CONSOLIDATED STATEMENTS OF CONDITION - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022	Jun. 30, 2022
Assets
Cash and due from banks	$ 513,858	$ 490,908	$ 498,891
Federal funds sold and securities purchased under resale agreements	59	58	475,056
Interest-bearing deposits with banks	2,163,708	1,988,719	3,266,541
Available-for-sale securities	3,492,481	3,243,017	2,970,121
Held-to-maturity securities, at amortized cost, net of allowance for credit losses of $406, $488 and $83 at June 30, 2023, December 31, 2022 and June 30, 2022, respectively ($2.9 billion, $2.9 billion and $2.9 billion fair value at June 30, 2023, December 31, 2022 and June 30, 2022, respectively)	3,564,473	3,640,567	3,413,469
Trading account securities	3,027	1,127	1,010
Equity securities with readily determinable fair value	116,275	110,365	93,295
Federal Home Loan Bank and Federal Reserve Bank stock	195,117	224,759	136,138
Brokerage customer receivables	15,722	16,387	21,527
Mortgage loans held-for-sale, at fair value	338,728	299,935	513,232
Loans, net of unearned income	41,023,408	39,196,485	37,053,103
Allowance for loan losses	(387,380)	(357,448)	(312,109)
Premises, software and equipment, net	749,393	764,798	762,381
Lease investments, net	274,351	253,928	223,813
Accrued interest receivable and other assets	1,455,748	1,391,342	1,112,697
Trade date securities receivable	0	921,717	0
Goodwill	656,674	653,524	654,709
Other acquisition-related intangible assets	25,653	22,186	25,118
Total assets	54,286,176	52,949,649	50,969,332
Deposits:
Non-interest-bearing	10,604,915	12,668,160	13,855,844
Interest-bearing	33,433,792	30,234,384	28,737,482
Total deposits	44,038,707	42,902,544	42,593,326
Federal Home Loan Bank advances	2,026,071	2,316,071	1,166,071
Other borrowings	665,219	596,614	482,787
Subordinated notes	437,628	437,392	437,162
Junior subordinated debentures	253,566	253,566	253,566
Accrued interest payable and other liabilities	1,823,073	1,646,624	1,308,797
Total liabilities	49,244,264	48,152,811	46,241,709
Shareholders’ Equity:
Common stock, no par value; $1.00 stated value; 100,000,000 shares authorized at June 30, 2023, December 31, 2022 and June 30, 2022; 61,219,240 shares issued at June 30, 2023, 60,797,270 shares issued at December 31, 2022 and 60,721,889 shares issued at June 30, 2022	61,219	60,797	60,722
Surplus	1,923,623	1,902,474	1,880,913
Treasury stock, at cost, 21,564 shares at June 30, 2023, 3,262 shares at December 31, 2022, and no shares at June 30, 2022	(1,966)	(304)	0
Retained earnings	3,120,626	2,849,007	2,616,525
Accumulated other comprehensive loss	(474,090)	(427,636)	(243,037)
Total shareholders’ equity	5,041,912	4,796,838	4,727,623
Total liabilities and shareholders’ equity	54,286,176	52,949,649	50,969,332
Series D - $25 liquidation value; 5,000,000 shares issued and outstanding at June 30, 2023, December 31, 2022 and June 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 June 30, 2023, December 31, 2022 and June 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	41,023,408	39,196,485	37,053,103
Allowance for loan losses	(302,499)	(270,173)	(251,769)
Net loans	$ 40,720,909	$ 38,926,312	$ 36,801,334