LOANS AND LEASES - Nonaccrual Loans (Details) - USD ($) $ in Thousands	Mar. 31, 2026	Dec. 31, 2025
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Nonaccrual, With Allowance	$ 33,867	$ 38,076
Financing Receivable, Nonaccrual, No Allowance	66,674	63,732
Nonaccrual loans	100,541	101,808
Commercial
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Nonaccrual, With Allowance	9,148	17,329
Financing Receivable, Nonaccrual, No Allowance	13,428	10,132
Nonaccrual loans	22,576	27,461
Lease financing
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Nonaccrual, With Allowance	4,398	4,770
Financing Receivable, Nonaccrual, No Allowance	1,459	890
Nonaccrual loans	5,857	5,660
Construction real estate
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Nonaccrual, With Allowance	0	0
Financing Receivable, Nonaccrual, No Allowance	715	1,120
Nonaccrual loans	715	1,120
Commercial real estate
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Nonaccrual, With Allowance	20,321	15,977
Financing Receivable, Nonaccrual, No Allowance	29,160	29,613
Nonaccrual loans	49,481	45,590
Residential real estate
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Nonaccrual, With Allowance	0	0
Financing Receivable, Nonaccrual, No Allowance	17,439	18,302
Nonaccrual loans	17,439	18,302
Home equity
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Nonaccrual, With Allowance	0	0
Financing Receivable, Nonaccrual, No Allowance	3,687	2,927
Nonaccrual loans	3,687	2,927
Installment
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Nonaccrual, With Allowance	0	0
Financing Receivable, Nonaccrual, No Allowance	786	748
Nonaccrual loans	$ 786	$ 748