Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Assets:
Cash and due from banks	$ 612,648	$ 617,569
Interest-bearing deposits	6,445,461	7,985,057
Federal funds sold	2,025	0
Resell agreements	84,650	84,650
Total cash and cash equivalents	7,144,784	8,687,276
Securities held to maturity, net of allowance for credit losses of $310 at both June 30, 2024 and December 31, 2023	3,586,116	3,619,428
Securities available for sale, at estimated fair value	15,197,638	16,578,371
Trading account securities	32,186	31,717
Loans, net of unearned discounts	19,995,756	18,824,251
Less: Allowance for credit losses on loans	(256,307)	(245,996)
Net loans	19,739,449	18,578,255
Premises and equipment, net	1,221,043	1,190,033
Accrued interest receivable and other assets	1,921,477	2,159,958
Total assets	48,842,693	50,845,038
Liabilities:
Non-interest-bearing demand deposits	13,484,977	14,926,094
Interest-bearing deposits	26,833,163	26,994,474
Total deposits	40,318,140	41,920,568
Federal funds purchased	35,925	14,200
Repurchase agreements	3,762,942	4,127,188
Junior subordinated deferrable interest debentures, net of unamortized issuance costs	123,155	123,127
Subordinated notes, net of unamortized issuance costs	99,569	99,491
Accrued interest payable and other liabilities	837,157	844,017
Total liabilities	45,176,888	47,128,591
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 June 30, 2024 and December 31, 2023	145,452	145,452
Common stock, par value $0.01 per share; 210,000,000 shares authorized; 64,404,582 shares issued at both June 30, 2024 and December 31, 2023	644	644
Additional paid-in capital	1,064,070	1,055,809
Retained earnings	3,810,008	3,657,688
Accumulated other comprehensive income (loss), net of tax	(1,309,344)	(1,119,219)
Treasury stock, at cost; 415,954 shares at June 30, 2024 and 219,295 at December 31, 2023	(45,025)	(23,927)
Total shareholders’ equity	3,665,805	3,716,447
Total liabilities and shareholders’ equity	$ 48,842,693	$ 50,845,038