    <SEC-DOCUMENT>0001004702-21-000093-index.html : 20210429
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    <ACCEPTANCE-DATETIME>20210429164531
    ACCESSION NUMBER:		0001004702-21-000093
    CONFORMED SUBMISSION TYPE:	8-K
    PUBLIC DOCUMENT COUNT:		28
    CONFORMED PERIOD OF REPORT:	20210429
    ITEM INFORMATION:		Results of Operations and Financial Condition
    ITEM INFORMATION:		Regulation FD Disclosure
    ITEM INFORMATION:		Other Events
    ITEM INFORMATION:		Financial Statements and Exhibits
    FILED AS OF DATE:		20210429
    DATE AS OF CHANGE:		20210429

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			OCEANFIRST FINANCIAL CORP
    		CENTRAL INDEX KEY:			0001004702
    		STANDARD INDUSTRIAL CLASSIFICATION:	SAVINGS INSTITUTION, FEDERALLY CHARTERED [6035]
    		IRS NUMBER:				223412577
    		STATE OF INCORPORATION:			DE
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		8-K
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-11713
    		FILM NUMBER:		21871485

    	BUSINESS ADDRESS:
    		STREET 1:		975 HOOPER AVE
    		CITY:			TOMS RIVER
    		STATE:			NJ
    		ZIP:			08753-8396
    		BUSINESS PHONE:		7322404500

    	MAIL ADDRESS:
    		STREET 1:		975 HOOPER AVENUE
    		CITY:			TOMS RIVER
    		STATE:			NJ
    		ZIP:			08723

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	OCEAN FINANCIAL CORP
    		DATE OF NAME CHANGE:	19951208
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>8-K
    <SEQUENCE>1
    <FILENAME>ocfc-20210429.htm
    <DESCRIPTION>8-K
    <TEXT>
    Document 1 - file: ocfc-20210429.htm

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    <DOCUMENT>
    <TYPE>EX-99.1
    <SEQUENCE>2
    <FILENAME>ex991-earningsreleasemarch.htm
    <DESCRIPTION>EX-99.1
    <TEXT>
    Document 2 - file: ex991-earningsreleasemarch.htm

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    <DOCUMENT>
    <TYPE>EX-99.2
    <SEQUENCE>3
    <FILENAME>ex992-earningssupplement.htm
    <DESCRIPTION>EX-99.2
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    Document 3 - file: ex992-earningssupplement.htm

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