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Cover
Jan. 27, 2023
Document Information [Line Items]  
Entity Registrant Name DIME COMMUNITY BANCSHARES, INC.
Entity Central Index Key 0000846617
Entity Emerging Growth Company false
Document Type 8-K
Entity Central Index Key 0000846617
Amendment Flag false
Document Period End Date Jan. 27, 2023
Securities Act File Number 001-34096
Entity Tax Identification Number 11-2934195
Entity Incorporation, State or Country Code NY
Entity Address, Address Line One 898 Veterans Memorial Highway, Suite 560
Entity Address, City or Town Hauppauge
Entity Address, State or Province NY
Entity Address, Postal Zip Code 11788
City Area Code 631
Local Phone Number 537-1000
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Common Stock  
Document Information [Line Items]  
Title of 12(b) Security Common Stock, $0.01 Par Value
Trading Symbol DCOM
Security Exchange Name NASDAQ
Preferred Stock, Series A [Member]  
Document Information [Line Items]  
Title of 12(b) Security Preferred Stock, Series A, $0.01 Par Value
Trading Symbol DCOMP
Security Exchange Name NASDAQ