Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2025	Dec. 31, 2024
Cash and cash equivalents:
Cash and due from banks	$ 688,153	$ 525,506
Federal funds sold and interest-earning deposits with banks	2,348,641	593,777
Deposits in other financial institutions (restricted cash)	262,896	272,784
Total cash and cash equivalents	3,299,690	1,392,067
Trading securities, at fair value	107,401	102,932
Investment securities:
Securities held to maturity (fair value of $1,820,473 and $1,834,527)	2,195,980	2,254,670
Securities available for sale, at fair value	5,853,369	4,320,593
Other investments	345,695	223,613
Total investment securities	8,395,044	6,798,876
Loans held for sale	357,918	279,426
Loans:
Total loans	46,766,732	33,902,927
Less allowance for credit losses	(623,690)	(465,280)
Loans, net	46,143,042	33,437,647
Premises and equipment, net	946,334	502,559
Bank owned life insurance ("BOLI")	1,273,472	1,013,209
Deferred tax assets	153,930	179,884
Derivatives assets	177,262	161,490
Mortgage servicing rights	87,742	89,795
Core deposit and other intangibles	455,443	66,458
Goodwill	3,088,059	1,923,106
Other assets	650,117	433,755
Total assets	65,135,454	46,381,204
Deposits:
Noninterest-bearing	13,757,255	10,192,117
Interest-bearing	39,580,360	27,868,749
Total deposits	53,337,615	38,060,866
Federal funds purchased	398,680	260,191
Securities sold under agreements to repurchase	280,657	254,721
Corporate and subordinated debentures	752,798	391,534
Reserve for unfunded commitments	62,253	45,327
Derivative liabilities	698,933	879,855
Other liabilities	980,157	598,295
Total liabilities	56,511,093	40,490,789
Shareholders' equity:
Common stock - $2.50 par value; authorized 160,000,000 shares; 101,479,065 and 76,322,206 shares issued and outstanding, respectively	253,698	190,805
Surplus	6,667,277	4,259,722
Retained earnings	2,080,053	2,046,809
Accumulated other comprehensive loss	(376,667)	(606,921)
Total shareholders' equity	8,624,361	5,890,415
Total liabilities and shareholders' equity	65,135,454	46,381,204
Acquired - non-purchased credit deteriorated loans
Loans:
Total loans	13,084,853	3,635,782
Acquired - purchased credit deteriorated loans
Loans:
Total loans	3,634,490	862,155
Non-acquired loans
Loans:
Total loans	$ 30,047,389	$ 29,404,990