse: collapse; break-inside: avoid-page;"&gt;

&lt;tr style="border-bottom-width: 0.5pt; border-bottom-style: solid; break-inside: avoid-page; height: 20pt; border-bottom-color: #000000;"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; text-align: left; font-family: 'TimesNewRomPSPro'; color: #000000; font-size: 9pt; font-kerning: none; padding: 6pt 3pt 3pt 3pt;"&gt;Xiaomi Corp., Class B&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: #000000; font-size: 9pt; font-kerning: none; padding: 6pt 3pt 3pt 3pt;"&gt;2.0&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="border-bottom-width: 0.5pt; border-bottom-style: solid; break-inside: avoid-page; height: 20pt; border-bottom-color: #000000;"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; text-align: left; font-family: 'TimesNewRomPSPro'; color: #000000; font-size: 9pt; font-kerning: none; padding: 6pt 3pt 3pt 3pt;"&gt;ZTE Corp., Class H&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: #000000; font-size: 9pt; font-kerning: none; padding: 6pt 3pt 3pt 3pt;"&gt;1.6&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="border-bottom-width: 0.5pt; border-bottom-style: solid; break-inside: avoid-page; height: 20pt; border-bottom-color: #000000;"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; text-align: left; font-family: 'TimesNewRomPSPro'; color: #000000; font-size: 9pt; font-kerning: none; padding: 6pt 3pt 3pt 3pt;"&gt;NEC Corp.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: #000000; font-size: 9pt; font-kerning: none; padding: 6pt 3pt 3pt 3pt;"&gt;1.6&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="border-bottom-width: 0.5pt; border-bottom-style: solid; break-inside: avoid-page; height: 20pt; border-bottom-color: #000000;"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; text-align: left; font-family: 'TimesNewRomPSPro'; color: #000000; font-size: 9pt; font-kerning: none; padding: 6pt 3pt 3pt 3pt;"&gt;Nokia Oyj, ADR&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: #000000; font-size: 9pt; font-kerning: none; padding: 6pt 3pt 3pt 3pt;"&gt;1.5&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="border-bottom-width: 0.5pt; border-bottom-style: solid; break-inside: avoid-page; height: 20pt; border-bottom-color: #000000;"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; text-align: left; font-family: 'TimesNewRomPSPro'; color: #000000; font-size: 9pt; font-kerning: none; padding: 6pt 3pt 3pt 3pt;"&gt;BT Group PLC&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: #000000; font-size: 9pt; font-kerning: none; padding: 6pt 3pt 3pt 3pt;"&gt;1.4&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="border-bottom-width: 0.5pt; border-bottom-style: solid; break-inside: avoid-page; height: 20pt; border-bottom-color: #000000;"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; text-align: left; font-family: 'TimesNewRomPSPro'; color: #000000; font-size: 9pt; font-kerning: none; padding: 6pt 3pt 3pt 3pt;"&gt;Elisa Oyj&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: #000000; font-size: 9pt; font-kerning: none; padding: 6pt 3pt 3pt 3pt;"&gt;1.4&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="border-bottom-width: 0.5pt; border-bottom-style: solid; break-inside: avoid-page; height: 20pt; border-bottom-color: #000000;"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; text-align: left; font-family: 'TimesNewRomPSPro'; color: #000000; font-size: 9pt; font-kerning: none; padding: 6pt 3pt 3pt 3pt;"&gt;Sony Group Corp.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: #000000; font-size: 9pt; font-kerning: none; padding: 6pt 3pt 3pt 3pt;"&gt;1.4&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="border-bottom-width: 0.5pt; border-bottom-style: solid; break-inside: avoid-page; height: 20pt; border-bottom-color: #000000;"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; text-align: left; font-family: 'TimesNewRomPSPro'; color: #000000; font-size: 9pt; font-kerning: none; padding: 6pt 3pt 3pt 3pt;"&gt;Lenovo Group Ltd.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: #000000; font-size: 9pt; font-kerning: none; padding: 6pt 3pt 3pt 3pt;"&gt;1.4&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="border-bottom-width: 0.5pt; border-bottom-style: solid; break-inside: avoid-page; height: 20pt; border-bottom-color: #000000;"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; text-align: left; font-family: 'TimesNewRomPSPro'; color: #000000; font-size: 9pt; font-kerning: none; padding: 6pt 3pt 3pt 3pt;"&gt;American Tower Corp.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: #000000; font-size: 9pt; font-kerning: none; padding: 6pt 3pt 3pt 3pt;"&gt;1.4&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="border-bottom-width: initial; border-bottom-style: none; break-inside: avoid-page; height: 20pt; border-bottom-color: initial;"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; text-align: left; font-family: 'TimesNewRomPSPro'; color: #000000; font-size: 9pt; font-kerning: none; padding: 6pt 3pt 3pt 3pt;"&gt;Kyocera Corp.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: #000000; font-size: 9pt; font-kerning: none; padding: 6pt 3pt 3pt 3pt;"&gt;1.4&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;

&lt;/table&gt;
</oef:LargestHoldingsTableTextBlock>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000092838Member_XiaomiCorpClassBMember"
      decimals="4"
      id="h_126_cac80c38_4d37_4873_895f_532a5e09ce4b"
      unitRef="pure">0.020</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000092838Member_ZTECorpClassHMember"
      decimals="4"
      id="h_127_770136c3_b67c_42b2_a2c6_c5a08173b398"
      unitRef="pure">0.016</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000092838Member_NECCorpMember"
      decimals="4"
      id="h_128_b1752223_434c_4744_8c57_bee9396a71c8"
      unitRef="pure">0.016</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000092838Member_NokiaOyjADRMember"
      decimals="4"
      id="h_129_b545c742_059e_4917_8c1e_f04b60fc6f9d"
      unitRef="pure">0.015</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000092838Member_BTGroupPLCMember"
      decimals="4"
      id="h_130_8d7d3a90_e770_4df3_9b10_12977a53ec72"
      unitRef="pure">0.014</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000092838Member_ElisaOyjMember"
      decimals="4"
      id="h_131_12afaccd_147f_432f_bc80_0a71a52eec9d"
      unitRef="pure">0.014</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000092838Member_SonyGroupCorpMember"
      decimals="4"
      id="h_132_6f8f5ddd_35d4_498b_9150_5c9d866ed682"
      unitRef="pure">0.014</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000092838Member_LenovoGroupLtdMember"
      decimals="4"
      id="h_133_210c58ff_d4a1_4397_9bca_f3bd384822ef"
      unitRef="pure">0.014</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000092838Member_AmericanTowerCorpMember"
      decimals="4"
      id="h_134_bf60774f_1d73_4c9f_89a3_e71a9b4905c0"
      unitRef="pure">0.014</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000092838Member_KyoceraCorpMember"
      decimals="4"
      id="h_135_7d6bc979_1a66_4b35_9d07_e57d6f1b98a1"
      unitRef="pure">0.014</oef:PctOfTotalInv>
    <oef:ClassName
      contextRef="D20241001_20250331_C000101722Member"
      id="t_1_1d253817_13a6_6612_4bcc_ad6138b5fa96">First Trust S-NetworkFuture Vehicles &amp; Technology ETF</oef:ClassName>
    <oef:FundName
      contextRef="D20241001_20250331_C000101722Member"
      id="t_2_001df1fd_b7c0_2297_7133_e077340b0ec1">First Trust S-NetworkFuture Vehicles &amp; Technology ETF</oef:FundName>
    <dei:TradingSymbol
      contextRef="D20241001_20250331_C000101722Member"
      id="t_13_a7d52e1b_5dc9_5059_d6d2_93243f4f4a19">CARZ</dei:TradingSymbol>
    <oef:AnnlOrSemiAnnlStatementTextBlock
      contextRef="D20241001_20250331_C000101722Member"
      id="t_3_93942305_37ad_d17e_0172_eb9a77f2537d">This semi-annual shareholder report contains important information about the First Trust S-Network Future Vehicles &amp;amp; Technology ETF (the &#x201c;Fund&#x201d;) for the period of October 1, 2024 to March 31, 2025.</oef:AnnlOrSemiAnnlStatementTextBlock>
    <oef:ShareholderReportAnnualOrSemiAnnual
      contextRef="D20241001_20250331_C000101722Member"
      id="t_4_2828fe1b_ee5c_7b9e_6cf9_20f831c37a45">semi-annual shareholder report</oef:ShareholderReportAnnualOrSemiAnnual>
    <oef:AddlInfoTextBlock
      contextRef="D20241001_20250331_C000101722Member"
      id="t_5_11b3ce26_bda6_19da_81b6_ee2e5209a9ef">You can find additional information about the Fund at &lt;span style="white-space: nowrap; color: #003c71; text-decoration-line: underline;"&gt;www.ftportfolios.com/fund-documents/etf/CARZ&lt;/span&gt;. You can also request this information by contacting us at 1-800-621-1675 or &lt;span style="text-decoration-line: underline; color: #003c71; font-family: 'timesnewrompspro'; font-size: 9pt;"&gt;info@ftportfolios.com&lt;/span&gt;.</oef:AddlInfoTextBlock>
    <oef:AddlInfoWebsite
      contextRef="D20241001_20250331_C000101722Member"
      id="t_6_148ccb63_4454_c443_3e91_1145a2f4faf6">www.ftportfolios.com/fund-documents/etf/CARZ</oef:AddlInfoWebsite>
    <oef:AddlInfoPhoneNumber
      contextRef="D20241001_20250331_C000101722Member"
      id="t_7_7323cbcc_a23f_dda7_c0ea_49de40664c56">1-800-621-1675</oef:AddlInfoPhoneNumber>
    <oef:AddlInfoEmail
      contextRef="D20241001_20250331_C000101722Member"
      id="t_8_5bb56e39_0443_b48b_d9c8_4014cd601d25">info@ftportfolios.com</oef:AddlInfoEmail>
    <oef:ExpensesTextBlock
      contextRef="D20241001_20250331_C000101722Member"
      id="t_9_ddbd3fbd_b03c_4b06_e34e_a362593be8e5">
&lt;div style="margin-top: 0px; font-kerning: none; font-family: 'timesnewrompspro'; color: #003c71; font-size: 11.52pt; font-weight: bold; margin-bottom: 3pt;"&gt;WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS?&lt;/div&gt;

&lt;div style="margin-top: 0px; margin-bottom: 0px; font-kerning: none; font-family: 'timesnewrompspro'; color: #000000; font-size: 9pt;"&gt;(Based on a hypothetical $10,000 investment)&lt;/div&gt;

&lt;table style="width: 100%; border-collapse: collapse; break-inside: avoid-page;"&gt;

&lt;tr style="break-after: avoid; border-bottom-style: solid; border-bottom-width: 1pt; break-inside: avoid-page; height: 20pt; border-bottom-color: #000000;"&gt;
&lt;td style="break-inside: avoid-page; font-family: 'TimesNewRomPSPro'; color: #000000; font-weight: bold; text-align: left; font-size: 9pt; font-kerning: none; vertical-align: bottom; padding: 6pt 3pt 3pt 3pt;"&gt;Fund&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; font-family: 'TimesNewRomPSPro'; color: #000000; font-size: 9pt; font-weight: bold; vertical-align: bottom; padding: 6pt 3pt 3pt 3pt;"&gt;Costs of a $10,000 investment&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; font-family: 'TimesNewRomPSPro'; color: #000000; font-size: 9pt; font-weight: bold; vertical-align: bottom; padding: 6pt 3pt 3pt 3pt;"&gt;Costs paid as a percentage&lt;br/&gt;of a $10,000 investment&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="border-bottom-width: initial; border-bottom-style: none; break-inside: avoid-page; height: 20pt; border-bottom-color: initial;"&gt;
&lt;td style="break-inside: avoid-page; text-align: left; font-kerning: none; font-family: 'TimesNewRomPSPro'; color: #000000; font-size: 9pt; vertical-align: bottom; padding: 6pt 3pt 3pt 3pt;"&gt;First Trust S-Network Future Vehicles &amp;amp; Technology ETF&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; font-family: 'TimesNewRomPSPro'; color: #000000; font-size: 9pt; vertical-align: bottom; padding: 6pt 3pt 3pt 3pt;"&gt;&lt;span style="float: none;"&gt;$&lt;/span&gt;34&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: #000000; font-size: 9pt; vertical-align: bottom; padding: 6pt 3pt 3pt 3pt;"&gt;0.70&lt;span&gt;%&lt;/span&gt;&lt;sup&gt;(1)&lt;/sup&gt;&lt;/td&gt;
&lt;/tr&gt;

&lt;/table&gt;

&lt;table style="width: 100%; border-collapse: collapse; break-inside: avoid-page;"&gt;

&lt;tr style="border-bottom-width: initial; border-bottom-style: none; break-inside: avoid-page; height: 9pt; border-bottom-color: initial;"&gt;
&lt;td style="break-inside: avoid-page; font-kerning: none; font-family: 'TimesNewRomPSPro'; font-style: normal; font-size: 7.5pt; color: #000000; text-align: left; width: 1.8em; vertical-align: top; padding: 0;"&gt;
&lt;div style="font-kerning: none; font-family: 'timesnewrompspro'; color: #000000; font-size: 7.5pt; margin-top: 0px; margin-bottom: 0px;"&gt;&#x200b;&lt;sup style="vertical-align: 3.2pt; line-height: 0px;"&gt;(1)&lt;/sup&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td style="break-inside: avoid-page; font-family: 'TimesNewRomPSPro'; font-style: normal; font-size: 7.5pt; color: #000000; text-align: left; vertical-align: top; padding: 3px 0 0 0;"&gt;
&lt;div style="font-kerning: none; font-family: 'timesnewrompspro'; color: #000000; font-size: 7.5pt; margin-top: 0px; margin-bottom: 0px;"&gt;Annualized.&lt;/div&gt;
&lt;/td&gt;
&lt;/tr&gt;

&lt;/table&gt;
</oef:ExpensesTextBlock>
    <oef:ExpensesPaidAmt
      contextRef="D20241001_20250331_C000101722Member"
      decimals="INF"
      id="h_136_e1198245_a463_4608_ac0a_8f8f129da43a"
      unitRef="USD">34</oef:ExpensesPaidAmt>
    <oef:ExpenseRatioPct
      contextRef="D20241001_20250331_C000101722Member"
      decimals="4"
      id="h_137_90e70595_7d43_43dd_929a_b46b08548df8"
      unitRef="pure">0.0070</oef:ExpenseRatioPct>
    <oef:AddlFundStatisticsTextBlock
      contextRef="D20241001_20250331_C000101722Member"
      id="t_10_4810a0a9_2995_5b29_27cd_0d4c38bd9070">
&lt;div style="font-kerning: none; font-family: 'timesnewrompspro'; color: #003c71; font-size: 11.52pt; font-weight: bold; margin-bottom: 3pt; margin-top: 10pt;"&gt;KEY FUND STATISTICS (As of March 31, 2025)&lt;/div&gt;

&lt;table style="width: 100%; border-collapse: collapse; break-inside: avoid-page;"&gt;

&lt;tr style="border-bottom-width: 0.5pt; border-bottom-style: solid; break-inside: avoid-page; height: 20pt; border-bottom-color: #000000;"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; font-kerning: none; color: #000000; font-size: 9pt; font-weight: bold; text-align: left; width: 60%; font-family: 'TimesNewRomPSPro'; font-style: normal; padding: 6pt 10pt 3pt 10pt;"&gt;Fund net assets&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: #000000; font-size: 9pt; padding: 6pt 10pt 3pt 10pt;"&gt;&lt;span style="float: none;"&gt;$&lt;/span&gt;29,614,539&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="border-bottom-width: 0.5pt; border-bottom-style: solid; break-inside: avoid-page; height: 20pt; border-bottom-color: #000000;"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; font-kerning: none; color: #000000; font-size: 9pt; font-weight: bold; text-align: left; width: 60%; font-family: 'TimesNewRomPSPro'; font-style: normal; padding: 6pt 10pt 3pt 10pt;"&gt;Total number of portfolio holdings&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: #000000; font-size: 9pt; padding: 6pt 10pt 3pt 10pt;"&gt;102&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="border-bottom-width: initial; border-bottom-style: none; break-inside: avoid-page; height: 20pt; border-bottom-color: initial;"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; font-kerning: none; color: #000000; font-size: 9pt; font-weight: bold; text-align: left; width: 60%; font-family: 'TimesNewRomPSPro'; font-style: normal; padding: 6pt 10pt 3pt 10pt;"&gt;Portfolio turnover rate&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: #000000; font-size: 9pt; padding: 6pt 10pt 3pt 10pt;"&gt;27&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;

&lt;/table&gt;
</oef:AddlFundStatisticsTextBlock>
    <us-gaap:AssetsNet
      contextRef="TI20250331_C000101722Member"
      decimals="INF"
      id="h_138_bb1c54dc_c3f7_498f_b966_b7ced1b78bfa"
      unitRef="USD">29614539</us-gaap:AssetsNet>
    <oef:HoldingsCount
      contextRef="TI20250331_C000101722Member"
      decimals="INF"
      id="h_139_276ba61f_c138_42f8_a1ee_451fe4ed1c95"
      unitRef="Holding">102</oef:HoldingsCount>
    <us-gaap:InvestmentCompanyPortfolioTurnover
      contextRef="D20241001_20250331_C000101722Member"
      decimals="4"
      id="h_140_99c83da4_3b56_4f82_9e57_d3cfc15f1fb8"
      unitRef="pure">0.27</us-gaap:InvestmentCompanyPortfolioTurnover>
    <oef:HoldingsTableTextBlock
      contextRef="D20241001_20250331_C000101722Member"
      id="t_11_a15aabdc_a78c_7161_81a9_655cc51bb93d">
&lt;div style="margin-top: 0px; font-kerning: none; font-family: 'timesnewrompspro'; color: #003c71; font-size: 11.52pt; font-weight: bold; margin-bottom: 3pt;"&gt;WHAT DID THE FUND INVEST IN? (As of March 31, 2025)&lt;/div&gt;

&lt;div style="margin-top: 0px; font-family: 'timesnewrompspro'; color: #000000; font-size: 9pt; margin-bottom: 10pt; font-kerning: none;"&gt;The tables below show the investment makeup of the Fund, representing the percentage of total investments of the Fund.&lt;/div&gt;


&lt;div style="border-bottom-width: 1pt; border-bottom-style: solid; font-kerning: none; font-family: 'timesnewrompspro'; color: #000000; letter-spacing: 1.25px; text-transform: uppercase; font-size: 9pt; border-bottom-color: #000000; text-align: center; padding-bottom: 5pt; margin-top: 5pt; font-weight: bold; margin-bottom: 0px;"&gt;&lt;b&gt;Top Ten Holdings&lt;/b&gt;&lt;/div&gt;



&lt;table style="width: 100%; border-collapse: collapse; break-inside: avoid-page;"&gt;

&lt;tr style="border-bottom-width: 0.5pt; border-bottom-style: solid; break-inside: avoid-page; height: 20pt; border-bottom-color: #000000;"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; text-align: left; font-family: 'TimesNewRomPSPro'; color: #000000; font-size: 9pt; font-kerning: none; padding: 6pt 3pt 3pt 3pt;"&gt;Samsung Electronics Co., Ltd.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: #000000; font-size: 9pt; font-kerning: none; padding: 6pt 3pt 3pt 3pt;"&gt;5.0&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="border-bottom-width: 0.5pt; border-bottom-style: solid; break-inside: avoid-page; height: 20pt; border-bottom-color: #000000;"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; text-align: left; font-family: 'TimesNewRomPSPro'; color: #000000; font-size: 9pt; font-kerning: none; padding: 6pt 3pt 3pt 3pt;"&gt;QUALCOMM, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: #000000; font-size: 9pt; font-kerning: none; padding: 6pt 3pt 3pt 3pt;"&gt;4.6&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="border-bottom-width: 0.5pt; border-bottom-style: solid; break-inside: avoid-page; height: 20pt; border-bottom-color: #000000;"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; text-align: left; font-family: 'TimesNewRomPSPro'; color: #000000; font-size: 9pt; font-kerning: none; padding: 6pt 3pt 3pt 3pt;"&gt;Texas Instruments, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: #000000; font-size: 9pt; font-kerning: none; padding: 6pt 3pt 3pt 3pt;"&gt;4.5&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="border-bottom-width: 0.5pt; border-bottom-style: solid; break-inside: avoid-page; height: 20pt; border-bottom-color: #000000;"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; text-align: left; font-family: 'TimesNewRomPSPro'; color: #000000; font-size: 9pt; font-kerning: none; padding: 6pt 3pt 3pt 3pt;"&gt;Toyota Motor Corp.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: #000000; font-size: 9pt; font-kerning: none; padding: 6pt 3pt 3pt 3pt;"&gt;4.5&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="border-bottom-width: 0.5pt; border-bottom-style: solid; break-inside: avoid-page; height: 20pt; border-bottom-color: #000000;"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; text-align: left; font-family: 'TimesNewRomPSPro'; color: #000000; font-size: 9pt; font-kerning: none; padding: 6pt 3pt 3pt 3pt;"&gt;Apple, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: #000000; font-size: 9pt; font-kerning: none; padding: 6pt 3pt 3pt 3pt;"&gt;4.4&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="border-bottom-width: 0.5pt; border-bottom-style: solid; break-inside: avoid-page; height: 20pt; border-bottom-color: #000000;"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; text-align: left; font-family: 'TimesNewRomPSPro'; color: #000000; font-size: 9pt; font-kerning: none; padding: 6pt 3pt 3pt 3pt;"&gt;Microsoft Corp.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: #000000; font-size: 9pt; font-kerning: none; padding: 6pt 3pt 3pt 3pt;"&gt;4.2&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="border-bottom-width: 0.5pt; border-bottom-style: solid; break-inside: avoid-page; height: 20pt; border-bottom-color: #000000;"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; text-align: left; font-family: 'TimesNewRomPSPro'; color: #000000; font-size: 9pt; font-kerning: none; padding: 6pt 3pt 3pt 3pt;"&gt;Advanced Micro Devices, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: #000000; font-size: 9pt; font-kerning: none; padding: 6pt 3pt 3pt 3pt;"&gt;4.0&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="border-bottom-width: 0.5pt; border-bottom-style: solid; break-inside: avoid-page; height: 20pt; border-bottom-color: #000000;"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; text-align: left; font-family: 'TimesNewRomPSPro'; color: #000000; font-size: 9pt; font-kerning: none; padding: 6pt 3pt 3pt 3pt;"&gt;Taiwan Semiconductor Manufacturing Co., Ltd., ADR&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: #000000; font-size: 9pt; font-kerning: none; padding: 6pt 3pt 3pt 3pt;"&gt;3.8&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="border-bottom-width: 0.5pt; border-bottom-style: solid; break-inside: avoid-page; height: 20pt; border-bottom-color: #000000;"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; text-align: left; font-family: 'TimesNewRomPSPro'; color: #000000; font-size: 9pt; font-kerning: none; padding: 6pt 3pt 3pt 3pt;"&gt;Alphabet, Inc., Class A&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: #000000; font-size: 9pt; font-kerning: none; padding: 6pt 3pt 3pt 3pt;"&gt;3.8&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="border-bottom-width: initial; border-bottom-style: none; break-inside: avoid-page; height: 20pt; border-bottom-color: initial;"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; text-align: left; font-family: 'TimesNewRomPSPro'; color: #000000; font-size: 9pt; font-kerning: none; padding: 6pt 3pt 3pt 3pt;"&gt;NVIDIA Corp.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: #000000; font-size: 9pt; font-kerning: none; padding: 6pt 3pt 3pt 3pt;"&gt;3.7&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;

&lt;/table&gt;


&lt;div style="border-bottom-width: 1pt; border-bottom-style: solid; font-kerning: none; font-family: 'timesnewrompspro'; color: #000000; letter-spacing: 1.25px; text-transform: uppercase; font-size: 9pt; border-bottom-color: #000000; text-align: center; padding-bottom: 5pt; margin-bottom: 5pt; font-weight: bold; margin-top: 3pt;"&gt;&lt;b&gt;Sector Allocation&lt;/b&gt;&lt;/div&gt;

&lt;div style="padding-left: 10pt; padding-right: 0px;"&gt;&lt;img alt="Graphical Representation - Allocation 2 Chart" src="chartimages_9833246.jpg" style="width: 172.8pt;"/&gt; &lt;/div&gt;
</oef:HoldingsTableTextBlock>
    <oef:LargestHoldingsTableTextBlock
      contextRef="D20241001_20250331_C000101722Member"
      id="t_12_cea34ded_1176_fd1d_709e_bb4d2947eee1">
&lt;div style="border-bottom-width: 1pt; border-bottom-style: solid; font-kerning: none; font-family: 'timesnewrompspro'; color: #000000; letter-spacing: 1.25px; text-transform: uppercase; font-size: 9pt; border-bottom-color: #000000; text-align: center; padding-bottom: 5pt; margin-top: 5pt; font-weight: bold; margin-bottom: 0px;"&gt;&lt;b&gt;Top Ten Holdings&lt;/b&gt;&lt;/div&gt;

&lt;table style="width: 100%; border-collapse: collapse; break-inside: avoid-page;"&gt;

&lt;tr style="border-bottom-width: 0.5pt; border-bottom-style: solid; break-inside: avoid-page; height: 20pt; border-bottom-color: #000000;"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; text-align: left; font-family: 'TimesNewRomPSPro'; color: #000000; font-size: 9pt; font-kerning: none; padding: 6pt 3pt 3pt 3pt;"&gt;Samsung Electronics Co., Ltd.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: #000000; font-size: 9pt; font-kerning: none; padding: 6pt 3pt 3pt 3pt;"&gt;5.0&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="border-bottom-width: 0.5pt; border-bottom-style: solid; break-inside: avoid-page; height: 20pt; border-bottom-color: #000000;"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; text-align: left; font-family: 'TimesNewRomPSPro'; color: #000000; font-size: 9pt; font-kerning: none; padding: 6pt 3pt 3pt 3pt;"&gt;QUALCOMM, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: #000000; font-size: 9pt; font-kerning: none; padding: 6pt 3pt 3pt 3pt;"&gt;4.6&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="border-bottom-width: 0.5pt; border-bottom-style: solid; break-inside: avoid-page; height: 20pt; border-bottom-color: #000000;"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; text-align: left; font-family: 'TimesNewRomPSPro'; color: #000000; font-size: 9pt; font-kerning: none; padding: 6pt 3pt 3pt 3pt;"&gt;Texas Instruments, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: #000000; font-size: 9pt; font-kerning: none; padding: 6pt 3pt 3pt 3pt;"&gt;4.5&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="border-bottom-width: 0.5pt; border-bottom-style: solid; break-inside: avoid-page; height: 20pt; border-bottom-color: #000000;"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; text-align: left; font-family: 'TimesNewRomPSPro'; color: #000000; font-size: 9pt; font-kerning: none; padding: 6pt 3pt 3pt 3pt;"&gt;Toyota Motor Corp.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: #000000; font-size: 9pt; font-kerning: none; padding: 6pt 3pt 3pt 3pt;"&gt;4.5&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="border-bottom-width: 0.5pt; border-bottom-style: solid; break-inside: avoid-page; height: 20pt; border-bottom-color: #000000;"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; text-align: left; font-family: 'TimesNewRomPSPro'; color: #000000; font-size: 9pt; font-kerning: none; padding: 6pt 3pt 3pt 3pt;"&gt;Apple, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: #000000; font-size: 9pt; font-kerning: none; padding: 6pt 3pt 3pt 3pt;"&gt;4.4&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="border-bottom-width: 0.5pt; border-bottom-style: solid; break-inside: avoid-page; height: 20pt; border-bottom-color: #000000;"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; text-align: left; font-family: 'TimesNewRomPSPro'; color: #000000; font-size: 9pt; font-kerning: none; padding: 6pt 3pt 3pt 3pt;"&gt;Microsoft Corp.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: #000000; font-size: 9pt; font-kerning: none; padding: 6pt 3pt 3pt 3pt;"&gt;4.2&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="border-bottom-width: 0.5pt; border-bottom-style: solid; break-inside: avoid-page; height: 20pt; border-bottom-color: #000000;"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; text-align: left; font-family: 'TimesNewRomPSPro'; color: #000000; font-size: 9pt; font-kerning: none; padding: 6pt 3pt 3pt 3pt;"&gt;Advanced Micro Devices, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: #000000; font-size: 9pt; font-kerning: none; padding: 6pt 3pt 3pt 3pt;"&gt;4.0&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="border-bottom-width: 0.5pt; border-bottom-style: solid; break-inside: avoid-page; height: 20pt; border-bottom-color: #000000;"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; text-align: left; font-family: 'TimesNewRomPSPro'; color: #000000; font-size: 9pt; font-kerning: none; padding: 6pt 3pt 3pt 3pt;"&gt;Taiwan Semiconductor Manufacturing Co., Ltd., ADR&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: #000000; font-size: 9pt; font-kerning: none; padding: 6pt 3pt 3pt 3pt;"&gt;3.8&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="border-bottom-width: 0.5pt; border-bottom-style: solid; break-inside: avoid-page; height: 20pt; border-bottom-color: #000000;"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; text-align: left; font-family: 'TimesNewRomPSPro'; color: #000000; font-size: 9pt; font-kerning: none; padding: 6pt 3pt 3pt 3pt;"&gt;Alphabet, Inc., Class A&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: #000000; font-size: 9pt; font-kerning: none; padding: 6pt 3pt 3pt 3pt;"&gt;3.8&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="border-bottom-width: initial; border-bottom-style: none; break-inside: avoid-page; height: 20pt; border-bottom-color: initial;"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; text-align: left; font-family: 'TimesNewRomPSPro'; color: #000000; font-size: 9pt; font-kerning: none; padding: 6pt 3pt 3pt 3pt;"&gt;NVIDIA Corp.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: #000000; font-size: 9pt; font-kerning: none; padding: 6pt 3pt 3pt 3pt;"&gt;3.7&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;

&lt;/table&gt;
</oef:LargestHoldingsTableTextBlock>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000101722Member_SamsungElectronicsCoLtdMember"
      decimals="4"
      id="h_141_9a2e5656_bb8c_4ae4_9a4a_eb07e0fe4aef"
      unitRef="pure">0.050</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000101722Member_QUALCOMMIncMember"
      decimals="4"
      id="h_142_ec290357_0f3f_4f55_a85e_bbb01f144678"
      unitRef="pure">0.046</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000101722Member_TexasInstrumentsIncMember"
      decimals="4"
      id="h_143_5cfac489_edc8_4098_99dc_e6a23c0469cc"
      unitRef="pure">0.045</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000101722Member_ToyotaMotorCorpMember"
      decimals="4"
      id="h_144_f16494fd_67f2_4de6_897a_eb43dbdccd26"
      unitRef="pure">0.045</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000101722Member_AppleIncMember"
      decimals="4"
      id="h_145_b572b598_65f3_4f74_b482_b1a69fd137f3"
      unitRef="pure">0.044</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000101722Member_MicrosoftCorpMember"
      decimals="4"
      id="h_146_857476a1_22f0_4b76_a387_61cb226d36b4"
      unitRef="pure">0.042</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000101722Member_AdvancedMicroDevicesIncMember"
      decimals="4"
      id="h_147_072a755e_c0b1_444c_bcbc_bb8a96d97785"
      unitRef="pure">0.040</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000101722Member_TaiwanSemiconductorManufacturingCoLtdADRMember"
      decimals="4"
      id="h_148_ab015dcc_d05f_4fcd_8ffb_b85a5eabbc80"
      unitRef="pure">0.038</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000101722Member_AlphabetIncClassAMember"
      decimals="4"
      id="h_149_dc0b9e9e_2d38_411e_b7a2_d54f160b9186"
      unitRef="pure">0.038</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000101722Member_NVIDIACorpMember"
      decimals="4"
      id="h_150_fde9cc5d_7642_49c1_85cc_71374a752ebc"
      unitRef="pure">0.037</oef:PctOfTotalInv>
    <oef:ClassName
      contextRef="D20241001_20250331_C000102221Member"
      id="t_1_2acefa61_d9b1_b0d7_30c1_5bcada234379">First Trust Cloud Computing ETF</oef:ClassName>
    <oef:FundName
      contextRef="D20241001_20250331_C000102221Member"
      id="t_2_b6e6abce_b5d1_7491_856a_412593f3526f">First Trust Cloud Computing ETF</oef:FundName>
    <dei:TradingSymbol
      contextRef="D20241001_20250331_C000102221Member"
      id="t_3_3c554f1a_d03d_5f9c_8e80_1ca41f2c979e">SKYY</dei:TradingSymbol>
    <oef:AnnlOrSemiAnnlStatementTextBlock
      contextRef="D20241001_20250331_C000102221Member"
      id="t_4_f4cf8a4c_05de_123c_f670_de6b10f65af3">This semi-annual shareholder report contains important information about the First Trust Cloud Computing ETF (the &#x201c;Fund&#x201d;) for the period of October 1, 2024 to March 31, 2025.</oef:AnnlOrSemiAnnlStatementTextBlock>
    <oef:ShareholderReportAnnualOrSemiAnnual
      contextRef="D20241001_20250331_C000102221Member"
      id="t_5_0c8e134c_076f_875e_f855_86636fcb56af">semi-annual shareholder report</oef:ShareholderReportAnnualOrSemiAnnual>
    <oef:AddlInfoTextBlock
      contextRef="D20241001_20250331_C000102221Member"
      id="t_6_a65e09a8_953c_e80b_c638_d3c465dda0c5">You can find additional information about the Fund at &lt;span style="white-space:nowrap;color:rgb(0, 60, 113);text-decoration-line:underline"&gt;www.ftportfolios.com/fund-documents/etf/SKYY&lt;/span&gt;. You can also request this information by contacting us at 1-800-621-1675 or &lt;span style="text-decoration-line:underline;color:rgb(0, 60, 113);font-family:'timesnewrompspro';font-size:9pt"&gt;info@ftportfolios.com&lt;/span&gt;.</oef:AddlInfoTextBlock>
    <oef:AddlInfoWebsite
      contextRef="D20241001_20250331_C000102221Member"
      id="t_7_78b0e9f7_ecb2_d1ee_c24a_641b75797907">www.ftportfolios.com/fund-documents/etf/SKYY</oef:AddlInfoWebsite>
    <oef:AddlInfoPhoneNumber
      contextRef="D20241001_20250331_C000102221Member"
      id="t_8_d705783f_9500_457d_4e92_216dff029f41">1-800-621-1675</oef:AddlInfoPhoneNumber>
    <oef:AddlInfoEmail
      contextRef="D20241001_20250331_C000102221Member"
      id="t_9_3c049846_aac2_bbb5_79ce_d5adcba9b0af">info@ftportfolios.com</oef:AddlInfoEmail>
    <oef:ExpensesTextBlock
      contextRef="D20241001_20250331_C000102221Member"
      id="t_10_192c6bca_a63c_a086_13f5_a48315f6fc2a">&lt;div style="margin-top:0px;font-kerning:none;font-family:'timesnewrompspro';color:rgb(0, 60, 113);font-size:11.52pt;font-weight:bold;margin-bottom:3pt;"&gt;WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS?&lt;/div&gt;&lt;div style="margin-top:0px;margin-bottom:0px;font-kerning:none;font-family:'timesnewrompspro';color:rgb(0, 0, 0);font-size:9pt;"&gt;(Based on a hypothetical $10,000 investment)&lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page"&gt;
&lt;tr style="break-after:avoid;border-bottom-style:solid;border-bottom-width:1pt;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-weight: bold; text-align: left; font-size: 9pt; font-kerning: none; vertical-align: bottom;"&gt;Fund&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-weight: bold; vertical-align: bottom;"&gt;Costs of a $10,000 investment&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-weight: bold; vertical-align: bottom;"&gt;Costs paid as a percentage&lt;br/&gt; of a $10,000 investment&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:initial;border-bottom-style:none;break-inside:avoid-page;height:20pt;border-bottom-color:initial"&gt;
&lt;td style="break-inside: avoid-page; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-kerning: none; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; vertical-align: bottom;"&gt;First Trust Cloud Computing ETF&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; vertical-align: bottom;"&gt;&lt;span style="float:none"&gt;$&lt;/span&gt;30&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; vertical-align: bottom;"&gt;0.60&lt;span&gt;%&lt;/span&gt;&lt;sup style="vertical-align:3.2pt;line-height:0px"&gt;(1)&lt;/sup&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page"&gt;
&lt;tr style="border-bottom-width:initial;border-bottom-style:none;break-inside:avoid-page;height:9pt;border-bottom-color:initial"&gt;
&lt;td style="break-inside: avoid-page; font-kerning: none; padding-top: 0; padding-right: 0; padding-bottom: 0; padding-left: 0; font-family: 'TimesNewRomPSPro'; font-style: normal; font-size: 7.5pt; color: rgb(0, 0, 0); text-align: left; width: 1.8em; vertical-align: top;"&gt;
&lt;div style="font-kerning:none;font-family:'timesnewrompspro';color:rgb(0, 0, 0);font-size:7.5pt;margin-top:0px;margin-bottom:0px;"&gt;&#x200b;&lt;sup style="vertical-align:3.2pt;line-height:0px"&gt;(1)&lt;/sup&gt;&lt;/div&gt;&lt;/td&gt;
&lt;td style="break-inside: avoid-page; padding-top: 3px; padding-right: 0; padding-bottom: 0; padding-left: 0; font-family: 'TimesNewRomPSPro'; font-style: normal; font-size: 7.5pt; color: rgb(0, 0, 0); text-align: left; vertical-align: top;"&gt;
&lt;div style="font-kerning:none;font-family:'timesnewrompspro';color:rgb(0, 0, 0);font-size:7.5pt;margin-top:0px;margin-bottom:0px;"&gt;Annualized.&lt;/div&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;</oef:ExpensesTextBlock>
    <oef:ExpensesPaidAmt
      contextRef="D20241001_20250331_C000102221Member"
      decimals="INF"
      id="h_151_04b99c10_71a2_44b3_9ae6_4bb604db782e"
      unitRef="USD">30</oef:ExpensesPaidAmt>
    <oef:ExpenseRatioPct
      contextRef="D20241001_20250331_C000102221Member"
      decimals="4"
      id="h_152_c73855cc_ba50_4041_88ba_0e63f3afda2c"
      unitRef="pure">0.0060</oef:ExpenseRatioPct>
    <oef:AddlFundStatisticsTextBlock
      contextRef="D20241001_20250331_C000102221Member"
      id="t_11_31481788_1ac9_4252_f936_dcd906f05963">&lt;div style="font-kerning:none;font-family:'timesnewrompspro';color:rgb(0, 60, 113);font-size:11.52pt;font-weight:bold;margin-bottom:3pt;margin-top:10pt;"&gt;KEY FUND STATISTICS (As of March 31, 2025)&lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page"&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-kerning: none; color: rgb(0, 0, 0); font-size: 9pt; font-weight: bold; text-align: left; width: 60%; font-family: 'TimesNewRomPSPro'; font-style: normal;"&gt;Fund net assets&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt;"&gt;&lt;span style="float:none"&gt;$&lt;/span&gt;3,087,588,579&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-kerning: none; color: rgb(0, 0, 0); font-size: 9pt; font-weight: bold; text-align: left; width: 60%; font-family: 'TimesNewRomPSPro'; font-style: normal;"&gt;Total number of portfolio holdings&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt;"&gt;64&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:initial;border-bottom-style:none;break-inside:avoid-page;height:20pt;border-bottom-color:initial"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-kerning: none; color: rgb(0, 0, 0); font-size: 9pt; font-weight: bold; text-align: left; width: 60%; font-family: 'TimesNewRomPSPro'; font-style: normal;"&gt;Portfolio turnover rate&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt;"&gt;14&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;</oef:AddlFundStatisticsTextBlock>
    <us-gaap:AssetsNet
      contextRef="TI20250331_C000102221Member"
      decimals="INF"
      id="h_153_87219bae_312f_4c03_a0a5_4b4fd2d38865"
      unitRef="USD">3087588579</us-gaap:AssetsNet>
    <oef:HoldingsCount
      contextRef="TI20250331_C000102221Member"
      decimals="INF"
      id="h_154_82621808_cc91_4bfe_be0f_d3fbf3989e29"
      unitRef="Holding">64</oef:HoldingsCount>
    <us-gaap:InvestmentCompanyPortfolioTurnover
      contextRef="D20241001_20250331_C000102221Member"
      decimals="4"
      id="h_155_9a6f4e93_bfb0_45f2_9565_15105ed39631"
      unitRef="pure">0.14</us-gaap:InvestmentCompanyPortfolioTurnover>
    <oef:HoldingsTableTextBlock
      contextRef="D20241001_20250331_C000102221Member"
      id="t_12_8f340e81_e6b1_1385_4101_252e497f5e14">&lt;div style="margin-top:0px;font-kerning:none;font-family:'timesnewrompspro';color:rgb(0, 60, 113);font-size:11.52pt;font-weight:bold;margin-bottom:3pt;"&gt;WHAT DID THE FUND INVEST IN? (As of March 31, 2025)&lt;/div&gt;&lt;div style="margin-top:0px;font-family:'timesnewrompspro';color:rgb(0, 0, 0);font-size:9pt;margin-bottom:10pt;font-kerning:none;"&gt;The tables below show the investment makeup of the Fund, representing the percentage of total investments of the Fund.&lt;/div&gt;&lt;div style="border-bottom-width:1pt;border-bottom-style:solid;font-kerning:none;font-family:'timesnewrompspro';color:rgb(0, 0, 0);letter-spacing:1.25px;text-transform:uppercase;font-size:9pt;border-bottom-color:rgb(0, 0, 0);text-align:center;padding-bottom:5pt;margin-top:5pt;font-weight:bold;margin-bottom:0px;"&gt; &lt;b&gt;Top Ten Holdings&lt;/b&gt; &lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page"&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;International Business Machines Corp.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;4.5&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Microsoft Corp.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;4.3&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Alphabet, Inc., Class A&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;4.2&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Nutanix, Inc., Class A&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;4.1&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Amazon.com, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;4.1&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Pure Storage, Inc., Class A&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;3.9&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Oracle Corp.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;3.8&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Arista Networks, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;3.8&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Akamai Technologies, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;3.0&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:initial;border-bottom-style:none;break-inside:avoid-page;height:20pt;border-bottom-color:initial"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Cisco Systems, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;2.9&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;&lt;div style="border-bottom-width:1pt;border-bottom-style:solid;font-kerning:none;font-family:'timesnewrompspro';color:rgb(0, 0, 0);letter-spacing:1.25px;text-transform:uppercase;font-size:9pt;border-bottom-color:rgb(0, 0, 0);text-align:center;padding-bottom:5pt;margin-bottom:5pt;font-weight:bold;margin-top:3pt;"&gt; &lt;b&gt;Sector Allocation&lt;/b&gt; &lt;/div&gt;&lt;div style="padding-left:10pt;padding-right:0px;"&gt; &lt;img alt="Graphical Representation - Allocation 2 Chart" src="chartimages_9833288.jpg" style="width: 172.8pt;"/&gt;  &lt;/div&gt;</oef:HoldingsTableTextBlock>
    <oef:LargestHoldingsTableTextBlock
      contextRef="D20241001_20250331_C000102221Member"
      id="t_13_65923b2c_eda1_3879_b7dd_f71983395c58">&lt;div style="border-bottom-width:1pt;border-bottom-style:solid;font-kerning:none;font-family:'timesnewrompspro';color:rgb(0, 0, 0);letter-spacing:1.25px;text-transform:uppercase;font-size:9pt;border-bottom-color:rgb(0, 0, 0);text-align:center;padding-bottom:5pt;margin-top:5pt;font-weight:bold;margin-bottom:0px;"&gt; &lt;b&gt;Top Ten Holdings&lt;/b&gt; &lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page"&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;International Business Machines Corp.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;4.5&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Microsoft Corp.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;4.3&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Alphabet, Inc., Class A&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;4.2&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Nutanix, Inc., Class A&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;4.1&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Amazon.com, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;4.1&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Pure Storage, Inc., Class A&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;3.9&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Oracle Corp.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;3.8&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Arista Networks, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;3.8&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Akamai Technologies, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;3.0&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:initial;border-bottom-style:none;break-inside:avoid-page;height:20pt;border-bottom-color:initial"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Cisco Systems, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;2.9&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;</oef:LargestHoldingsTableTextBlock>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000102221Member_InternationalBusinessMachinesCorpMember"
      decimals="4"
      id="h_156_67722f93_3c84_4c8a_bd2c_002d99df84e0"
      unitRef="pure">0.045</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000102221Member_MicrosoftCorpMember"
      decimals="4"
      id="h_157_62196bd2_ff57_4734_b5c3_f186ebba3191"
      unitRef="pure">0.043</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000102221Member_AlphabetIncClassAMember"
      decimals="4"
      id="h_158_e69cc5d0_1a10_4fe8_a426_c3a77c3538e4"
      unitRef="pure">0.042</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000102221Member_NutanixIncClassAMember"
      decimals="4"
      id="h_159_7bea8af0_5a7c_47bf_99c5_59c65f91882b"
      unitRef="pure">0.041</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000102221Member_AmazonComIncMember"
      decimals="4"
      id="h_160_6ff8e600_087a_471b_baa5_200192d86ae2"
      unitRef="pure">0.041</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000102221Member_PureStorageIncClassAMember"
      decimals="4"
      id="h_161_7b27470d_2c7b_4cbb_abf6_39c6f43cbcfb"
      unitRef="pure">0.039</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000102221Member_OracleCorpMember"
      decimals="4"
      id="h_162_a6108697_0c4e_42b0_8dcc_daf6c4c7b88e"
      unitRef="pure">0.038</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000102221Member_AristaNetworksIncMember"
      decimals="4"
      id="h_163_9f0778cb_bf18_4074_a27f_61766422f1f6"
      unitRef="pure">0.038</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000102221Member_AkamaiTechnologiesIncMember"
      decimals="4"
      id="h_164_b71ff7e6_163e_491f_8592_d8a792a023f8"
      unitRef="pure">0.030</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000102221Member_CiscoSystemsIncMember"
      decimals="4"
      id="h_165_618b72c8_0812_4eba_920e_1fef85fa5147"
      unitRef="pure">0.029</oef:PctOfTotalInv>
    <oef:ClassName
      contextRef="D20241001_20250331_C000146603Member"
      id="t_4_aca76deb_9d4d_5521_d068_327768dcd2ea">First Trust International Equity Opportunities ETF</oef:ClassName>
    <oef:FundName
      contextRef="D20241001_20250331_C000146603Member"
      id="t_5_f794eccc_12c9_d94c_92d2_38acbdbaf44c">First Trust International Equity Opportunities ETF</oef:FundName>
    <dei:TradingSymbol
      contextRef="D20241001_20250331_C000146603Member"
      id="t_3_af6d09fa_ba58_6c33_b539_edbda3b42a4e">FPXI</dei:TradingSymbol>
    <oef:AnnlOrSemiAnnlStatementTextBlock
      contextRef="D20241001_20250331_C000146603Member"
      id="t_6_7fd808ba_c02a_fcd9_0c63_195ff42df6e3">This semi-annual shareholder report contains important information about the First Trust International Equity Opportunities ETF (the &#x201c;Fund&#x201d;) for the period of October 1, 2024 to March 31, 2025.</oef:AnnlOrSemiAnnlStatementTextBlock>
    <oef:ShareholderReportAnnualOrSemiAnnual
      contextRef="D20241001_20250331_C000146603Member"
      id="t_7_be43994e_891b_09f8_0b72_76d393c3d87c">semi-annual shareholder report</oef:ShareholderReportAnnualOrSemiAnnual>
    <oef:AddlInfoTextBlock
      contextRef="D20241001_20250331_C000146603Member"
      id="t_8_e2ce902d_d61a_96f4_1293_66c20c7b88c9">You can find additional information about the Fund at &lt;span style="white-space:nowrap;color:rgb(0, 60, 113);text-decoration-line:underline"&gt;www.ftportfolios.com/fund-documents/etf/FPXI&lt;/span&gt;. You can also request this information by contacting us at 1-800-621-1675 or &lt;span style="text-decoration-line:underline;color:rgb(0, 60, 113);font-family:'timesnewrompspro';font-size:9pt"&gt;info@ftportfolios.com&lt;/span&gt;.</oef:AddlInfoTextBlock>
    <oef:AddlInfoWebsite
      contextRef="D20241001_20250331_C000146603Member"
      id="t_9_3d4d19fa_85eb_a90e_f2ab_56d0d6a37958">www.ftportfolios.com/fund-documents/etf/FPXI</oef:AddlInfoWebsite>
    <oef:AddlInfoPhoneNumber
      contextRef="D20241001_20250331_C000146603Member"
      id="t_10_8cc42932_9b7b_3b54_921e_bfa6743d2089">1-800-621-1675</oef:AddlInfoPhoneNumber>
    <oef:AddlInfoEmail
      contextRef="D20241001_20250331_C000146603Member"
      id="t_11_6d5fc16d_3542_ceb3_9b5b_779ab21fb109">info@ftportfolios.com</oef:AddlInfoEmail>
    <oef:ExpensesTextBlock
      contextRef="D20241001_20250331_C000146603Member"
      id="t_12_b421a1fa_55b4_b9d0_ab71_9a08b0f35943">&lt;div style="margin-top:0px;font-kerning:none;font-family:'timesnewrompspro';color:rgb(0, 60, 113);font-size:11.52pt;font-weight:bold;margin-bottom:3pt;"&gt;WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS?&lt;/div&gt;&lt;div style="margin-top:0px;margin-bottom:0px;font-kerning:none;font-family:'timesnewrompspro';color:rgb(0, 0, 0);font-size:9pt;"&gt;(Based on a hypothetical $10,000 investment)&lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page"&gt;
&lt;tr style="break-after:avoid;border-bottom-style:solid;border-bottom-width:1pt;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-weight: bold; text-align: left; font-size: 9pt; font-kerning: none; vertical-align: bottom;"&gt;Fund&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-weight: bold; vertical-align: bottom;"&gt;Costs of a $10,000 investment&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-weight: bold; vertical-align: bottom;"&gt;Costs paid as a percentage&lt;br/&gt; of a $10,000 investment&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:initial;border-bottom-style:none;break-inside:avoid-page;height:20pt;border-bottom-color:initial"&gt;
&lt;td style="break-inside: avoid-page; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-kerning: none; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; vertical-align: bottom;"&gt;First Trust International Equity Opportunities ETF&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; vertical-align: bottom;"&gt;&lt;span style="float:none"&gt;$&lt;/span&gt;34&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; vertical-align: bottom;"&gt;0.70&lt;span&gt;%&lt;/span&gt;&lt;sup style="vertical-align:3.2pt;line-height:0px"&gt;(1)&lt;/sup&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page"&gt;
&lt;tr style="border-bottom-width:initial;border-bottom-style:none;break-inside:avoid-page;height:9pt;border-bottom-color:initial"&gt;
&lt;td style="break-inside: avoid-page; font-kerning: none; padding-top: 0; padding-right: 0; padding-bottom: 0; padding-left: 0; font-family: 'TimesNewRomPSPro'; font-style: normal; font-size: 7.5pt; color: rgb(0, 0, 0); text-align: left; width: 1.8em; vertical-align: top;"&gt;
&lt;div style="font-kerning:none;font-family:'timesnewrompspro';color:rgb(0, 0, 0);font-size:7.5pt;margin-top:0px;margin-bottom:0px;"&gt;&#x200b;&lt;sup style="vertical-align:3.2pt;line-height:0px"&gt;(1)&lt;/sup&gt;&lt;/div&gt;&lt;/td&gt;
&lt;td style="break-inside: avoid-page; padding-top: 3px; padding-right: 0; padding-bottom: 0; padding-left: 0; font-family: 'TimesNewRomPSPro'; font-style: normal; font-size: 7.5pt; color: rgb(0, 0, 0); text-align: left; vertical-align: top;"&gt;
&lt;div style="font-kerning:none;font-family:'timesnewrompspro';color:rgb(0, 0, 0);font-size:7.5pt;margin-top:0px;margin-bottom:0px;"&gt;Annualized.&lt;/div&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;</oef:ExpensesTextBlock>
    <oef:ExpensesPaidAmt
      contextRef="D20241001_20250331_C000146603Member"
      decimals="INF"
      id="h_166_0fbe2355_09ed_4fd5_8141_dffc3c01f428"
      unitRef="USD">34</oef:ExpensesPaidAmt>
    <oef:ExpenseRatioPct
      contextRef="D20241001_20250331_C000146603Member"
      decimals="4"
      id="h_167_528d8340_9ba9_4153_af18_e0e756f2ab44"
      unitRef="pure">0.0070</oef:ExpenseRatioPct>
    <oef:AddlFundStatisticsTextBlock
      contextRef="D20241001_20250331_C000146603Member"
      id="t_13_b2332615_65a4_a9cc_49b7_01237f16fa61">&lt;div style="font-kerning:none;font-family:'timesnewrompspro';color:rgb(0, 60, 113);font-size:11.52pt;font-weight:bold;margin-bottom:3pt;margin-top:10pt;"&gt;KEY FUND STATISTICS (As of March 31, 2025)&lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page"&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-kerning: none; color: rgb(0, 0, 0); font-size: 9pt; font-weight: bold; text-align: left; width: 60%; font-family: 'TimesNewRomPSPro'; font-style: normal;"&gt;Fund net assets&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt;"&gt;&lt;span style="float:none"&gt;$&lt;/span&gt;129,928,149&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-kerning: none; color: rgb(0, 0, 0); font-size: 9pt; font-weight: bold; text-align: left; width: 60%; font-family: 'TimesNewRomPSPro'; font-style: normal;"&gt;Total number of portfolio holdings&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt;"&gt;52&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:initial;border-bottom-style:none;break-inside:avoid-page;height:20pt;border-bottom-color:initial"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-kerning: none; color: rgb(0, 0, 0); font-size: 9pt; font-weight: bold; text-align: left; width: 60%; font-family: 'TimesNewRomPSPro'; font-style: normal;"&gt;Portfolio turnover rate&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt;"&gt;59&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;</oef:AddlFundStatisticsTextBlock>
    <us-gaap:AssetsNet
      contextRef="TI20250331_C000146603Member"
      decimals="INF"
      id="h_168_b6021fa8_9a06_476b_afe4_2be68562163b"
      unitRef="USD">129928149</us-gaap:AssetsNet>
    <oef:HoldingsCount
      contextRef="TI20250331_C000146603Member"
      decimals="INF"
      id="h_169_1041c955_e9c4_4def_8fa2_80bb1df1f240"
      unitRef="Holding">52</oef:HoldingsCount>
    <us-gaap:InvestmentCompanyPortfolioTurnover
      contextRef="D20241001_20250331_C000146603Member"
      decimals="4"
      id="h_170_f3f342be_6177_4b3a_bc2b_cc5dbe918b3d"
      unitRef="pure">0.59</us-gaap:InvestmentCompanyPortfolioTurnover>
    <oef:HoldingsTableTextBlock
      contextRef="D20241001_20250331_C000146603Member"
      id="t_14_ad189e96_8dfc_fe84_c23f_63564ee9ff0e">&lt;div style="margin-top:0px;font-kerning:none;font-family:'timesnewrompspro';color:rgb(0, 60, 113);font-size:11.52pt;font-weight:bold;margin-bottom:3pt;"&gt;WHAT DID THE FUND INVEST IN? (As of March 31, 2025)&lt;/div&gt;&lt;div style="margin-top:0px;font-family:'timesnewrompspro';color:rgb(0, 0, 0);font-size:9pt;margin-bottom:10pt;font-kerning:none;"&gt;The tables below show the investment makeup of the Fund, representing the percentage of total investments of the Fund.&lt;/div&gt;&lt;div style="border-bottom-width:1pt;border-bottom-style:solid;font-kerning:none;font-family:'timesnewrompspro';color:rgb(0, 0, 0);letter-spacing:1.25px;text-transform:uppercase;font-size:9pt;border-bottom-color:rgb(0, 0, 0);text-align:center;padding-bottom:5pt;margin-top:5pt;font-weight:bold;margin-bottom:0px;"&gt; &lt;b&gt;Top Ten Holdings&lt;/b&gt; &lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page"&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Alibaba Group Holding Ltd., ADR&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;7.3&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Spotify Technology S.A.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;6.5&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;ARM Holdings PLC, ADR&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;5.2&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Caixa Seguridade Participacoes S.A.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;5.2&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Gen Digital, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;4.2&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Trip.com Group Ltd., ADR&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;4.1&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Krafton, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;3.7&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Agnico Eagle Mines Ltd.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;3.6&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Pop Mart International Group Ltd.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;3.6&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:initial;border-bottom-style:none;break-inside:avoid-page;height:20pt;border-bottom-color:initial"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Constellation Software, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;3.2&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;&lt;div style="border-bottom-width:1pt;border-bottom-style:solid;font-kerning:none;font-family:'timesnewrompspro';color:rgb(0, 0, 0);letter-spacing:1.25px;text-transform:uppercase;font-size:9pt;border-bottom-color:rgb(0, 0, 0);text-align:center;padding-bottom:5pt;margin-bottom:5pt;font-weight:bold;margin-top:3pt;"&gt; &lt;b&gt;Sector Allocation&lt;/b&gt; &lt;/div&gt;&lt;div style="padding-left:10pt;padding-right:0px;"&gt; &lt;img alt="Graphical Representation - Allocation 2 Chart" src="chartimages_9833414.jpg" style="width: 172.8pt;"/&gt;  &lt;/div&gt;</oef:HoldingsTableTextBlock>
    <oef:LargestHoldingsTableTextBlock
      contextRef="D20241001_20250331_C000146603Member"
      id="t_15_bcdb3af7_b1e4_0998_24b0_ebe671e82fbe">&lt;div style="border-bottom-width:1pt;border-bottom-style:solid;font-kerning:none;font-family:'timesnewrompspro';color:rgb(0, 0, 0);letter-spacing:1.25px;text-transform:uppercase;font-size:9pt;border-bottom-color:rgb(0, 0, 0);text-align:center;padding-bottom:5pt;margin-top:5pt;font-weight:bold;margin-bottom:0px;"&gt; &lt;b&gt;Top Ten Holdings&lt;/b&gt; &lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page"&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Alibaba Group Holding Ltd., ADR&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;7.3&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Spotify Technology S.A.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;6.5&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;ARM Holdings PLC, ADR&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;5.2&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Caixa Seguridade Participacoes S.A.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;5.2&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Gen Digital, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;4.2&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Trip.com Group Ltd., ADR&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;4.1&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Krafton, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;3.7&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Agnico Eagle Mines Ltd.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;3.6&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Pop Mart International Group Ltd.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;3.6&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:initial;border-bottom-style:none;break-inside:avoid-page;height:20pt;border-bottom-color:initial"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Constellation Software, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;3.2&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;</oef:LargestHoldingsTableTextBlock>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000146603Member_AlibabaGroupHoldingLtdADRMember"
      decimals="4"
      id="h_171_01e924d8_559c_4c47_838f_dc588180d35d"
      unitRef="pure">0.073</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000146603Member_SpotifyTechnologySAMember"
      decimals="4"
      id="h_172_7fe875ca_55d9_4347_9b47_c02901bef58c"
      unitRef="pure">0.065</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000146603Member_ARMHoldingsPLCADRMember"
      decimals="4"
      id="h_173_82c3a01c_d67b_4c15_a7de_9bc9f3eda960"
      unitRef="pure">0.052</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000146603Member_CaixaSeguridadeParticipacoesSAMember"
      decimals="4"
      id="h_174_078a006d_60fe_41f6_a642_c253688fb8d9"
      unitRef="pure">0.052</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000146603Member_GenDigitalIncMember"
      decimals="4"
      id="h_175_a1e53484_2bd6_49a7_b20e_86df98342f96"
      unitRef="pure">0.042</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000146603Member_TripComGroupLtdADRMember"
      decimals="4"
      id="h_176_f384f5ee_c091_486e_9497_4b5c666f87db"
      unitRef="pure">0.041</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000146603Member_KraftonIncMember"
      decimals="4"
      id="h_177_92eb9df1_3da9_48bc_8408_8132e2e58010"
      unitRef="pure">0.037</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000146603Member_AgnicoEagleMinesLtdMember"
      decimals="4"
      id="h_178_d35c1d20_dcdb_43d6_86da_113e964209d1"
      unitRef="pure">0.036</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000146603Member_PopMartInternationalGroupLtdMember"
      decimals="4"
      id="h_179_327ea60b_19ad_43e4_be43_34b594e11b53"
      unitRef="pure">0.036</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000146603Member_ConstellationSoftwareIncMember"
      decimals="4"
      id="h_180_0140b70a_8072_4ec8_bbc0_10dec65ca22c"
      unitRef="pure">0.032</oef:PctOfTotalInv>
    <oef:ClassName
      contextRef="D20241001_20250331_C000159087Member"
      id="t_1_e8f796dc_23b7_327b_1e1e_00000386b619">First Trust Nasdaq Cybersecurity ETF</oef:ClassName>
    <oef:FundName
      contextRef="D20241001_20250331_C000159087Member"
      id="t_2_9aa1d65c_52de_97eb_da1f_661f6a047483">First Trust Nasdaq Cybersecurity ETF</oef:FundName>
    <dei:TradingSymbol
      contextRef="D20241001_20250331_C000159087Member"
      id="t_3_de3fc6ef_57d8_3ae9_71ea_c8a5355a2061">CIBR</dei:TradingSymbol>
    <oef:AnnlOrSemiAnnlStatementTextBlock
      contextRef="D20241001_20250331_C000159087Member"
      id="t_5_e4517f04_2f32_090b_bde5_06f877a9b63c">This semi-annual shareholder report contains important information about the First Trust Nasdaq Cybersecurity ETF (the &#x201c;Fund&#x201d;) for the period of October 1, 2024 to March 31, 2025.</oef:AnnlOrSemiAnnlStatementTextBlock>
    <oef:ShareholderReportAnnualOrSemiAnnual
      contextRef="D20241001_20250331_C000159087Member"
      id="t_4_4068d84b_04d9_63e5_c947_f0cda5573402">semi-annual shareholder report</oef:ShareholderReportAnnualOrSemiAnnual>
    <oef:AddlInfoTextBlock
      contextRef="D20241001_20250331_C000159087Member"
      id="t_6_37a2063e_9459_fb79_c6de_eb7d45333681">You can find additional information about the Fund at &lt;span style="white-space:nowrap;color:rgb(0, 60, 113);text-decoration-line:underline"&gt;www.ftportfolios.com/fund-documents/etf/CIBR&lt;/span&gt;. You can also request this information by contacting us at 1-800-621-1675 or &lt;span style="text-decoration-line:underline;color:rgb(0, 60, 113);font-family:'timesnewrompspro';font-size:9pt"&gt;info@ftportfolios.com&lt;/span&gt;.</oef:AddlInfoTextBlock>
    <oef:AddlInfoWebsite
      contextRef="D20241001_20250331_C000159087Member"
      id="t_7_f64928c1_c8f2_f9db_7491_04629153bb5f">www.ftportfolios.com/fund-documents/etf/CIBR</oef:AddlInfoWebsite>
    <oef:AddlInfoPhoneNumber
      contextRef="D20241001_20250331_C000159087Member"
      id="t_9_0275a667_7857_b617_b80f_06bb20290e5a">1-800-621-1675</oef:AddlInfoPhoneNumber>
    <oef:AddlInfoEmail
      contextRef="D20241001_20250331_C000159087Member"
      id="t_8_05639bff_21a7_36ec_58f5_11b4aa4271a2">info@ftportfolios.com</oef:AddlInfoEmail>
    <oef:ExpensesTextBlock
      contextRef="D20241001_20250331_C000159087Member"
      id="t_10_f4c5d68d_0977_e563_53ee_a940a83153e8">&lt;div style="margin-top:0px;font-kerning:none;font-family:'timesnewrompspro';color:rgb(0, 60, 113);font-size:11.52pt;font-weight:bold;margin-bottom:3pt;"&gt;WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS?&lt;/div&gt;&lt;div style="margin-top:0px;margin-bottom:0px;font-kerning:none;font-family:'timesnewrompspro';color:rgb(0, 0, 0);font-size:9pt;"&gt;(Based on a hypothetical $10,000 investment)&lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page"&gt;
&lt;tr style="break-after:avoid;border-bottom-style:solid;border-bottom-width:1pt;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-weight: bold; text-align: left; font-size: 9pt; font-kerning: none; vertical-align: bottom;"&gt;Fund&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-weight: bold; vertical-align: bottom;"&gt;Costs of a $10,000 investment&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-weight: bold; vertical-align: bottom;"&gt;Costs paid as a percentage&lt;br/&gt; of a $10,000 investment&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:initial;border-bottom-style:none;break-inside:avoid-page;height:20pt;border-bottom-color:initial"&gt;
&lt;td style="break-inside: avoid-page; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-kerning: none; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; vertical-align: bottom;"&gt;First Trust Nasdaq Cybersecurity ETF&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; vertical-align: bottom;"&gt;&lt;span style="float:none"&gt;$&lt;/span&gt;30&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; vertical-align: bottom;"&gt;0.58&lt;span&gt;%&lt;/span&gt;&lt;sup style="vertical-align:3.2pt;line-height:0px"&gt;(1)&lt;/sup&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page"&gt;
&lt;tr style="border-bottom-width:initial;border-bottom-style:none;break-inside:avoid-page;height:9pt;border-bottom-color:initial"&gt;
&lt;td style="break-inside: avoid-page; font-kerning: none; padding-top: 0; padding-right: 0; padding-bottom: 0; padding-left: 0; font-family: 'TimesNewRomPSPro'; font-style: normal; font-size: 7.5pt; color: rgb(0, 0, 0); text-align: left; width: 1.8em; vertical-align: top;"&gt;
&lt;div style="font-kerning:none;font-family:'timesnewrompspro';color:rgb(0, 0, 0);font-size:7.5pt;margin-top:0px;margin-bottom:0px;"&gt;&#x200b;&lt;sup style="vertical-align:3.2pt;line-height:0px"&gt;(1)&lt;/sup&gt;&lt;/div&gt;&lt;/td&gt;
&lt;td style="break-inside: avoid-page; padding-top: 3px; padding-right: 0; padding-bottom: 0; padding-left: 0; font-family: 'TimesNewRomPSPro'; font-style: normal; font-size: 7.5pt; color: rgb(0, 0, 0); text-align: left; vertical-align: top;"&gt;
&lt;div style="font-kerning:none;font-family:'timesnewrompspro';color:rgb(0, 0, 0);font-size:7.5pt;margin-top:0px;margin-bottom:0px;"&gt;Annualized.&lt;/div&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;</oef:ExpensesTextBlock>
    <oef:ExpensesPaidAmt
      contextRef="D20241001_20250331_C000159087Member"
      decimals="INF"
      id="h_181_a7960268_d57e_4a12_af6a_2ba68bd3a190"
      unitRef="USD">30</oef:ExpensesPaidAmt>
    <oef:ExpenseRatioPct
      contextRef="D20241001_20250331_C000159087Member"
      decimals="4"
      id="h_182_3d85645e_e26d_4382_9b22_82b5315e2320"
      unitRef="pure">0.0058</oef:ExpenseRatioPct>
    <oef:AddlFundStatisticsTextBlock
      contextRef="D20241001_20250331_C000159087Member"
      id="t_11_6b332042_52d3_411a_d533_d5ae42a05f0e">&lt;div style="font-kerning:none;font-family:'timesnewrompspro';color:rgb(0, 60, 113);font-size:11.52pt;font-weight:bold;margin-bottom:3pt;margin-top:10pt;"&gt;KEY FUND STATISTICS (As of March 31, 2025)&lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page"&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-kerning: none; color: rgb(0, 0, 0); font-size: 9pt; font-weight: bold; text-align: left; width: 60%; font-family: 'TimesNewRomPSPro'; font-style: normal;"&gt;Fund net assets&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt;"&gt;&lt;span style="float:none"&gt;$&lt;/span&gt;7,875,203,238&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-kerning: none; color: rgb(0, 0, 0); font-size: 9pt; font-weight: bold; text-align: left; width: 60%; font-family: 'TimesNewRomPSPro'; font-style: normal;"&gt;Total number of portfolio holdings&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt;"&gt;35&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:initial;border-bottom-style:none;break-inside:avoid-page;height:20pt;border-bottom-color:initial"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-kerning: none; color: rgb(0, 0, 0); font-size: 9pt; font-weight: bold; text-align: left; width: 60%; font-family: 'TimesNewRomPSPro'; font-style: normal;"&gt;Portfolio turnover rate&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt;"&gt;10&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;</oef:AddlFundStatisticsTextBlock>
    <us-gaap:AssetsNet
      contextRef="TI20250331_C000159087Member"
      decimals="INF"
      id="h_183_01d2ae71_aad8_4878_afe1_0c2ed514897f"
      unitRef="USD">7875203238</us-gaap:AssetsNet>
    <oef:HoldingsCount
      contextRef="TI20250331_C000159087Member"
      decimals="INF"
      id="h_184_277b19e1_5858_4f19_ab70_8200dde2cc2d"
      unitRef="Holding">35</oef:HoldingsCount>
    <us-gaap:InvestmentCompanyPortfolioTurnover
      contextRef="D20241001_20250331_C000159087Member"
      decimals="4"
      id="h_185_b5638f98_1947_4be3_ba98_67c01805a25b"
      unitRef="pure">0.10</us-gaap:InvestmentCompanyPortfolioTurnover>
    <oef:HoldingsTableTextBlock
      contextRef="D20241001_20250331_C000159087Member"
      id="t_12_5254b917_f013_e6a3_482a_ad69515f9be2">&lt;div style="margin-top:0px;font-kerning:none;font-family:'timesnewrompspro';color:rgb(0, 60, 113);font-size:11.52pt;font-weight:bold;margin-bottom:3pt;"&gt;WHAT DID THE FUND INVEST IN? (As of March 31, 2025)&lt;/div&gt;&lt;div style="margin-top:0px;font-family:'timesnewrompspro';color:rgb(0, 0, 0);font-size:9pt;margin-bottom:10pt;font-kerning:none;"&gt;The tables below show the investment makeup of the Fund, representing the percentage of total investments of the Fund.&lt;/div&gt;&lt;div style="border-bottom-width:1pt;border-bottom-style:solid;font-kerning:none;font-family:'timesnewrompspro';color:rgb(0, 0, 0);letter-spacing:1.25px;text-transform:uppercase;font-size:9pt;border-bottom-color:rgb(0, 0, 0);text-align:center;padding-bottom:5pt;margin-top:5pt;font-weight:bold;margin-bottom:0px;"&gt; &lt;b&gt;Top Ten Holdings&lt;/b&gt; &lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page"&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Cisco Systems, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;8.0&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Infosys Ltd., ADR&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;7.5&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;CrowdStrike Holdings, Inc., Class A&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;7.5&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Palo Alto Networks, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;7.4&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Broadcom, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;7.0&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Thales S.A.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;5.5&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Okta, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;4.5&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Leidos Holdings, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;4.3&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Check Point Software Technologies Ltd.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;4.3&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:initial;border-bottom-style:none;break-inside:avoid-page;height:20pt;border-bottom-color:initial"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Zscaler, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;4.2&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;&lt;div style="border-bottom-width:1pt;border-bottom-style:solid;font-kerning:none;font-family:'timesnewrompspro';color:rgb(0, 0, 0);letter-spacing:1.25px;text-transform:uppercase;font-size:9pt;border-bottom-color:rgb(0, 0, 0);text-align:center;padding-bottom:5pt;margin-bottom:5pt;font-weight:bold;margin-top:3pt;"&gt; &lt;b&gt;Sector Allocation&lt;/b&gt; &lt;/div&gt;&lt;div style="padding-left:10pt;padding-right:0px;"&gt; &lt;img alt="Graphical Representation - Allocation 2 Chart" src="chartimages_9833456.jpg" style="width: 172.8pt;"/&gt;  &lt;/div&gt;</oef:HoldingsTableTextBlock>
    <oef:LargestHoldingsTableTextBlock
      contextRef="D20241001_20250331_C000159087Member"
      id="t_13_1aa9d67a_553d_ff85_5056_7f2e7131d68c">&lt;div style="border-bottom-width:1pt;border-bottom-style:solid;font-kerning:none;font-family:'timesnewrompspro';color:rgb(0, 0, 0);letter-spacing:1.25px;text-transform:uppercase;font-size:9pt;border-bottom-color:rgb(0, 0, 0);text-align:center;padding-bottom:5pt;margin-top:5pt;font-weight:bold;margin-bottom:0px;"&gt; &lt;b&gt;Top Ten Holdings&lt;/b&gt; &lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page"&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Cisco Systems, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;8.0&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Infosys Ltd., ADR&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;7.5&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;CrowdStrike Holdings, Inc., Class A&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;7.5&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Palo Alto Networks, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;7.4&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Broadcom, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;7.0&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Thales S.A.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;5.5&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Okta, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;4.5&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Leidos Holdings, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;4.3&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Check Point Software Technologies Ltd.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;4.3&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:initial;border-bottom-style:none;break-inside:avoid-page;height:20pt;border-bottom-color:initial"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Zscaler, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;4.2&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;</oef:LargestHoldingsTableTextBlock>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000159087Member_CiscoSystemsIncMember"
      decimals="4"
      id="h_186_70ab2e32_bf1a_492d_a5d0_10d25ca7c718"
      unitRef="pure">0.080</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000159087Member_InfosysLtdADRMember"
      decimals="4"
      id="h_187_c367e648_197b_477f_a852_bc1d8667d125"
      unitRef="pure">0.075</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000159087Member_CrowdStrikeHoldingsIncClassAMember"
      decimals="4"
      id="h_188_a0a9ed5a_c146_4af9_95ff_c4c93c9cdca7"
      unitRef="pure">0.075</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000159087Member_PaloAltoNetworksIncMember"
      decimals="4"
      id="h_189_cf99f1e0_e373_4955_9a5b_ad2a7bd999c5"
      unitRef="pure">0.074</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000159087Member_BroadcomIncMember"
      decimals="4"
      id="h_190_972fba69_c160_4dca_a824_1d79221489c7"
      unitRef="pure">0.070</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000159087Member_ThalesSAMember"
      decimals="4"
      id="h_191_42e318cf_f49f_4bd2_8fdd_1013ff7f7bb8"
      unitRef="pure">0.055</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000159087Member_OktaIncMember"
      decimals="4"
      id="h_192_88ece1e0_37be_432a_ba16_c3fd29f47144"
      unitRef="pure">0.045</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000159087Member_LeidosHoldingsIncMember"
      decimals="4"
      id="h_193_803e3506_803f_4e02_9389_277e77b6f84c"
      unitRef="pure">0.043</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000159087Member_CheckPointSoftwareTechnologiesLtdMember"
      decimals="4"
      id="h_194_812ffd49_c0b4_4489_8b38_6c0b20fcca38"
      unitRef="pure">0.043</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000159087Member_ZscalerIncMember"
      decimals="4"
      id="h_195_4ea3ae63_c754_4991_9bcd_11180fd30066"
      unitRef="pure">0.042</oef:PctOfTotalInv>
    <oef:ClassName
      contextRef="D20241001_20250331_C000204700Member"
      id="t_1_2160fed3_a885_e2d8_ee16_c677940a2852">First Trust IPOX&#xae; Europe Equity Opportunities ETF</oef:ClassName>
    <oef:FundName
      contextRef="D20241001_20250331_C000204700Member"
      id="t_3_d0367166_b3e4_2eb5_a644_1d90dd4fa514">First Trust IPOX&#xae; Europe Equity Opportunities ETF</oef:FundName>
    <dei:TradingSymbol
      contextRef="D20241001_20250331_C000204700Member"
      id="t_2_151ed4aa_1dc5_264a_c80a_060926546bf1">FPXE</dei:TradingSymbol>
    <oef:AnnlOrSemiAnnlStatementTextBlock
      contextRef="D20241001_20250331_C000204700Member"
      id="t_5_b8e0b6bc_31a5_fa8d_4d32_d736f18b8209">This semi-annual shareholder report contains important information about the First Trust IPOX&lt;sup style="vertical-align:3.2pt;line-height:0px"&gt;&#xae;&lt;/sup&gt; Europe Equity Opportunities ETF (the &#x201c;Fund&#x201d;) for the period of October 1, 2024 to March 31, 2025.</oef:AnnlOrSemiAnnlStatementTextBlock>
    <oef:ShareholderReportAnnualOrSemiAnnual
      contextRef="D20241001_20250331_C000204700Member"
      id="t_4_e8e7d29a_9c2c_4be8_df07_2f674c202603">semi-annual shareholder report</oef:ShareholderReportAnnualOrSemiAnnual>
    <oef:AddlInfoTextBlock
      contextRef="D20241001_20250331_C000204700Member"
      id="t_6_e2e3f8ea_0380_099d_1058_0c8921518105">You can find additional information about the Fund at &lt;span style="white-space:nowrap;color:rgb(0, 60, 113);text-decoration-line:underline"&gt;www.ftportfolios.com/fund-documents/etf/FPXE&lt;/span&gt;. You can also request this information by contacting us at 1-800-621-1675 or &lt;span style="text-decoration-line:underline;color:rgb(0, 60, 113);font-family:'timesnewrompspro';font-size:9pt"&gt;info@ftportfolios.com&lt;/span&gt;.</oef:AddlInfoTextBlock>
    <oef:AddlInfoWebsite
      contextRef="D20241001_20250331_C000204700Member"
      id="t_7_2a79737b_78b8_fbce_f982_bd4b64cacc7a">www.ftportfolios.com/fund-documents/etf/FPXE</oef:AddlInfoWebsite>
    <oef:AddlInfoPhoneNumber
      contextRef="D20241001_20250331_C000204700Member"
      id="t_8_5895f514_b071_9fad_a098_909f374b0b92">1-800-621-1675</oef:AddlInfoPhoneNumber>
    <oef:AddlInfoEmail
      contextRef="D20241001_20250331_C000204700Member"
      id="t_9_688b01f0_e816_cbae_fb90_0d446c47a17d">info@ftportfolios.com</oef:AddlInfoEmail>
    <oef:ExpensesTextBlock
      contextRef="D20241001_20250331_C000204700Member"
      id="t_10_e121b11e_530b_1150_91d6_0c6e0d423bda">&lt;div style="margin-top:0px;font-kerning:none;font-family:'timesnewrompspro';color:rgb(0, 60, 113);font-size:11.52pt;font-weight:bold;margin-bottom:3pt;"&gt;WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS?&lt;/div&gt;&lt;div style="margin-top:0px;margin-bottom:0px;font-kerning:none;font-family:'timesnewrompspro';color:rgb(0, 0, 0);font-size:9pt;"&gt;(Based on a hypothetical $10,000 investment)&lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page"&gt;
&lt;tr style="break-after:avoid;border-bottom-style:solid;border-bottom-width:1pt;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-weight: bold; text-align: left; font-size: 9pt; font-kerning: none; vertical-align: bottom;"&gt;Fund&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-weight: bold; vertical-align: bottom;"&gt;Costs of a $10,000 investment&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-weight: bold; vertical-align: bottom;"&gt;Costs paid as a percentage&lt;br/&gt; of a $10,000 investment&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:initial;border-bottom-style:none;break-inside:avoid-page;height:20pt;border-bottom-color:initial"&gt;
&lt;td style="break-inside: avoid-page; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-kerning: none; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; vertical-align: bottom;"&gt;First Trust IPOX&lt;sup style="vertical-align:3.2pt;line-height:0px"&gt;&#xae;&lt;/sup&gt; Europe Equity Opportunities ETF&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; vertical-align: bottom;"&gt;&lt;span style="float:none"&gt;$&lt;/span&gt;34&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; vertical-align: bottom;"&gt;0.70&lt;span&gt;%&lt;/span&gt;&lt;sup style="vertical-align:3.2pt;line-height:0px"&gt;(1)&lt;/sup&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page"&gt;
&lt;tr style="border-bottom-width:initial;border-bottom-style:none;break-inside:avoid-page;height:9pt;border-bottom-color:initial"&gt;
&lt;td style="break-inside: avoid-page; font-kerning: none; padding-top: 0; padding-right: 0; padding-bottom: 0; padding-left: 0; font-family: 'TimesNewRomPSPro'; font-style: normal; font-size: 7.5pt; color: rgb(0, 0, 0); text-align: left; width: 1.8em; vertical-align: top;"&gt;
&lt;div style="font-kerning:none;font-family:'timesnewrompspro';color:rgb(0, 0, 0);font-size:7.5pt;margin-top:0px;margin-bottom:0px;"&gt;&#x200b;&lt;sup style="vertical-align:3.2pt;line-height:0px"&gt;(1)&lt;/sup&gt;&lt;/div&gt;&lt;/td&gt;
&lt;td style="break-inside: avoid-page; padding-top: 3px; padding-right: 0; padding-bottom: 0; padding-left: 0; font-family: 'TimesNewRomPSPro'; font-style: normal; font-size: 7.5pt; color: rgb(0, 0, 0); text-align: left; vertical-align: top;"&gt;
&lt;div style="font-kerning:none;font-family:'timesnewrompspro';color:rgb(0, 0, 0);font-size:7.5pt;margin-top:0px;margin-bottom:0px;"&gt;Annualized.&lt;/div&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;</oef:ExpensesTextBlock>
    <oef:ExpensesPaidAmt
      contextRef="D20241001_20250331_C000204700Member"
      decimals="INF"
      id="h_196_26fbff79_ec14_44a9_b78b_75acfa507aa9"
      unitRef="USD">34</oef:ExpensesPaidAmt>
    <oef:ExpenseRatioPct
      contextRef="D20241001_20250331_C000204700Member"
      decimals="4"
      id="h_197_de9fdb66_ac8a_484d_a9ca_d634869fedfb"
      unitRef="pure">0.0070</oef:ExpenseRatioPct>
    <oef:AddlFundStatisticsTextBlock
      contextRef="D20241001_20250331_C000204700Member"
      id="t_11_1eab4e16_1992_bafd_4cba_4aa87ab23c06">&lt;div style="font-kerning:none;font-family:'timesnewrompspro';color:rgb(0, 60, 113);font-size:11.52pt;font-weight:bold;margin-bottom:3pt;margin-top:10pt;"&gt;KEY FUND STATISTICS (As of March 31, 2025)&lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page"&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-kerning: none; color: rgb(0, 0, 0); font-size: 9pt; font-weight: bold; text-align: left; width: 60%; font-family: 'TimesNewRomPSPro'; font-style: normal;"&gt;Fund net assets&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt;"&gt;&lt;span style="float:none"&gt;$&lt;/span&gt;3,863,219&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-kerning: none; color: rgb(0, 0, 0); font-size: 9pt; font-weight: bold; text-align: left; width: 60%; font-family: 'TimesNewRomPSPro'; font-style: normal;"&gt;Total number of portfolio holdings&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt;"&gt;104&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:initial;border-bottom-style:none;break-inside:avoid-page;height:20pt;border-bottom-color:initial"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-kerning: none; color: rgb(0, 0, 0); font-size: 9pt; font-weight: bold; text-align: left; width: 60%; font-family: 'TimesNewRomPSPro'; font-style: normal;"&gt;Portfolio turnover rate&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt;"&gt;48&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;</oef:AddlFundStatisticsTextBlock>
    <us-gaap:AssetsNet
      contextRef="TI20250331_C000204700Member"
      decimals="INF"
      id="h_198_968e77b5_d3b4_4369_9f1d_4fe0b792b843"
      unitRef="USD">3863219</us-gaap:AssetsNet>
    <oef:HoldingsCount
      contextRef="TI20250331_C000204700Member"
      decimals="INF"
      id="h_199_f5d12ce3_5c66_41b6_98c3_dc9fa46a2c90"
      unitRef="Holding">104</oef:HoldingsCount>
    <us-gaap:InvestmentCompanyPortfolioTurnover
      contextRef="D20241001_20250331_C000204700Member"
      decimals="4"
      id="h_200_7cade4d3_4172_4a3c_89f3_e324fb9e6583"
      unitRef="pure">0.48</us-gaap:InvestmentCompanyPortfolioTurnover>
    <oef:HoldingsTableTextBlock
      contextRef="D20241001_20250331_C000204700Member"
      id="t_12_f1ecfe0d_9283_7a9d_25b3_b347fea36c76">&lt;div style="margin-top:0px;font-kerning:none;font-family:'timesnewrompspro';color:rgb(0, 60, 113);font-size:11.52pt;font-weight:bold;margin-bottom:3pt;"&gt;WHAT DID THE FUND INVEST IN? (As of March 31, 2025)&lt;/div&gt;&lt;div style="margin-top:0px;font-family:'timesnewrompspro';color:rgb(0, 0, 0);font-size:9pt;margin-bottom:10pt;font-kerning:none;"&gt;The tables below show the investment makeup of the Fund, representing the percentage of total investments of the Fund.&lt;/div&gt;&lt;div style="border-bottom-width:1pt;border-bottom-style:solid;font-kerning:none;font-family:'timesnewrompspro';color:rgb(0, 0, 0);letter-spacing:1.25px;text-transform:uppercase;font-size:9pt;border-bottom-color:rgb(0, 0, 0);text-align:center;padding-bottom:5pt;margin-top:5pt;font-weight:bold;margin-bottom:0px;"&gt; &lt;b&gt;Top Ten Holdings&lt;/b&gt; &lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page"&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Gen Digital, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;4.9&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Nordnet AB publ&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;3.5&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Technip Energies N.V.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;3.5&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Spotify Technology S.A.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;3.5&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;ARM Holdings PLC, ADR&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;3.4&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Lottomatica Group S.p.A.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;3.1&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Siemens Energy AG&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;2.9&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Haleon PLC&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;2.8&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Cie de Saint-Gobain S.A.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;2.5&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:initial;border-bottom-style:none;break-inside:avoid-page;height:20pt;border-bottom-color:initial"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;IONOS Group SE&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;2.3&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;&lt;div style="border-bottom-width:1pt;border-bottom-style:solid;font-kerning:none;font-family:'timesnewrompspro';color:rgb(0, 0, 0);letter-spacing:1.25px;text-transform:uppercase;font-size:9pt;border-bottom-color:rgb(0, 0, 0);text-align:center;padding-bottom:5pt;margin-bottom:5pt;font-weight:bold;margin-top:3pt;"&gt; &lt;b&gt;Sector Allocation&lt;/b&gt; &lt;/div&gt;&lt;div style="padding-left:10pt;padding-right:0px;"&gt; &lt;img alt="Graphical Representation - Allocation 2 Chart" src="chartimages_9832784.jpg" style="width: 172.8pt;"/&gt;  &lt;/div&gt;</oef:HoldingsTableTextBlock>
    <oef:LargestHoldingsTableTextBlock
      contextRef="D20241001_20250331_C000204700Member"
      id="t_13_5152d166_fdc4_911f_afd0_c6d57a32bb1a">&lt;div style="border-bottom-width:1pt;border-bottom-style:solid;font-kerning:none;font-family:'timesnewrompspro';color:rgb(0, 0, 0);letter-spacing:1.25px;text-transform:uppercase;font-size:9pt;border-bottom-color:rgb(0, 0, 0);text-align:center;padding-bottom:5pt;margin-top:5pt;font-weight:bold;margin-bottom:0px;"&gt; &lt;b&gt;Top Ten Holdings&lt;/b&gt; &lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page"&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Gen Digital, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;4.9&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Nordnet AB publ&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;3.5&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Technip Energies N.V.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;3.5&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Spotify Technology S.A.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;3.5&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;ARM Holdings PLC, ADR&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;3.4&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Lottomatica Group S.p.A.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;3.1&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Siemens Energy AG&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;2.9&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Haleon PLC&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;2.8&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Cie de Saint-Gobain S.A.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;2.5&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:initial;border-bottom-style:none;break-inside:avoid-page;height:20pt;border-bottom-color:initial"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;IONOS Group SE&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;2.3&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;</oef:LargestHoldingsTableTextBlock>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000204700Member_GenDigitalIncMember"
      decimals="4"
      id="h_201_837812eb_602a_47f6_85e2_d293818bc920"
      unitRef="pure">0.049</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000204700Member_NordnetABPublMember"
      decimals="4"
      id="h_202_ac664f25_a95c_4b69_bb60_00764b724d49"
      unitRef="pure">0.035</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000204700Member_TechnipEnergiesNVMember"
      decimals="4"
      id="h_203_4e7cfe67_b160_4466_830c_b6f136f8431e"
      unitRef="pure">0.035</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000204700Member_SpotifyTechnologySAMember"
      decimals="4"
      id="h_204_d5da4b69_b15a_4d04_9323_eac0422fd5de"
      unitRef="pure">0.035</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000204700Member_ARMHoldingsPLCADRMember"
      decimals="4"
      id="h_205_f13a4501_e79d_442e_8aad_e16d2db6c871"
      unitRef="pure">0.034</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000204700Member_LottomaticaGroupSPAMember"
      decimals="4"
      id="h_206_9eafd3bc_b5c7_4f70_9482_ca42f62c5b7f"
      unitRef="pure">0.031</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000204700Member_SiemensEnergyAGMember"
      decimals="4"
      id="h_207_0c015d46_b347_4800_992b_732f28a3ca16"
      unitRef="pure">0.029</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000204700Member_HaleonPLCMember"
      decimals="4"
      id="h_208_0c7f2336_e532_4148_87c3_51466fcc2750"
      unitRef="pure">0.028</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000204700Member_CieDeSaintGobainSAMember"
      decimals="4"
      id="h_209_54199fba_a73d_4638_a863_9fb038d361c8"
      unitRef="pure">0.025</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000204700Member_IONOSGroupSEMember"
      decimals="4"
      id="h_210_6e1c5f19_c4ac_4854_b68f_8666374f8425"
      unitRef="pure">0.023</oef:PctOfTotalInv>
    <oef:ClassName
      contextRef="D20241001_20250331_C000205597Member"
      id="t_1_2328b5f7_0aa2_a850_921c_cc323a0844da">First Trust Dow Jones International Internet ETF</oef:ClassName>
    <oef:FundName
      contextRef="D20241001_20250331_C000205597Member"
      id="t_2_2e2f7003_2214_6df1_4de0_0a1f110f88d4">First Trust Dow Jones International Internet ETF</oef:FundName>
    <dei:TradingSymbol
      contextRef="D20241001_20250331_C000205597Member"
      id="t_3_bc709ed4_95d9_b803_098b_a2c5cca054f2">FDNI</dei:TradingSymbol>
    <oef:AnnlOrSemiAnnlStatementTextBlock
      contextRef="D20241001_20250331_C000205597Member"
      id="t_4_e570509e_3cf4_3f44_e4cc_b6e627516166">This semi-annual shareholder report contains important information about the First Trust Dow Jones International Internet ETF (the &#x201c;Fund&#x201d;) for the period of October 1, 2024 to March 31, 2025.</oef:AnnlOrSemiAnnlStatementTextBlock>
    <oef:ShareholderReportAnnualOrSemiAnnual
      contextRef="D20241001_20250331_C000205597Member"
      id="t_5_ce116ab0_3610_64e7_58bf_af9f9b35005d">semi-annual shareholder report</oef:ShareholderReportAnnualOrSemiAnnual>
    <oef:AddlInfoTextBlock
      contextRef="D20241001_20250331_C000205597Member"
      id="t_6_c50ed7a7_a6d6_3d6f_b434_81108a3a95a3">You can find additional information about the Fund at &lt;span style="white-space:nowrap;color:rgb(0, 60, 113);text-decoration-line:underline"&gt;www.ftportfolios.com/fund-documents/etf/FDNI&lt;/span&gt;. You can also request this information by contacting us at 1-800-621-1675 or &lt;span style="text-decoration-line:underline;color:rgb(0, 60, 113);font-family:'timesnewrompspro';font-size:9pt"&gt;info@ftportfolios.com&lt;/span&gt;.</oef:AddlInfoTextBlock>
    <oef:AddlInfoWebsite
      contextRef="D20241001_20250331_C000205597Member"
      id="t_7_70206f05_9def_a051_26be_eea1f5492c83">www.ftportfolios.com/fund-documents/etf/FDNI</oef:AddlInfoWebsite>
    <oef:AddlInfoPhoneNumber
      contextRef="D20241001_20250331_C000205597Member"
      id="t_8_40de20fa_717b_6261_b952_31347aad91a5">1-800-621-1675</oef:AddlInfoPhoneNumber>
    <oef:AddlInfoEmail
      contextRef="D20241001_20250331_C000205597Member"
      id="t_9_b225ebf3_f90f_a8ab_8829_abb9e8fedd36">info@ftportfolios.com</oef:AddlInfoEmail>
    <oef:ExpensesTextBlock
      contextRef="D20241001_20250331_C000205597Member"
      id="t_10_290fa74a_e545_6333_7ff0_1f7e4c68b227">&lt;div style="margin-top:0px;font-kerning:none;font-family:'timesnewrompspro';color:rgb(0, 60, 113);font-size:11.52pt;font-weight:bold;margin-bottom:3pt;"&gt;WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS?&lt;/div&gt;&lt;div style="margin-top:0px;margin-bottom:0px;font-kerning:none;font-family:'timesnewrompspro';color:rgb(0, 0, 0);font-size:9pt;"&gt;(Based on a hypothetical $10,000 investment)&lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page"&gt;
&lt;tr style="break-after:avoid;border-bottom-style:solid;border-bottom-width:1pt;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-weight: bold; text-align: left; font-size: 9pt; font-kerning: none; vertical-align: bottom;"&gt;Fund&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-weight: bold; vertical-align: bottom;"&gt;Costs of a $10,000 investment&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-weight: bold; vertical-align: bottom;"&gt;Costs paid as a percentage&lt;br/&gt; of a $10,000 investment&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:initial;border-bottom-style:none;break-inside:avoid-page;height:20pt;border-bottom-color:initial"&gt;
&lt;td style="break-inside: avoid-page; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-kerning: none; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; vertical-align: bottom;"&gt;First Trust Dow Jones International Internet ETF&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; vertical-align: bottom;"&gt;&lt;span style="float:none"&gt;$&lt;/span&gt;33&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; vertical-align: bottom;"&gt;0.65&lt;span&gt;%&lt;/span&gt;&lt;sup style="vertical-align:3.2pt;line-height:0px"&gt;(1)&lt;/sup&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page"&gt;
&lt;tr style="border-bottom-width:initial;border-bottom-style:none;break-inside:avoid-page;height:9pt;border-bottom-color:initial"&gt;
&lt;td style="break-inside: avoid-page; font-kerning: none; padding-top: 0; padding-right: 0; padding-bottom: 0; padding-left: 0; font-family: 'TimesNewRomPSPro'; font-style: normal; font-size: 7.5pt; color: rgb(0, 0, 0); text-align: left; width: 1.8em; vertical-align: top;"&gt;
&lt;div style="font-kerning:none;font-family:'timesnewrompspro';color:rgb(0, 0, 0);font-size:7.5pt;margin-top:0px;margin-bottom:0px;"&gt;&#x200b;&lt;sup style="vertical-align:3.2pt;line-height:0px"&gt;(1)&lt;/sup&gt;&lt;/div&gt;&lt;/td&gt;
&lt;td style="break-inside: avoid-page; padding-top: 3px; padding-right: 0; padding-bottom: 0; padding-left: 0; font-family: 'TimesNewRomPSPro'; font-style: normal; font-size: 7.5pt; color: rgb(0, 0, 0); text-align: left; vertical-align: top;"&gt;
&lt;div style="font-kerning:none;font-family:'timesnewrompspro';color:rgb(0, 0, 0);font-size:7.5pt;margin-top:0px;margin-bottom:0px;"&gt;Annualized.&lt;/div&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;</oef:ExpensesTextBlock>
    <oef:ExpensesPaidAmt
      contextRef="D20241001_20250331_C000205597Member"
      decimals="INF"
      id="h_211_b3dddfb3_6ea4_4b01_92b9_824e7bbcb27f"
      unitRef="USD">33</oef:ExpensesPaidAmt>
    <oef:ExpenseRatioPct
      contextRef="D20241001_20250331_C000205597Member"
      decimals="4"
      id="h_212_48f3fa36_ed60_4dac_ba13_79eca465031a"
      unitRef="pure">0.0065</oef:ExpenseRatioPct>
    <oef:AddlFundStatisticsTextBlock
      contextRef="D20241001_20250331_C000205597Member"
      id="t_11_0aba7acb_5247_b1ca_c5fe_354d2f8ec84e">&lt;div style="font-kerning:none;font-family:'timesnewrompspro';color:rgb(0, 60, 113);font-size:11.52pt;font-weight:bold;margin-bottom:3pt;margin-top:10pt;"&gt;KEY FUND STATISTICS (As of March 31, 2025)&lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page"&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-kerning: none; color: rgb(0, 0, 0); font-size: 9pt; font-weight: bold; text-align: left; width: 60%; font-family: 'TimesNewRomPSPro'; font-style: normal;"&gt;Fund net assets&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt;"&gt;&lt;span style="float:none"&gt;$&lt;/span&gt;38,617,285&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-kerning: none; color: rgb(0, 0, 0); font-size: 9pt; font-weight: bold; text-align: left; width: 60%; font-family: 'TimesNewRomPSPro'; font-style: normal;"&gt;Total number of portfolio holdings&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt;"&gt;40&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:initial;border-bottom-style:none;break-inside:avoid-page;height:20pt;border-bottom-color:initial"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-kerning: none; color: rgb(0, 0, 0); font-size: 9pt; font-weight: bold; text-align: left; width: 60%; font-family: 'TimesNewRomPSPro'; font-style: normal;"&gt;Portfolio turnover rate&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt;"&gt;20&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;</oef:AddlFundStatisticsTextBlock>
    <us-gaap:AssetsNet
      contextRef="TI20250331_C000205597Member"
      decimals="INF"
      id="h_213_4359a0c8_a938_4ff4_91d0_b483b99c18d0"
      unitRef="USD">38617285</us-gaap:AssetsNet>
    <oef:HoldingsCount
      contextRef="TI20250331_C000205597Member"
      decimals="INF"
      id="h_214_51df3139_8571_42cf_8750_6ca6d73fc90e"
      unitRef="Holding">40</oef:HoldingsCount>
    <us-gaap:InvestmentCompanyPortfolioTurnover
      contextRef="D20241001_20250331_C000205597Member"
      decimals="4"
      id="h_215_8153b264_b380_4d6a_a80a_8551cf9c7120"
      unitRef="pure">0.20</us-gaap:InvestmentCompanyPortfolioTurnover>
    <oef:HoldingsTableTextBlock
      contextRef="D20241001_20250331_C000205597Member"
      id="t_12_74b916b0_085d_13fb_4e45_c4393c1ab6de">&lt;div style="margin-top:0px;font-kerning:none;font-family:'timesnewrompspro';color:rgb(0, 60, 113);font-size:11.52pt;font-weight:bold;margin-bottom:3pt;"&gt;WHAT DID THE FUND INVEST IN? (As of March 31, 2025)&lt;/div&gt;&lt;div style="margin-top:0px;font-family:'timesnewrompspro';color:rgb(0, 0, 0);font-size:9pt;margin-bottom:10pt;font-kerning:none;"&gt;The tables below show the investment makeup of the Fund, representing the percentage of total investments of the Fund.&lt;/div&gt;&lt;div style="border-bottom-width:1pt;border-bottom-style:solid;font-kerning:none;font-family:'timesnewrompspro';color:rgb(0, 0, 0);letter-spacing:1.25px;text-transform:uppercase;font-size:9pt;border-bottom-color:rgb(0, 0, 0);text-align:center;padding-bottom:5pt;margin-top:5pt;font-weight:bold;margin-bottom:0px;"&gt; &lt;b&gt;Top Ten Holdings&lt;/b&gt; &lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page"&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Tencent Holdings Ltd.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;10.2&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Alibaba Group Holding Ltd.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;10.1&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Shopify, Inc., Class A&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;9.0&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Meituan, Class B&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;8.7&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Spotify Technology S.A.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;4.9&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;JD.com, Inc., Class A&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;4.8&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Prosus N.V.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;4.8&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;PDD Holdings, Inc., ADR&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;4.7&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Naspers Ltd., Class N&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;4.6&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:initial;border-bottom-style:none;break-inside:avoid-page;height:20pt;border-bottom-color:initial"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Adyen N.V.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;4.3&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;&lt;div style="border-bottom-width:1pt;border-bottom-style:solid;font-kerning:none;font-family:'timesnewrompspro';color:rgb(0, 0, 0);letter-spacing:1.25px;text-transform:uppercase;font-size:9pt;border-bottom-color:rgb(0, 0, 0);text-align:center;padding-bottom:5pt;margin-bottom:5pt;font-weight:bold;margin-top:3pt;"&gt; &lt;b&gt;Sector Allocation&lt;/b&gt; &lt;/div&gt;&lt;div style="padding-left:10pt;padding-right:0px;"&gt; &lt;img alt="Graphical Representation - Allocation 2 Chart" src="chartimages_9832826.jpg" style="width: 172.8pt;"/&gt;  &lt;/div&gt;</oef:HoldingsTableTextBlock>
    <oef:LargestHoldingsTableTextBlock
      contextRef="D20241001_20250331_C000205597Member"
      id="t_13_76636552_b70b_8dc8_83a5_eedf8c5341be">&lt;div style="border-bottom-width:1pt;border-bottom-style:solid;font-kerning:none;font-family:'timesnewrompspro';color:rgb(0, 0, 0);letter-spacing:1.25px;text-transform:uppercase;font-size:9pt;border-bottom-color:rgb(0, 0, 0);text-align:center;padding-bottom:5pt;margin-top:5pt;font-weight:bold;margin-bottom:0px;"&gt; &lt;b&gt;Top Ten Holdings&lt;/b&gt; &lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page"&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Tencent Holdings Ltd.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;10.2&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Alibaba Group Holding Ltd.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;10.1&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Shopify, Inc., Class A&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;9.0&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Meituan, Class B&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;8.7&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Spotify Technology S.A.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;4.9&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;JD.com, Inc., Class A&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;4.8&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Prosus N.V.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;4.8&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;PDD Holdings, Inc., ADR&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;4.7&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Naspers Ltd., Class N&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;4.6&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:initial;border-bottom-style:none;break-inside:avoid-page;height:20pt;border-bottom-color:initial"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Adyen N.V.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;4.3&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;</oef:LargestHoldingsTableTextBlock>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000205597Member_TencentHoldingsLtdMember"
      decimals="4"
      id="h_216_a15a83b1_14a1_4e65_8a0c_60b465c15dd0"
      unitRef="pure">0.102</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000205597Member_AlibabaGroupHoldingLtdMember"
      decimals="4"
      id="h_217_e6108d5f_5571_4d85_86bc_1f86940776a9"
      unitRef="pure">0.101</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000205597Member_ShopifyIncClassAMember"
      decimals="4"
      id="h_218_c081a6b4_8810_406e_80a5_1158bfa83ac8"
      unitRef="pure">0.090</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000205597Member_MeituanClassBMember"
      decimals="4"
      id="h_219_976eba7f_3d41_4896_80ef_c63e6e6e4ab6"
      unitRef="pure">0.087</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000205597Member_SpotifyTechnologySAMember"
      decimals="4"
      id="h_220_c23ca3b1_c3bd_4cc0_be24_a535716ac915"
      unitRef="pure">0.049</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000205597Member_JDComIncClassAMember"
      decimals="4"
      id="h_221_8e09af30_909b_4588_97d5_95829ea2dda6"
      unitRef="pure">0.048</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000205597Member_ProsusNVMember"
      decimals="4"
      id="h_222_9cbde3e6_a759_4c7e_ad15_10689bc18654"
      unitRef="pure">0.048</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000205597Member_PDDHoldingsIncADRMember"
      decimals="4"
      id="h_223_71863e13_f5b5_488d_9cbf_71e2f304a601"
      unitRef="pure">0.047</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000205597Member_NaspersLtdClassNMember"
      decimals="4"
      id="h_224_57f111f6_5a48_4cc4_bc7d_15a3f2de68b4"
      unitRef="pure">0.046</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000205597Member_AdyenNVMember"
      decimals="4"
      id="h_225_0646d5b4_7fc6_4905_a3fa_4ec07c21cce4"
      unitRef="pure">0.043</oef:PctOfTotalInv>
    <oef:ClassName
      contextRef="D20241001_20250331_C000240529Member"
      id="t_1_f5f45212_2fbe_0cb0_e732_83a5af045ccd">First Trust Bloomberg Emerging Market Democracies ETF</oef:ClassName>
    <oef:FundName
      contextRef="D20241001_20250331_C000240529Member"
      id="t_2_c30c884d_39e6_33f6_27c2_c37e8b1b1b14">First Trust Bloomberg Emerging Market Democracies ETF</oef:FundName>
    <dei:TradingSymbol
      contextRef="D20241001_20250331_C000240529Member"
      id="t_3_f7d74218_b6e6_ca98_f5b4_d170e18ea612">EMDM</dei:TradingSymbol>
    <oef:AnnlOrSemiAnnlStatementTextBlock
      contextRef="D20241001_20250331_C000240529Member"
      id="t_4_d60a5a6f_a036_3bb2_5f12_bd64293e08f0">This semi-annual shareholder report contains important information about the First Trust Bloomberg Emerging Market Democracies ETF (the &#x201c;Fund&#x201d;) for the period of October 1, 2024 to March 31, 2025.</oef:AnnlOrSemiAnnlStatementTextBlock>
    <oef:ShareholderReportAnnualOrSemiAnnual
      contextRef="D20241001_20250331_C000240529Member"
      id="t_5_b6c3814a_7aef_7c30_3939_11e7da0e3d34">semi-annual shareholder report</oef:ShareholderReportAnnualOrSemiAnnual>
    <oef:AddlInfoTextBlock
      contextRef="D20241001_20250331_C000240529Member"
      id="t_6_5d665070_dfcf_da49_edd0_adecb3b28ff6">You can find additional information about the Fund at &lt;span style="white-space:nowrap;color:rgb(0, 60, 113);text-decoration-line:underline"&gt;www.ftportfolios.com/fund-documents/etf/EMDM&lt;/span&gt;. You can also request this information by contacting us at 1-800-621-1675 or &lt;span style="text-decoration-line:underline;color:rgb(0, 60, 113);font-family:'timesnewrompspro';font-size:9pt"&gt;info@ftportfolios.com&lt;/span&gt;.</oef:AddlInfoTextBlock>
    <oef:AddlInfoWebsite
      contextRef="D20241001_20250331_C000240529Member"
      id="t_7_599ae9f1_a1cd_8861_7ef8_a1af85b2ccce">www.ftportfolios.com/fund-documents/etf/EMDM</oef:AddlInfoWebsite>
    <oef:AddlInfoPhoneNumber
      contextRef="D20241001_20250331_C000240529Member"
      id="t_8_37b81c71_0a0f_37e6_5695_cece51f929be">1-800-621-1675</oef:AddlInfoPhoneNumber>
    <oef:AddlInfoEmail
      contextRef="D20241001_20250331_C000240529Member"
      id="t_9_1174aaef_9d2a_1bb9_fe26_a23f486833cf">info@ftportfolios.com</oef:AddlInfoEmail>
    <oef:ExpensesTextBlock
      contextRef="D20241001_20250331_C000240529Member"
      id="t_10_fc8f8628_e333_20c1_cad4_6680cdedbc2f">&lt;div style="margin-top:0px;font-kerning:none;font-family:'timesnewrompspro';color:rgb(0, 60, 113);font-size:11.52pt;font-weight:bold;margin-bottom:3pt;"&gt;WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS?&lt;/div&gt;&lt;div style="margin-top:0px;margin-bottom:0px;font-kerning:none;font-family:'timesnewrompspro';color:rgb(0, 0, 0);font-size:9pt;"&gt;(Based on a hypothetical $10,000 investment)&lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page"&gt;
&lt;tr style="break-after:avoid;border-bottom-style:solid;border-bottom-width:1pt;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-weight: bold; text-align: left; font-size: 9pt; font-kerning: none; vertical-align: bottom;"&gt;Fund&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-weight: bold; vertical-align: bottom;"&gt;Costs of a $10,000 investment&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-weight: bold; vertical-align: bottom;"&gt;Costs paid as a percentage&lt;br/&gt; of a $10,000 investment&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:initial;border-bottom-style:none;break-inside:avoid-page;height:20pt;border-bottom-color:initial"&gt;
&lt;td style="break-inside: avoid-page; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-kerning: none; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; vertical-align: bottom;"&gt;First Trust Bloomberg Emerging Market Democracies ETF&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; vertical-align: bottom;"&gt;&lt;span style="float:none"&gt;$&lt;/span&gt;37&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; vertical-align: bottom;"&gt;0.75&lt;span&gt;%&lt;/span&gt;&lt;sup style="vertical-align:3.2pt;line-height:0px"&gt;(1)&lt;/sup&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page"&gt;
&lt;tr style="border-bottom-width:initial;border-bottom-style:none;break-inside:avoid-page;height:9pt;border-bottom-color:initial"&gt;
&lt;td style="break-inside: avoid-page; font-kerning: none; padding-top: 0; padding-right: 0; padding-bottom: 0; padding-left: 0; font-family: 'TimesNewRomPSPro'; font-style: normal; font-size: 7.5pt; color: rgb(0, 0, 0); text-align: left; width: 1.8em; vertical-align: top;"&gt;
&lt;div style="font-kerning:none;font-family:'timesnewrompspro';color:rgb(0, 0, 0);font-size:7.5pt;margin-top:0px;margin-bottom:0px;"&gt;&#x200b;&lt;sup style="vertical-align:3.2pt;line-height:0px"&gt;(1)&lt;/sup&gt;&lt;/div&gt;&lt;/td&gt;
&lt;td style="break-inside: avoid-page; padding-top: 3px; padding-right: 0; padding-bottom: 0; padding-left: 0; font-family: 'TimesNewRomPSPro'; font-style: normal; font-size: 7.5pt; color: rgb(0, 0, 0); text-align: left; vertical-align: top;"&gt;
&lt;div style="font-kerning:none;font-family:'timesnewrompspro';color:rgb(0, 0, 0);font-size:7.5pt;margin-top:0px;margin-bottom:0px;"&gt;Annualized.&lt;/div&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;</oef:ExpensesTextBlock>
    <oef:ExpensesPaidAmt
      contextRef="D20241001_20250331_C000240529Member"
      decimals="INF"
      id="h_226_c4be7e2d_57fb_4e4b_80f9_8475abbb95e3"
      unitRef="USD">37</oef:ExpensesPaidAmt>
    <oef:ExpenseRatioPct
      contextRef="D20241001_20250331_C000240529Member"
      decimals="4"
      id="h_227_42777b00_542f_4797_adeb_efd4e61c9215"
      unitRef="pure">0.0075</oef:ExpenseRatioPct>
    <oef:AddlFundStatisticsTextBlock
      contextRef="D20241001_20250331_C000240529Member"
      id="t_11_9dedb07e_0947_7c9d_1969_19bc7d93ce77">&lt;div style="font-kerning:none;font-family:'timesnewrompspro';color:rgb(0, 60, 113);font-size:11.52pt;font-weight:bold;margin-bottom:3pt;margin-top:10pt;"&gt;KEY FUND STATISTICS (As of March 31, 2025)&lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page"&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-kerning: none; color: rgb(0, 0, 0); font-size: 9pt; font-weight: bold; text-align: left; width: 60%; font-family: 'TimesNewRomPSPro'; font-style: normal;"&gt;Fund net assets&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt;"&gt;&lt;span style="float:none"&gt;$&lt;/span&gt;7,589,704&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-kerning: none; color: rgb(0, 0, 0); font-size: 9pt; font-weight: bold; text-align: left; width: 60%; font-family: 'TimesNewRomPSPro'; font-style: normal;"&gt;Total number of portfolio holdings&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt;"&gt;101&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:initial;border-bottom-style:none;break-inside:avoid-page;height:20pt;border-bottom-color:initial"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-kerning: none; color: rgb(0, 0, 0); font-size: 9pt; font-weight: bold; text-align: left; width: 60%; font-family: 'TimesNewRomPSPro'; font-style: normal;"&gt;Portfolio turnover rate&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt;"&gt;10&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;</oef:AddlFundStatisticsTextBlock>
    <us-gaap:AssetsNet
      contextRef="TI20250331_C000240529Member"
      decimals="INF"
      id="h_228_09707d0d_f17e_47c0_8551_c649bd541556"
      unitRef="USD">7589704</us-gaap:AssetsNet>
    <oef:HoldingsCount
      contextRef="TI20250331_C000240529Member"
      decimals="INF"
      id="h_229_01af5bf5_5c84_41c4_84f8_35fddda45c9c"
      unitRef="Holding">101</oef:HoldingsCount>
    <us-gaap:InvestmentCompanyPortfolioTurnover
      contextRef="D20241001_20250331_C000240529Member"
      decimals="4"
      id="h_230_3c49bd2f_c627_4e1a_8968_e85826d4464c"
      unitRef="pure">0.10</us-gaap:InvestmentCompanyPortfolioTurnover>
    <oef:HoldingsTableTextBlock
      contextRef="D20241001_20250331_C000240529Member"
      id="t_12_40bbd8ea_7791_be0e_4896_14052e1067be">&lt;div style="margin-top:0px;font-kerning:none;font-family:'timesnewrompspro';color:rgb(0, 60, 113);font-size:11.52pt;font-weight:bold;margin-bottom:3pt;"&gt;WHAT DID THE FUND INVEST IN? (As of March 31, 2025)&lt;/div&gt;&lt;div style="margin-top:0px;font-family:'timesnewrompspro';color:rgb(0, 0, 0);font-size:9pt;margin-bottom:10pt;font-kerning:none;"&gt;The tables below show the investment makeup of the Fund, representing the percentage of total investments of the Fund.&lt;/div&gt;&lt;div style="border-bottom-width:1pt;border-bottom-style:solid;font-kerning:none;font-family:'timesnewrompspro';color:rgb(0, 0, 0);letter-spacing:1.25px;text-transform:uppercase;font-size:9pt;border-bottom-color:rgb(0, 0, 0);text-align:center;padding-bottom:5pt;margin-top:5pt;font-weight:bold;margin-bottom:0px;"&gt; &lt;b&gt;Top Ten Holdings&lt;/b&gt; &lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page"&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Taiwan Semiconductor Manufacturing Co., Ltd.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;10.1&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Samsung Electronics Co., Ltd.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;6.5&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Naspers Ltd., Class N&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;6.5&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Grupo Mexico S.A.B. de C.V., Series B&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;4.1&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Powszechna Kasa Oszczednosci Bank Polski S.A.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;3.8&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Petroleo Brasileiro S.A.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;3.6&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;FirstRand Ltd.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;3.2&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;OTP Bank Nyrt&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;3.2&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Standard Bank Group Ltd.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;2.9&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:initial;border-bottom-style:none;break-inside:avoid-page;height:20pt;border-bottom-color:initial"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Fomento Economico Mexicano S.A.B. de C.V., Series UBD&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;2.6&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;&lt;div style="border-bottom-width:1pt;border-bottom-style:solid;font-kerning:none;font-family:'timesnewrompspro';color:rgb(0, 0, 0);letter-spacing:1.25px;text-transform:uppercase;font-size:9pt;border-bottom-color:rgb(0, 0, 0);text-align:center;padding-bottom:5pt;margin-bottom:5pt;font-weight:bold;margin-top:3pt;"&gt; &lt;b&gt;Sector Allocation&lt;/b&gt; &lt;/div&gt;&lt;div style="padding-left:10pt;padding-right:0px;"&gt; &lt;img alt="Graphical Representation - Allocation 2 Chart" src="chartimages_9833498.jpg" style="width: 172.8pt;"/&gt;  &lt;/div&gt;</oef:HoldingsTableTextBlock>
    <oef:LargestHoldingsTableTextBlock
      contextRef="D20241001_20250331_C000240529Member"
      id="t_13_25412d96_a8b7_7770_a666_6d35086383dd">&lt;div style="border-bottom-width:1pt;border-bottom-style:solid;font-kerning:none;font-family:'timesnewrompspro';color:rgb(0, 0, 0);letter-spacing:1.25px;text-transform:uppercase;font-size:9pt;border-bottom-color:rgb(0, 0, 0);text-align:center;padding-bottom:5pt;margin-top:5pt;font-weight:bold;margin-bottom:0px;"&gt; &lt;b&gt;Top Ten Holdings&lt;/b&gt; &lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page"&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Taiwan Semiconductor Manufacturing Co., Ltd.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;10.1&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Samsung Electronics Co., Ltd.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;6.5&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Naspers Ltd., Class N&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;6.5&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Grupo Mexico S.A.B. de C.V., Series B&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;4.1&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Powszechna Kasa Oszczednosci Bank Polski S.A.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;3.8&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Petroleo Brasileiro S.A.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;3.6&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;FirstRand Ltd.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;3.2&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;OTP Bank Nyrt&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;3.2&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Standard Bank Group Ltd.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;2.9&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:initial;border-bottom-style:none;break-inside:avoid-page;height:20pt;border-bottom-color:initial"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Fomento Economico Mexicano S.A.B. de C.V., Series UBD&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;2.6&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;</oef:LargestHoldingsTableTextBlock>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000240529Member_TaiwanSemiconductorManufacturingCoLtdMember"
      decimals="4"
      id="h_231_85bb01da_9555_44e1_bf0b_4bef7ff3e57b"
      unitRef="pure">0.101</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000240529Member_SamsungElectronicsCoLtdMember"
      decimals="4"
      id="h_232_59816aea_d0a4_4d8f_b06b_c35e9c86c177"
      unitRef="pure">0.065</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000240529Member_NaspersLtdClassNMember"
      decimals="4"
      id="h_233_ad57daf1_df46_4819_bcbf_e433e49562e8"
      unitRef="pure">0.065</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000240529Member_GrupoMexicoSABDeCVSeriesBMember"
      decimals="4"
      id="h_234_6be59398_9747_4d96_ac49_5aed10303f90"
      unitRef="pure">0.041</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000240529Member_PowszechnaKasaOszczednosciBankPolskiSAMember"
      decimals="4"
      id="h_235_7fc8975c_60ca_464a_8f08_e406d9d37baf"
      unitRef="pure">0.038</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000240529Member_PetroleoBrasileiroSAMember"
      decimals="4"
      id="h_236_70980649_f28c_4efa_87a3_5865a816e427"
      unitRef="pure">0.036</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000240529Member_FirstRandLtdMember"
      decimals="4"
      id="h_237_143aaf08_bdfc_4026_8ebb_64fdaa596577"
      unitRef="pure">0.032</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000240529Member_OTPBankNyrtMember"
      decimals="4"
      id="h_238_22f9ac43_5558_4513_9d6e_2ca70336727f"
      unitRef="pure">0.032</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000240529Member_StandardBankGroupLtdMember"
      decimals="4"
      id="h_239_9f67b0b7_4a3e_4aff_a3ec_d0c1be6e3583"
      unitRef="pure">0.029</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000240529Member_FomentoEconomicoMexicanoSABDeCVSeriesUBDMember"
      decimals="4"
      id="h_240_51568355_5f1f_463c_958b_e7ebf48c2614"
      unitRef="pure">0.026</oef:PctOfTotalInv>
    <oef:ClassName
      contextRef="D20241001_20250331_C000245005Member"
      id="t_1_485ecf31_c2a2_1a68_063a_b08f90de4fb2">First Trust Emerging Markets Human Flourishing ETF</oef:ClassName>
    <oef:FundName
      contextRef="D20241001_20250331_C000245005Member"
      id="t_2_3d77fc33_b885_062a_2a5c_1790ea61ae49">First Trust Emerging Markets Human Flourishing ETF</oef:FundName>
    <dei:TradingSymbol
      contextRef="D20241001_20250331_C000245005Member"
      id="t_3_37fa6df9_bcad_68ea_498c_ad4d42b789f0">FTHF</dei:TradingSymbol>
    <oef:AnnlOrSemiAnnlStatementTextBlock
      contextRef="D20241001_20250331_C000245005Member"
      id="t_4_6ca65e67_0524_6be1_dd3e_37b21209b61f">This semi-annual shareholder report contains important information about the First Trust Emerging Markets Human Flourishing ETF (the &#x201c;Fund&#x201d;) for the period of October 1, 2024 to March 31, 2025.</oef:AnnlOrSemiAnnlStatementTextBlock>
    <oef:ShareholderReportAnnualOrSemiAnnual
      contextRef="D20241001_20250331_C000245005Member"
      id="t_5_b48fd523_ef98_7b18_5b60_6567c34accb6">semi-annual shareholder report</oef:ShareholderReportAnnualOrSemiAnnual>
    <oef:AddlInfoTextBlock
      contextRef="D20241001_20250331_C000245005Member"
      id="t_6_a24772dc_f75a_5470_a9c4_bb5ae8d8c958">You can find additional information about the Fund at &lt;span style="white-space:nowrap;color:rgb(0, 60, 113);text-decoration-line:underline"&gt;www.ftportfolios.com/fund-documents/etf/FTHF&lt;/span&gt;. You can also request this information by contacting us at 1-800-621-1675 or &lt;span style="text-decoration-line:underline;color:rgb(0, 60, 113);font-family:'timesnewrompspro';font-size:9pt"&gt;info@ftportfolios.com&lt;/span&gt;.</oef:AddlInfoTextBlock>
    <oef:AddlInfoWebsite
      contextRef="D20241001_20250331_C000245005Member"
      id="t_7_a0f9cb94_542e_0569_c88f_6950f7afc87c">www.ftportfolios.com/fund-documents/etf/FTHF</oef:AddlInfoWebsite>
    <oef:AddlInfoPhoneNumber
      contextRef="D20241001_20250331_C000245005Member"
      id="t_8_44b36d53_c7f1_fa89_679e_58811d8b9470">1-800-621-1675</oef:AddlInfoPhoneNumber>
    <oef:AddlInfoEmail
      contextRef="D20241001_20250331_C000245005Member"
      id="t_9_33f28c77_94be_db2c_339d_6420bc40fb07">info@ftportfolios.com</oef:AddlInfoEmail>
    <oef:ExpensesTextBlock
      contextRef="D20241001_20250331_C000245005Member"
      id="t_10_e097c5ef_0487_11df_fc88_3c849f16b8c4">&lt;div style="margin-top:0px;font-kerning:none;font-family:'timesnewrompspro';color:rgb(0, 60, 113);font-size:11.52pt;font-weight:bold;margin-bottom:3pt;"&gt;WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS?&lt;/div&gt;&lt;div style="margin-top:0px;margin-bottom:0px;font-kerning:none;font-family:'timesnewrompspro';color:rgb(0, 0, 0);font-size:9pt;"&gt;(Based on a hypothetical $10,000 investment)&lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page"&gt;
&lt;tr style="break-after:avoid;border-bottom-style:solid;border-bottom-width:1pt;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-weight: bold; text-align: left; font-size: 9pt; font-kerning: none; vertical-align: bottom;"&gt;Fund&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-weight: bold; vertical-align: bottom;"&gt;Costs of a $10,000 investment&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-weight: bold; vertical-align: bottom;"&gt;Costs paid as a percentage&lt;br/&gt; of a $10,000 investment&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:initial;border-bottom-style:none;break-inside:avoid-page;height:20pt;border-bottom-color:initial"&gt;
&lt;td style="break-inside: avoid-page; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-kerning: none; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; vertical-align: bottom;"&gt;First Trust Emerging Markets Human Flourishing ETF&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; vertical-align: bottom;"&gt;&lt;span style="float:none"&gt;$&lt;/span&gt;37&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; vertical-align: bottom;"&gt;0.75&lt;span&gt;%&lt;/span&gt;&lt;sup style="vertical-align:3.2pt;line-height:0px"&gt;(1)&lt;/sup&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page"&gt;
&lt;tr style="border-bottom-width:initial;border-bottom-style:none;break-inside:avoid-page;height:9pt;border-bottom-color:initial"&gt;
&lt;td style="break-inside: avoid-page; font-kerning: none; padding-top: 0; padding-right: 0; padding-bottom: 0; padding-left: 0; font-family: 'TimesNewRomPSPro'; font-style: normal; font-size: 7.5pt; color: rgb(0, 0, 0); text-align: left; width: 1.8em; vertical-align: top;"&gt;
&lt;div style="font-kerning:none;font-family:'timesnewrompspro';color:rgb(0, 0, 0);font-size:7.5pt;margin-top:0px;margin-bottom:0px;"&gt;&#x200b;&lt;sup style="vertical-align:3.2pt;line-height:0px"&gt;(1)&lt;/sup&gt;&lt;/div&gt;&lt;/td&gt;
&lt;td style="break-inside: avoid-page; padding-top: 3px; padding-right: 0; padding-bottom: 0; padding-left: 0; font-family: 'TimesNewRomPSPro'; font-style: normal; font-size: 7.5pt; color: rgb(0, 0, 0); text-align: left; vertical-align: top;"&gt;
&lt;div style="font-kerning:none;font-family:'timesnewrompspro';color:rgb(0, 0, 0);font-size:7.5pt;margin-top:0px;margin-bottom:0px;"&gt;Annualized.&lt;/div&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;</oef:ExpensesTextBlock>
    <oef:ExpensesPaidAmt
      contextRef="D20241001_20250331_C000245005Member"
      decimals="INF"
      id="h_241_8a9cb0ca_8dc6_4642_828e_f9b1229ef593"
      unitRef="USD">37</oef:ExpensesPaidAmt>
    <oef:ExpenseRatioPct
      contextRef="D20241001_20250331_C000245005Member"
      decimals="4"
      id="h_242_84377dff_3a43_4172_a18f_26dcce96ef17"
      unitRef="pure">0.0075</oef:ExpenseRatioPct>
    <oef:AddlFundStatisticsTextBlock
      contextRef="D20241001_20250331_C000245005Member"
      id="t_11_08d0c84d_08c2_20ae_507e_c6d43678d9db">&lt;div style="font-kerning:none;font-family:'timesnewrompspro';color:rgb(0, 60, 113);font-size:11.52pt;font-weight:bold;margin-bottom:3pt;margin-top:10pt;"&gt;KEY FUND STATISTICS (As of March 31, 2025)&lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page"&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-kerning: none; color: rgb(0, 0, 0); font-size: 9pt; font-weight: bold; text-align: left; width: 60%; font-family: 'TimesNewRomPSPro'; font-style: normal;"&gt;Fund net assets&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt;"&gt;&lt;span style="float:none"&gt;$&lt;/span&gt;39,304,193&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-kerning: none; color: rgb(0, 0, 0); font-size: 9pt; font-weight: bold; text-align: left; width: 60%; font-family: 'TimesNewRomPSPro'; font-style: normal;"&gt;Total number of portfolio holdings&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt;"&gt;101&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:initial;border-bottom-style:none;break-inside:avoid-page;height:20pt;border-bottom-color:initial"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-kerning: none; color: rgb(0, 0, 0); font-size: 9pt; font-weight: bold; text-align: left; width: 60%; font-family: 'TimesNewRomPSPro'; font-style: normal;"&gt;Portfolio turnover rate&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt;"&gt;20&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;</oef:AddlFundStatisticsTextBlock>
    <us-gaap:AssetsNet
      contextRef="TI20250331_C000245005Member"
      decimals="INF"
      id="h_243_f94dfb0e_e5d2_4135_b3bd_bc14825066ab"
      unitRef="USD">39304193</us-gaap:AssetsNet>
    <oef:HoldingsCount
      contextRef="TI20250331_C000245005Member"
      decimals="INF"
      id="h_244_d8871344_5176_4b95_a9b7_06fb14391489"
      unitRef="Holding">101</oef:HoldingsCount>
    <us-gaap:InvestmentCompanyPortfolioTurnover
      contextRef="D20241001_20250331_C000245005Member"
      decimals="4"
      id="h_245_94807331_f25f_4714_9467_4f79a4612bdf"
      unitRef="pure">0.20</us-gaap:InvestmentCompanyPortfolioTurnover>
    <oef:HoldingsTableTextBlock
      contextRef="D20241001_20250331_C000245005Member"
      id="t_12_5769841b_e6f5_4aba_f2c6_0bd13e5aa6c2">&lt;div style="margin-top:0px;font-kerning:none;font-family:'timesnewrompspro';color:rgb(0, 60, 113);font-size:11.52pt;font-weight:bold;margin-bottom:3pt;"&gt;WHAT DID THE FUND INVEST IN? (As of March 31, 2025)&lt;/div&gt;&lt;div style="margin-top:0px;font-family:'timesnewrompspro';color:rgb(0, 0, 0);font-size:9pt;margin-bottom:10pt;font-kerning:none;"&gt;The tables below show the investment makeup of the Fund, representing the percentage of total investments of the Fund.&lt;/div&gt;&lt;div style="border-bottom-width:1pt;border-bottom-style:solid;font-kerning:none;font-family:'timesnewrompspro';color:rgb(0, 0, 0);letter-spacing:1.25px;text-transform:uppercase;font-size:9pt;border-bottom-color:rgb(0, 0, 0);text-align:center;padding-bottom:5pt;margin-top:5pt;font-weight:bold;margin-bottom:0px;"&gt; &lt;b&gt;Top Ten Holdings&lt;/b&gt; &lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page"&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Taiwan Semiconductor Manufacturing Co., Ltd.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;7.8&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Samsung Electronics Co., Ltd.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;7.1&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Gold Fields Ltd.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;4.3&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Itau Unibanco Holding S.A.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;3.6&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Wal-Mart de Mexico S.A.B. de C.V.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;3.3&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;WEG S.A.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;2.8&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;ORLEN S.A.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;2.4&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Grupo Financiero Banorte S.A.B. de C.V., Class O&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;2.3&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;FirstRand Ltd.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;2.1&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:initial;border-bottom-style:none;break-inside:avoid-page;height:20pt;border-bottom-color:initial"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Powszechna Kasa Oszczednosci Bank Polski S.A.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;1.9&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;&lt;div style="border-bottom-width:1pt;border-bottom-style:solid;font-kerning:none;font-family:'timesnewrompspro';color:rgb(0, 0, 0);letter-spacing:1.25px;text-transform:uppercase;font-size:9pt;border-bottom-color:rgb(0, 0, 0);text-align:center;padding-bottom:5pt;margin-bottom:5pt;font-weight:bold;margin-top:3pt;"&gt; &lt;b&gt;Sector Allocation&lt;/b&gt; &lt;/div&gt;&lt;div style="padding-left:10pt;padding-right:0px;"&gt; &lt;img alt="Graphical Representation - Allocation 2 Chart" src="chartimages_9833540.jpg" style="width: 172.8pt;"/&gt;  &lt;/div&gt;</oef:HoldingsTableTextBlock>
    <oef:LargestHoldingsTableTextBlock
      contextRef="D20241001_20250331_C000245005Member"
      id="t_13_e73e694e_12a2_fcaf_9fc9_a679c0923f9c">&lt;div style="border-bottom-width:1pt;border-bottom-style:solid;font-kerning:none;font-family:'timesnewrompspro';color:rgb(0, 0, 0);letter-spacing:1.25px;text-transform:uppercase;font-size:9pt;border-bottom-color:rgb(0, 0, 0);text-align:center;padding-bottom:5pt;margin-top:5pt;font-weight:bold;margin-bottom:0px;"&gt; &lt;b&gt;Top Ten Holdings&lt;/b&gt; &lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page"&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Taiwan Semiconductor Manufacturing Co., Ltd.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;7.8&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Samsung Electronics Co., Ltd.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;7.1&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Gold Fields Ltd.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;4.3&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Itau Unibanco Holding S.A.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;3.6&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Wal-Mart de Mexico S.A.B. de C.V.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;3.3&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;WEG S.A.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;2.8&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;ORLEN S.A.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;2.4&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Grupo Financiero Banorte S.A.B. de C.V., Class O&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;2.3&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;FirstRand Ltd.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;2.1&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:initial;border-bottom-style:none;break-inside:avoid-page;height:20pt;border-bottom-color:initial"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Powszechna Kasa Oszczednosci Bank Polski S.A.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;1.9&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;</oef:LargestHoldingsTableTextBlock>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000245005Member_TaiwanSemiconductorManufacturingCoLtdADRMember"
      decimals="4"
      id="h_246_1d69f91d_d734_4081_b6ab_82b0417af351"
      unitRef="pure">0.078</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000245005Member_SamsungElectronicsCoLtdMember"
      decimals="4"
      id="h_247_b43ae89e_dda5_4f90_ad90_ec43b6e343d8"
      unitRef="pure">0.071</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000245005Member_GoldFieldsLtdMember"
      decimals="4"
      id="h_248_7dad0072_3c5a_474d_b662_154526def819"
      unitRef="pure">0.043</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000245005Member_ItauUnibancoHoldingSAMember"
      decimals="4"
      id="h_249_7baffdb9_b73b_4800_9a58_fff7811a6157"
      unitRef="pure">0.036</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000245005Member_WalMartDeMexicoSABDeCVMember"
      decimals="4"
      id="h_250_478cbba7_d55b_4ea7_b772_cc129292ae33"
      unitRef="pure">0.033</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000245005Member_WEGSAMember"
      decimals="4"
      id="h_251_116d48a9_e74a_421f_acac_6d082bf10c4d"
      unitRef="pure">0.028</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000245005Member_ORLENSAMember"
      decimals="4"
      id="h_252_81ff23a6_d6f8_4ce9_b8d5_752d33a52885"
      unitRef="pure">0.024</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000245005Member_GrupoFinancieroBanorteSABDeCVClassOMember"
      decimals="4"
      id="h_253_8467814d_07ee_4d2a_9b85_4c3007be4848"
      unitRef="pure">0.023</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000245005Member_FirstRandLtdMember"
      decimals="4"
      id="h_254_b195f03e_56a7_4c6a_9ec0_536f9fded60c"
      unitRef="pure">0.021</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000245005Member_PowszechnaKasaOszczednosciBankPolskiSAMember"
      decimals="4"
      id="h_255_5016d818_9808_47df_b3f0_103b00e4dbcb"
      unitRef="pure">0.019</oef:PctOfTotalInv>
    <oef:ClassName
      contextRef="D20241001_20250331_C000234707Member"
      id="t_1_1520ce28_cabf_6770_5bae_992a460465bd">First Trust Nasdaq Lux Digital Health Solutions ETF</oef:ClassName>
    <oef:FundName
      contextRef="D20241001_20250331_C000234707Member"
      id="t_2_21349f9a_f895_055e_7016_05054d6536f5">First Trust Nasdaq Lux Digital Health Solutions ETF</oef:FundName>
    <dei:TradingSymbol
      contextRef="D20241001_20250331_C000234707Member"
      id="t_3_e981ad02_2ed7_ef58_d3e0_8fefe65453a4">EKG</dei:TradingSymbol>
    <oef:AnnlOrSemiAnnlStatementTextBlock
      contextRef="D20241001_20250331_C000234707Member"
      id="t_5_539ec7e1_4ef8_5868_a092_5c06d9f8f559">This semi-annual shareholder report contains important information about the First Trust Nasdaq Lux Digital Health Solutions ETF (the &#x201c;Fund&#x201d;) for the period of October 1, 2024 to March 31, 2025.</oef:AnnlOrSemiAnnlStatementTextBlock>
    <oef:ShareholderReportAnnualOrSemiAnnual
      contextRef="D20241001_20250331_C000234707Member"
      id="t_4_3bc7ef1c_be01_ea63_f783_b653f43592da">semi-annual shareholder report</oef:ShareholderReportAnnualOrSemiAnnual>
    <oef:AddlInfoTextBlock
      contextRef="D20241001_20250331_C000234707Member"
      id="t_6_6334d8f2_83d0_da55_1f24_81af91e57200">You can find additional information about the Fund at &lt;span style="white-space:nowrap;color:rgb(0, 60, 113);text-decoration-line:underline"&gt;www.ftportfolios.com/fund-documents/etf/EKG&lt;/span&gt;. You can also request this information by contacting us at 1-800-621-1675 or &lt;span style="text-decoration-line:underline;color:rgb(0, 60, 113);font-family:'timesnewrompspro';font-size:9pt"&gt;info@ftportfolios.com&lt;/span&gt;.</oef:AddlInfoTextBlock>
    <oef:AddlInfoWebsite
      contextRef="D20241001_20250331_C000234707Member"
      id="t_7_fffc409e_be1a_ebfc_50f7_32786249abec">www.ftportfolios.com/fund-documents/etf/EKG</oef:AddlInfoWebsite>
    <oef:AddlInfoPhoneNumber
      contextRef="D20241001_20250331_C000234707Member"
      id="t_9_9103828b_3e13_9e5b_7f51_d290b500b7fd">1-800-621-1675</oef:AddlInfoPhoneNumber>
    <oef:AddlInfoEmail
      contextRef="D20241001_20250331_C000234707Member"
      id="t_8_b7213d5f_b9e9_af49_c1d5_42e8ebed2f70">info@ftportfolios.com</oef:AddlInfoEmail>
    <oef:ExpensesTextBlock
      contextRef="D20241001_20250331_C000234707Member"
      id="t_10_5d397fe7_3602_0427_6060_2f44b44cbdf7">&lt;div style="margin-top:0px;font-kerning:none;font-family:'timesnewrompspro';color:rgb(0, 60, 113);font-size:11.52pt;font-weight:bold;margin-bottom:3pt;"&gt;WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS?&lt;/div&gt;&lt;div style="margin-top:0px;margin-bottom:0px;font-kerning:none;font-family:'timesnewrompspro';color:rgb(0, 0, 0);font-size:9pt;"&gt;(Based on a hypothetical $10,000 investment)&lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page"&gt;
&lt;tr style="break-after:avoid;border-bottom-style:solid;border-bottom-width:1pt;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-weight: bold; text-align: left; font-size: 9pt; font-kerning: none; vertical-align: bottom;"&gt;Fund&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-weight: bold; vertical-align: bottom;"&gt;Costs of a $10,000 investment&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-weight: bold; vertical-align: bottom;"&gt;Costs paid as a percentage&lt;br/&gt; of a $10,000 investment&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:initial;border-bottom-style:none;break-inside:avoid-page;height:20pt;border-bottom-color:initial"&gt;
&lt;td style="break-inside: avoid-page; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-kerning: none; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; vertical-align: bottom;"&gt;First Trust Nasdaq Lux Digital Health Solutions ETF&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; vertical-align: bottom;"&gt;&lt;span style="float:none"&gt;$&lt;/span&gt;31&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; vertical-align: bottom;"&gt;0.65&lt;span&gt;%&lt;/span&gt;&lt;sup style="vertical-align:3.2pt;line-height:0px"&gt;(1)&lt;/sup&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page"&gt;
&lt;tr style="border-bottom-width:initial;border-bottom-style:none;break-inside:avoid-page;height:9pt;border-bottom-color:initial"&gt;
&lt;td style="break-inside: avoid-page; font-kerning: none; padding-top: 0; padding-right: 0; padding-bottom: 0; padding-left: 0; font-family: 'TimesNewRomPSPro'; font-style: normal; font-size: 7.5pt; color: rgb(0, 0, 0); text-align: left; width: 1.8em; vertical-align: top;"&gt;
&lt;div style="font-kerning:none;font-family:'timesnewrompspro';color:rgb(0, 0, 0);font-size:7.5pt;margin-top:0px;margin-bottom:0px;"&gt;&#x200b;&lt;sup style="vertical-align:3.2pt;line-height:0px"&gt;(1)&lt;/sup&gt;&lt;/div&gt;&lt;/td&gt;
&lt;td style="break-inside: avoid-page; padding-top: 3px; padding-right: 0; padding-bottom: 0; padding-left: 0; font-family: 'TimesNewRomPSPro'; font-style: normal; font-size: 7.5pt; color: rgb(0, 0, 0); text-align: left; vertical-align: top;"&gt;
&lt;div style="font-kerning:none;font-family:'timesnewrompspro';color:rgb(0, 0, 0);font-size:7.5pt;margin-top:0px;margin-bottom:0px;"&gt;Annualized.&lt;/div&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;</oef:ExpensesTextBlock>
    <oef:ExpensesPaidAmt
      contextRef="D20241001_20250331_C000234707Member"
      decimals="INF"
      id="h_256_ef66b63d_ecdc_4dde_807e_249016c50777"
      unitRef="USD">31</oef:ExpensesPaidAmt>
    <oef:ExpenseRatioPct
      contextRef="D20241001_20250331_C000234707Member"
      decimals="4"
      id="h_257_4f04112d_0c14_4d8d_a35c_eb229c4eefed"
      unitRef="pure">0.0065</oef:ExpenseRatioPct>
    <oef:AddlFundStatisticsTextBlock
      contextRef="D20241001_20250331_C000234707Member"
      id="t_11_a1fe3b23_2f17_596e_0cbc_eaa2d7f74f1e">&lt;div style="font-kerning:none;font-family:'timesnewrompspro';color:rgb(0, 60, 113);font-size:11.52pt;font-weight:bold;margin-bottom:3pt;margin-top:10pt;"&gt;KEY FUND STATISTICS (As of March 31, 2025)&lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page"&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-kerning: none; color: rgb(0, 0, 0); font-size: 9pt; font-weight: bold; text-align: left; width: 60%; font-family: 'TimesNewRomPSPro'; font-style: normal;"&gt;Fund net assets&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt;"&gt;&lt;span style="float:none"&gt;$&lt;/span&gt;2,353,417&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-kerning: none; color: rgb(0, 0, 0); font-size: 9pt; font-weight: bold; text-align: left; width: 60%; font-family: 'TimesNewRomPSPro'; font-style: normal;"&gt;Total number of portfolio holdings&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt;"&gt;38&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:initial;border-bottom-style:none;break-inside:avoid-page;height:20pt;border-bottom-color:initial"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-kerning: none; color: rgb(0, 0, 0); font-size: 9pt; font-weight: bold; text-align: left; width: 60%; font-family: 'TimesNewRomPSPro'; font-style: normal;"&gt;Portfolio turnover rate&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt;"&gt;7&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;</oef:AddlFundStatisticsTextBlock>
    <us-gaap:AssetsNet
      contextRef="TI20250331_C000234707Member"
      decimals="INF"
      id="h_258_ce770f1d_87f1_476a_868a_8ff1ebcec854"
      unitRef="USD">2353417</us-gaap:AssetsNet>
    <oef:HoldingsCount
      contextRef="TI20250331_C000234707Member"
      decimals="INF"
      id="h_259_9285d5fc_d52a_4c02_b2ab_89b8cfe3e632"
      unitRef="Holding">38</oef:HoldingsCount>
    <us-gaap:InvestmentCompanyPortfolioTurnover
      contextRef="D20241001_20250331_C000234707Member"
      decimals="4"
      id="h_260_074b61a5_f0d5_40c4_8913_d8bbc5749498"
      unitRef="pure">0.07</us-gaap:InvestmentCompanyPortfolioTurnover>
    <oef:HoldingsTableTextBlock
      contextRef="D20241001_20250331_C000234707Member"
      id="t_12_c1f2df67_e2aa_e59e_7abb_610a429b8f7a">&lt;div style="margin-top:0px;font-kerning:none;font-family:'timesnewrompspro';color:rgb(0, 60, 113);font-size:11.52pt;font-weight:bold;margin-bottom:3pt;"&gt;WHAT DID THE FUND INVEST IN? (As of March 31, 2025)&lt;/div&gt;&lt;div style="margin-top:0px;font-family:'timesnewrompspro';color:rgb(0, 0, 0);font-size:9pt;margin-bottom:10pt;font-kerning:none;"&gt;The tables below show the investment makeup of the Fund, representing the percentage of total investments of the Fund.&lt;/div&gt;&lt;div style="border-bottom-width:1pt;border-bottom-style:solid;font-kerning:none;font-family:'timesnewrompspro';color:rgb(0, 0, 0);letter-spacing:1.25px;text-transform:uppercase;font-size:9pt;border-bottom-color:rgb(0, 0, 0);text-align:center;padding-bottom:5pt;margin-top:5pt;font-weight:bold;margin-bottom:0px;"&gt; &lt;b&gt;Top Ten Holdings&lt;/b&gt; &lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page"&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Veeva Systems, Inc., Class A&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;9.1&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;ResMed, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;8.5&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;IQVIA Holdings, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;8.3&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Intuitive Surgical, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;7.6&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Dexcom, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;6.8&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;QIAGEN N.V.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;4.4&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Hologic, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;4.3&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Insulet Corp.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;4.3&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Globus Medical, Inc., Class A&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;4.0&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:initial;border-bottom-style:none;break-inside:avoid-page;height:20pt;border-bottom-color:initial"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Natera, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;4.0&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;&lt;div style="border-bottom-width:1pt;border-bottom-style:solid;font-kerning:none;font-family:'timesnewrompspro';color:rgb(0, 0, 0);letter-spacing:1.25px;text-transform:uppercase;font-size:9pt;border-bottom-color:rgb(0, 0, 0);text-align:center;padding-bottom:5pt;margin-bottom:5pt;font-weight:bold;margin-top:3pt;"&gt; &lt;b&gt;Sector Allocation&lt;/b&gt; &lt;/div&gt;&lt;div style="padding-left:10pt;padding-right:0px;"&gt; &lt;img alt="Graphical Representation - Allocation 2 Chart" src="chartimages_9833372.jpg" style="width: 172.8pt;"/&gt;  &lt;/div&gt;</oef:HoldingsTableTextBlock>
    <oef:LargestHoldingsTableTextBlock
      contextRef="D20241001_20250331_C000234707Member"
      id="t_13_8800926a_3a5d_9a59_c8d0_29eea35a3528">&lt;div style="border-bottom-width:1pt;border-bottom-style:solid;font-kerning:none;font-family:'timesnewrompspro';color:rgb(0, 0, 0);letter-spacing:1.25px;text-transform:uppercase;font-size:9pt;border-bottom-color:rgb(0, 0, 0);text-align:center;padding-bottom:5pt;margin-top:5pt;font-weight:bold;margin-bottom:0px;"&gt; &lt;b&gt;Top Ten Holdings&lt;/b&gt; &lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page"&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Veeva Systems, Inc., Class A&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;9.1&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;ResMed, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;8.5&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;IQVIA Holdings, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;8.3&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Intuitive Surgical, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;7.6&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Dexcom, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;6.8&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;QIAGEN N.V.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;4.4&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Hologic, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;4.3&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Insulet Corp.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;4.3&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Globus Medical, Inc., Class A&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;4.0&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:initial;border-bottom-style:none;break-inside:avoid-page;height:20pt;border-bottom-color:initial"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Natera, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;4.0&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;</oef:LargestHoldingsTableTextBlock>
    <oef:PctOfTotalInv
      contextRef="TI20250330_C000234707Member_VeevaSystemsIncClassAMember"
      decimals="4"
      id="h_261_8b37fbd6_3905_4d74_92e1_1f6cf40c7602"
      unitRef="pure">0.091</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250330_C000234707Member_ResMedIncMember"
      decimals="4"
      id="h_262_df584243_ab1a_42f7_ab1e_519fd9d49f03"
      unitRef="pure">0.085</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250330_C000234707Member_IQVIAHoldingsIncMember"
      decimals="4"
      id="h_263_bebed1d8_8a8a_4925_bb53_c546499f15d3"
      unitRef="pure">0.083</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000234707Member_IntuitiveSurgicalIncMember"
      decimals="4"
      id="h_264_571ba949_c716_4faa_b154_9d77cd1ae0cb"
      unitRef="pure">0.076</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000234707Member_DexcomIncMember"
      decimals="4"
      id="h_265_50996bf8_5235_4ebf_97d7_b57a422ddb00"
      unitRef="pure">0.068</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000234707Member_QIAGENNVMember"
      decimals="4"
      id="h_266_efc94a08_b9ba_4c4a_9499_b837d9a66e7f"
      unitRef="pure">0.044</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000234707Member_HologicIncMember"
      decimals="4"
      id="h_267_d0ced216_cfa5_4db9_8af6_eb6a66c03731"
      unitRef="pure">0.043</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000234707Member_InsuletCorpMember"
      decimals="4"
      id="h_268_0f0ca2b1_c90d_48cb_95de_a88ca689fac6"
      unitRef="pure">0.043</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000234707Member_GlobusMedicalIncClassAMember"
      decimals="4"
      id="h_269_cf933674_5905_4a09_866c_05e99cef84c7"
      unitRef="pure">0.040</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000234707Member_NateraIncMember"
      decimals="4"
      id="h_270_9e3869d4_1b95_418d_a814_479da94ffc23"
      unitRef="pure">0.040</oef:PctOfTotalInv>
    <oef:ClassName
      contextRef="D20241001_20250331_C000234334Member"
      id="t_1_b824a6e0_6126_432d_80af_4c3ff2b5ef65">First Trust Indxx Metaverse ETF</oef:ClassName>
    <oef:FundName
      contextRef="D20241001_20250331_C000234334Member"
      id="t_3_a6f9c99f_bbd8_a16c_d2d4_d7ba29642f4b">First Trust Indxx Metaverse ETF</oef:FundName>
    <dei:TradingSymbol
      contextRef="D20241001_20250331_C000234334Member"
      id="t_2_00aeb6e1_ba66_40d0_815a_d00fb686746b">ARVR</dei:TradingSymbol>
    <oef:AnnlOrSemiAnnlStatementTextBlock
      contextRef="D20241001_20250331_C000234334Member"
      id="t_5_967afe26_6395_c945_2805_91e28668c70f">This semi-annual shareholder report contains important information about the First Trust Indxx Metaverse ETF (the &#x201c;Fund&#x201d;) for the period of October 1, 2024 to March 31, 2025.</oef:AnnlOrSemiAnnlStatementTextBlock>
    <oef:ShareholderReportAnnualOrSemiAnnual
      contextRef="D20241001_20250331_C000234334Member"
      id="t_4_40e981b5_4e4b_d248_0160_50cc839967a3">semi-annual shareholder report</oef:ShareholderReportAnnualOrSemiAnnual>
    <oef:AddlInfoTextBlock
      contextRef="D20241001_20250331_C000234334Member"
      id="t_6_dc0c2ec1_f18f_8d9c_de16_2afbf0f68ed8">You can find additional information about the Fund at &lt;span style="white-space:nowrap;color:rgb(0, 60, 113);text-decoration-line:underline"&gt;www.ftportfolios.com/fund-documents/etf/ARVR&lt;/span&gt;. You can also request this information by contacting us at 1-800-621-1675 or &lt;span style="text-decoration-line:underline;color:rgb(0, 60, 113);font-family:'timesnewrompspro';font-size:9pt"&gt;info@ftportfolios.com&lt;/span&gt;.</oef:AddlInfoTextBlock>
    <oef:AddlInfoWebsite
      contextRef="D20241001_20250331_C000234334Member"
      id="t_7_bd635923_e861_3e98_bd9f_48284e3db6c9">www.ftportfolios.com/fund-documents/etf/ARVR</oef:AddlInfoWebsite>
    <oef:AddlInfoPhoneNumber
      contextRef="D20241001_20250331_C000234334Member"
      id="t_9_1bad79bc_5ce6_5c17_b2d8_d7dba9175de8">1-800-621-1675</oef:AddlInfoPhoneNumber>
    <oef:AddlInfoEmail
      contextRef="D20241001_20250331_C000234334Member"
      id="t_8_cd56364d_c5c3_7df7_2536_a6298a0d0d83">info@ftportfolios.com</oef:AddlInfoEmail>
    <oef:ExpensesTextBlock
      contextRef="D20241001_20250331_C000234334Member"
      id="t_10_3240d2f4_3c53_237c_5e8f_fc5d59017b59">&lt;div style="margin-top:0px;font-kerning:none;font-family:'timesnewrompspro';color:rgb(0, 60, 113);font-size:11.52pt;font-weight:bold;margin-bottom:3pt;"&gt;WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS?&lt;/div&gt;&lt;div style="margin-top:0px;margin-bottom:0px;font-kerning:none;font-family:'timesnewrompspro';color:rgb(0, 0, 0);font-size:9pt;"&gt;(Based on a hypothetical $10,000 investment)&lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page"&gt;
&lt;tr style="break-after:avoid;border-bottom-style:solid;border-bottom-width:1pt;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-weight: bold; text-align: left; font-size: 9pt; font-kerning: none; vertical-align: bottom;"&gt;Fund&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-weight: bold; vertical-align: bottom;"&gt;Costs of a $10,000 investment&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-weight: bold; vertical-align: bottom;"&gt;Costs paid as a percentage&lt;br/&gt; of a $10,000 investment&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:initial;border-bottom-style:none;break-inside:avoid-page;height:20pt;border-bottom-color:initial"&gt;
&lt;td style="break-inside: avoid-page; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-kerning: none; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; vertical-align: bottom;"&gt;First Trust Indxx Metaverse ETF&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; vertical-align: bottom;"&gt;&lt;span style="float:none"&gt;$&lt;/span&gt;35&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; vertical-align: bottom;"&gt;0.70&lt;span&gt;%&lt;/span&gt;&lt;sup style="vertical-align:3.2pt;line-height:0px"&gt;(1)&lt;/sup&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page"&gt;
&lt;tr style="border-bottom-width:initial;border-bottom-style:none;break-inside:avoid-page;height:9pt;border-bottom-color:initial"&gt;
&lt;td style="break-inside: avoid-page; font-kerning: none; padding-top: 0; padding-right: 0; padding-bottom: 0; padding-left: 0; font-family: 'TimesNewRomPSPro'; font-style: normal; font-size: 7.5pt; color: rgb(0, 0, 0); text-align: left; width: 1.8em; vertical-align: top;"&gt;
&lt;div style="font-kerning:none;font-family:'timesnewrompspro';color:rgb(0, 0, 0);font-size:7.5pt;margin-top:0px;margin-bottom:0px;"&gt;&#x200b;&lt;sup style="vertical-align:3.2pt;line-height:0px"&gt;(1)&lt;/sup&gt;&lt;/div&gt;&lt;/td&gt;
&lt;td style="break-inside: avoid-page; padding-top: 3px; padding-right: 0; padding-bottom: 0; padding-left: 0; font-family: 'TimesNewRomPSPro'; font-style: normal; font-size: 7.5pt; color: rgb(0, 0, 0); text-align: left; vertical-align: top;"&gt;
&lt;div style="font-kerning:none;font-family:'timesnewrompspro';color:rgb(0, 0, 0);font-size:7.5pt;margin-top:0px;margin-bottom:0px;"&gt;Annualized.&lt;/div&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;</oef:ExpensesTextBlock>
    <oef:ExpensesPaidAmt
      contextRef="D20241001_20250331_C000234334Member"
      decimals="INF"
      id="h_271_8823a425_7288_47e9_a47b_9f8ed812c53e"
      unitRef="USD">35</oef:ExpensesPaidAmt>
    <oef:ExpenseRatioPct
      contextRef="D20241001_20250331_C000234334Member"
      decimals="4"
      id="h_272_3c97febe_d831_404c_97eb_bdc1adb7b4de"
      unitRef="pure">0.0070</oef:ExpenseRatioPct>
    <oef:AddlFundStatisticsTextBlock
      contextRef="D20241001_20250331_C000234334Member"
      id="t_11_c49df380_a479_2b87_0e25_e3f924d2a8fd">&lt;div style="font-kerning:none;font-family:'timesnewrompspro';color:rgb(0, 60, 113);font-size:11.52pt;font-weight:bold;margin-bottom:3pt;margin-top:10pt;"&gt;KEY FUND STATISTICS (As of March 31, 2025)&lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page"&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-kerning: none; color: rgb(0, 0, 0); font-size: 9pt; font-weight: bold; text-align: left; width: 60%; font-family: 'TimesNewRomPSPro'; font-style: normal;"&gt;Fund net assets&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt;"&gt;&lt;span style="float:none"&gt;$&lt;/span&gt;3,798,243&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-kerning: none; color: rgb(0, 0, 0); font-size: 9pt; font-weight: bold; text-align: left; width: 60%; font-family: 'TimesNewRomPSPro'; font-style: normal;"&gt;Total number of portfolio holdings&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt;"&gt;42&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:initial;border-bottom-style:none;break-inside:avoid-page;height:20pt;border-bottom-color:initial"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; font-kerning: none; color: rgb(0, 0, 0); font-size: 9pt; font-weight: bold; text-align: left; width: 60%; font-family: 'TimesNewRomPSPro'; font-style: normal;"&gt;Portfolio turnover rate&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 10pt; padding-bottom: 3pt; padding-left: 10pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt;"&gt;28&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;</oef:AddlFundStatisticsTextBlock>
    <us-gaap:AssetsNet
      contextRef="TI20250331_C000234334Member"
      decimals="INF"
      id="h_273_8c9a7940_c6d5_445e_b7cf_c05cccdd7d5e"
      unitRef="USD">3798243</us-gaap:AssetsNet>
    <oef:HoldingsCount
      contextRef="TI20250331_C000234334Member"
      decimals="INF"
      id="h_274_272968d4_f8bf_4681_8e97_bb43bff69064"
      unitRef="Holding">42</oef:HoldingsCount>
    <us-gaap:InvestmentCompanyPortfolioTurnover
      contextRef="D20241001_20250331_C000234334Member"
      decimals="4"
      id="h_275_f5f6073e_0b81_45d5_af1b_71d49fb63625"
      unitRef="pure">0.28</us-gaap:InvestmentCompanyPortfolioTurnover>
    <oef:HoldingsTableTextBlock
      contextRef="D20241001_20250331_C000234334Member"
      id="t_12_d60d325b_0882_40e1_1e3d_0697957952c0">&lt;div style="margin-top:0px;font-kerning:none;font-family:'timesnewrompspro';color:rgb(0, 60, 113);font-size:11.52pt;font-weight:bold;margin-bottom:3pt;"&gt;WHAT DID THE FUND INVEST IN? (As of March 31, 2025)&lt;/div&gt;&lt;div style="margin-top:0px;font-family:'timesnewrompspro';color:rgb(0, 0, 0);font-size:9pt;margin-bottom:10pt;font-kerning:none;"&gt;The tables below show the investment makeup of the Fund, representing the percentage of total investments of the Fund.&lt;/div&gt;&lt;div style="border-bottom-width:1pt;border-bottom-style:solid;font-kerning:none;font-family:'timesnewrompspro';color:rgb(0, 0, 0);letter-spacing:1.25px;text-transform:uppercase;font-size:9pt;border-bottom-color:rgb(0, 0, 0);text-align:center;padding-bottom:5pt;margin-top:5pt;font-weight:bold;margin-bottom:0px;"&gt; &lt;b&gt;Top Ten Holdings&lt;/b&gt; &lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page"&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Xiaomi Corp., Class B&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;4.5&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Tencent Holdings Ltd.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;4.0&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Sony Group Corp.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;3.8&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Nintendo Co., Ltd.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;3.7&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Intel Corp.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;3.5&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Take-Two Interactive Software, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;3.5&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;NetEase, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;3.4&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Netflix, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;3.3&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Electronic Arts, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;3.1&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:initial;border-bottom-style:none;break-inside:avoid-page;height:20pt;border-bottom-color:initial"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Nexon Co., Ltd.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;3.0&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;&lt;div style="border-bottom-width:1pt;border-bottom-style:solid;font-kerning:none;font-family:'timesnewrompspro';color:rgb(0, 0, 0);letter-spacing:1.25px;text-transform:uppercase;font-size:9pt;border-bottom-color:rgb(0, 0, 0);text-align:center;padding-bottom:5pt;margin-bottom:5pt;font-weight:bold;margin-top:3pt;"&gt; &lt;b&gt;Sector Allocation&lt;/b&gt; &lt;/div&gt;&lt;div style="padding-left:10pt;padding-right:0px;"&gt; &lt;img alt="Graphical Representation - Allocation 2 Chart" src="chartimages_9833330.jpg" style="width: 172.8pt;"/&gt;  &lt;/div&gt;</oef:HoldingsTableTextBlock>
    <oef:LargestHoldingsTableTextBlock
      contextRef="D20241001_20250331_C000234334Member"
      id="t_13_59e7e025_d6aa_570c_61c5_69b5205ca4f6">&lt;div style="border-bottom-width:1pt;border-bottom-style:solid;font-kerning:none;font-family:'timesnewrompspro';color:rgb(0, 0, 0);letter-spacing:1.25px;text-transform:uppercase;font-size:9pt;border-bottom-color:rgb(0, 0, 0);text-align:center;padding-bottom:5pt;margin-top:5pt;font-weight:bold;margin-bottom:0px;"&gt; &lt;b&gt;Top Ten Holdings&lt;/b&gt; &lt;/div&gt;&lt;table style="width:100%;border-collapse:collapse;break-inside:avoid-page"&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Xiaomi Corp., Class B&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;4.5&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Tencent Holdings Ltd.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;4.0&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Sony Group Corp.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;3.8&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Nintendo Co., Ltd.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;3.7&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Intel Corp.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;3.5&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Take-Two Interactive Software, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;3.5&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;NetEase, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;3.4&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Netflix, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;3.3&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:0.5pt;border-bottom-style:solid;break-inside:avoid-page;height:20pt;border-bottom-color:rgb(0, 0, 0)"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Electronic Arts, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;3.1&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt;
&lt;tr style="border-bottom-width:initial;border-bottom-style:none;break-inside:avoid-page;height:20pt;border-bottom-color:initial"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; text-align: left; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;Nexon Co., Ltd.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; padding-top: 6pt; padding-right: 3pt; padding-bottom: 3pt; padding-left: 3pt; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: rgb(0, 0, 0); font-size: 9pt; font-kerning: none;"&gt;3.0&lt;span&gt;%&lt;/span&gt;&lt;/td&gt; &lt;/tr&gt; &lt;/table&gt;</oef:LargestHoldingsTableTextBlock>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000234334Member_XiaomiCorpClassBMember"
      decimals="4"
      id="h_276_d4386067_3cd3_47a2_9608_cf33a636c90c"
      unitRef="pure">0.045</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000234334Member_TencentHoldingsLtdMember"
      decimals="4"
      id="h_277_5c9a1917_a423_4a6a_8d1f_ef49bf2df80d"
      unitRef="pure">0.040</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000234334Member_SonyGroupCorpMember"
      decimals="4"
      id="h_278_f1103ace_fe21_4c38_a8c8_fca1f677fc3a"
      unitRef="pure">0.038</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000234334Member_NintendoCoLtdMember"
      decimals="4"
      id="h_279_ec64ec34_973b_42ac_964c_579e40e1984f"
      unitRef="pure">0.037</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000234334Member_IntelCorpMember"
      decimals="4"
      id="h_280_e3f0f9ac_f497_43b3_9866_8892ebddc164"
      unitRef="pure">0.035</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000234334Member_TakeTwoInteractiveSoftwareIncMember"
      decimals="4"
      id="h_281_f272b154_a379_40f9_8c41_e5a15ac7750f"
      unitRef="pure">0.035</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000234334Member_NetEaseIncMember"
      decimals="4"
      id="h_282_24a68531_f7ee_4340_b4c2_4ae33d1b4575"
      unitRef="pure">0.034</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000234334Member_NetflixIncMember"
      decimals="4"
      id="h_283_46b9d0c2_3e5c_4828_a149_8dc648cc9275"
      unitRef="pure">0.033</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000234334Member_ElectronicArtsIncMember"
      decimals="4"
      id="h_284_9a5d4940_d4ee_41ed_bc34_9d22155a9a57"
      unitRef="pure">0.031</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000234334Member_NexonCoLtdMember"
      decimals="4"
      id="h_285_20618238_34d3_4e23_a262_4d48cf017cd7"
      unitRef="pure">0.030</oef:PctOfTotalInv>
    <oef:ClassName
      contextRef="D20241001_20250331_C000253539Member"
      id="t_14_5fd1208b_21e4_48d5_787b_e93210eee44b">First Trust BloombergArtificial Intelligence ETF</oef:ClassName>
    <oef:FundName
      contextRef="D20241001_20250331_C000253539Member"
      id="t_15_d761ce1c_a990_3b25_8b9a_1b7592c5e035">First Trust BloombergArtificial Intelligence ETF</oef:FundName>
    <dei:TradingSymbol
      contextRef="D20241001_20250331_C000253539Member"
      id="t_3_6ca63bfc_f69a_37ec_9e94_18eeb2172e69">FAI</dei:TradingSymbol>
    <oef:AnnlOrSemiAnnlStatementTextBlock
      contextRef="D20241001_20250331_C000253539Member"
      id="t_5_c3385d0d_65a0_f053_74ec_2f970710090b">This semi-annual shareholder report contains important information about the First Trust Bloomberg Artificial Intelligence ETF (the &#x201c;Fund&#x201d;) for the period of November 20, 2024 (commencement of investment operations) to March 31, 2025.</oef:AnnlOrSemiAnnlStatementTextBlock>
    <oef:ShareholderReportAnnualOrSemiAnnual
      contextRef="D20241001_20250331_C000253539Member"
      id="t_4_00f142e2_fe2c_625c_f06c_44d62fcfa7f2">semi-annual shareholder report</oef:ShareholderReportAnnualOrSemiAnnual>
    <oef:AddlInfoTextBlock
      contextRef="D20241001_20250331_C000253539Member"
      id="t_6_f95841e6_af48_92b9_80fa_1b1c0d82e1e7">You can find additional information about the Fund at &lt;span style="white-space: nowrap; color: #003c71; text-decoration-line: underline;"&gt;www.ftportfolios.com/fund-documents/etf/FAI&lt;/span&gt;. You can also request this information by contacting us at 1-800-621-1675 or &lt;span style="text-decoration-line: underline; color: #003c71; font-family: 'timesnewrompspro'; font-size: 9pt;"&gt;info@ftportfolios.com&lt;/span&gt;.</oef:AddlInfoTextBlock>
    <oef:AddlInfoWebsite
      contextRef="D20241001_20250331_C000253539Member"
      id="t_7_d3080796_9daa_6728_4040_3890de8688fd">www.ftportfolios.com/fund-documents/etf/FAI</oef:AddlInfoWebsite>
    <oef:AddlInfoPhoneNumber
      contextRef="D20241001_20250331_C000253539Member"
      id="t_8_91d384c7_1c2d_11eb_66a0_194d2f2dad98">1-800-621-1675</oef:AddlInfoPhoneNumber>
    <oef:AddlInfoEmail
      contextRef="D20241001_20250331_C000253539Member"
      id="t_9_cd344485_9791_b582_b593_c88dde1dc6c9">info@ftportfolios.com</oef:AddlInfoEmail>
    <oef:ExpensesTextBlock
      contextRef="D20241001_20250331_C000253539Member"
      id="t_10_47068464_ead6_a1d7_56e3_789f1f75a7ca">
&lt;div style="margin-top: 0px; font-kerning: none; font-family: 'timesnewrompspro'; color: #003c71; font-size: 11.52pt; font-weight: bold; margin-bottom: 3pt;"&gt;WHAT WERE THE FUND COSTS FOR THE LAST SIX MONTHS?&lt;/div&gt;

&lt;div style="margin-top: 0px; margin-bottom: 0px; font-kerning: none; font-family: 'timesnewrompspro'; color: #000000; font-size: 9pt;"&gt;(Based on a hypothetical $10,000 investment)&lt;/div&gt;

&lt;table style="width: 100%; border-collapse: collapse; break-inside: avoid-page;"&gt;

&lt;tr style="break-after: avoid; border-bottom-style: solid; border-bottom-width: 1pt; break-inside: avoid-page; height: 20pt; border-bottom-color: #000000;"&gt;
&lt;td style="break-inside: avoid-page; font-family: 'TimesNewRomPSPro'; color: #000000; font-weight: bold; text-align: left; font-size: 9pt; font-kerning: none; vertical-align: bottom; padding: 6pt 3pt 3pt 3pt;"&gt;Fund&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; font-family: 'TimesNewRomPSPro'; color: #000000; font-size: 9pt; font-weight: bold; vertical-align: bottom; padding: 6pt 3pt 3pt 3pt;"&gt;Costs of a $10,000 investment&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; font-family: 'TimesNewRomPSPro'; color: #000000; font-size: 9pt; font-weight: bold; vertical-align: bottom; padding: 6pt 3pt 3pt 3pt;"&gt;Costs paid as a percentage&lt;br/&gt;of a $10,000 investment&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="border-bottom-width: initial; border-bottom-style: none; break-inside: avoid-page; height: 20pt; border-bottom-color: initial;"&gt;
&lt;td style="break-inside: avoid-page; text-align: left; font-kerning: none; font-family: 'TimesNewRomPSPro'; color: #000000; font-size: 9pt; vertical-align: bottom; padding: 6pt 3pt 3pt 3pt;"&gt;First Trust Bloomberg Artificial Intelligence ETF&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; font-family: 'TimesNewRomPSPro'; color: #000000; font-size: 9pt; vertical-align: bottom; padding: 6pt 3pt 3pt 3pt;"&gt;&lt;span style="float: none;"&gt;$&lt;/span&gt;22&lt;sup style="vertical-align: 3.2pt; line-height: 0px;"&gt;(1)&lt;/sup&gt;&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: #000000; font-size: 9pt; vertical-align: bottom; padding: 6pt 3pt 3pt 3pt;"&gt;0.65&lt;span&gt;%&lt;/span&gt;&lt;sup style="vertical-align: 3.2pt; line-height: 0px;"&gt;(2)&lt;/sup&gt;&lt;/td&gt;
&lt;/tr&gt;

&lt;/table&gt;

&lt;table style="width: 100%; border-collapse: collapse; break-inside: avoid-page;"&gt;

&lt;tr style="border-bottom-width: initial; border-bottom-style: none; break-inside: avoid-page; height: 9pt; border-bottom-color: initial;"&gt;
&lt;td style="break-inside: avoid-page; font-kerning: none; font-family: 'TimesNewRomPSPro'; font-style: normal; font-size: 7.5pt; color: #000000; text-align: left; width: 1.8em; vertical-align: top; padding: 0;"&gt;
&lt;div style="font-kerning: none; font-family: 'timesnewrompspro'; color: #000000; font-size: 7.5pt; margin-top: 0px; margin-bottom: 0px;"&gt;&#x200b;&lt;sup style="vertical-align: 3.2pt; line-height: 0px;"&gt;(1)&lt;/sup&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td style="break-inside: avoid-page; font-family: 'TimesNewRomPSPro'; font-style: normal; font-size: 7.5pt; color: #000000; text-align: left; vertical-align: top; padding: 3px 0 0 0;"&gt;
&lt;div style="font-kerning: none; font-family: 'timesnewrompspro'; color: #000000; font-size: 7.5pt; margin-top: 0px; margin-bottom: 0px;"&gt;The Fund commenced investment operations on November 20, 2024. Had the Fund been in operation for a complete six months, the cost of a $10,000 investment would have been higher.&lt;/div&gt;
&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="border-bottom-width: initial; border-bottom-style: none; break-inside: avoid-page; height: 9pt; border-bottom-color: initial;"&gt;
&lt;td style="break-inside: avoid-page; font-kerning: none; font-family: 'TimesNewRomPSPro'; font-style: normal; font-size: 7.5pt; color: #000000; text-align: left; width: 1.8em; vertical-align: top; padding: 0;"&gt;
&lt;div style="font-kerning: none; font-family: 'timesnewrompspro'; color: #000000; font-size: 7.5pt; margin-top: 0px; margin-bottom: 0px;"&gt;&#x200b;&lt;sup style="vertical-align: 3.2pt; line-height: 0px;"&gt;(2)&lt;/sup&gt;&lt;/div&gt;
&lt;/td&gt;
&lt;td style="break-inside: avoid-page; font-family: 'TimesNewRomPSPro'; font-style: normal; font-size: 7.5pt; color: #000000; text-align: left; vertical-align: top; padding: 3px 0 0 0;"&gt;
&lt;div style="font-kerning: none; font-family: 'timesnewrompspro'; color: #000000; font-size: 7.5pt; margin-top: 0px; margin-bottom: 0px;"&gt;Annualized.&lt;/div&gt;
&lt;/td&gt;
&lt;/tr&gt;

&lt;/table&gt;
</oef:ExpensesTextBlock>
    <oef:ExpensesPaidAmt
      contextRef="D20241001_20250331_C000253539Member"
      decimals="INF"
      id="h_286_bb8f29fb_6870_4a5f_bba6_b67305e51b3e"
      unitRef="USD">22</oef:ExpensesPaidAmt>
    <oef:ExpenseRatioPct
      contextRef="D20241001_20250331_C000253539Member"
      decimals="4"
      id="h_287_611ca5b9_a2e6_4618_b228_74f5ebbe995f"
      unitRef="pure">0.0065</oef:ExpenseRatioPct>
    <oef:AddlFundStatisticsTextBlock
      contextRef="D20241001_20250331_C000253539Member"
      id="t_11_1910d105_88dc_bdb9_6796_b1ad1ea39acc">
&lt;div style="font-kerning: none; font-family: 'timesnewrompspro'; color: #003c71; font-size: 11.52pt; font-weight: bold; margin-bottom: 3pt; margin-top: 10pt;"&gt;KEY FUND STATISTICS (As of March 31, 2025)&lt;/div&gt;

&lt;table style="width: 100%; border-collapse: collapse; break-inside: avoid-page;"&gt;

&lt;tr style="border-bottom-width: 0.5pt; border-bottom-style: solid; break-inside: avoid-page; height: 20pt; border-bottom-color: #000000;"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; font-kerning: none; color: #000000; font-size: 9pt; font-weight: bold; text-align: left; width: 60%; font-family: 'TimesNewRomPSPro'; font-style: normal; padding: 6pt 10pt 3pt 10pt;"&gt;Fund net assets&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: #000000; font-size: 9pt; padding: 6pt 10pt 3pt 10pt;"&gt;&lt;span style="float: none;"&gt;$&lt;/span&gt;8,078,141&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="border-bottom-width: 0.5pt; border-bottom-style: solid; break-inside: avoid-page; height: 20pt; border-bottom-color: #000000;"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; font-kerning: none; color: #000000; font-size: 9pt; font-weight: bold; text-align: left; width: 60%; font-family: 'TimesNewRomPSPro'; font-style: normal; padding: 6pt 10pt 3pt 10pt;"&gt;Total number of portfolio holdings&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: #000000; font-size: 9pt; padding: 6pt 10pt 3pt 10pt;"&gt;50&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="border-bottom-width: initial; border-bottom-style: none; break-inside: avoid-page; height: 20pt; border-bottom-color: initial;"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; font-kerning: none; color: #000000; font-size: 9pt; font-weight: bold; text-align: left; width: 60%; font-family: 'TimesNewRomPSPro'; font-style: normal; padding: 6pt 10pt 3pt 10pt;"&gt;Portfolio turnover rate&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: #000000; font-size: 9pt; padding: 6pt 10pt 3pt 10pt;"&gt;9&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;

&lt;/table&gt;
</oef:AddlFundStatisticsTextBlock>
    <us-gaap:AssetsNet
      contextRef="TI20250331_C000253539Member"
      decimals="INF"
      id="h_288_6412c5cb_0ca7_4c2e_82bb_2fae569056fb"
      unitRef="USD">8078141</us-gaap:AssetsNet>
    <oef:HoldingsCount
      contextRef="TI20250331_C000253539Member"
      decimals="INF"
      id="h_289_75c7f2c9_4406_47a2_a9fb_0bd97b99ae0a"
      unitRef="Holding">50</oef:HoldingsCount>
    <us-gaap:InvestmentCompanyPortfolioTurnover
      contextRef="D20241001_20250331_C000253539Member"
      decimals="4"
      id="h_290_1f17fb6c_c8a7_43f4_861d_375c140cae77"
      unitRef="pure">0.09</us-gaap:InvestmentCompanyPortfolioTurnover>
    <oef:HoldingsTableTextBlock
      contextRef="D20241001_20250331_C000253539Member"
      id="t_12_5dfd199c_8653_67bc_915a_7a326ba7c140">
&lt;div style="margin-top: 0px; font-kerning: none; font-family: 'timesnewrompspro'; color: #003c71; font-size: 11.52pt; font-weight: bold; margin-bottom: 3pt;"&gt;WHAT DID THE FUND INVEST IN? (As of March 31, 2025)&lt;/div&gt;

&lt;div style="margin-top: 0px; font-family: 'timesnewrompspro'; color: #000000; font-size: 9pt; margin-bottom: 10pt; font-kerning: none;"&gt;The tables below show the investment makeup of the Fund, representing the percentage of total investments of the Fund.&lt;/div&gt;


&lt;div style="border-bottom-width: 1pt; border-bottom-style: solid; font-kerning: none; font-family: 'timesnewrompspro'; color: #000000; letter-spacing: 1.25px; text-transform: uppercase; font-size: 9pt; border-bottom-color: #000000; text-align: center; padding-bottom: 5pt; margin-top: 5pt; font-weight: bold; margin-bottom: 0px;"&gt;&lt;b&gt;Top Ten Holdings&lt;/b&gt;&lt;/div&gt;



&lt;table style="width: 100%; border-collapse: collapse; break-inside: avoid-page;"&gt;

&lt;tr style="border-bottom-width: 0.5pt; border-bottom-style: solid; break-inside: avoid-page; height: 20pt; border-bottom-color: #000000;"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; text-align: left; font-family: 'TimesNewRomPSPro'; color: #000000; font-size: 9pt; font-kerning: none; padding: 6pt 3pt 3pt 3pt;"&gt;Meta Platforms, Inc., Class A&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: #000000; font-size: 9pt; font-kerning: none; padding: 6pt 3pt 3pt 3pt;"&gt;8.9&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="border-bottom-width: 0.5pt; border-bottom-style: solid; break-inside: avoid-page; height: 20pt; border-bottom-color: #000000;"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; text-align: left; font-family: 'TimesNewRomPSPro'; color: #000000; font-size: 9pt; font-kerning: none; padding: 6pt 3pt 3pt 3pt;"&gt;Microsoft Corp.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: #000000; font-size: 9pt; font-kerning: none; padding: 6pt 3pt 3pt 3pt;"&gt;8.3&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="border-bottom-width: 0.5pt; border-bottom-style: solid; break-inside: avoid-page; height: 20pt; border-bottom-color: #000000;"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; text-align: left; font-family: 'TimesNewRomPSPro'; color: #000000; font-size: 9pt; font-kerning: none; padding: 6pt 3pt 3pt 3pt;"&gt;Amazon.com, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: #000000; font-size: 9pt; font-kerning: none; padding: 6pt 3pt 3pt 3pt;"&gt;7.9&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="border-bottom-width: 0.5pt; border-bottom-style: solid; break-inside: avoid-page; height: 20pt; border-bottom-color: #000000;"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; text-align: left; font-family: 'TimesNewRomPSPro'; color: #000000; font-size: 9pt; font-kerning: none; padding: 6pt 3pt 3pt 3pt;"&gt;Alphabet, Inc., Class A&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: #000000; font-size: 9pt; font-kerning: none; padding: 6pt 3pt 3pt 3pt;"&gt;7.5&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="border-bottom-width: 0.5pt; border-bottom-style: solid; break-inside: avoid-page; height: 20pt; border-bottom-color: #000000;"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; text-align: left; font-family: 'TimesNewRomPSPro'; color: #000000; font-size: 9pt; font-kerning: none; padding: 6pt 3pt 3pt 3pt;"&gt;NVIDIA Corp.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: #000000; font-size: 9pt; font-kerning: none; padding: 6pt 3pt 3pt 3pt;"&gt;7.0&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="border-bottom-width: 0.5pt; border-bottom-style: solid; break-inside: avoid-page; height: 20pt; border-bottom-color: #000000;"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; text-align: left; font-family: 'TimesNewRomPSPro'; color: #000000; font-size: 9pt; font-kerning: none; padding: 6pt 3pt 3pt 3pt;"&gt;Palantir Technologies, Inc., Class A&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: #000000; font-size: 9pt; font-kerning: none; padding: 6pt 3pt 3pt 3pt;"&gt;4.9&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="border-bottom-width: 0.5pt; border-bottom-style: solid; break-inside: avoid-page; height: 20pt; border-bottom-color: #000000;"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; text-align: left; font-family: 'TimesNewRomPSPro'; color: #000000; font-size: 9pt; font-kerning: none; padding: 6pt 3pt 3pt 3pt;"&gt;ASML Holding N.V.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: #000000; font-size: 9pt; font-kerning: none; padding: 6pt 3pt 3pt 3pt;"&gt;4.4&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="border-bottom-width: 0.5pt; border-bottom-style: solid; break-inside: avoid-page; height: 20pt; border-bottom-color: #000000;"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; text-align: left; font-family: 'TimesNewRomPSPro'; color: #000000; font-size: 9pt; font-kerning: none; padding: 6pt 3pt 3pt 3pt;"&gt;Adobe, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: #000000; font-size: 9pt; font-kerning: none; padding: 6pt 3pt 3pt 3pt;"&gt;4.2&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="border-bottom-width: 0.5pt; border-bottom-style: solid; break-inside: avoid-page; height: 20pt; border-bottom-color: #000000;"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; text-align: left; font-family: 'TimesNewRomPSPro'; color: #000000; font-size: 9pt; font-kerning: none; padding: 6pt 3pt 3pt 3pt;"&gt;Taiwan Semiconductor Manufacturing Co., Ltd.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: #000000; font-size: 9pt; font-kerning: none; padding: 6pt 3pt 3pt 3pt;"&gt;4.0&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="border-bottom-width: initial; border-bottom-style: none; break-inside: avoid-page; height: 20pt; border-bottom-color: initial;"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; text-align: left; font-family: 'TimesNewRomPSPro'; color: #000000; font-size: 9pt; font-kerning: none; padding: 6pt 3pt 3pt 3pt;"&gt;Oracle Corp.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: #000000; font-size: 9pt; font-kerning: none; padding: 6pt 3pt 3pt 3pt;"&gt;3.9&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;

&lt;/table&gt;


&lt;div style="border-bottom-width: 1pt; border-bottom-style: solid; font-kerning: none; font-family: 'timesnewrompspro'; color: #000000; letter-spacing: 1.25px; text-transform: uppercase; font-size: 9pt; border-bottom-color: #000000; text-align: center; padding-bottom: 5pt; margin-bottom: 5pt; font-weight: bold; margin-top: 3pt;"&gt;&lt;b&gt;Sector Allocation&lt;/b&gt;&lt;/div&gt;

&lt;div style="padding-left: 10pt; padding-right: 0px;"&gt;&lt;img alt="Graphical Representation - Allocation 2 Chart" src="chartimages_10021952.jpg" style="width: 172.8pt;"/&gt; &lt;/div&gt;
</oef:HoldingsTableTextBlock>
    <oef:LargestHoldingsTableTextBlock
      contextRef="D20241001_20250331_C000253539Member"
      id="t_13_a1fce195_c0d5_b0b3_4d39_caea9c8839cc">
&lt;div style="border-bottom-width: 1pt; border-bottom-style: solid; font-kerning: none; font-family: 'timesnewrompspro'; color: #000000; letter-spacing: 1.25px; text-transform: uppercase; font-size: 9pt; border-bottom-color: #000000; text-align: center; padding-bottom: 5pt; margin-top: 5pt; font-weight: bold; margin-bottom: 0px;"&gt;&lt;b&gt;Top Ten Holdings&lt;/b&gt;&lt;/div&gt;

&lt;table style="width: 100%; border-collapse: collapse; break-inside: avoid-page;"&gt;

&lt;tr style="border-bottom-width: 0.5pt; border-bottom-style: solid; break-inside: avoid-page; height: 20pt; border-bottom-color: #000000;"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; text-align: left; font-family: 'TimesNewRomPSPro'; color: #000000; font-size: 9pt; font-kerning: none; padding: 6pt 3pt 3pt 3pt;"&gt;Meta Platforms, Inc., Class A&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: #000000; font-size: 9pt; font-kerning: none; padding: 6pt 3pt 3pt 3pt;"&gt;8.9&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="border-bottom-width: 0.5pt; border-bottom-style: solid; break-inside: avoid-page; height: 20pt; border-bottom-color: #000000;"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; text-align: left; font-family: 'TimesNewRomPSPro'; color: #000000; font-size: 9pt; font-kerning: none; padding: 6pt 3pt 3pt 3pt;"&gt;Microsoft Corp.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: #000000; font-size: 9pt; font-kerning: none; padding: 6pt 3pt 3pt 3pt;"&gt;8.3&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="border-bottom-width: 0.5pt; border-bottom-style: solid; break-inside: avoid-page; height: 20pt; border-bottom-color: #000000;"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; text-align: left; font-family: 'TimesNewRomPSPro'; color: #000000; font-size: 9pt; font-kerning: none; padding: 6pt 3pt 3pt 3pt;"&gt;Amazon.com, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: #000000; font-size: 9pt; font-kerning: none; padding: 6pt 3pt 3pt 3pt;"&gt;7.9&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="border-bottom-width: 0.5pt; border-bottom-style: solid; break-inside: avoid-page; height: 20pt; border-bottom-color: #000000;"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; text-align: left; font-family: 'TimesNewRomPSPro'; color: #000000; font-size: 9pt; font-kerning: none; padding: 6pt 3pt 3pt 3pt;"&gt;Alphabet, Inc., Class A&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: #000000; font-size: 9pt; font-kerning: none; padding: 6pt 3pt 3pt 3pt;"&gt;7.5&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="border-bottom-width: 0.5pt; border-bottom-style: solid; break-inside: avoid-page; height: 20pt; border-bottom-color: #000000;"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; text-align: left; font-family: 'TimesNewRomPSPro'; color: #000000; font-size: 9pt; font-kerning: none; padding: 6pt 3pt 3pt 3pt;"&gt;NVIDIA Corp.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: #000000; font-size: 9pt; font-kerning: none; padding: 6pt 3pt 3pt 3pt;"&gt;7.0&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="border-bottom-width: 0.5pt; border-bottom-style: solid; break-inside: avoid-page; height: 20pt; border-bottom-color: #000000;"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; text-align: left; font-family: 'TimesNewRomPSPro'; color: #000000; font-size: 9pt; font-kerning: none; padding: 6pt 3pt 3pt 3pt;"&gt;Palantir Technologies, Inc., Class A&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: #000000; font-size: 9pt; font-kerning: none; padding: 6pt 3pt 3pt 3pt;"&gt;4.9&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="border-bottom-width: 0.5pt; border-bottom-style: solid; break-inside: avoid-page; height: 20pt; border-bottom-color: #000000;"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; text-align: left; font-family: 'TimesNewRomPSPro'; color: #000000; font-size: 9pt; font-kerning: none; padding: 6pt 3pt 3pt 3pt;"&gt;ASML Holding N.V.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: #000000; font-size: 9pt; font-kerning: none; padding: 6pt 3pt 3pt 3pt;"&gt;4.4&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="border-bottom-width: 0.5pt; border-bottom-style: solid; break-inside: avoid-page; height: 20pt; border-bottom-color: #000000;"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; text-align: left; font-family: 'TimesNewRomPSPro'; color: #000000; font-size: 9pt; font-kerning: none; padding: 6pt 3pt 3pt 3pt;"&gt;Adobe, Inc.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: #000000; font-size: 9pt; font-kerning: none; padding: 6pt 3pt 3pt 3pt;"&gt;4.2&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="border-bottom-width: 0.5pt; border-bottom-style: solid; break-inside: avoid-page; height: 20pt; border-bottom-color: #000000;"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; text-align: left; font-family: 'TimesNewRomPSPro'; color: #000000; font-size: 9pt; font-kerning: none; padding: 6pt 3pt 3pt 3pt;"&gt;Taiwan Semiconductor Manufacturing Co., Ltd.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: #000000; font-size: 9pt; font-kerning: none; padding: 6pt 3pt 3pt 3pt;"&gt;4.0&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr style="border-bottom-width: initial; border-bottom-style: none; break-inside: avoid-page; height: 20pt; border-bottom-color: initial;"&gt;
&lt;td style="break-inside: avoid-page; vertical-align: middle; text-align: left; font-family: 'TimesNewRomPSPro'; color: #000000; font-size: 9pt; font-kerning: none; padding: 6pt 3pt 3pt 3pt;"&gt;Oracle Corp.&lt;/td&gt;
&lt;td style="break-inside: avoid-page; text-align: right; vertical-align: middle; white-space: nowrap; font-family: 'TimesNewRomPSPro'; color: #000000; font-size: 9pt; font-kerning: none; padding: 6pt 3pt 3pt 3pt;"&gt;3.9&lt;span&gt;%&lt;/span&gt;&lt;/td&gt;
&lt;/tr&gt;

&lt;/table&gt;
</oef:LargestHoldingsTableTextBlock>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000253539Member_MetaPlatformsIncClassAMember"
      decimals="4"
      id="h_291_9e3014aa_d091_434f_bd35_e368c780218c"
      unitRef="pure">0.089</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000253539Member_MicrosoftCorpMember"
      decimals="4"
      id="h_292_ed168e9f_8984_4c4c_91ed_2a4a0ded582f"
      unitRef="pure">0.083</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000253539Member_AmazonComIncMember"
      decimals="4"
      id="h_293_0016d2bf_1e7f_4f2c_ad56_de390452f0b4"
      unitRef="pure">0.079</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000253539Member_AlphabetIncClassAMember"
      decimals="4"
      id="h_294_92bbb21b_37b9_4dda_9f68_f275a406e965"
      unitRef="pure">0.075</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000253539Member_NVIDIACorpMember"
      decimals="4"
      id="h_295_fdab5542_a5c2_4dc9_976b_440022f61f10"
      unitRef="pure">0.070</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000253539Member_PalantirTechnologiesIncClassAMember"
      decimals="4"
      id="h_296_2c193af3_7aa4_4379_8f23_76187103bd36"
      unitRef="pure">0.049</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000253539Member_ASMLHoldingNVMember"
      decimals="4"
      id="h_297_1641d1c1_f9c5_48c6_96b0_e5a864537cbb"
      unitRef="pure">0.044</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000253539Member_AdobeIncMember"
      decimals="4"
      id="h_298_df369ad5_34d0_4be7_af0d_ed9e243f34b2"
      unitRef="pure">0.042</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000253539Member_TaiwanSemiconductorManufacturingCoLtdMember"
      decimals="4"
      id="h_299_7e9e242e_5333_4026_b761_f330228c9790"
      unitRef="pure">0.040</oef:PctOfTotalInv>
    <oef:PctOfTotalInv
      contextRef="TI20250331_C000253539Member_OracleCorpMember"
      decimals="4"
      id="h_300_3dfbddf1_b170_499b_8c80_7ef50ad0c652"
      unitRef="pure">0.039</oef:PctOfTotalInv>
    <link:footnoteLink
      xlink:role="http://www.xbrl.org/2003/role/link"
      xlink:type="extended">
        <link:loc
          xlink:href="#h_107_2c7cafcd_ad0c_465a_a37d_b4dc410a5eab"
          xlink:label="h_107_2c7cafcd_ad0c_465a_a37d_b4dc410a5eab"
          xlink:type="locator"/>
        <link:footnote id="f_0015_000001" xlink:label="f_0015_000001" xlink:role="http://www.xbrl.org/2003/role/footnote" xlink:type="resource" xml:lang="en-US">Annualized.</link:footnote>
        <link:footnoteArc
          xlink:arcrole="http://www.xbrl.org/2003/arcrole/fact-footnote"
          xlink:from="h_107_2c7cafcd_ad0c_465a_a37d_b4dc410a5eab"
          xlink:to="f_0015_000001"
          xlink:type="arc"/>
        <link:loc
          xlink:href="#h_122_a1347ab5_778c_4059_aeff_4d56c141ef74"
          xlink:label="h_122_a1347ab5_778c_4059_aeff_4d56c141ef74"
          xlink:type="locator"/>
        <link:footnote id="f_0017_000001" xlink:label="f_0017_000001" xlink:role="http://www.xbrl.org/2003/role/footnote" xlink:type="resource" xml:lang="en-US">Annualized.</link:footnote>
        <link:footnoteArc
          xlink:arcrole="http://www.xbrl.org/2003/arcrole/fact-footnote"
          xlink:from="h_122_a1347ab5_778c_4059_aeff_4d56c141ef74"
          xlink:to="f_0017_000001"
          xlink:type="arc"/>
        <link:loc
          xlink:href="#h_137_90e70595_7d43_43dd_929a_b46b08548df8"
          xlink:label="h_137_90e70595_7d43_43dd_929a_b46b08548df8"
          xlink:type="locator"/>
        <link:footnote id="f_0019_000001" xlink:label="f_0019_000001" xlink:role="http://www.xbrl.org/2003/role/footnote" xlink:type="resource" xml:lang="en-US">Annualized.</link:footnote>
        <link:footnoteArc
          xlink:arcrole="http://www.xbrl.org/2003/arcrole/fact-footnote"
          xlink:from="h_137_90e70595_7d43_43dd_929a_b46b08548df8"
          xlink:to="f_0019_000001"
          xlink:type="arc"/>
        <link:loc
          xlink:href="#h_152_c73855cc_ba50_4041_88ba_0e63f3afda2c"
          xlink:label="h_152_c73855cc_ba50_4041_88ba_0e63f3afda2c"
          xlink:type="locator"/>
        <link:footnote id="f_0021_000001" xlink:label="f_0021_000001" xlink:role="http://www.xbrl.org/2003/role/footnote" xlink:type="resource" xml:lang="en-US">Annualized.</link:footnote>
        <link:footnoteArc
          xlink:arcrole="http://www.xbrl.org/2003/arcrole/fact-footnote"
          xlink:from="h_152_c73855cc_ba50_4041_88ba_0e63f3afda2c"
          xlink:to="f_0021_000001"
          xlink:type="arc"/>
        <link:loc
          xlink:href="#h_167_528d8340_9ba9_4153_af18_e0e756f2ab44"
          xlink:label="h_167_528d8340_9ba9_4153_af18_e0e756f2ab44"
          xlink:type="locator"/>
        <link:footnote id="f_0023_000001" xlink:label="f_0023_000001" xlink:role="http://www.xbrl.org/2003/role/footnote" xlink:type="resource" xml:lang="en-US">Annualized.</link:footnote>
        <link:footnoteArc
          xlink:arcrole="http://www.xbrl.org/2003/arcrole/fact-footnote"
          xlink:from="h_167_528d8340_9ba9_4153_af18_e0e756f2ab44"
          xlink:to="f_0023_000001"
          xlink:type="arc"/>
        <link:loc
          xlink:href="#h_17_441186e0_498b_49cd_950c_f88371f1bb4b"
          xlink:label="h_17_441186e0_498b_49cd_950c_f88371f1bb4b"
          xlink:type="locator"/>
        <link:footnote id="f_0003_000001" xlink:label="f_0003_000001" xlink:role="http://www.xbrl.org/2003/role/footnote" xlink:type="resource" xml:lang="en-US">Annualized.</link:footnote>
        <link:footnoteArc
          xlink:arcrole="http://www.xbrl.org/2003/arcrole/fact-footnote"
          xlink:from="h_17_441186e0_498b_49cd_950c_f88371f1bb4b"
          xlink:to="f_0003_000001"
          xlink:type="arc"/>
        <link:loc
          xlink:href="#h_182_3d85645e_e26d_4382_9b22_82b5315e2320"
          xlink:label="h_182_3d85645e_e26d_4382_9b22_82b5315e2320"
          xlink:type="locator"/>
        <link:footnote id="f_0025_000001" xlink:label="f_0025_000001" xlink:role="http://www.xbrl.org/2003/role/footnote" xlink:type="resource" xml:lang="en-US">Annualized.</link:footnote>
        <link:footnoteArc
          xlink:arcrole="http://www.xbrl.org/2003/arcrole/fact-footnote"
          xlink:from="h_182_3d85645e_e26d_4382_9b22_82b5315e2320"
          xlink:to="f_0025_000001"
          xlink:type="arc"/>
        <link:loc
          xlink:href="#h_197_de9fdb66_ac8a_484d_a9ca_d634869fedfb"
          xlink:label="h_197_de9fdb66_ac8a_484d_a9ca_d634869fedfb"
          xlink:type="locator"/>
        <link:footnote id="f_0027_000001" xlink:label="f_0027_000001" xlink:role="http://www.xbrl.org/2003/role/footnote" xlink:type="resource" xml:lang="en-US">Annualized.</link:footnote>
        <link:footnoteArc
          xlink:arcrole="http://www.xbrl.org/2003/arcrole/fact-footnote"
          xlink:from="h_197_de9fdb66_ac8a_484d_a9ca_d634869fedfb"
          xlink:to="f_0027_000001"
          xlink:type="arc"/>
        <link:loc
          xlink:href="#h_2_721462c1_d331_4585_8978_62138926b64a"
          xlink:label="h_2_721462c1_d331_4585_8978_62138926b64a"
          xlink:type="locator"/>
        <link:footnote id="f_0001_000001" xlink:label="f_0001_000001" xlink:role="http://www.xbrl.org/2003/role/footnote" xlink:type="resource" xml:lang="en-US">Annualized.</link:footnote>
        <link:footnoteArc
          xlink:arcrole="http://www.xbrl.org/2003/arcrole/fact-footnote"
          xlink:from="h_2_721462c1_d331_4585_8978_62138926b64a"
          xlink:to="f_0001_000001"
          xlink:type="arc"/>
        <link:loc
          xlink:href="#h_212_48f3fa36_ed60_4dac_ba13_79eca465031a"
          xlink:label="h_212_48f3fa36_ed60_4dac_ba13_79eca465031a"
          xlink:type="locator"/>
        <link:footnote id="f_0029_000001" xlink:label="f_0029_000001" xlink:role="http://www.xbrl.org/2003/role/footnote" xlink:type="resource" xml:lang="en-US">Annualized.</link:footnote>
        <link:footnoteArc
          xlink:arcrole="http://www.xbrl.org/2003/arcrole/fact-footnote"
          xlink:from="h_212_48f3fa36_ed60_4dac_ba13_79eca465031a"
          xlink:to="f_0029_000001"
          xlink:type="arc"/>
        <link:loc
          xlink:href="#h_227_42777b00_542f_4797_adeb_efd4e61c9215"
          xlink:label="h_227_42777b00_542f_4797_adeb_efd4e61c9215"
          xlink:type="locator"/>
        <link:footnote id="f_0031_000001" xlink:label="f_0031_000001" xlink:role="http://www.xbrl.org/2003/role/footnote" xlink:type="resource" xml:lang="en-US">Annualized.</link:footnote>
        <link:footnoteArc
          xlink:arcrole="http://www.xbrl.org/2003/arcrole/fact-footnote"
          xlink:from="h_227_42777b00_542f_4797_adeb_efd4e61c9215"
          xlink:to="f_0031_000001"
          xlink:type="arc"/>
        <link:loc
          xlink:href="#h_242_84377dff_3a43_4172_a18f_26dcce96ef17"
          xlink:label="h_242_84377dff_3a43_4172_a18f_26dcce96ef17"
          xlink:type="locator"/>
        <link:footnote id="f_0033_000001" xlink:label="f_0033_000001" xlink:role="http://www.xbrl.org/2003/role/footnote" xlink:type="resource" xml:lang="en-US">Annualized.</link:footnote>
        <link:footnoteArc
          xlink:arcrole="http://www.xbrl.org/2003/arcrole/fact-footnote"
          xlink:from="h_242_84377dff_3a43_4172_a18f_26dcce96ef17"
          xlink:to="f_0033_000001"
          xlink:type="arc"/>
        <link:loc
          xlink:href="#h_257_4f04112d_0c14_4d8d_a35c_eb229c4eefed"
          xlink:label="h_257_4f04112d_0c14_4d8d_a35c_eb229c4eefed"
          xlink:type="locator"/>
        <link:footnote id="f_0035_000001" xlink:label="f_0035_000001" xlink:role="http://www.xbrl.org/2003/role/footnote" xlink:type="resource" xml:lang="en-US">Annualized.</link:footnote>
        <link:footnoteArc
          xlink:arcrole="http://www.xbrl.org/2003/arcrole/fact-footnote"
          xlink:from="h_257_4f04112d_0c14_4d8d_a35c_eb229c4eefed"
          xlink:to="f_0035_000001"
          xlink:type="arc"/>
        <link:loc
          xlink:href="#h_272_3c97febe_d831_404c_97eb_bdc1adb7b4de"
          xlink:label="h_272_3c97febe_d831_404c_97eb_bdc1adb7b4de"
          xlink:type="locator"/>
        <link:footnote id="f_0037_000001" xlink:label="f_0037_000001" xlink:role="http://www.xbrl.org/2003/role/footnote" xlink:type="resource" xml:lang="en-US">Annualized.</link:footnote>
        <link:footnoteArc
          xlink:arcrole="http://www.xbrl.org/2003/arcrole/fact-footnote"
          xlink:from="h_272_3c97febe_d831_404c_97eb_bdc1adb7b4de"
          xlink:to="f_0037_000001"
          xlink:type="arc"/>
        <link:loc
          xlink:href="#h_286_bb8f29fb_6870_4a5f_bba6_b67305e51b3e"
          xlink:label="h_286_bb8f29fb_6870_4a5f_bba6_b67305e51b3e"
          xlink:type="locator"/>
        <link:footnote id="f_0039_000001" xlink:label="f_0039_000001" xlink:role="http://www.xbrl.org/2003/role/footnote" xlink:type="resource" xml:lang="en-US">The Fund commenced investment operations on November 20, 2024. Had the Fund been in operation for a complete six months, the cost of a $10,000 investment would have been higher.</link:footnote>
        <link:footnoteArc
          xlink:arcrole="http://www.xbrl.org/2003/arcrole/fact-footnote"
          xlink:from="h_286_bb8f29fb_6870_4a5f_bba6_b67305e51b3e"
          xlink:to="f_0039_000001"
          xlink:type="arc"/>
        <link:loc
          xlink:href="#h_287_611ca5b9_a2e6_4618_b228_74f5ebbe995f"
          xlink:label="h_287_611ca5b9_a2e6_4618_b228_74f5ebbe995f"
          xlink:type="locator"/>
        <link:footnote id="f_0039_000002" xlink:label="f_0039_000002" xlink:role="http://www.xbrl.org/2003/role/footnote" xlink:type="resource" xml:lang="en-US">Annualized.</link:footnote>
        <link:footnoteArc
          xlink:arcrole="http://www.xbrl.org/2003/arcrole/fact-footnote"
          xlink:from="h_287_611ca5b9_a2e6_4618_b228_74f5ebbe995f"
          xlink:to="f_0039_000002"
          xlink:type="arc"/>
        <link:loc
          xlink:href="#h_32_dafd81d4_fb28_4b97_bfa6_1328a96e9649"
          xlink:label="h_32_dafd81d4_fb28_4b97_bfa6_1328a96e9649"
          xlink:type="locator"/>
        <link:footnote id="f_0005_000001" xlink:label="f_0005_000001" xlink:role="http://www.xbrl.org/2003/role/footnote" xlink:type="resource" xml:lang="en-US">Annualized.</link:footnote>
        <link:footnoteArc
          xlink:arcrole="http://www.xbrl.org/2003/arcrole/fact-footnote"
          xlink:from="h_32_dafd81d4_fb28_4b97_bfa6_1328a96e9649"
          xlink:to="f_0005_000001"
          xlink:type="arc"/>
        <link:loc
          xlink:href="#h_47_321640dd_f6b2_4a7c_a8fb_5255ee2c95b6"
          xlink:label="h_47_321640dd_f6b2_4a7c_a8fb_5255ee2c95b6"
          xlink:type="locator"/>
        <link:footnote id="f_0007_000001" xlink:label="f_0007_000001" xlink:role="http://www.xbrl.org/2003/role/footnote" xlink:type="resource" xml:lang="en-US">Annualized.</link:footnote>
        <link:footnoteArc
          xlink:arcrole="http://www.xbrl.org/2003/arcrole/fact-footnote"
          xlink:from="h_47_321640dd_f6b2_4a7c_a8fb_5255ee2c95b6"
          xlink:to="f_0007_000001"
          xlink:type="arc"/>
        <link:loc
          xlink:href="#h_62_d17e572b_92b6_4214_9ac6_4185fa7b66cc"
          xlink:label="h_62_d17e572b_92b6_4214_9ac6_4185fa7b66cc"
          xlink:type="locator"/>
        <link:footnote id="f_0009_000001" xlink:label="f_0009_000001" xlink:role="http://www.xbrl.org/2003/role/footnote" xlink:type="resource" xml:lang="en-US">Annualized.</link:footnote>
        <link:footnoteArc
          xlink:arcrole="http://www.xbrl.org/2003/arcrole/fact-footnote"
          xlink:from="h_62_d17e572b_92b6_4214_9ac6_4185fa7b66cc"
          xlink:to="f_0009_000001"
          xlink:type="arc"/>
        <link:loc
          xlink:href="#h_77_d7aaf8cd_c11b_49e9_9470_9e8312fccb49"
          xlink:label="h_77_d7aaf8cd_c11b_49e9_9470_9e8312fccb49"
          xlink:type="locator"/>
        <link:footnote id="f_0011_000001" xlink:label="f_0011_000001" xlink:role="http://www.xbrl.org/2003/role/footnote" xlink:type="resource" xml:lang="en-US">Annualized.</link:footnote>
        <link:footnoteArc
          xlink:arcrole="http://www.xbrl.org/2003/arcrole/fact-footnote"
          xlink:from="h_77_d7aaf8cd_c11b_49e9_9470_9e8312fccb49"
          xlink:to="f_0011_000001"
          xlink:type="arc"/>
        <link:loc
          xlink:href="#h_92_de1ff0dd_17a3_4ce1_97c1_6479ddc2b1f9"
          xlink:label="h_92_de1ff0dd_17a3_4ce1_97c1_6479ddc2b1f9"
          xlink:type="locator"/>
        <link:footnote id="f_0013_000001" xlink:label="f_0013_000001" xlink:role="http://www.xbrl.org/2003/role/footnote" xlink:type="resource" xml:lang="en-US">Annualized.</link:footnote>
        <link:footnoteArc
          xlink:arcrole="http://www.xbrl.org/2003/arcrole/fact-footnote"
          xlink:from="h_92_de1ff0dd_17a3_4ce1_97c1_6479ddc2b1f9"
          xlink:to="f_0013_000001"
          xlink:type="arc"/>
    </link:footnoteLink>
</xbrl>
