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 Income [Member]	Retained Earnings (Substantially Restricted) [Member]	Unearned ESOP Shares [Member]	Treasury Stock [Member]	Non-controlling Interest [Member]	Total
Balance at Dec. 31, 2019	$ 0	$ 218	$ 87	$ 46,426	$ (23)	$ 8,425	$ (959)	$ (5,326)	$ 0	$ 48,848
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	0	0	0	0	0	(61)	0	0	0	(61)
Release of unearned ESOP shares	0	0	0	0	0	0	50	0	0	50
Stock awarded to directors	0	0	0	45	0	0	0	0	0	45
Stock option compensation expense	0	0	0	29	0	0	0	0	0	29
Restricted stock compensation expense	0	1	0	250	0	0	0	0	0	251
Other comprehensive income (loss), net of tax	0	0	0	0	204	0	0	0	0	204
Balance at Sep. 30, 2020	0	219	87	46,750	181	8,364	(909)	(5,326)	0	49,366
Balance at Jun. 30, 2020	0	219	87	46,650	209	8,608	(927)	(5,326)	0	49,520
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	0	0	0	0	0	(244)	0	0	0	(244)
Release of unearned ESOP shares	0	0	0	0	0	0	18	0	0	18
Stock option compensation expense	0	0	0	10	0	0	0	0	0	10
Restricted stock compensation expense	0	0	0	90	0	0	0	0	0	90
Other comprehensive income (loss), net of tax	0	0	0	0	(28)	0	0	0	0	(28)
Balance at Sep. 30, 2020	0	219	87	46,750	181	8,364	(909)	(5,326)	0	49,366
Balance at Dec. 31, 2020	0	219	87	46,851	164	7,783	(893)	(5,326)	0	48,885
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	0	0	0	0	0	(2,604)	0	0	57	(2,547)
Preferred shares issued in business combination	3,000	0	0	0	0	0	0	0	0	3,000
Common shares issued in business combination	0	140	114	62,839	0	0	0	0	164	63,257
Shares transferred from voting to non-voting after business combination	0	(7)	7	0	0	0	0	0	0	0
Common shares issued in private placement	0	112	73	30,652	0	0	0	0	0	30,837
Release of unearned ESOP shares	0	0	0	32	0	0	49	0	0	81
Dividends paid on preferred stock	0			0	0	(30)	0	0	0	(30)
Stock awarded to directors	0	0	0	45	0	0	0	0	0	45
Stock option compensation expense	0	0	0	7	0	0	0	0	0	7
Common stock cancelled for payment of tax withholdings	0	(2)	0	(512)	0	0	0	0	0	(514)
Restricted stock compensation expense	0	1	0	361	0	0	0	0	0	362
Payment to non-controlling interest	0	0	0	0	0	0	0	0	(165)	(165)
Other comprehensive income (loss), net of tax	0	0	0	0	161	0	0	0	0	161
Balance at Sep. 30, 2021	3,000	463	281	140,275	325	5,149	(844)	(5,326)	56	143,379
Balance at Jun. 30, 2021	3,000	462	281	140,125	785	4,997	(861)	(5,326)	32	143,495
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	0	0	0	0	0	182	0	0	24	206
Release of unearned ESOP shares	0	0	0	17	0	0	17	0	0	34
Dividends paid on preferred stock	0			0	0	(30)	0	0	0	(30)
Common stock cancelled for payment of tax withholdings	0	0	0	(66)	0	0	0	0	0	(66)
Restricted stock compensation expense	0	1	0	199	0	0	0	0	0	200
Other comprehensive income (loss), net of tax	0	0	0	0	(460)	0	0	0	0	(460)
Balance at Sep. 30, 2021	$ 3,000	$ 463	$ 281	$ 140,275	$ 325	$ 5,149	$ (844)	$ (5,326)	$ 56	$ 143,379