Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Assets:
Cash and due from banks	$ 561,838	$ 532,824
Interest-bearing deposits	3,560,865	2,991,782
Federal funds sold and resell agreements	18,742	66,917
Total cash and cash equivalents	4,141,445	3,591,523
Securities held to maturity, at amortized cost	2,250,460	2,663,009
Securities available for sale, at estimated fair value	10,203,277	9,206,358
Trading account securities	16,703	16,579
Loans, net of unearned discounts	11,975,392	11,486,531
Less: Allowance for loan losses	(153,045)	(135,859)
Net loans	11,822,347	11,350,672
Premises and equipment, net	525,821	559,124
Goodwill	654,952	654,668
Other intangible assets, net	6,776	8,800
Cash surrender value of life insurance policies	177,884	175,191
Accrued interest receivable and other assets	396,654	340,018
Total assets	30,196,319	28,565,942
Liabilities:
Non-interest-bearing demand deposits	10,513,369	10,270,233
Interest-bearing deposits	15,298,206	14,073,362
Total deposits	25,811,575	24,343,595
Federal funds purchased and repurchase agreements	976,992	893,522
Junior subordinated deferrable interest debentures	136,127	136,069
Other long-term borrowings, net of unamortized issuance costs	99,990	99,870
Accrued interest payable and other liabilities	169,107	202,543
Total liabilities	27,193,791	25,675,599
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 2016 and 2015	144,486	144,486
Common stock, par value $0.01 per share; 210,000,000 shares authorized; 63,632,464 shares issued in 2016 and 2015	637	637
Additional paid-in capital	906,732	897,350
Retained earnings	1,985,569	1,845,188
Accumulated other comprehensive income, net of tax	(24,623)	113,863
Treasury stock, at cost; 158,243 shares in 2016 and 1,650,131 in 2015.	(10,273)	(111,181)
Total shareholders’ equity	3,002,528	2,890,343
Total liabilities and shareholders’ equity	$ 30,196,319	$ 28,565,942