CONSOLIDATED STATEMENTS OF CONDITION - USD ($) $ in Thousands	Sep. 30, 2025	Dec. 31, 2024	Sep. 30, 2024
Assets
Cash and due from banks	$ 565,406	$ 452,017	$ 725,465
Federal funds sold and securities purchased under resale agreements	63	6,519	5,663
Interest-bearing deposits with banks	3,422,452	4,409,753	3,648,117
Available-for-sale securities, at fair value	5,274,124	4,141,482	3,912,232
Held-to-maturity securities, at amortized cost, net of allowance for credit losses of $395, $457 and $479 at September 30, 2025, December 31, 2024 and September 30, 2024, respectively ($2.9 billion, $2.9 billion and $3.1 billion fair value at September 30, 2025, December 31, 2024 and September 30, 2024, respectively)	3,438,406	3,613,263	3,677,420
Trading account securities	0	4,072	3,472
Equity securities with readily determinable fair value	63,445	215,412	125,310
Federal Home Loan Bank and Federal Reserve Bank stock	282,755	281,407	266,908
Brokerage customer receivables	0	18,102	16,662
Mortgage loans held-for-sale, at fair value	333,883	331,261	461,067
Loans, net of unearned income	52,063,482	48,055,037	47,067,447
Allowance for loan losses	(454,191)	(436,603)	(435,714)
Premises, software and equipment, net	775,425	779,130	772,002
Lease investments, net	301,000	278,264	270,171
Accrued interest receivable and other assets	1,614,674	1,739,334	1,721,090
Receivable on unsettled securities sales	978,209	0	551,031
Goodwill	797,639	796,942	800,780
Other acquisition-related intangible assets	105,297	121,690	123,866
Total assets	69,629,638	64,879,668	63,788,424
Deposits:
Non-interest-bearing	10,952,146	11,410,018	10,739,132
Interest-bearing	45,759,235	41,102,331	40,665,834
Total deposits	56,711,381	52,512,349	51,404,966
Federal Home Loan Bank advances	3,151,309	3,151,309	3,171,309
Other borrowings	579,328	534,803	647,043
Subordinated notes	298,536	298,283	298,188
Junior subordinated debentures	253,566	253,566	253,566
Accrued interest payable and other liabilities	1,589,761	1,785,061	1,613,638
Total liabilities	62,583,881	58,535,371	57,388,710
Shareholders’ Equity:
Common stock, no par value; $1.00 stated value; 100,000,000 shares authorized at September 30, 2025, December 31, 2024 and September 30, 2024; 67,042,228 shares issued at September 30, 2025, 66,560,182 shares issued at December 31, 2024 and 66,546,351 shares issued at September 30, 2024	67,042	66,560	66,546
Surplus	2,521,306	2,482,561	2,470,228
Treasury stock, at cost, $81,019 shares at September 30, 2025, 64,955 shares at December 31, 2024, and 64,808 shares at September 30, 2024	(9,150)	(6,153)	(6,098)
Retained earnings	4,356,367	3,897,164	3,748,715
Accumulated other comprehensive loss	(314,808)	(508,335)	(292,177)
Total shareholders’ equity	7,045,757	6,344,297	6,399,714
Total liabilities and shareholders’ equity	69,629,638	64,879,668	63,788,424
Series D - $25 liquidation value; no shares issued and outstanding at September 30, 2025, and 5,000,000 shares issued and outstanding at December 31, 2024 and September 30, 2024
Shareholders’ Equity:
Preferred stock, no par value; 20,000,000 shares authorized:	0	125,000	125,000
Series E - $25,000 liquidation value; no shares issued and outstanding at September 30, 2025, and 11,500 shares issued and outstanding at December 31, 2024 and September 30, 2024
Shareholders’ Equity:
Preferred stock, no par value; 20,000,000 shares authorized:	0	287,500	287,500
Series F - $25,000 liquidation value; 17,000 shares issued and outstanding at September 30, 2025 and no shares issued and outstanding at December 31, 2024 and September 30, 2024
Shareholders’ Equity:
Preferred stock, no par value; 20,000,000 shares authorized:	425,000	0	0
Loans
Assets
Loans, net of unearned income	52,063,482	48,055,037	47,067,447
Allowance for loan losses	(386,622)	(364,017)	(360,279)
Net loans	$ 51,676,860	$ 47,691,020	$ 46,707,168