Consolidated Balance Sheets (unaudited) - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016
ASSETS
Cash and cash equivalents	$ 380,493	$ 395,175
Interest bearing funds with Federal Reserve Bank	622,460	527,090
Interest earning deposits with banks	24,259	18,720
Federal funds sold and securities purchased under resale agreements	50,003	58,060
Trading account assets, at fair value	1,778	9,314
Mortgage loans held for sale, at fair value	57,686	51,545
Investment securities available for sale, at fair value	3,782,942	3,718,195
Loans, net of deferred fees and costs	24,258,468	23,856,391
Allowance for loan losses	(253,514)	(251,758)
Loans, net	24,004,954	23,604,633
Premises and equipment, net	412,725	417,485
Goodwill	57,010	59,678
Other intangible assets	12,137	13,223
Other real estate	20,425	22,308
Deferred tax asset, net	359,121	395,356
Other assets	893,596	813,220
Total assets	30,679,589	30,104,002
LIABILITIES AND SHAREHOLDERS' EQUITY
Non-interest bearing deposits	7,264,856	7,085,804
Interest bearing deposits, excluding brokered deposits	16,452,703	16,183,273
Brokered deposits	1,388,153	1,378,983
Total deposits	25,105,712	24,648,060
Federal funds purchased and securities sold under repurchase agreements	146,480	159,699
Long-term debt	2,160,867	2,160,881
Other liabilities	304,403	207,438
Total liabilities	27,717,462	27,176,078
Shareholders' Equity
Series C Preferred Stock – no par value. Authorized 100,000,000 shares; 5,200,000 shares issued and outstanding at March 31, 2017 and December 31, 2016	125,980	125,980
Common stock - $1.00 par value. Authorized 342,857,143 shares; 142,441,418 issued at March 31, 2017 and 142,025,720 issued at December 31, 2016; 122,321,804 outstanding at March 31, 2017 and 122,266,106 outstanding at December 31, 2016	142,441	142,026
Additional paid-in capital	3,025,775	3,028,405
Treasury stock, at cost – 20,119,614 shares at March 31, 2017 and 19,759,614 shares at December 31, 2016	(679,746)	(664,595)
Accumulated other comprehensive loss	(54,751)	(55,659)
Retained earnings	402,428	351,767
Total shareholders’ equity	2,962,127	2,927,924
Total liabilities and shareholders' equity	$ 30,679,589	$ 30,104,002