Parent Company Financial Information - Balance Sheets (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
ASSETS
Cash and cash equivalents	$ 30,092
Other assets	388	$ 383
Total Assets	381,436	442,066
Stockholders' equity:
Common stock	2,865	2,854
Surplus	10,862	10,759
Retained earnings	23,579	22,977
Accumulated other comprehensive loss, net of benefits	(21,252)	(874)
Total Stockholders' Equity	16,054	35,716	$ 37,093
Total Liabilities and Stockholders' Equity	381,436	442,066
Glen Burnie Bancorp
ASSETS
Cash and cash equivalents	77	99	$ 111
Investment in The Bank of Glen Burnie	15,975	35,614
Other assets	2	3
Total Assets	16,054	35,716
Stockholders' equity:
Common stock	2,865	2,854
Surplus	10,862	10,759
Retained earnings	23,579	22,977
Accumulated other comprehensive loss, net of benefits	(21,252)	(874)
Total Stockholders' Equity	16,054	35,716
Total Liabilities and Stockholders' Equity	$ 16,054	$ 35,716