Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2016	Dec. 31, 2015
Assets:
Cash and due from banks	$ 572,287	$ 532,824
Interest-bearing deposits	2,726,094	2,991,782
Federal funds sold and resell agreements	66,842	66,917
Total cash and cash equivalents	3,365,223	3,591,523
Securities held to maturity, at amortized cost	2,339,602	2,663,009
Securities available for sale, at estimated fair value	10,044,033	9,206,358
Trading account securities	27,934	16,579
Loans, net of unearned discounts	11,584,182	11,486,531
Less: Allowance for loan losses	(149,714)	(135,859)
Net loans	11,434,468	11,350,672
Premises and equipment, net	564,199	559,124
Goodwill	654,668	654,668
Other intangible assets, net	7,517	8,800
Cash surrender value of life insurance policies	176,345	175,191
Accrued interest receivable and other assets	362,260	340,018
Total assets	28,976,249	28,565,942
Liabilities:
Non-interest-bearing demand deposits	9,779,387	10,270,233
Interest-bearing deposits	14,508,064	14,073,362
Total deposits	24,287,451	24,343,595
Federal funds purchased and repurchase agreements	733,160	893,522
Junior subordinated deferrable interest debentures, net of unamortized issuance costs	136,098	136,069
Other long-term borrowings, net of unamortized issuance costs	99,930	99,870
Accrued interest payable and other liabilities	582,942	202,543
Total liabilities	25,839,581	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 at June 30, 2016 and December 31, 2015	144,486	144,486
Common stock, par value $0.01 per share; 210,000,000 shares authorized; 63,632,464 shares issued at June 30, 2016 and December 31, 2015	637	637
Additional paid-in capital	902,892	897,350
Retained earnings	1,914,022	1,845,188
Accumulated other comprehensive income, net of tax	281,357	113,863
Treasury stock, at cost; 1,583,056 shares at June 30, 2016 and 1,650,131 shares at December 31, 2015	(106,726)	(111,181)
Total shareholders’ equity	3,136,668	2,890,343
Total liabilities and shareholders’ equity	$ 28,976,249	$ 28,565,942