Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Assets:
Cash and due from banks	$ 574,654	$ 691,553
Interest-bearing deposits	6,955,779	11,128,902
Federal funds sold	3,000	120,527
Resell agreements	84,650	87,150
Total cash and cash equivalents	7,618,083	12,028,132
Securities held to maturity, net of allowance for credit losses of $310 at September 30, 2023 and $158 at December 31, 2022	3,628,123	2,639,083
Securities available for sale, at estimated fair value	16,117,089	18,243,605
Trading account securities	29,341	28,045
Loans, net of unearned discounts	18,399,259	17,154,969
Less: Allowance for credit losses on loans	(242,235)	(227,621)
Net loans	18,157,024	16,927,348
Premises and equipment, net	1,166,544	1,102,695
Accrued interest receivable and other assets	2,030,818	1,923,468
Total assets	48,747,022	52,892,376
Liabilities:
Non-interest-bearing demand deposits	14,631,456	17,598,234
Interest-bearing deposits	26,360,779	26,355,962
Total deposits	40,992,235	43,954,196
Federal funds purchased	25,950	51,650
Repurchase agreements	3,722,245	4,660,641
Junior subordinated deferrable interest debentures, net of unamortized issuance costs	123,112	123,069
Subordinated notes, net of unamortized issuance costs	99,452	99,335
Accrued interest payable and other liabilities	784,277	866,257
Total liabilities	45,747,271	49,755,148
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 at September 30, 2023 and December 31, 2022	145,452	145,452
Common stock, par value $0.01 per share; 210,000,000 shares authorized; 64,404,582 shares issued at September 30, 2023 and 64,354,695 at December 31, 2022	644	643
Additional paid-in capital	1,043,865	1,029,756
Retained earnings	3,626,799	3,309,671
Accumulated other comprehensive income (loss), net of tax	(1,778,827)	(1,348,294)
Treasury stock, at cost; 387,679 shares at September 30, 2023	(38,182)	0
Total shareholders’ equity	2,999,751	3,137,228
Total liabilities and shareholders’ equity	$ 48,747,022	$ 52,892,376