Consolidated Statements of Changes in Shareholders' Equity (Unaudited) - USD ($) shares in Thousands, $ in Thousands	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] Unearned ESOP Shares [Member]	Cumulative Effect, Period of Adoption, Adjustment [Member] AOCI Attributable to Parent [Member]	Cumulative Effect, Period of Adoption, Adjustment [Member]	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Unearned ESOP Shares [Member]	AOCI Attributable to Parent [Member]	Total
Balances (in shares) at Dec. 31, 2021							24,795
Balances at Dec. 31, 2021	$ 0	$ 0	$ (1,392)	$ 0	$ 0	$ (1,392)	$ 248	$ 174,505	$ 273,398	$ (14,243)	$ (1,135)	$ 432,773
Net income							0	0	(5,291)	0	0	(5,291)
Other comprehensive loss							0	0	0	0	7,002	7,002
Total comprehensive income (loss)												(1,711)
ESOP shares committed to be released to plan participants							0	236	0	297	0	533
Cash dividend							$ 0	0	(4,557)	0	0	(4,557)
Proceeds from stock option exercises (in shares)							33
Proceeds from stock option exercises							$ 0	191	0	0	0	191
Stock compensation expense							$ 0	170	0	0	0	170
Purchase of common stock returned to authorized but unissued (in shares)							(681)
Purchase of common stock returned to authorized but unissued							$ (7)	(13,748)	0	0	0	(13,755)
Net income							0	0	5,291	0	0	5,291
Other comprehensive income							$ 0	0	0	0	(7,002)	(7,002)
Balances (in shares) at Mar. 31, 2022							24,147
Balances at Mar. 31, 2022							$ 241	161,354	272,740	(13,946)	(8,137)	412,252
Balances (in shares) at Dec. 31, 2022							22,174
Balances at Dec. 31, 2022							$ 222	128,550	274,246	(13,056)	(19,476)	370,486
Net income							0	0	(2,155)	0	0	(2,155)
Other comprehensive loss							0	0	0	0	(2,107)	(2,107)
Total comprehensive income (loss)												4,262
ESOP shares committed to be released to plan participants							0	129	0	297	0	426
Cash dividend							$ 0	0	(4,133)	0	0	(4,133)
Proceeds from stock option exercises (in shares)							66
Proceeds from stock option exercises							$ 1	500	0	0	0	501
Stock compensation expense							$ 0	106	0	0	0	106
Purchase of common stock returned to authorized but unissued (in shares)							(373)
Purchase of common stock returned to authorized but unissued							$ (4)	(5,837)	0	0	0	(5,841)
Net income							0	0	2,155	0	0	2,155
Other comprehensive income							$ 0	0	0	0	2,107	2,107
Balances (in shares) at Mar. 31, 2023							21,867
Balances at Mar. 31, 2023							$ 219	$ 123,448	$ 272,268	$ (12,759)	$ (17,369)	$ 365,807