LOANS, ALLOWANCE FOR LOAN LOSSES AND CREDIT QUALITY (Details) - USD ($)		12 Months Ended
		Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Receivables [Abstract]
Days To Be Termed As Non Accrual Loans		90 days
Tdrs Recorded Investment On Nonaccrual Status			$ 11,520,000
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, before Allowance for Credit Loss		$ 14,278,070,000	13,928,675,000
Financing Receivable, Credit Loss, Expense (Reversal)		23,250,000	6,500,000	$ 18,205,000
Financing Receivable, Allowance for Credit Loss	[1]	14,278,070,000	13,928,675,000
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Allowance for Credit Loss, Period Increase (Decrease)		10,200,000
Off-Balance Sheet, Credit Loss, Liability		$ 1,500,000	1,300,000
Financing Receivable, Allowance for Credit Loss, Period Increase (Decrease) by percentage		(6.70%)
Financing Receivable, Unamortized Loan Cost (Fee)		$ 6,400,000	5,000,000
Interest Receivable		60,200,000	$ 50,800,000	$ 43,700,000
Accounts Receivable, Noncurrent, Accrued Interest, Writeoff		$ 1,000,000

[1] (2)Other consumer portfolio is inclusive of deposit account overdrafts recorded as loan balances and the associated gross write-offs.