Document and Entity Information - USD ($)	12 Months Ended
	Dec. 31, 2022	Mar. 15, 2023	Jun. 30, 2022
Document and Entity Information
Document Type	10-K
Document Annual Report	true
Document Period End Date	Dec. 31, 2022
Document Transition Report	false
Entity File Number	0-24047
Entity Registrant Name	GLEN BURNIE BANCORP
Entity Incorporation, State or Country Code	MD
Entity Tax Identification Number	52-1782444
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
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
ICFR Auditor Attestation Flag	false
Entity Shell Company	false
Entity Public Float			$ 25,715,879
Entity Common Stock Shares Outstanding		2,868,504
Auditor Name	UHY LLP
Auditor Firm ID	1195
Auditor Location	Salisbury, Maryland
Entity Central Index Key	0000890066
Current Fiscal Year End Date	--12-31
Document Fiscal Year Focus	2022
Document Fiscal Period Focus	FY
Amendment Flag	false
Common Stock
Document and Entity Information
Title of 12(g) Security	Common Stock, $1.00 par value
Common Stock Purchase Rights
Document and Entity Information
Title of 12(g) Security	Common Stock Purchase Rights