CONSOLIDATED STATEMENTS OF CONDITION - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022	Sep. 30, 2022
Assets
Cash and due from banks	$ 418,088	$ 490,908	$ 489,590
Federal funds sold and securities purchased under resale agreements	60	58	57
Interest-bearing deposits with banks	2,448,570	1,988,719	3,968,605
Available-for-sale securities, at fair value	3,611,835	3,243,017	2,923,653
Held-to-maturity securities, at amortized cost, net of allowance for credit losses of $381, $488 and $310 at September 30, 2023, December 31, 2022 and September 30, 2022, respectively ($3.1 billion, $2.9 billion and $2.7 billion fair value at September 30, 2023, December 31, 2022 and September 30, 2022, respectively)	3,909,150	3,640,567	3,389,842
Trading account securities	1,663	1,127	179
Equity securities with readily determinable fair value	134,310	110,365	114,012
Federal Home Loan Bank and Federal Reserve Bank stock	204,040	224,759	178,156
Brokerage customer receivables	14,042	16,387	20,327
Mortgage loans held-for-sale, at fair value	304,808	299,935	376,160
Loans, net of unearned income	41,446,032	39,196,485	38,167,613
Allowance for loan losses	(399,150)	(357,448)	(315,028)
Premises, software and equipment, net	747,501	764,798	763,029
Lease investments, net	275,152	253,928	244,822
Accrued interest receivable and other assets	1,674,681	1,391,342	1,316,305
Trade date securities receivable	0	921,717	0
Goodwill	656,109	653,524	653,079
Other acquisition-related intangible assets	24,244	22,186	23,620
Total assets	55,555,246	52,949,649	52,382,939
Deposits:
Non-interest-bearing	10,347,006	12,668,160	13,529,277
Interest-bearing	34,645,680	30,234,384	29,267,914
Total deposits	44,992,686	42,902,544	42,797,191
Federal Home Loan Bank advances	2,326,071	2,316,071	2,316,071
Other borrowings	643,999	596,614	447,215
Subordinated notes	437,731	437,392	437,260
Junior subordinated debentures	253,566	253,566	253,566
Accrued interest payable and other liabilities	1,885,580	1,646,624	1,493,656
Total liabilities	50,539,633	48,152,811	47,744,959
Shareholders’ Equity:
Common stock, no par value; $1.00 stated value; 100,000,000 shares authorized at September 30, 2023, December 31, 2022 and September 30, 2022; 61,243,622 shares issued at September 30, 2023, 60,797,270 shares issued at December 31, 2022 and 60,743,335 shares issued at September 30, 2022	61,244	60,797	60,743
Surplus	1,933,226	1,902,474	1,891,621
Treasury stock, at cost, 21,564 shares at September 30, 2023, 3,262 shares at December 31, 2022, and no shares at September 30, 2022	(1,966)	(304)	0
Retained earnings	3,253,332	2,849,007	2,731,844
Accumulated other comprehensive loss	(642,723)	(427,636)	(458,728)
Total shareholders’ equity	5,015,613	4,796,838	4,637,980
Total liabilities and shareholders’ equity	55,555,246	52,949,649	52,382,939
Series D - $25 liquidation value; 5,000,000 shares issued and outstanding at September 30, 2023, December 31, 2022 and September 30, 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 September 30, 2023, December 31, 2022 and September 30, 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	41,446,032	39,196,485	38,167,613
Allowance for loan losses	(315,039)	(270,173)	(246,110)
Net loans	$ 41,130,993	$ 38,926,312	$ 37,921,503