Consolidated Statements of Stockholders' Equity (Unaudited) - USD ($) $ in Thousands	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 [Member]	Total
Balance at Dec. 31, 2020	$ 91	$ 40,480	$ 117,849	$ 1,282	$ (1,450)	$ (55,000)	$ 103,252
Net income			7,946				7,946
Other comprehensive income (loss)				(820)			(820)
Stock repurchases						(2,736)	(2,736)
Restricted stock awards		(222)				222	0
Stock awards withheld for tax withholding						(7)	(7)
Amortization of restricted stock awards		121					121
Earned employee stock ownership plan shares		105			97		202
Balance at Jun. 30, 2021	91	40,484	125,795	462	(1,353)	(57,521)	107,958
Balance at Mar. 31, 2021	91	40,405	121,267	41	(1,401)	(55,339)	105,064
Net income			4,528				4,528
Other comprehensive income (loss)				421			421
Stock repurchases						(2,213)	(2,213)
Restricted stock awards		(38)				38	0
Stock awards withheld for tax withholding						(7)	(7)
Amortization of restricted stock awards		61					61
Earned employee stock ownership plan shares		56			48		104
Balance at Jun. 30, 2021	91	40,484	125,795	462	(1,353)	(57,521)	107,958
Balance at Dec. 31, 2021	91	40,740	131,413	(1,583)	(1,256)	(59,374)	110,031
Net income			3,776				3,776
Other comprehensive income (loss)				(16,269)			(16,269)
Dividends paid to stockholders			(528)				(528)
Stock repurchases						(1,449)	(1,449)
Restricted stock awards		(225)				225	0
Stock awards withheld for tax withholding						(70)	(70)
Amortization of restricted stock awards		117					117
Earned employee stock ownership plan shares		143			97		240
Balance at Jun. 30, 2022	91	40,775	134,661	(17,852)	(1,159)	(60,668)	95,848
Balance at Mar. 31, 2022	91	40,695	132,634	(11,601)	(1,208)	(59,988)	100,623
Net income			2,289				2,289
Other comprehensive income (loss)				(6,251)			(6,251)
Dividends paid to stockholders			(262)				(262)
Stock repurchases						(706)	(706)
Restricted stock awards		(43)				43	0
Stock awards withheld for tax withholding						(17)	(17)
Amortization of restricted stock awards		55					55
Earned employee stock ownership plan shares		68			49		117
Balance at Jun. 30, 2022	$ 91	$ 40,775	$ 134,661	$ (17,852)	$ (1,159)	$ (60,668)	$ 95,848