Document and Entity Information - USD ($)	12 Months Ended
	Dec. 31, 2016	Feb. 06, 2017	Jun. 30, 2016
Document And Entity Information [Abstract]
Entity Registrant Name	GLEN BURNIE BANCORP
Entity Central Index Key	0000890066
Trading Symbol	glbz
Entity Current Reporting Status	Yes
Entity Voluntary Filers	No
Current Fiscal Year End Date	--12-31
Entity Filer Category	Smaller Reporting Company
Entity Well-Known Seasoned Issuer	No
Entity Common Stock Shares Outstanding		2,790,260
Entity Public Float			$ 23,816,909
Document Type	10-K
Document Period End Date	Dec. 31, 2016
Amendment Flag	false
Document Fiscal Year Focus	2016
Document Fiscal Period Focus	FY