<SEC-DOCUMENT>0001562180-20-001020.txt : 20200207
<SEC-HEADER>0001562180-20-001020.hdr.sgml : 20200207
<ACCEPTANCE-DATETIME>20200207162434
ACCESSION NUMBER:		0001562180-20-001020
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20200206
FILED AS OF DATE:		20200207
DATE AS OF CHANGE:		20200207

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			MCCOLL JOHN S
		CENTRAL INDEX KEY:			0001231794

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-11312
		FILM NUMBER:		20587789

	MAIL ADDRESS:	
		STREET 1:		3344 PEACHTREE ROAD NE STE 1800
		CITY:			ATLANTA
		STATE:			GA
		ZIP:			30326

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			COUSINS PROPERTIES INC
		CENTRAL INDEX KEY:			0000025232
		STANDARD INDUSTRIAL CLASSIFICATION:	REAL ESTATE INVESTMENT TRUSTS [6798]
		IRS NUMBER:				580869052
		STATE OF INCORPORATION:			GA
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		3344 PEACHTREE ROAD, NE
		STREET 2:		SUITE 1800
		CITY:			ATLANTA
		STATE:			GA
		ZIP:			30326
		BUSINESS PHONE:		404-407-1000

	MAIL ADDRESS:	
		STREET 1:		3344 PEACHTREE ROAD, NE
		STREET 2:		SUITE 1800
		CITY:			ATLANTA
		STATE:			GA
		ZIP:			30326
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>primarydocument.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2020-02-06</periodOfReport>

    <notSubjectToSection16>false</notSubjectToSection16>

    <issuer>
        <issuerCik>0000025232</issuerCik>
        <issuerName>COUSINS PROPERTIES INC</issuerName>
        <issuerTradingSymbol>CUZ</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001231794</rptOwnerCik>
            <rptOwnerName>MCCOLL JOHN S</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>3344 PEACHTREE ROAD</rptOwnerStreet1>
            <rptOwnerStreet2>SUITE 1800</rptOwnerStreet2>
            <rptOwnerCity>ATLANTA</rptOwnerCity>
            <rptOwnerState>GA</rptOwnerState>
            <rptOwnerZipCode>30326</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>false</isDirector>
            <isOfficer>true</isOfficer>
            <isTenPercentOwner>false</isTenPercentOwner>
            <isOther>false</isOther>
            <officerTitle>Executive Vice President</officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2020-02-06</value>
            </transactionDate>
            <deemedExecutionDate>
                <value>2020-02-06</value>
            </deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>F</transactionCode>
                <equitySwapInvolved>false</equitySwapInvolved>
                <footnoteId id="F1"/>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>348.00</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>41.29</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>44207.00</value>
                    <footnoteId id="F2"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">Shares withheld from the vesting of restricted stock to pay the reporting person's tax liability as permitted under the 2009 Incentive Stock Plan.</footnote>
        <footnote id="F2">Includes 3,605 of restricted stock awarded under the Cousins Properties Incorporated (CPI) 2009 Incentive Stock Plan and 3,626 of restricted stock awarded under the CPI 2019 Omnibus Incentive Stock Plan. While the shares are being held prior to vesting, the reporting person will have the right to receive all cash dividends and to vote the restricted shares. All unvested shares will forfeit upon termination of employment.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s /Pamela Roper, Attorney-in-Fact for MCCOLL JOHN S</signatureName>
        <signatureDate>2020-02-07</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
