v3.25.2
Cover Page
Jul. 24, 2025
Cover [Abstract]  
Document Type 8-K
Document Period End Date Jul. 24, 2025
Entity Registrant Name OCEANFIRST FINANCIAL CORP.
Entity Incorporation, State or Country Code DE
Entity File Number 001-11713
Entity Tax Identification Number 22-3412577
Entity Address, Address Line One 110 West Front Street
Entity Address, City or Town Red Bank
Entity Address, State or Province NJ
Entity Address, Postal Zip Code 07701
City Area Code 732
Local Phone Number 240-4500
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Title of 12(b) Security Common stock, $0.01 par value per share
Trading Symbol OCFC
Security Exchange Name NASDAQ
Entity Emerging Growth Company false
Entity Central Index Key 0001004702
Amendment Flag false