ALLOWANCE FOR CREDIT LOSSES AND CREDIT QUALITY - Financial Effect of Loan Modifications (Details) $ in Thousands	Mar. 31, 2024 USD ($)
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans modified in the last 12 months	$ 941
30-59 Days Past Due
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans modified in the last 12 months	941
60-89 Days Past Due
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans modified in the last 12 months	0
Greater Than 89 Days Past Due
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans modified in the last 12 months	0
Commercial and industrial loans:
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans modified in the last 12 months	941
Commercial and industrial loans: | 30-59 Days Past Due
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans modified in the last 12 months	941
Commercial and industrial loans: | 60-89 Days Past Due
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans modified in the last 12 months	0
Commercial and industrial loans: | Greater Than 89 Days Past Due
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans modified in the last 12 months	0
Commercial and industrial loans: | Working capital lines of credit loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans modified in the last 12 months	941
Commercial and industrial loans: | Working capital lines of credit loans | 30-59 Days Past Due
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans modified in the last 12 months	941
Commercial and industrial loans: | Working capital lines of credit loans | 60-89 Days Past Due
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans modified in the last 12 months	0
Commercial and industrial loans: | Working capital lines of credit loans | Greater Than 89 Days Past Due
Financing Receivable, Allowance for Credit Loss [Line Items]
Loans modified in the last 12 months	$ 0