<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4/A</documentType>

    <periodOfReport>2020-05-14</periodOfReport>

    <dateOfOriginalSubmission>2020-05-15</dateOfOriginalSubmission>

    <notSubjectToSection16>false</notSubjectToSection16>

    <issuer>
        <issuerCik>0001455684</issuerCik>
        <issuerName>TPI COMPOSITES, INC</issuerName>
        <issuerTradingSymbol>TPIC</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001016697</rptOwnerCik>
            <rptOwnerName>GIOVACCHINI PAUL G</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>10 MILL POND LANE</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>SIMSBURY</rptOwnerCity>
            <rptOwnerState>CT</rptOwnerState>
            <rptOwnerZipCode>06070</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>true</isDirector>
            <isOfficer>false</isOfficer>
            <isTenPercentOwner>false</isTenPercentOwner>
            <isOther>false</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2020-05-14</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>M</transactionCode>
                <equitySwapInvolved>false</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>4089.00</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.00</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>19106.00</value>
                    <footnoteId id="F1"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">The original Form 4, filed on May 15, 2020 (the &quot;Original Form 4&quot;), is being amended to clarify in Footnote 1 that the Reporting Person is contractually obligated to turn over the proceeds from the sale of 10,017 of these shares to Landmark Growth Capital Partners, L.P. (&quot;LGCP&quot;) and Landmark IAM Growth Capital L.P. (&quot;Landmark IAM&quot;).  Footnote 1 is restated as follows: &quot;The Reporting Person is contractually obligated to turn over the proceeds from the sale of 10,017 of these shares to LGCP and Landmark IAM (the &quot;Assigned Shares&quot;).  The Reporting Person disclaims beneficial ownership of the Assigned Shares for purposes of Rule 16(a)-1(a) under the Securities and Exchange Act of 1934, as amended, except to the extent of his pecuniary interest therein, if any.&quot;</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Steven G. Fishbach, Attorney-in-Fact</signatureName>
        <signatureDate>2020-05-20</signatureDate>
    </ownerSignature>
</ownershipDocument>
