<SEC-DOCUMENT>0001562180-20-000963.txt : 20200206
<SEC-HEADER>0001562180-20-000963.hdr.sgml : 20200206
<ACCEPTANCE-DATETIME>20200206172038
ACCESSION NUMBER:		0001562180-20-000963
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20200203
FILED AS OF DATE:		20200206
DATE AS OF CHANGE:		20200206

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			ADZEMA GREGG D
		CENTRAL INDEX KEY:			0001215395

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-11312
		FILM NUMBER:		20583660

	MAIL ADDRESS:	
		STREET 1:		1056 BOLLING ROAD
		CITY:			CHARLETTE
		STATE:			NC
		ZIP:			28207

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>2020-02-03</periodOfReport>

    <notSubjectToSection16>false</notSubjectToSection16>

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

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001215395</rptOwnerCik>
            <rptOwnerName>ADZEMA GREGG D</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>EVP and CFO</officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2020-02-03</value>
            </transactionDate>
            <deemedExecutionDate>
                <value>2020-02-03</value>
            </deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>false</equitySwapInvolved>
                <footnoteId id="F1"/>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>9185.00</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.00</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>66124.00</value>
                    <footnoteId id="F2"/>
                    <footnoteId id="F3"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2020-02-04</value>
            </transactionDate>
            <deemedExecutionDate>
                <value>2020-02-04</value>
            </deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>F</transactionCode>
                <equitySwapInvolved>false</equitySwapInvolved>
                <footnoteId id="F4"/>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>1087.00</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>41.48</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>65037.00</value>
                    <footnoteId id="F5"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2020-02-05</value>
            </transactionDate>
            <deemedExecutionDate>
                <value>2020-02-05</value>
            </deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>F</transactionCode>
                <equitySwapInvolved>false</equitySwapInvolved>
                <footnoteId id="F4"/>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>944.00</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>41.38</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>64093.00</value>
                    <footnoteId id="F6"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">Award of restricted stock shares under the Cousins Properties Incorporated (CPI) 2019 Omnibus Incentive Stock Plan. These shares will vest ratably over three years on each anniversary date of the grant. CPI will hold these shares until such shares become vested. 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>
        <footnote id="F2">On June 14, 2019, Cousins Properties Incorporated restated and amended its articles of incorporation to effect a one-for-four reverse stock split. All outstanding amounts reported herein have been adjusted to reflect post reverse stock split holdings.</footnote>
        <footnote id="F3">Includes 19,238 of restricted stock awarded under the Cousins Properties Incorporated (CPI) 2009 Incentive Stock Plan and 9,185 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>
        <footnote id="F4">Shares withheld from the vesting of restricted stock to pay the reporting person's tax liability as permitted under the 2019 Omnibus Incentive Stock Plan.</footnote>
        <footnote id="F5">Includes 15,871 of restricted stock awarded under the Cousins Properties Incorporated (CPI) 2009 Incentive Stock Plan and 9,185 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>
        <footnote id="F6">Includes 12,737 of restricted stock awarded under the Cousins Properties Incorporated (CPI) 2009 Incentive Stock Plan and 9,185 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 ADZEMA GREGG D</signatureName>
        <signatureDate>2020-02-06</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
