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LOANS RECEIVABLE - Loan modifications (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable Modifications Post Modification Recorded Investment	$ 1,158	$ 701	$ 2,284
% of Total Class of Loans	0.07%	0.05%	0.15%
Payment Delays
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable Modifications Post Modification Recorded Investment	$ 1,158	$ 701	$ 1,910
Term Extensions
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable Modifications Post Modification Recorded Investment	0	0	374
Commercial Portfolio Segment \| Commercial and industrial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable Modifications Post Modification Recorded Investment		$ 701
% of Total Class of Loans		4.93%
Commercial Portfolio Segment \| Commercial and industrial \| Payment Delays
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable Modifications Post Modification Recorded Investment		$ 701
Commercial Portfolio Segment \| Commercial and industrial \| Term Extensions
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable Modifications Post Modification Recorded Investment		$ 0
Residential Portfolio Segment \| Residential
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable Modifications Post Modification Recorded Investment	$ 1,158		$ 2,284
% of Total Class of Loans	0.20%		0.40%
Residential Portfolio Segment \| Residential \| Payment Delays
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable Modifications Post Modification Recorded Investment	$ 1,158		$ 1,910
Residential Portfolio Segment \| Residential \| Term Extensions
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable Modifications Post Modification Recorded Investment	$ 0		$ 374