CONSOLIDATED STATEMENTS OF INCOME - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Interest Income
Loans and leases, including fees	$ 1,996.0	$ 1,985.0	$ 1,754.0
Investment Securities:
Taxable	232.0	196.0	150.0
Tax-exempt	28.0	28.0	28.0
Other	70.0	43.0	41.0
Total Interest Income	2,326.0	2,252.0	1,973.0
Interest Expense
Deposits	737.0	754.0	495.0
Short-term borrowings	68.0	99.0	78.0
Long-term borrowings	125.0	119.0	83.0
Total Interest Expense	930.0	972.0	656.0
Net interest income (loss)	1,396.0	1,280.0	1,317.0
Provision for credit losses	86.0	79.8	72.0
Net Interest Income After Provision for Credit Losses	1,310.0	1,200.0	1,245.0
Non-Interest Income
Service charges	92.0	91.0	82.0
Interchange and card transaction fees	52.0	52.0	52.0
Trust services	48.0	46.0	43.0
Insurance commissions and fees	20.0	22.0	23.0
Securities commissions and fees	36.0	31.0	28.0
Capital markets income	27.0	24.0	27.0
Mortgage banking operations	28.0	27.0	21.0
Dividends on non-marketable equity securities	24.0	25.0	21.0
Bank owned life insurance	18.0	17.0	12.0
Net securities gains (losses)	0.0	(34.0)	(67.0)
Other	24.0	15.0	12.0
Total Non-Interest Income	369.0	316.0	254.0
Non-Interest Expense
Salaries and employee benefits	530.0	504.0	462.0
Net occupancy	78.0	79.0	70.0
Equipment	108.0	98.0	91.0
Outside services	108.0	96.0	84.0
Marketing	20.0	21.0	17.0
FDIC insurance	28.0	41.0	61.0
Bank shares tax	13.0	14.0	14.0
Other	125.0	108.0	116.0
Total Non-Interest Expense	1,010.0	961.0	915.0
Income Before Income Taxes	669.0	555.0	584.0
Income taxes	104.0	90.0	99.0
Net Income	565.0	465.0	485.0
Preferred stock dividends	0.0	6.0	8.0
Net Income Available to Common Shareholders	565.0	459.0	477.0
Net Income Available to Common Shareholders	$ 565.0	$ 459.0	$ 477.0
Earnings per Common Share
Basic (USD per share)	$ 1.57	$ 1.27	$ 1.32
Diluted (USD per share)	$ 1.56	$ 1.27	$ 1.31