Cover - USD ($)	12 Months Ended
	Dec. 31, 2023	Mar. 19, 2024	Jun. 30, 2023
Cover [Abstract]
Document Type	10-K/A
Amendment Flag	false
Document Annual Report	true
Document Transition Report	false
Document Period End Date	Dec. 31, 2023
Document Fiscal Period Focus	FY
Document Fiscal Year Focus	2023
Current Fiscal Year End Date	--12-31
Entity File Number	0-24047
Entity Registrant Name	GLEN BURNIE BANCORP
Entity Central Index Key	0000890066
Entity Tax Identification Number	52-1782444
Entity Incorporation, State or Country Code	MD
Entity Address, Address Line One	101 Crain Highway, S.E.
Entity Address, City or Town	Glen Burnie
Entity Address, State or Province	MD
Entity Address, Postal Zip Code	21061
City Area Code	410
Local Phone Number	766-3300
Title of 12(b) Security	Common Stock, par value $1.00 per share
Trading Symbol	GLBZ
Security Exchange Name	NASDAQ
Entity Well-known Seasoned Issuer	No
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Non-accelerated Filer
Entity Small Business	true
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Public Float			$ 18,633,717
Entity Common Stock, Shares Outstanding		2,887,467
ICFR Auditor Attestation Flag	false
Document Financial Statement Error Correction [Flag]	false
Auditor Name	UHY LLP
Auditor Firm ID	1195
Auditor Location	Salisbury, Maryland