CONSOLIDATED STATEMENTS OF CONDITION - USD ($) $ in Thousands	Mar. 31, 2025	Dec. 31, 2024	Mar. 31, 2024
Assets
Cash and due from banks	$ 616,216	$ 452,017	$ 379,825
Federal funds sold and securities purchased under resale agreements	63	6,519	61
Interest-bearing deposits with banks	4,238,237	4,409,753	2,131,077
Available-for-sale securities, at fair value	4,220,305	4,141,482	4,387,598
Held-to-maturity securities, at amortized cost, net of allowance for credit losses of $446, $457 and $329 at March 31, 2025, December 31, 2024 and March 31, 2024, respectively ($2.9 billion, $2.9 billion and $3.1 billion fair value at March 31, 2025, December 31, 2024 and March 31, 2024, respectively)	3,564,490	3,613,263	3,810,015
Trading account securities	0	4,072	2,184
Equity securities with readily determinable fair value	270,442	215,412	119,777
Federal Home Loan Bank and Federal Reserve Bank stock	281,893	281,407	224,657
Brokerage customer receivables	0	18,102	13,382
Mortgage loans held-for-sale, at fair value	316,804	331,261	339,884
Loans, net of unearned income	48,708,390	48,055,037	43,230,706
Allowance for loan losses	(447,941)	(436,603)	(427,175)
Premises, software and equipment, net	776,679	779,130	744,769
Lease investments, net	280,472	278,264	283,557
Accrued interest receivable and other assets	1,598,255	1,739,334	1,580,142
Receivable on unsettled securities sales	463,023	0	0
Goodwill	796,932	796,942	656,181
Other acquisition-related intangible assets	116,072	121,690	21,730
Total assets	65,870,066	64,879,668	57,576,933
Deposits:
Non-interest-bearing	11,201,859	11,410,018	9,908,183
Interest-bearing	42,368,179	41,102,331	36,540,675
Total deposits	53,570,038	52,512,349	46,448,858
Federal Home Loan Bank advances	3,151,309	3,151,309	2,676,751
Other borrowings	529,269	534,803	575,408
Subordinated notes	298,360	298,283	437,965
Junior subordinated debentures	253,566	253,566	253,566
Accrued interest payable and other liabilities	1,466,987	1,785,061	1,747,985
Total liabilities	59,269,529	58,535,371	52,140,533
Shareholders’ Equity:
Common stock, no par value; $1.00 stated value; 100,000,000 shares authorized at March 31, 2025, December 31, 2024 and March 31, 2024; 67,006,594 shares issued at March 31, 2025, 66,560,182 shares issued at December 31, 2024 and 61,798,213 shares issued at March 31, 2024	67,007	66,560	61,798
Surplus	2,494,347	2,482,561	1,954,532
Treasury stock, at cost, $87,269 shares at March 31, 2025, 64,955 shares at December 31, 2024, and 61,498 shares at March 31, 2024	(9,156)	(6,153)	(5,757)
Retained earnings	4,045,854	3,897,164	3,498,475
Accumulated other comprehensive loss	(410,015)	(508,335)	(485,148)
Total shareholders’ equity	6,600,537	6,344,297	5,436,400
Total liabilities and shareholders’ equity	65,870,066	64,879,668	57,576,933
Series D - $25 liquidation value; 5,000,000 shares issued and outstanding at March 31, 2025, December 31, 2024 and March 31, 2024
Shareholders’ Equity:
Preferred stock, no par value; 20,000,000 shares authorized:	125,000	125,000	125,000
Series E - $25,000 liquidation value; 11,500 shares issued and outstanding at March 31, 2025, December 31, 2024 and March 31, 2024
Shareholders’ Equity:
Preferred stock, no par value; 20,000,000 shares authorized:	287,500	287,500	287,500
Loans
Assets
Loans, net of unearned income	48,708,390	48,055,037	43,230,706
Allowance for loan losses	(378,207)	(364,017)	(348,612)
Net loans	$ 48,330,183	$ 47,691,020	$ 42,882,094