Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Assets:
Cash and due from banks	$ 529,454	$ 581,857
Interest-bearing deposits	9,758,624	2,849,950
Federal funds sold and resell agreements	775	356,374
Total cash and cash equivalents	10,288,853	3,788,181
Securities held to maturity, net of allowance for credit losses of $160 in 2020	1,945,673	2,030,005
Securities available for sale, at estimated fair value	10,437,565	11,269,591
Trading account securities	24,456	24,298
Loans, net of unearned discounts	17,481,309	14,750,332
Less: Allowance for credit losses on loans	(263,177)	(132,167)
Net loans	17,218,132	14,618,165
Premises and equipment, net	1,045,578	1,011,947
Goodwill	654,952	654,952
Other intangible assets, net	1,563	2,481
Cash surrender value of life insurance policies	189,984	187,156
Accrued interest receivable and other assets	584,561	440,652
Total assets	42,391,317	34,027,428
Liabilities:
Non-interest-bearing demand deposits	15,117,051	10,873,629
Interest-bearing deposits	19,898,710	16,765,935
Total deposits	35,015,761	27,639,564
Federal funds purchased and repurchase agreements	2,116,997	1,695,342
Junior subordinated deferrable interest debentures, net of unamortized issuance costs	136,357	136,299
Subordinated notes, net of unamortized issuance costs	99,021	98,865
Accrued interest payable and other liabilities	730,165	545,690
Total liabilities	38,098,301	30,115,760
Shareholders’ Equity:
Preferred stock, par value $0.01 per share; 10,000,000 shares authorized; 150,000 Series B shares ($1,000 liquidation preference) issued in 2020 and 6,000,000 Series A shares ($25 liquidation preference) issued in 2019	145,452	144,486
Common stock, par value $0.01 per share; 210,000,000 shares authorized; 64,236,306 shares issued in both 2020 and 2019	642	642
Additional paid-in capital	997,168	983,250
Retained earnings	2,750,723	2,667,534
Accumulated other comprehensive income, net of tax	512,970	267,370
Treasury stock, at cost; 1,225,066 shares in 2020 and 1,567,302 in 2019.	(113,939)	(151,614)
Total shareholders’ equity	4,293,016	3,911,668
Total liabilities and shareholders’ equity	$ 42,391,317	$ 34,027,428