ALLOWANCE FOR CREDIT LOSSES - LOANS - Additional information (Details) - USD ($)	3 Months Ended	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2025	Dec. 31, 2024
Accounts, Notes, Loans and Financing Receivable [Line Items]
Provision (Recovery)		$ 4,108,000	$ 882,000
Financing receivable excluding accrued interest allowance for credit loss period increase decrease			3,200,000
Charge-Offs		5,073,000	2,205,000
Net loan charge-offs		$ 4,900,000	$ 2,000,000
Percentage of charge-offs		0.46%	0.19%
Percentage of coverage on non-performing assets	158.00%	158.00%	127.00%
Percentage Of Allowance For Total Loans	1.27%	1.27%	1.30%
Percentage of general reserve	41.00%
Percentage of quantitative reserve	59.00%
Evaluated for impairment	$ 150,000	$ 150,000
Residential Real Estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Other assets	0	0	$ 14,000
Residential Mortgages
Accounts, Notes, Loans and Financing Receivable [Line Items]
Mortgage loans in process of foreclosure, amount	130,000	130,000
Pass
Accounts, Notes, Loans and Financing Receivable [Line Items]
Minimum individual loan balance requiring quarterly review	2,000,000	2,000,000
Special Mention
Accounts, Notes, Loans and Financing Receivable [Line Items]
Minimum individual loan balance requiring quarterly review	250,000	250,000
Substandard
Accounts, Notes, Loans and Financing Receivable [Line Items]
Minimum individual loan balance requiring quarterly review	250,000	250,000
Doubtful
Accounts, Notes, Loans and Financing Receivable [Line Items]
Minimum individual loan balance requiring quarterly review	100,000	100,000
Other commercial real estate (non-owner occupied)
Accounts, Notes, Loans and Financing Receivable [Line Items]
Provision (Recovery)		3,407,000	1,583,000
Charge-Offs		3,145,000	1,571,000
Commercial Portfolio
Accounts, Notes, Loans and Financing Receivable [Line Items]
Charge-Offs		4,919,000	1,998,000
Commercial Portfolio | Commercial loan
Accounts, Notes, Loans and Financing Receivable [Line Items]
Minimum aggregate balances for commercial loan relationship under structure loan rating process	1,000,000	$ 1,000,000
Commercial Portfolio | Commercial Portfolio
Accounts, Notes, Loans and Financing Receivable [Line Items]
Minimum percent of portfolio to be reviewed		43.00%
Commercial Portfolio | Commercial and industrial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Provision (Recovery)		$ 1,836,000	212,000
Charge-Offs		1,774,000	427,000
Commercial Portfolio | Other commercial real estate (non-owner occupied)
Accounts, Notes, Loans and Financing Receivable [Line Items]
Charge-Offs		3,145,000	1,571,000
Commercial Portfolio | Commercial real estate (non-owner occupied) - retail
Accounts, Notes, Loans and Financing Receivable [Line Items]
Provision (Recovery)		(447,000)	207,000
Charge-Offs		0
Non-performing
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total non-performing assets	$ 8,518,000	$ 8,518,000	$ 12,657,000
Non-performing assets as a percent of loans	0.82%	0.82%	1.19%
Non-performing | Commercial Portfolio | Commercial and industrial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total non-performing assets	$ 2,367,000	$ 2,367,000	$ 1,006,000
Non-performing | Commercial Portfolio | Other commercial real estate (non-owner occupied)
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total non-performing assets	2,034,000	2,034,000	$ 10,249,000
Non-performing | Commercial Portfolio | Commercial real estate (non-owner occupied) - retail
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total non-performing assets	$ 415,000	$ 415,000