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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES, Allowance for Loan Losses (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022	Jun. 30, 2023	Dec. 31, 2022	Jun. 30, 2022	Dec. 31, 2021
ALLOWANCE FOR LOAN LOSSES [Abstract]
Accrued interest receivable on AFS debt securities	$ 433		$ 433
ACL related to AFS debt securities	0		0
ACL related to HTM debt securities	2		2			$ 0
ACL related to HTM debt securities, recovery of provision expense	(1)		$ (1)
Credit loss, reversion period			2 years
ACL related to loans	8,173	$ 4,811	$ 8,173	$ 4,811	$ 7,571	5,269	$ 5,214	$ 6,483
Provision expense	812	(378)	1,391	(691)
ACL related to off-balance sheet credit	643		643			0
ACL related to off-balance sheet credit with corresponding provision expense	77		11
LOANS [Abstract]
Loans held for sale	0		0			0
Consumer Loans [Member]
ALLOWANCE FOR LOAN LOSSES [Abstract]
ACL related to loans	2,364	1,215	2,364	1,215	$ 2,097	$ 1,257	$ 1,206	$ 1,384
Provision expense	$ 550	$ 77	$ 1,000	$ 266
Loans maturity period			6 years

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Periods beyond reasonable and supportable forecast utilized a straight-line method for reversion, 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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