Parent Company Financial Information - Statements of Income (Details) - USD ($)	3 Months Ended								12 Months Ended
	Dec. 31, 2024	Sep. 30, 2024	Jun. 30, 2024	Mar. 31, 2024	Dec. 31, 2023	Sep. 30, 2023	Jun. 30, 2023	Mar. 31, 2023	Dec. 31, 2024	Dec. 31, 2023
Statements of Income
Other expenses									$ (11,891,000)	$ (11,638,000)
Income before income tax benefit and equity in undistributed net income of subsidiary	$ (95,000)	$ 79,000	$ (392,000)	$ (229,000)	$ 140,000	$ 539,000	$ 301,000	$ 521,000	(637,000)	1,501,000
Income tax benefit									525,000.000	(72,000)
Net (loss) income	$ (40,000)	$ 129,000	$ (204,000)	$ 3,000	$ 167,000	$ 552,000	$ 275,000	$ 435,000	(111,563)	1,429,094
Glen Burnie Bancorp
Statements of Income
Dividends and distributions from subsidiary									990,000	1,210,000
Other expenses									(282,000)	(205,000)
Income before income tax benefit and equity in undistributed net income of subsidiary									708,000	1,005,000
Income tax benefit									59,000	43,000
Change in undistributed equity of subsidiary									(879,000)	381,000
Net (loss) income									$ (112,000)	$ 1,429,000