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

    <schemaVersion>X0303</schemaVersion>

    <documentType>4/A</documentType>

    <periodOfReport>2008-10-03</periodOfReport>

    <dateOfOriginalSubmission>2008-10-07</dateOfOriginalSubmission>

    <issuer>
        <issuerCik>0000913241</issuerCik>
        <issuerName>STEVEN MADDEN, LTD.</issuerName>
        <issuerTradingSymbol>SHOO</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001167513</rptOwnerCik>
            <rptOwnerName>SINHA AWADHESH K</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O STEVEN MADDEN, LTD.</rptOwnerStreet1>
            <rptOwnerStreet2>52-16 BARNETT AVENUE</rptOwnerStreet2>
            <rptOwnerCity>LONG ISLAND CITY,</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>11104</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Chief Operating Officer</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Stock Option (right to buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>23.46</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2008-10-03</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>50000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F1"/>
            </exerciseDate>
            <expirationDate>
                <value>2015-10-03</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>50000</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>50000</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">This Form 4 amends a Form 4 filed by the reporting person on October 7, 2008 (the &quot;Original Form 4&quot;) which erroneously reported that the number of derivative securities beneficially owned following the reported transaction was 91,350 rather than 50,000 (Table II - Column 9): this has been corrected above.  Additionally, the Original Form 4 inaccurately indicated in Footnote 1 to Table II the number of shares vesting in each year pursuant to the vesting schedule for the option granted.  The option, which vests in three installments over three years commencing on the first anniversary of the date of grant, is exercisable as to 16,667 shares on each of October 3, 2009 and October 3, 2010 and as to 16,666 shares on October 3, 2011.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Arvind Dharia, Attorney-in-Fact for Awadhesh K. Sinha</signatureName>
        <signatureDate>2009-12-17</signatureDate>
    </ownerSignature>
</ownershipDocument>
