LOANS - Allowance for loan losses (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
LOANS
Beginning balance	$ 3,224	$ 3,338
Charge-offs	(269)	(467)
Recoveries	227	607
Net provision for loan losses	(200)	(244)
(Reduction of) provision for credit losses	(162)	(272)	$ 80
Ending Balance	2,982	3,224	3,338
Total allowance for credit losses	2,982	3,224
Individually evaluated	4	61	229
Collectively evaluated	2,978	3,163	3,109
Reserve for unfunded lending commitments:			3,338
Individually evaluated	1,571	1,182	2,801
Collectively evaluated	232,005	237,157	235,077
Total	233,576	238,339
Allowance for loan losses in prior period
Balance in beginning		3,338	3,311
Charge-offs			(240)
Recoveries			187
Provision			80
Balance at end			3,338
Reserve for unfunded lending commitments
LOANS
Beginning balance	55	0
(Reduction of) provision for credit losses	28	(17)
Ending Balance	83	55	0
Total allowance for credit losses	3,065	3,279
Individually evaluated	0	0
Collectively evaluated	83	55
Cumulative Effect, Period of Adoption, Adjustment \| ASU 2016-13
LOANS
Beginning balance	(10)
Ending Balance		(10)
Cumulative Effect, Period of Adoption, Adjustment \| ASU 2016-13 \| Reserve for unfunded lending commitments
LOANS
Beginning balance	72
Ending Balance		72
Real estate, residential
LOANS
Beginning balance	971	1,018
Charge-offs	(59)	0
Recoveries	57	0
Net provision for loan losses	(293)	(443)
Ending Balance	676	971	1,018
Total allowance for credit losses	676	971
Individually evaluated	0	40	145
Collectively evaluated	676	931	873
Reserve for unfunded lending commitments:			1,018
Individually evaluated	879	958	945
Collectively evaluated	78,073	73,338	66,567
Total	78,952	74,296
Allowance for loan losses in prior period
Balance in beginning		1,018	873
Charge-offs			0
Recoveries			0
Provision			145
Balance at end			1,018
Real estate, residential \| Reserve for unfunded lending commitments
LOANS
Beginning balance	2	0
(Reduction of) provision for credit losses	0	(2)
Ending Balance	2	2	0
Total allowance for credit losses	678	973
Individually evaluated	0	0
Collectively evaluated	2	2
Real estate, residential \| Cumulative Effect, Period of Adoption, Adjustment \| ASU 2016-13
LOANS
Beginning balance	396
Ending Balance		396
Real estate, residential \| Cumulative Effect, Period of Adoption, Adjustment \| ASU 2016-13 \| Reserve for unfunded lending commitments
LOANS
Beginning balance	4
Ending Balance		4
Real estate, construction
LOANS
Beginning balance	173	392
Charge-offs	0	0
Recoveries	39	9
Net provision for loan losses	(77)	(170)
Ending Balance	135	173	392
Total allowance for credit losses	135	173
Individually evaluated	0	0	0
Collectively evaluated	135	173	392
Reserve for unfunded lending commitments:			392
Individually evaluated	202	87	31
Collectively evaluated	16,814	27,266	30,115
Total	17,016	27,353
Allowance for loan losses in prior period
Balance in beginning		392	351
Charge-offs			0
Recoveries			0
Provision			41
Balance at end			392
Real estate, construction \| Reserve for unfunded lending commitments
LOANS
Beginning balance	34	0
(Reduction of) provision for credit losses	(11)	4
Ending Balance	23	34	0
Total allowance for credit losses	158	207
Individually evaluated	0	0
Collectively evaluated	23	34
Real estate, construction \| Cumulative Effect, Period of Adoption, Adjustment \| ASU 2016-13
LOANS
Beginning balance	(58)
Ending Balance		(58)
Real estate, construction \| Cumulative Effect, Period of Adoption, Adjustment \| ASU 2016-13 \| Reserve for unfunded lending commitments
LOANS
Beginning balance	30
Ending Balance		30
Real estate, nonresidential
LOANS
Beginning balance	1,807	1,535
Charge-offs	0	(270)
Recoveries	6	20
Net provision for loan losses	22	737
Ending Balance	1,835	1,807	1,535
Total allowance for credit losses	1,835	1,807
Individually evaluated	0	0	84
Collectively evaluated	1,835	1,807	1,451
Reserve for unfunded lending commitments:			1,535
Individually evaluated	463	98	1,811
Collectively evaluated	113,800	114,916	120,422
Total	114,263	115,014
Allowance for loan losses in prior period
Balance in beginning		1,535	1,781
Charge-offs			0
Recoveries			48
Provision			(294)
Balance at end			1,535
Real estate, nonresidential \| Reserve for unfunded lending commitments
LOANS
Beginning balance	5	0
(Reduction of) provision for credit losses	5	0
Ending Balance	10	5	0
Total allowance for credit losses	1,845	1,812
Individually evaluated	0	0
Collectively evaluated	10	5
Real estate, nonresidential \| Cumulative Effect, Period of Adoption, Adjustment \| ASU 2016-13
LOANS
Beginning balance	(215)
Ending Balance		(215)
Real estate, nonresidential \| Cumulative Effect, Period of Adoption, Adjustment \| ASU 2016-13 \| Reserve for unfunded lending commitments
LOANS
Beginning balance	5
Ending Balance		5
Commercial and industrial
LOANS
Beginning balance	54	143
Charge-offs	0	0
Recoveries		467
Net provision for loan losses	38	(472)
Ending Balance	92	54	143
Total allowance for credit losses	92	54
Individually evaluated	0	0	0
Collectively evaluated	92	54	143
Reserve for unfunded lending commitments:			143
Individually evaluated	22	0	0
Collectively evaluated	13,359	12,496	10,497
Total	13,381	12,496
Allowance for loan losses in prior period
Balance in beginning		143	228
Charge-offs			0
Recoveries			15
Provision			(100)
Balance at end			143
Commercial and industrial \| Reserve for unfunded lending commitments
LOANS
Beginning balance	10	0
(Reduction of) provision for credit losses	2	(5)
Ending Balance	12	10	0
Total allowance for credit losses	104	64
Individually evaluated	0	0
Collectively evaluated	12	10
Commercial and industrial \| Cumulative Effect, Period of Adoption, Adjustment \| ASU 2016-13
LOANS
Beginning balance	(84)
Ending Balance		(84)
Commercial and industrial \| Cumulative Effect, Period of Adoption, Adjustment \| ASU 2016-13 \| Reserve for unfunded lending commitments
LOANS
Beginning balance	15
Ending Balance		15
Other
LOANS
Beginning balance	219	250
Charge-offs	(210)	(197)
Recoveries	125	111
Net provision for loan losses	110	104
Ending Balance	244	219	250
Total allowance for credit losses	244	219
Individually evaluated	4	21	0
Collectively evaluated	240	198	250
Reserve for unfunded lending commitments:			250
Individually evaluated	5	39	14
Collectively evaluated	9,959	9,141	7,476
Total	9,964	9,180
Allowance for loan losses in prior period
Balance in beginning		250	78
Charge-offs			(240)
Recoveries			124
Provision			288
Balance at end			250
Other \| Reserve for unfunded lending commitments
LOANS
Beginning balance	4	0
(Reduction of) provision for credit losses	32	(14)
Ending Balance	36	4	$ 0
Total allowance for credit losses	280	223
Individually evaluated	0	0
Collectively evaluated	36	4
Other \| Cumulative Effect, Period of Adoption, Adjustment \| ASU 2016-13
LOANS
Beginning balance	(49)
Ending Balance		(49)
Other \| Cumulative Effect, Period of Adoption, Adjustment \| ASU 2016-13 \| Reserve for unfunded lending commitments
LOANS
Beginning balance	$ 18
Ending Balance		$ 18

The amount of allowance in loans and leases receivable including unfunded loan commitment.

No definition available.

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- Definition

Amount of recovery of loans and lease receivables which had previously been fully or partially written-off as bad debts.

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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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Amount of loans and leases that have been written off from both loan receivables and allowance reserve for credit loss.

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Amount excluding accrued interest, of allowance for credit loss on financing receivable. Excludes net investment in lease.

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Amount of allowance for credit loss on financing receivable evaluated on collective basis. Excludes financing receivable evaluated on individual basis.

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Amount of allowance for credit loss on financing receivable evaluated on individual basis. Excludes financing receivable evaluated on collective basis.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Amount of financing receivable collectively evaluated for credit loss. Excludes financing receivable individually evaluated for credit loss.

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Amount, excluding accrued interest, of increase in allowance for credit loss on financing receivable from recovery. Excludes net investment in lease.

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Amount, excluding accrued interest, of decrease in allowance for credit loss on financing receivable from writeoff. Excludes net investment in lease.

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Amortized cost excluding accrued interest, before allowance for credit loss, of financing receivable. Excludes net investment in lease.

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Amount, excluding accrued interest, of credit loss expense (reversal of expense) on financing receivable. Excludes net investment in lease.

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Amount of financing receivable individually evaluated for credit loss. Excludes financing receivable collectively evaluated for credit loss.

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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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Amount of expense related to estimated loss from loan and lease transactions.

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Amount of credit loss expense (reversal of expense) for financing receivable.

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