CONSOLIDATED STATEMENTS OF CONDITION - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022	Mar. 31, 2022
Assets
Cash and due from banks	$ 445,928	$ 490,908	$ 462,516
Federal funds sold and securities purchased under resale agreements	58	58	700,056
Interest-bearing deposits with banks	1,563,578	1,988,719	4,013,597
Available-for-sale securities	3,259,845	3,243,017	2,998,898
Held-to-maturity securities, at amortized cost, net of allowance for credit losses of $463, $488 and $159 at March 31, 2023, December 31, 2022 and March 31, 2022, respectively ($3.0 billion, $2.9 billion and $3.1 billion fair value at March 31, 2023, December 31, 2022 and March 31, 2022, respectively)	3,606,391	3,640,567	3,435,729
Trading account securities	102	1,127	852
Equity securities with readily determinable fair value	111,943	110,365	92,689
Federal Home Loan Bank and Federal Reserve Bank stock	244,957	224,759	136,163
Brokerage customer receivables	16,042	16,387	22,888
Mortgage loans held-for-sale, at fair value	302,493	299,935	606,545
Loans, net of unearned income	39,565,471	39,196,485	35,280,547
Allowance for loan losses	(375,798)	(357,448)	(301,168)
Premises, software and equipment, net	760,283	764,798	761,213
Lease investments, net	256,301	253,928	240,656
Accrued interest receivable and other assets	1,413,795	1,391,342	1,066,750
Trade date securities receivable	939,758	921,717	0
Goodwill	653,587	653,524	655,402
Other acquisition-related intangible assets	20,951	22,186	26,699
Total assets	52,873,511	52,949,649	50,250,661
Deposits:
Non-interest-bearing	11,236,083	12,668,160	13,748,918
Interest-bearing	31,482,128	30,234,384	28,470,404
Total deposits	42,718,211	42,902,544	42,219,322
Federal Home Loan Bank advances	2,316,071	2,316,071	1,241,071
Other borrowings	583,548	596,614	482,516
Subordinated notes	437,493	437,392	437,033
Junior subordinated debentures	253,566	253,566	253,566
Trade date securities payable	0	0	437
Accrued interest payable and other liabilities	1,549,116	1,646,624	1,124,460
Total liabilities	47,858,005	48,152,811	45,758,405
Shareholders’ Equity:
Common stock, no par value; $1.00 stated value; 100,000,000 shares authorized at March 31, 2023, December 31, 2022 and March 31, 2022; 61,197,979 shares issued at March 31, 2023, 60,797,270 shares issued at December 31, 2022 and 59,090,903 shares issued at March 31, 2022	61,198	60,797	59,091
Surplus	1,913,947	1,902,474	1,698,093
Treasury stock, at cost, 21,564 shares at March 31, 2023, 3,262 shares at December 31, 2022, and 1,837,689 shares at March 31, 2022	(1,966)	(304)	(109,903)
Retained earnings	2,997,263	2,849,007	2,548,474
Accumulated other comprehensive loss	(367,436)	(427,636)	(115,999)
Total shareholders’ equity	5,015,506	4,796,838	4,492,256
Total liabilities and shareholders’ equity	52,873,511	52,949,649	50,250,661
Series D - $25 liquidation value; 5,000,000 shares issued and outstanding at March 31, 2023, December 31, 2022 and March 31, 2022
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, 2023, December 31, 2022 and March 31, 2022
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	39,565,471	39,196,485	35,280,547
Allowance for loan losses	(287,972)	(270,173)	(250,539)
Net loans	$ 39,277,499	$ 38,926,312	$ 35,030,008