Consolidated Statements Of Condition - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Assets
Cash and due from banks	$ 392,142	$ 277,534
Federal funds sold and securities purchased under resale agreements	58	57
Interest bearing deposits with banks	1,099,594	1,063,242
Available-for-sale securities, at fair value	2,126,081	1,803,666
Held-to-maturity securities, at amortized cost ($1.0 billion and $812.5 million fair value at December 31, 2018 and 2017, respectively)	1,067,439	826,449
Trading account securities	1,692	995
Equity securities with readily determinable fair value	34,717	0
Federal Home Loan Bank and Federal Reserve Bank stock	91,354	89,989
Brokerage customer receivables	12,609	26,431
Mortgage loans held-for-sale	264,070	313,592
Loans, net of unearned income	23,820,691	21,640,797
Allowance for loan losses	(152,770)	(137,905)
Net loans	23,667,921	21,502,892
Premises and equipment, net	671,169	621,895
Lease investments, net	233,208	212,335
Accrued interest receivable and other assets	696,707	567,374
Trade date securities receivable	263,523	90,014
Goodwill	573,141	501,884
Other intangible assets	49,424	17,621
Total assets	31,244,849	27,915,970
Deposits:
Non-interest bearing	6,569,880	6,792,497
Interest bearing	19,524,798	16,390,850
Total deposits	26,094,678	23,183,347
Federal Home Loan Bank advances	426,326	559,663
Other borrowings	393,855	266,123
Subordinated notes	139,210	139,088
Junior subordinated debentures	253,566	253,566
Accrued interest payable and other liabilities	669,644	537,244
Total liabilities	27,977,279	24,939,031
Preferred stock, no par value; 20,000,000 shares authorized:
Common stock, no par value; $1.00 stated value; 100,000,000 shares authorized at December 31, 2018 and 2017; 56,518,119 shares issued at December 31, 2018 and 56,068,220 shares issued at December 31, 2017	56,518	56,068
Surplus	1,557,984	1,529,035
Treasury stock, at cost, 110,561 shares at December 31, 2018 and 103,013 shares at December 31, 2017	(5,634)	(4,986)
Retained earnings	1,610,574	1,313,657
Accumulated other comprehensive loss	(76,872)	(41,835)
Total shareholders’ equity	3,267,570	2,976,939
Total liabilities and shareholders’ equity	31,244,849	27,915,970
Series D preferred stock
Preferred stock, no par value; 20,000,000 shares authorized:
Series D - $25 liquidation value; 5,000,000 shares issued and outstanding at December 31, 2018 and December 31, 2017	$ 125,000	$ 125,000