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LOANS AND ALLOWANCE FOR CREDIT LOSSES - Nonaccrual Loans (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024	Dec. 31, 2024
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Nonaccrual loans with no allowance	$ 25,499,000		$ 25,499,000		$ 23,584,000
Nonaccrual loans with an allowance	263,000		263,000		258,000
Total nonaccrual loans	25,762,000		25,762,000		23,842,000
Interest income on nonaccrual loans	203,000	$ 234,000	660,000	$ 750,000
Commercial | Commercial real estate - non-owner occupied
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Nonaccrual loans with no allowance	6,582,000		6,582,000		7,370,000
Nonaccrual loans with an allowance	263,000		263,000		0
Total nonaccrual loans	6,845,000		6,845,000		7,370,000
Commercial | Commercial real estate - owner occupied
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Nonaccrual loans with no allowance	4,791,000		4,791,000		1,467,000
Nonaccrual loans with an allowance	0		0		258,000
Total nonaccrual loans	4,791,000		4,791,000		1,725,000
Commercial | All other commercial loans
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Nonaccrual loans with no allowance	9,801,000		9,801,000		10,006,000
Nonaccrual loans with an allowance	0		0		0
Total nonaccrual loans	9,801,000		9,801,000		10,006,000
Residential mortgage
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Nonaccrual loans with no allowance	4,055,000		4,055,000		4,310,000
Nonaccrual loans with an allowance	0		0		0
Total nonaccrual loans	4,055,000		4,055,000		4,310,000
Consumer
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Nonaccrual loans with no allowance	270,000		270,000		431,000
Nonaccrual loans with an allowance	0		0		0
Total nonaccrual loans	$ 270,000		$ 270,000		$ 431,000

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 310
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