Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Assets:
Cash and due from banks	$ 532,824	$ 702,485
Interest-bearing deposits	2,991,782	3,630,846
Federal funds sold and resell agreements	66,917	30,792
Total cash and cash equivalents	3,591,523	4,364,123
Securities held to maturity, at amortized cost	2,663,009	2,926,486
Securities available for sale, at estimated fair value	9,206,358	8,461,254
Trading account securities	16,579	15,426
Loans, net of unearned discounts	11,486,531	10,987,535
Less: Allowance for loan losses	(135,859)	(99,542)
Net loans	11,350,672	10,887,993
Premises and equipment, net	559,124	442,170
Goodwill	654,668	654,668
Other intangible assets, net	8,800	12,125
Cash surrender value of life insurance policies	175,191	172,050
Accrued interest receivable and other assets	341,194	341,480
Total assets	28,567,118	28,277,775
Liabilities:
Non-interest-bearing demand deposits	10,270,233	10,149,061
Interest-bearing deposits	14,073,362	13,986,869
Total deposits	24,343,595	24,135,930
Federal funds purchased and repurchase agreements	893,522	803,119
Junior subordinated deferrable interest debentures	137,115	137,115
Other long-term borrowings	100,000	100,000
Accrued interest payable and other liabilities	202,543	250,208
Total liabilities	25,676,775	25,426,372
Shareholders’ Equity:
Preferred stock, par value $0.01 per share; 10,000,000 shares authorized; 6,000,000 Series A shares ($25 liquidation preference) issued in both 2015 and 2014	144,486	144,486
Common stock, par value $0.01 per share; 210,000,000 shares authorized; 63,632,464 shares issued in 2015 and 2014	637	637
Additional paid-in capital	897,350	886,476
Retained earnings	1,845,188	1,710,324
Accumulated other comprehensive income, net of tax	113,863	141,814
Treasury stock, at cost; 1,650,131 shares in 2015 and 483,041 in 2014.	(111,181)	(32,334)
Total shareholders’ equity	2,890,343	2,851,403
Total liabilities and shareholders’ equity	$ 28,567,118	$ 28,277,775