ALLOWANCE FOR CREDIT LOSSES AND CREDIT QUALITY - Loan Modifications (Details) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2023 USD ($) loan	Jun. 30, 2023 USD ($) loan
Combination Principal Forgiveness, Interest Rate Reduction and Term Extension
Financing Receivable, Allowance for Credit Loss [Line Items]
Combination Principal Forgiveness, Interest Rate Reduction and Term Extension	$ 1,544	$ 1,544
Total Class of Financing Receivable	0.03%	0.03%
Total Modifications
Financing Receivable, Allowance for Credit Loss [Line Items]
Combination Principal Forgiveness, Interest Rate Reduction and Term Extension	$ 1,544	$ 1,544
Commercial and industrial loans: \| Combination Principal Forgiveness, Interest Rate Reduction and Term Extension
Financing Receivable, Allowance for Credit Loss [Line Items]
Combination Principal Forgiveness, Interest Rate Reduction and Term Extension	$ 1,544	$ 1,544
Total Class of Financing Receivable	0.10%	0.10%
Commercial and industrial loans: \| Total Modifications
Financing Receivable, Allowance for Credit Loss [Line Items]
Combination Principal Forgiveness, Interest Rate Reduction and Term Extension	$ 1,544	$ 1,544
Commercial and industrial loans: \| Non-working capital loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Total Class of Financing Receivable	0.19%	0.19%
Loans modified In troubled debt restructured loans	$ 11,000	$ 11,000
Commercial and industrial loans: \| Non-working capital loans \| Combination Principal Forgiveness, Interest Rate Reduction and Term Extension
Financing Receivable, Allowance for Credit Loss [Line Items]
Combination Principal Forgiveness, Interest Rate Reduction and Term Extension	$ 1,544	$ 1,544
Total Class of Financing Receivable	0.19%	0.19%
Commercial and industrial loans: \| Non-working capital loans \| Total Modifications
Financing Receivable, Allowance for Credit Loss [Line Items]
Combination Principal Forgiveness, Interest Rate Reduction and Term Extension	$ 1,544	$ 1,544
Commercial and industrial loans: \| Non-working capital loans \| Principal Forgiveness
Financing Receivable, Allowance for Credit Loss [Line Items]
Combination Principal Forgiveness, Interest Rate Reduction and Term Extension	9,380	9,380
Loans modified, charged off	$ 9,300	$ 9,300
Commercial and industrial loans: \| Non-working capital loans \| Interest Rate Reduction
Financing Receivable, Allowance for Credit Loss [Line Items]
Number of loans \| loan	1	1
Interest rate before modification	0.75%	0.75%
Interest rate after modification	1.00%	1.00%
Commercial and industrial loans: \| Non-working capital loans \| Extended Maturity
Financing Receivable, Allowance for Credit Loss [Line Items]
Term before modification	40 months	40 months
Term after modification	60 months	60 months
Commercial and industrial loans: \| Non-working capital loans \| Payment Deferral
Financing Receivable, Allowance for Credit Loss [Line Items]
Amortization period before modification	40 months	40 months
Amortization period after modification	480 months	480 months

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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