SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES, Allowance for Loan Losses (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2023	Mar. 31, 2022	Dec. 31, 2022	Dec. 31, 2021
ALLOWANCE FOR LOAN LOSSES [Abstract]
Accrued interest receivable on AFS debt securities	$ 448
ACL related to AFS debt securities	0
ACL related to HTM debt securities	3		$ 0
ACL related to HTM debt securities, expenses	$ 0
Credit loss, revision period	2 years
ACL related to loans	$ 7,607	$ 5,268	5,269	$ 6,483
Provision expense	465	(1,126)
ACL related to off-balance sheet credit	655		0
ACL related to off-balance sheet credit with corresponding provision expense	24
LOANS [Abstract]
Loans held for sale	124		0
Consumer Loans [Member]
ALLOWANCE FOR LOAN LOSSES [Abstract]
ACL related to loans	2,093	1,174	$ 1,257	$ 1,384
Provision expense	$ 180	$ (82)
Loans maturity period	6 years

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Periods beyond reasonable and supportable forecast utilized a straight-line method for revision.

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Amount of credit loss expense (reversal of expense) for loans.

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The maturity period for loans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Amount, after allowance for credit loss, of accrued interest on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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Amount of allowance for credit loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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Amount of allowance for credit loss for debt security measured at amortized cost (held-to-maturity).

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Amount of expense (reversal of expense) for expected credit loss on investment in debt security measured at amortized cost (held-to-maturity).

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Amount of allowance for credit loss on financing receivable. Excludes allowance for financing receivable covered under loss sharing agreement.

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Fair value portion of loans held-for-sale including, but not limited to, mortgage loans and finance receivables.

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Amount of expected credit loss for credit exposure on off-balance-sheet commitment, including but not limited to, loan commitment, standby letter of credit, financial guarantee not accounted for as insurance. Excludes off-balance sheet credit exposure accounted for as insurance and instrument accounted for under derivatives and hedging.

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Amount of expense (reversal of expense) for expected credit loss for off-balance sheet credit exposure. Excludes off-balance sheet credit exposure accounted for as insurance and instrument accounted for under derivatives and hedging.

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