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LOANS - Troubled Debt Restructurings - Modified as TDR Loans (Details) $ in Thousands	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2025 loan contract	Sep. 30, 2024 contract	Sep. 30, 2025 USD ($) loan contract	Sep. 30, 2024 contract	Dec. 31, 2024 USD ($) loan
LOANS
Financing receivable, excluding accrued interest, modified in period, number of contracts | contract	0	0	0	0
Financing receivable, troubled debt restructuring, loans, number | loan	5		5		6
Financing receivable, troubled debt restructuring, modified loans			$ 1,433		$ 2,690
% of Total loans outstanding			0.07%		0.14%
Extended Maturity
LOANS
Financing receivable, troubled debt restructuring, modified loans			$ 1,433		$ 2,690
Commercial and industrial
LOANS
Financing receivable, troubled debt restructuring, loans, number | loan	2		2		2
Financing receivable, troubled debt restructuring, modified loans			$ 91		$ 97
% of Total loans outstanding			0.05%		0.06%
Commercial and industrial | Extended Maturity
LOANS
Financing receivable, troubled debt restructuring, modified loans			$ 91		$ 97
Commercial real estate
LOANS
Financing receivable, troubled debt restructuring, loans, number | loan	2		2		3
Financing receivable, troubled debt restructuring, modified loans			$ 632		$ 1,846
% of Total loans outstanding			0.04%		0.11%
Commercial real estate | Extended Maturity
LOANS
Financing receivable, troubled debt restructuring, modified loans			$ 632		$ 1,846
Residential
LOANS
Financing receivable, troubled debt restructuring, loans, number | loan	1		1		1
Financing receivable, troubled debt restructuring, modified loans			$ 710		$ 747
% of Total loans outstanding			0.62%		0.68%
Residential | Extended Maturity
LOANS
Financing receivable, troubled debt restructuring, modified loans			$ 710		$ 747

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