LOANS RECEIVABLE AND ALLOWANCE FOR CREDIT LOSSES - Loans - Allowance by Loan Segment (Details) - USD ($)	6 Months Ended		12 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Dec. 31, 2022
Financing Receivable, Allowance for Credit Losses
Balance, beginning of year	$ 2,162,000	$ 2,470,000	$ 2,470,000
Charged off	(88,000)	(107,000)	(392,000)
Recoveries	63,000		196,000
Release (provision) for credit losses	85,000		(112,000)
Balance, end of year	2,222,000		2,162,000
Individually evaluated for impairment:
Individually evaluated for impairment, Balance in allowance	170,000		79,000
Individually evaluated for impairment, Related loan balance	331,000		334,000
Collectively evaluated for impairment:
Collectively evaluated for impairment, Balance in allowance	2,052,000		2,083,000
Collectively evaluated for impairment, Related loan balance	180,220,000		186,106,000
Real Estate Loan
Individually evaluated for impairment:
Individually evaluated for impairment, Balance in allowance	21,000		20,000
Commercial and Industrial
Individually evaluated for impairment:
Individually evaluated for impairment, Balance in allowance	149,000		59,000
Construction and Land | Real Estate Loan
Financing Receivable, Allowance for Credit Losses
Balance, beginning of year	44,000	5,000	5,000
Release (provision) for credit losses	2,000		39,000
Balance, end of year	46,000		44,000
Collectively evaluated for impairment:
Collectively evaluated for impairment, Balance in allowance	46,000		44,000
Collectively evaluated for impairment, Related loan balance	5,116,000		4,499,000
Farmland | Real Estate Loan
Financing Receivable, Allowance for Credit Losses
Balance, beginning of year	20,000	11,000	11,000
Release (provision) for credit losses	(1,000)		9,000
Balance, end of year	19,000		20,000
Collectively evaluated for impairment:
Collectively evaluated for impairment, Balance in allowance	19,000		20,000
Collectively evaluated for impairment, Related loan balance	328,000		333,000
Single-family Residential | Real Estate Loan
Financing Receivable, Allowance for Credit Losses
Balance, beginning of year	1,230,000	1,357,000	1,357,000
Release (provision) for credit losses	26,000		(127,000)
Balance, end of year	1,256,000		1,230,000
Individually evaluated for impairment:
Individually evaluated for impairment, Balance in allowance	21,000		20,000
Individually evaluated for impairment, Related loan balance	32,000		34,000
Collectively evaluated for impairment:
Collectively evaluated for impairment, Balance in allowance	1,235,000		1,210,000
Collectively evaluated for impairment, Related loan balance	82,305,000		80,217,000
Multi-family | Real Estate Loan
Financing Receivable, Allowance for Credit Losses
Balance, beginning of year	103,000	105,000	105,000
Release (provision) for credit losses	(4,000)		(2,000)
Balance, end of year	99,000		103,000
Collectively evaluated for impairment:
Collectively evaluated for impairment, Balance in allowance	99,000		103,000
Collectively evaluated for impairment, Related loan balance	5,236,000		5,304,000
Commercial and Industrial | Commercial and Industrial
Financing Receivable, Allowance for Credit Losses
Balance, beginning of year	174,000	115,000	115,000
Charged off			(200,000)
Release (provision) for credit losses	143,000		259,000
Balance, end of year	317,000		174,000
Individually evaluated for impairment:
Individually evaluated for impairment, Balance in allowance	149,000		59,000
Individually evaluated for impairment, Related loan balance			300,000
Collectively evaluated for impairment:
Collectively evaluated for impairment, Balance in allowance	317,000		115,000
Collectively evaluated for impairment, Related loan balance	10,250,000		8,690,000
Commercial | Real Estate Loan
Financing Receivable, Allowance for Credit Losses
Balance, beginning of year	221,000	278,000	278,000
Release (provision) for credit losses	(2,000)		(57,000)
Balance, end of year	219,000		221,000
Individually evaluated for impairment:
Individually evaluated for impairment, Balance in allowance	149,000
Individually evaluated for impairment, Related loan balance	299,000
Collectively evaluated for impairment:
Collectively evaluated for impairment, Balance in allowance	70,000		221,000
Collectively evaluated for impairment, Related loan balance	42,258,000		42,936,000
SBA Guaranty | Commercial and Industrial
Financing Receivable, Allowance for Credit Losses
Balance, beginning of year	22,000	30,000	30,000
Charged off			(9,000)
Release (provision) for credit losses			1,000
Balance, end of year	22,000		22,000
Collectively evaluated for impairment:
Collectively evaluated for impairment, Balance in allowance	22,000		22,000
Collectively evaluated for impairment, Related loan balance	6,023,000		6,158,000
Consumer | Consumer Loans
Financing Receivable, Allowance for Credit Losses
Balance, beginning of year	23,000	36,000	36,000
Charged off			(14,000)
Recoveries			8,000
Release (provision) for credit losses	(3,000)		(7,000)
Balance, end of year	20,000		23,000
Collectively evaluated for impairment:
Collectively evaluated for impairment, Balance in allowance	20,000		23,000
Collectively evaluated for impairment, Related loan balance	1,430,000		1,521,000
Automobile | Consumer Loans
Financing Receivable, Allowance for Credit Losses
Balance, beginning of year	325,000	$ 533,000	533,000
Charged off	(88,000)		(169,000)
Recoveries	63,000		188,000
Release (provision) for credit losses	(76,000)		(227,000)
Balance, end of year	224,000		325,000
Collectively evaluated for impairment:
Collectively evaluated for impairment, Balance in allowance	224,000		325,000
Collectively evaluated for impairment, Related loan balance	$ 27,274,000		$ 36,448,000