Consolidated Statements of Stockholders' Equity (Unaudited) - USD ($)	Cumulative Effect, Period of Adoption, Adjustment [Member] Common Stock [Member]	Cumulative Effect, Period of Adoption, Adjustment [Member] Additional Paid-in Capital [Member]	Cumulative Effect, Period of Adoption, Adjustment [Member] Retained Earnings [Member]	Cumulative Effect, Period of Adoption, Adjustment [Member] AOCI Attributable to Parent [Member]	Cumulative Effect, Period of Adoption, Adjustment [Member] Unearned Employee Stock Ownership Plan Shares [Member]	Cumulative Effect, Period of Adoption, Adjustment [Member] Treasury Stock, Common [Member]	Cumulative Effect, Period of Adoption, Adjustment [Member]	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	AOCI Attributable to Parent [Member]	Unearned Employee Stock Ownership Plan Shares [Member]	Treasury Stock, Common [Member]	Total
Balance at Dec. 31, 2021								$ 91,000	$ 40,740,000	$ 131,413,000	$ (1,583,000)	$ (1,256,000)	$ (59,374,000)	$ 110,031,000
Net income										1,487,000				1,487,000
Other comprehensive income (loss)											(10,018,000)			(10,018,000)
Dividends paid to stockholders ($0.06 per share)										(266)				(266)
Restricted stock awards									(182,000)				182,000	0
Stock awards withheld for tax withholding													(53,000)	(53,000)
Amortization of restricted stock awards									62,000					62,000
Earned employee stock ownership plan shares									75,000			48,000		123,000
Stock repurchases													(743,000)	(743,000)
Balance at Mar. 31, 2022								91,000	40,695,000	132,634,000	(11,601,000)	(1,208,000)	(59,988,000)	100,623,000
Balance (Accounting Standards Update 2016-13 [Member]) at Dec. 31, 2022			$ (830,000)				$ (830,000)
Balance at Dec. 31, 2022								91,000	41,013,000	138,409,000	(19,761,000)	(1,063,000)	(61,353,000)	97,336,000
Net income										1,634,000				1,634,000
Other comprehensive income (loss)											2,246,000			2,246,000
Dividends paid to stockholders ($0.06 per share)										(261,000)				(261,000)
Restricted stock awards									(150,000)				150,000	0
Stock awards withheld for tax withholding													(64,000)	(64,000)
Amortization of restricted stock awards									54,000					54,000
Earned employee stock ownership plan shares									58,000			49,000		107,000
Balance at Mar. 31, 2023								$ 91,000	$ 40,975,000	$ 138,952,000	$ (17,515,000)	$ (1,014,000)	$ (61,267,000)	$ 100,222,000