ALLOWANCE FOR CREDIT LOSSES AND CREDIT QUALITY INFORMATION - Schedule of Performance of Loans (Details) $ in Thousands	Jun. 30, 2023 USD ($)
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	$ 51,129
30-89 Days Past Due and Still Accruing
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	358
90+ Days Past Due and Still Accruing
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	101
Accruing Current Balances
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	49,133
Nonaccrual Loans
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	1,537
Commercial | Commercial and industrial
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	31,694
Commercial | Commercial and industrial | 30-89 Days Past Due and Still Accruing
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	0
Commercial | Commercial and industrial | 90+ Days Past Due and Still Accruing
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	0
Commercial | Commercial and industrial | Accruing Current Balances
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	30,301
Commercial | Commercial and industrial | Nonaccrual Loans
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	1,393
Commercial | Owner-occupied commercial
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	1,206
Commercial | Owner-occupied commercial | 30-89 Days Past Due and Still Accruing
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	0
Commercial | Owner-occupied commercial | 90+ Days Past Due and Still Accruing
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	0
Commercial | Owner-occupied commercial | Accruing Current Balances
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	1,062
Commercial | Owner-occupied commercial | Nonaccrual Loans
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	144
Commercial | Commercial mortgages
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	9,468
Commercial | Commercial mortgages | 30-89 Days Past Due and Still Accruing
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	0
Commercial | Commercial mortgages | 90+ Days Past Due and Still Accruing
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	0
Commercial | Commercial mortgages | Accruing Current Balances
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	9,468
Commercial | Commercial mortgages | Nonaccrual Loans
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	0
Commercial | Construction
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	3,305
Commercial | Construction | 30-89 Days Past Due and Still Accruing
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	0
Commercial | Construction | 90+ Days Past Due and Still Accruing
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	0
Commercial | Construction | Accruing Current Balances
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	3,305
Commercial | Construction | Nonaccrual Loans
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	0
Consumer
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	5,456
Consumer | 30-89 Days Past Due and Still Accruing
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	358
Consumer | 90+ Days Past Due and Still Accruing
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	101
Consumer | Accruing Current Balances
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	4,997
Consumer | Nonaccrual Loans
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	$ 0