Consolidated Balance Sheets (unaudited) - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016
ASSETS
Cash and cash equivalents	$ 377,213	$ 395,175
Interest bearing funds with Federal Reserve Bank	468,148	527,090
Interest earning deposits with banks	6,012	18,720
Federal funds sold and securities purchased under resale agreements	46,847	58,060
Trading account assets, at fair value	3,045	9,314
Mortgage loans held for sale, at fair value	61,893	51,545
Investment securities available for sale, at fair value	3,827,058	3,718,195
Loans, net of deferred fees and costs	24,430,512	23,856,391
Allowance for loan losses	(248,095)	(251,758)
Loans, net	24,182,417	23,604,633
Premises and equipment, net	416,364	417,485
Goodwill	57,092	59,678
Other intangible assets	11,843	13,223
Other real estate	19,476	22,308
Deferred tax asset, net	320,403	395,356
Other assets	890,155	813,220
Total assets	30,687,966	30,104,002
Deposits:
Non-interest bearing deposits	7,363,476	7,085,804
Interest bearing deposits, excluding brokered deposits	16,387,032	16,183,273
Brokered deposits	1,468,308	1,378,983
Total deposits	25,218,816	24,648,060
Federal funds purchased and securities sold under repurchase agreements	150,379	159,699
Long-term debt	2,107,245	2,160,881
Other liabilities	213,579	207,438
Total liabilities	27,690,019	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 June 30, 2017 and December 31, 2016	125,980	125,980
Common stock - $1.00 par value. Authorized 342,857,143 shares; 142,498,906 issued at June 30, 2017 and 142,025,720 issued at December 31, 2016; 121,661,092 outstanding at June 30, 2017 and 122,266,106 outstanding at December 31, 2016	142,499	142,026
Additional paid-in capital	3,029,754	3,028,405
Treasury stock, at cost – 20,837,814 shares at June 30, 2017 and 19,759,614 shares at December 31, 2016	(709,944)	(664,595)
Accumulated other comprehensive loss	(47,865)	(55,659)
Retained earnings	457,523	351,767
Total shareholders’ equity	2,997,947	2,927,924
Total liabilities and shareholders' equity	$ 30,687,966	$ 30,104,002