CONSOLIDATED STATEMENTS OF CONDITION - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021	Mar. 31, 2021
Assets
Cash and due from banks	$ 462,516	$ 411,150	$ 426,325
Federal funds sold and securities purchased under resale agreements	700,056	700,055	52
Interest-bearing deposits with banks	4,013,597	5,372,603	3,348,794
Available-for-sale securities, at fair value	2,998,898	2,327,793	2,430,749
Held-to-maturity securities, at amortized cost, net of allowance for credit losses of $159, $78 and $99 at March 31, 2022, December 31, 2021 and March 31, 2021, respectively ($3.1 billion, $2.9 billion and $2.1 billion fair value at March 31, 2022, December 31, 2021 and March 31, 2021, respectively)	3,435,729	2,942,285	2,166,419
Trading account securities	852	1,061	951
Equity securities with readily determinable fair value	92,689	90,511	90,338
Federal Home Loan Bank and Federal Reserve Bank stock	136,163	135,378	135,881
Brokerage customer receivables	22,888	26,068	19,056
Mortgage loans held-for-sale, at fair value	606,545	817,912	1,260,193
Loans, net of unearned income	35,280,547	34,789,104	33,171,233
Allowance for loan losses	(301,168)	(299,653)	(321,209)
Premises, software and equipment, net	761,213	766,405	760,522
Lease investments, net	240,656	242,082	238,984
Accrued interest receivable and other assets	1,066,750	1,084,115	1,230,362
Goodwill	655,402	655,149	646,017
Other acquisition-related intangible assets	26,699	28,307	34,035
Total assets	50,250,661	50,142,143	45,682,202
Deposits:
Non-interest-bearing	13,748,918	14,179,980	12,297,337
Interest-bearing	28,470,404	27,915,605	25,575,315
Total deposits	42,219,322	42,095,585	37,872,652
Federal Home Loan Bank advances	1,241,071	1,241,071	1,228,436
Other borrowings	482,516	494,136	516,877
Subordinated notes	437,033	436,938	436,595
Junior Subordinated Debentures	253,566	253,566	253,566
Trade date securities payable	437	0	995
Accrued interest payable and other liabilities	1,124,460	1,122,159	1,120,570
Total liabilities	45,758,405	45,643,455	41,429,691
Shareholders’ Equity:
Common stock, no par value; $1.00 stated value; 100,000,000 shares authorized at March 31, 2022, December 31, 2021 and March 31, 2021; 59,090,903 shares issued at March 31, 2022, 58,891,780 shares issued at December 31, 2021 and 58,726,900 shares issued at March 31, 2021	59,091	58,892	58,727
Surplus	1,698,093	1,685,572	1,663,008
Treasury stock, at cost, 1,837,689 shares at March 31, 2022, 1,837,689 shares at December 31, 2021, and 1,703,627 shares at March 31, 2021	(109,903)	(109,903)	(100,363)
Retained earnings	2,548,474	2,447,535	2,208,535
Accumulated other comprehensive (loss) income	(115,999)	4,092	10,104
Total shareholders’ equity	4,492,256	4,498,688	4,252,511
Total liabilities and shareholders’ equity	50,250,661	50,142,143	45,682,202
Loans
Assets
Loans, net of unearned income	35,280,547	34,789,104	33,171,233
Allowance for loan losses	(250,539)	(247,835)	(277,709)
Net loans	35,030,008	34,541,269	32,893,524
Series D - $25 liquidation value; 5,000,000 shares issued and outstanding at March 31, 2022, December 31, 2021 and March 31, 2021
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, 2022, December 31, 2021 and March 31, 2021
Shareholders’ Equity:
Preferred stock, no par value; 20,000,000 shares authorized:	$ 287,500	$ 287,500	$ 287,500