Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016
Assets:
Cash and due from banks	$ 542,475	$ 561,838
Interest-bearing deposits	3,040,148	3,560,865
Federal funds sold and resell agreements	123,692	18,742
Total cash and cash equivalents	3,706,315	4,141,445
Securities held to maturity, at amortized cost	1,596,262	2,250,460
Securities available for sale, at estimated fair value	10,783,737	10,203,277
Trading account securities	27,600	16,703
Loans, net of unearned discounts	12,512,338	11,975,392
Less: Allowance for loan losses	(149,558)	(153,045)
Net loans	12,362,780	11,822,347
Premises and equipment, net	520,253	525,821
Goodwill	654,952	654,952
Other intangible assets, net	5,880	6,776
Cash surrender value of life insurance policies	178,987	177,884
Accrued interest receivable and other assets	369,548	396,654
Total assets	30,206,314	30,196,319
Liabilities:
Non-interest-bearing demand deposits	10,707,365	10,513,369
Interest-bearing deposits	14,906,208	15,298,206
Total deposits	25,613,573	25,811,575
Federal funds purchased and repurchase agreements	924,867	976,992
Junior subordinated deferrable interest debentures, net of unamortized issuance costs	136,155	136,127
Subordinated notes, net of unamortized issuance costs	98,473	99,990
Accrued interest payable and other liabilities	209,317	169,107
Total liabilities	26,982,385	27,193,791
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 at June 30, 2017 and December 31, 2016	144,486	144,486
Common stock, par value $0.01 per share; 210,000,000 shares authorized; 64,225,827 shares issued at June 30, 2017 and 63,632,464 shares issued at December 31, 2016	642	637
Additional paid-in capital	948,593	906,732
Retained earnings	2,078,898	1,985,569
Accumulated other comprehensive income, net of tax	51,310	(24,623)
Treasury stock, at cost; none at June 30, 2017 and 158,243 shares at December 31, 2016	0	(10,273)
Total shareholders’ equity	3,223,929	3,002,528
Total liabilities and shareholders’ equity	$ 30,206,314	$ 30,196,319