Parent Company Financial Information - Statements of Income (Details) - USD ($)	3 Months Ended								12 Months Ended
	Dec. 31, 2023	Sep. 30, 2023	Jun. 30, 2023	Mar. 31, 2023	Dec. 31, 2022	Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2022	Dec. 31, 2023	Dec. 31, 2022
Statements of Income
Other expenses									$ (11,638,000)	$ (11,340,000)
Income before income tax benefit and equity in undistributed net income of subsidiary	$ 140,000	$ 539,000	$ 301,000	$ 521,000	$ 994,000	$ 395,000	$ 345,000	$ 251,000	1,501,000	1,985,000
Income tax benefit									(72,000)	(240,000)
Net Income (Loss)	$ 167,000	$ 552,000	$ 275,000	$ 435,000	$ 830,000	$ 375,000	$ 309,000	$ 231,000	1,429,094	1,745,182
Glen Burnie Bancorp
Statements of Income
Dividends and distributions from subsidiary									1,210,000	1,210,000
Other expenses									(205,000)	(243,000)
Income before income tax benefit and equity in undistributed net income of subsidiary									1,005,000	967,000
Income tax benefit									43,000	39,000
Change in undistributed equity of subsidiary									381,000	739,000
Net Income (Loss)									$ 1,429,000	$ 1,745,000