Consolidated Statements of Changes in Stockholders' Equity - USD ($) $ in Thousands	Preferred Stock [Member] Preferred Stock Non-Voting [Member]	Common Stock [Member] Common Stock Voting [Member]	Common Stock [Member] Common Stock Non-Voting [Member]	Additional Paid-in Capital [Member]	Accumulated Other Comprehensive (Loss) [Member]	Retained Earnings [Member]	Unearned ESOP Shares [Member]	Treasury Stock [Member]	Non-Controlling Interest [Member]	Total	Cumulative Effect, Period of Adoption, Adjustment [Member] Preferred Stock [Member] Preferred Stock Non-Voting [Member]	Cumulative Effect, Period of Adoption, Adjustment [Member] Common Stock [Member] Common Stock Voting [Member]	Cumulative Effect, Period of Adoption, Adjustment [Member] Common Stock [Member] Common Stock Non-Voting [Member]	Cumulative Effect, Period of Adoption, Adjustment [Member] Additional Paid-in Capital [Member]	Cumulative Effect, Period of Adoption, Adjustment [Member] Accumulated Other Comprehensive (Loss) [Member]	Cumulative Effect, Period of Adoption, Adjustment [Member] Retained Earnings [Member]	Cumulative Effect, Period of Adoption, Adjustment [Member] Unearned ESOP Shares [Member]	Cumulative Effect, Period of Adoption, Adjustment [Member] Treasury Stock [Member]	Cumulative Effect, Period of Adoption, Adjustment [Member] Non-Controlling Interest [Member]	Cumulative Effect, Period of Adoption, Adjustment [Member]
Balance at Dec. 31, 2021	$ 3,000	$ 463	$ 281	$ 140,289	$ (551)	$ 3,673	$ (829)	$ (5,326)	$ 100	$ 141,100
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	0	0	0	0	0	958	0	0	24	982
Conversion of preferred stock into common stock	(3,000)	12	0	2,988	0	0	0	0	0	0
Conversion of non-voting common shares into voting common shares	0	9	(9)	0	0	0	0	0	0	0
Release of unearned ESOP shares	0	0	0	2	0	0	16	0	0	18
Stock-based compensation expense	0	5	0	10	0	0	0	0	0	15
Dividends paid on preferred stock	0	0	0	0	0	(15)	0	0	0	(15)
Director stock compensation expense	0	0	0	84	0	0	0	0	0	84
Other comprehensive income (loss), net of tax	0	0	0	0	(5,847)	0	0	0	0	(5,847)
Balance at Mar. 31, 2022	0	489	272	143,373	(6,398)	4,616	(813)	(5,326)	124	136,337
Balance at Dec. 31, 2022	150,000	513	248	143,491	(17,473)	9,294	(1,265)	(5,326)	170	279,652
Balance (ASU 2016-13 [Member]) at Dec. 31, 2022	150,000	513	248	143,491	(17,473)	8,038	(1,265)	(5,326)	170	278,396	$ 0	$ 0	$ 0	$ 0	$ 0	$ (1,256)	$ 0	$ 0	$ 0	$ (1,256)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	0	0	0	0	0	1,573	0	0	22	1,595
Release of unearned ESOP shares	0	0	0	(4)	0	0	(198)	0	0	(202)
Increase in unreleased shares	0	0	0	0	0	0	(2,500)	0	0	(2,500)
Stock-based compensation expense	0	0	0	38	0	0	0	0	0	38
Director stock compensation expense	0	0	0	96	0	0	0	0	0	96
Other comprehensive income (loss), net of tax	0	0	0	0	2,445	0	0	0	0	2,445
Balance at Mar. 31, 2023	$ 150,000	$ 513	$ 248	$ 143,621	$ (15,028)	$ 9,611	$ (3,963)	$ (5,326)	$ 192	$ 279,868