Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Assets:
Cash and due from banks	$ 678,791	$ 545,542
Interest-bearing deposits	2,641,971	4,347,538
Federal funds sold and resell agreements	635,017	159,967
Total cash and cash equivalents	3,955,779	5,053,047
Securities held to maturity, at amortized cost	1,106,057	1,432,098
Securities available for sale, at estimated fair value	11,387,321	10,489,009
Trading account securities	24,086	21,098
Loans, net of unearned discounts	14,099,733	13,145,665
Less: Allowance for loan losses	(132,132)	(155,364)
Net loans	13,967,601	12,990,301
Premises and equipment, net	552,330	520,958
Goodwill	654,952	654,952
Other intangible assets, net	3,649	5,073
Cash surrender value of life insurance policies	183,473	180,477
Accrued interest receivable and other assets	457,718	400,867
Total assets	32,292,966	31,747,880
Liabilities:
Non-interest-bearing demand deposits	10,997,494	11,197,093
Interest-bearing deposits	16,151,710	15,675,296
Total deposits	27,149,204	26,872,389
Federal funds purchased and repurchase agreements	1,367,548	1,147,824
Junior subordinated deferrable interest debentures, net of unamortized issuance costs	136,242	136,184
Subordinated notes, net of unamortized issuance costs	98,708	98,552
Accrued interest payable and other liabilities	172,347	195,068
Total liabilities	28,924,049	28,450,017
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 2018 and 2017	144,486	144,486
Common stock, par value $0.01 per share; 210,000,000 shares authorized;64,236,306 shares issued at both December 31, 2018 and 2017	642	642
Additional paid-in capital	967,304	953,361
Retained earnings	2,440,002	2,187,069
Accumulated other comprehensive income, net of tax	(63,600)	79,512
Treasury stock, at cost; 1,250,464 shares in 2018 and 760,720 in 2017.	(119,917)	(67,207)
Total shareholders’ equity	3,368,917	3,297,863
Total liabilities and shareholders’ equity	$ 32,292,966	$ 31,747,880