LOANS AND LEASES - Additional Information (Details)	12 Months Ended
	Dec. 31, 2025 USD ($) state	Dec. 31, 2024 USD ($)
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accrued interest receivable	$ 124,100,000	$ 128,400,000
Discount remaining	$ 21,200,000	31,600,000
Number of states, company operating financial services | state	7
Loan modification, accrued interest receivable	$ 100,000	200,000
Loan modification, additional funds	0	0
Pooled reserves for all other classes of loans	$ 1,300,000	3,400,000
Minimum
Accounts, Notes, Loans and Financing Receivable [Line Items]
Past due period for loan to be in default	90 days
Maximum
Accounts, Notes, Loans and Financing Receivable [Line Items]
Past due period for loan to be in default	12 months
Total commercial loans and leases
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans modified, specific reserves	$ 0	8,100,000
Loans modified, pooled reserves	600,000	1,800,000
Total commercial loans and leases | Commercial Loan
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, collateral dependent	172,800,000
Threshold for loans whose terms have been modified in a trouble debt restructuring, non accrual	1,000,000.0
Residential Mortgages
Accounts, Notes, Loans and Financing Receivable [Line Items]
Carrying value of OREO through foreclosure	1,100,000	1,200,000
Mortgage loans on real estate, foreclosure	$ 16,900,000	$ 10,600,000