LOANS AND ALLOWANCE FOR CREDIT LOSSES - Allowances For Credit Losses (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025	Dec. 31, 2025
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]
Beginning balance	$ 24,890	$ 22,522	$ 24,209	$ 21,388	$ 21,388
Charge-offs	(366)	(1,120)	(1,103)	(1,519)	(2,456)
Recoveries	206	128	1,037	265
Net recoveries (charge-offs)	(160)	(992)	(66)	(1,254)
Provision (credit)	502	1,135	1,089	2,531
Ending balance	25,232	22,665	25,232	22,665	24,209
Commercial and Industrial
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]
Beginning balance	4,339	5,153	4,524	4,520	4,520
Charge-offs	0	(772)	(1)	(777)
Recoveries	5	4	682	9
Net recoveries (charge-offs)	5	(768)	681	(768)
Provision (credit)	(131)	139	(992)	772
Ending balance	4,213	4,524	4,213	4,524	4,524
Commercial Real Estate
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]
Beginning balance	15,643	12,089	14,363	11,214	11,214
Charge-offs	0	0	(310)	0
Recoveries	0	1	1	2
Net recoveries (charge-offs)	0	1	(309)	2
Provision (credit)	555	624	2,144	1,498
Ending balance	16,198	12,714	16,198	12,714	14,363
Residential Mortgages
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]
Beginning balance	2,397	2,473	2,788	2,259	2,259
Charge-offs	(8)	0	(8)	0	0
Recoveries	3	5	32	10
Net recoveries (charge-offs)	(5)	5	24	10
Provision (credit)	9	119	(411)	328
Ending balance	2,401	2,597	2,401	2,597	2,788
Consumer Loans
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]
Beginning balance	2,511	2,807	2,534	3,395	3,395
Charge-offs	(358)	(348)	(784)	(742)
Recoveries	198	118	322	244
Net recoveries (charge-offs)	(160)	(230)	(462)	(498)
Provision (credit)	69	253	348	(67)
Ending balance	2,420	2,830	2,420	2,830	2,534
Unfunded Loan Commitment
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]
Beginning balance	600	538	586	842	842
Provision (credit)	59	10	73	(294)
Ending balance	$ 659	$ 548	$ 659	$ 548	$ 586