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LOANS RECEIVABLE AND ALLOWANCE FOR CREDIT LOSSES - Loans - Major Categories of Loans (Details) - USD ($) $ in Thousands	6 Months Ended	12 Months Ended
	Jun. 30, 2023	Dec. 31, 2022	Dec. 31, 2021
Loans and Allowance for Credit Losses - Loans
Loans, net of deferred fees and costs	$ 180,551	$ 186,440
Less: Allowance for credit losses	(2,222)	(2,162)	$ (2,470)
Loans, net	$ 178,329	$ 184,278
Loans and lease receivable allowances, percentage	100.00%	100.00%
Increase (decrease) in loans and leases receivable	$ (5,900)
Percentage of increase (decrease) in loans and leases receivable	(3.23%)
Real Estate Loan
Loans and Allowance for Credit Losses - Loans
Loans, net of deferred fees and costs	$ 135,574	$ 133,323
Commercial and Industrial
Loans and Allowance for Credit Losses - Loans
Loans, net of deferred fees and costs	16,273	15,148
Consumer Loans
Loans and Allowance for Credit Losses - Loans
Loans, net of deferred fees and costs	28,704	37,969
Construction and Land | Real Estate Loan
Loans and Allowance for Credit Losses - Loans
Loans, net of deferred fees and costs	5,116	4,499
Less: Allowance for credit losses	$ (46)	$ (44)	(5)
Loans and lease receivable allowances, percentage	3.00%	2.00%
Increase (decrease) in loans and leases receivable	$ (600)
Percentage of increase (decrease) in loans and leases receivable	(13.72%)
Farmland | Real Estate Loan
Loans and Allowance for Credit Losses - Loans
Loans, net of deferred fees and costs	$ 328	$ 333
Less: Allowance for credit losses	(19)	(20)	(11)
Single-family Residential | Real Estate Loan
Loans and Allowance for Credit Losses - Loans
Loans, net of deferred fees and costs	82,337	80,251
Less: Allowance for credit losses	$ (1,256)	$ (1,230)	(1,357)
Loans and lease receivable allowances, percentage	45.00%	43.00%
Increase (decrease) in loans and leases receivable	$ 2,100	$ 80,300
Percentage of increase (decrease) in loans and leases receivable	2.60%
Multi-family | Real Estate Loan
Loans and Allowance for Credit Losses - Loans
Loans, net of deferred fees and costs	$ 5,236	5,304
Less: Allowance for credit losses	$ (99)	$ (103)	(105)
Loans and lease receivable allowances, percentage	3.00%	3.00%
Increase (decrease) in loans and leases receivable	$ (100)
Percentage of increase (decrease) in loans and leases receivable	(1.27%)
Commercial | Real Estate Loan
Loans and Allowance for Credit Losses - Loans
Loans, net of deferred fees and costs	$ 42,557	$ 42,936
Less: Allowance for credit losses	$ (219)	$ (221)	(278)
Loans and lease receivable allowances, percentage	24.00%	23.00%
Increase (decrease) in loans and leases receivable	$ (400)
Percentage of increase (decrease) in loans and leases receivable	(0.88%)
Commercial and industrial | Commercial and Industrial
Loans and Allowance for Credit Losses - Loans
Loans, net of deferred fees and costs	$ 10,250	$ 8,990
Less: Allowance for credit losses	$ (317)	$ (174)	(115)
Loans and lease receivable allowances, percentage	6.00%	5.00%
Increase (decrease) in loans and leases receivable	$ 1,300
Percentage of increase (decrease) in loans and leases receivable	(14.01%)
SBA Guaranty | Commercial and Industrial
Loans and Allowance for Credit Losses - Loans
Loans, net of deferred fees and costs	$ 6,023	$ 6,158
Less: Allowance for credit losses	$ (22)	$ (22)	(30)
Loans and lease receivable allowances, percentage	3.00%	3.00%
Increase (decrease) in loans and leases receivable	$ (200)
Percentage of increase (decrease) in loans and leases receivable	(2.20%)
Consumer | Consumer Loans
Loans and Allowance for Credit Losses - Loans
Loans, net of deferred fees and costs	$ 1,430	$ 1,521
Less: Allowance for credit losses	$ (20)	$ (23)	(36)
Loans and lease receivable allowances, percentage	1.00%	1.00%
Increase (decrease) in loans and leases receivable	$ (100)
Percentage of increase (decrease) in loans and leases receivable	(5.96%)
Automobile | Consumer Loans
Loans and Allowance for Credit Losses - Loans
Loans, net of deferred fees and costs	$ 27,274	$ 36,448
Less: Allowance for credit losses	$ (224)	$ (325)	$ (533)
Loans and lease receivable allowances, percentage	15.00%	20.00%
Increase (decrease) in loans and leases receivable	$ (9,200)
Percentage of increase (decrease) in loans and leases receivable	(25.17%)

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Amount of allowance to cover probable credit losses on loans and leases. Includes carryover of or adjustments to the allowance for loan losses in connection with business combinations. Excludes allowance for loans and leases covered under loss sharing agreements.

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