LOANS RECEIVABLE AND ALLOWANCE FOR CREDIT LOSSES - Allowance by Loan Segment (Details) - USD ($)	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021	Dec. 31, 2021
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Balance, beginning of year			$ 2,470,000	$ 1,476,000	$ 1,476,000
Impact of ASC 326 adoption					1,574,000
Charged off			(107,000)	(124,000)	(253,000)
Recoveries			92,000		648,000
Provision for loan losses	$ (116,000)	$ (67,000)	(217,000)	(471,000)	(975,000)
Balance, end of year	2,238,000		2,238,000		2,470,000
Individually evaluated for impairment:
Individually evaluated for impairment, Balance in allowance	14,000		14,000		10,000
Individually evaluated for impairment, Related loan balance	35,000		35,000		36,000
Collectively evaluated for impairment:
Collectively evaluated for impairment, Balance in allowance	2,224,000		2,224,000		2,460,000
Collectively evaluated for impairment, Related loan balance	200,663,000		200,663,000		210,356,000
Real Estate Loan
Individually evaluated for impairment:
Individually evaluated for impairment, Balance in allowance	14,000		14,000		10,000
Construction And Land Development [Member] | Real Estate Loan
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Balance, beginning of year			5,000	9,000	9,000
Impact of ASC 326 adoption					16,000
Provision for loan losses			26,000		(20,000)
Balance, end of year	31,000		31,000		5,000
Collectively evaluated for impairment:
Collectively evaluated for impairment, Balance in allowance	31,000		31,000		5,000
Collectively evaluated for impairment, Related loan balance	4,216,000		4,216,000		4,087,000
Farmland | Real Estate Loan
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Balance, beginning of year			11,000	2,000	2,000
Impact of ASC 326 adoption					9,000
Provision for loan losses			10,000
Balance, end of year	21,000		21,000		11,000
Collectively evaluated for impairment:
Collectively evaluated for impairment, Balance in allowance	21,000		21,000		11,000
Collectively evaluated for impairment, Related loan balance	338,000		338,000		342,000
Single-family | Real Estate Loan
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Balance, beginning of year			1,357,000	513,000	513,000
Impact of ASC 326 adoption					854,000
Recoveries					408,000
Provision for loan losses			(124,000)		(418,000)
Balance, end of year	1,233,000		1,233,000		1,357,000
Individually evaluated for impairment:
Individually evaluated for impairment, Balance in allowance	14,000		14,000		10,000
Individually evaluated for impairment, Related loan balance	35,000		35,000		36,000
Collectively evaluated for impairment:
Collectively evaluated for impairment, Balance in allowance	1,219,000		1,219,000		1,347,000
Collectively evaluated for impairment, Related loan balance	80,135,000		80,135,000		78,083,000
Multi-family | Real Estate Loan
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Balance, beginning of year			105,000	39,000	39,000
Impact of ASC 326 adoption					63,000
Provision for loan losses			(2,000)		3,000
Balance, end of year	103,000		103,000		105,000
Collectively evaluated for impairment:
Collectively evaluated for impairment, Balance in allowance	103,000		103,000		105,000
Collectively evaluated for impairment, Related loan balance	5,370,000		5,370,000		5,428,000
Commercial and industrial | Commercial and Industrial
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Balance, beginning of year			115,000	67,000	67,000
Impact of ASC 326 adoption					120,000
Provision for loan losses			(5,000)		(72,000)
Balance, end of year	110,000		110,000		115,000
Collectively evaluated for impairment:
Collectively evaluated for impairment, Balance in allowance	110,000		110,000		115,000
Collectively evaluated for impairment, Related loan balance	9,073,000		9,073,000		10,003,000
Commercial | Real Estate Loan
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Balance, beginning of year			278,000	218,000	218,000
Impact of ASC 326 adoption					199,000
Provision for loan losses			(46,000)		(139,000)
Balance, end of year	232,000		232,000		278,000
Collectively evaluated for impairment:
Collectively evaluated for impairment, Balance in allowance	232,000		232,000		278,000
Collectively evaluated for impairment, Related loan balance	45,081,000		45,081,000		48,729,000
SBA Guaranty | Commercial and Industrial
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Balance, beginning of year			30,000	48,000	48,000
Impact of ASC 326 adoption					(6,000)
Charged off			(9,000)
Provision for loan losses			1,000		(12,000)
Balance, end of year	22,000		22,000		30,000
Collectively evaluated for impairment:
Collectively evaluated for impairment, Balance in allowance	22,000		22,000		30,000
Collectively evaluated for impairment, Related loan balance	6,255,000		6,255,000		6,397,000
Comm SBA PPP | Commercial and Industrial
Collectively evaluated for impairment:
Collectively evaluated for impairment, Related loan balance	263,000		263,000		1,047,000
Consumer and Indirect | Consumer Loans
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Balance, beginning of year			36,000	11,000	11,000
Impact of ASC 326 adoption					46,000
Charged off			(10,000)		(2,000)
Recoveries			7,000
Provision for loan losses					(19,000)
Balance, end of year	33,000		33,000		36,000
Collectively evaluated for impairment:
Collectively evaluated for impairment, Balance in allowance	33,000		33,000		36,000
Collectively evaluated for impairment, Related loan balance	1,939,000		1,939,000		2,090,000
Automobile | Consumer Loans
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Balance, beginning of year			533,000	$ 569,000	569,000
Impact of ASC 326 adoption					273,000
Charged off			(88,000)		(251,000)
Recoveries			85,000		240,000
Provision for loan losses			(77,000)		(298,000)
Balance, end of year	453,000		453,000		533,000
Collectively evaluated for impairment:
Collectively evaluated for impairment, Balance in allowance	453,000		453,000		533,000
Collectively evaluated for impairment, Related loan balance	$ 47,993,000		$ 47,993,000		$ 54,150,000