ALLOWANCE FOR CREDIT LOSSES FOR LOANS - Roll Forward (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
Mar. 31, 2026	Mar. 31, 2025	Dec. 31, 2025
Allowance for credit losses for loans, reserve for unfunded commitments
Beginning balance	$ 21,210	$ 17,900	$ 17,900
Charge-offs	(17)	(106)
Recoveries	2	4
(Reversal of) provision for credit losses	(595)	702
Ending balance	20,600	18,500	21,210
Reserve for unfunded commitments
Beginning balance	410	600	600
(Reversal of) provision for credit losses	(75)	(60)
Ending balance	335	540	410
Commercial and industrial
Allowance for credit losses for loans, reserve for unfunded commitments
Beginning balance	4,173	4,681	4,681
Charge-offs		(100)
Recoveries	2	2
(Reversal of) provision for credit losses	(92)	367
Ending balance	4,083	4,950	4,173
Construction and land
Allowance for credit losses for loans, reserve for unfunded commitments
Beginning balance	470	72	72
(Reversal of) provision for credit losses	57	(51)
Ending balance	527	21	470
Commercial real estate
Allowance for credit losses for loans, reserve for unfunded commitments
Beginning balance	14,601	11,365	11,365
Charge-offs	(16)
(Reversal of) provision for credit losses	(529)	496
Ending balance	14,056	11,861	14,601
Residential
Allowance for credit losses for loans, reserve for unfunded commitments
Beginning balance	1,957	1,780	1,780
Charge-offs		(1)
Recoveries		1
(Reversal of) provision for credit losses	(35)	(118)
Ending balance	1,922	1,662	1,957
Consumer
Allowance for credit losses for loans, reserve for unfunded commitments
Beginning balance	9	2	2
Charge-offs	(1)	(5)
Recoveries		1
(Reversal of) provision for credit losses	4	8
Ending balance	$ 12	$ 6	$ 9

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

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479344/326-20-45-1

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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.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 13
-Subparagraph (e)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-13

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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.

+ References

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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.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 6
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-6

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 13
-Subparagraph (d)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-13

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- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 13
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-13

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- Definition

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.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479344/326-20-45-2

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 460
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482454/460-10-45-1

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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.

+ References

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