Consolidated Statements of Income - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2026	Sep. 30, 2025	Sep. 30, 2026	Sep. 30, 2025
Interest income:
Loans, including fees	$ 367,671	$ 355,602	$ 1,050,172	$ 1,034,899
Securities:
Taxable	139,961	125,977	383,005	372,360
Tax-exempt	69,267	62,466	201,191	175,114
Interest-bearing deposits	54,866	75,914	169,962	224,149
Federal funds sold	13	33	93	170
Resell agreements	0	113	85	488
Total interest income	631,778	620,105	1,804,508	1,807,180
Interest expense:
Deposits	127,334	137,868	350,135	405,329
Federal funds purchased	550	324	994	806
Repurchase agreements	33,104	37,191	90,549	104,287
Junior subordinated deferrable interest debentures	1,759	1,940	5,221	5,824
Subordinated notes	1,164	1,164	3,492	3,492
Total interest expense	163,911	178,487	450,391	519,738
Net interest income	467,867	441,618	1,354,117	1,287,442
Credit loss expense	12,090	6,779	28,602	32,978
Net interest income after credit loss expense	455,777	434,839	1,325,515	1,254,464
Non-interest income:
Trust and investment management fees	49,472	44,846	145,072	131,446
Service charges on deposit accounts	36,304	31,440	102,638	89,212
Insurance commissions and fees	15,838	15,424	52,079	50,322
Interchange and card transaction fees	6,843	5,547	19,921	16,568
Other charges, commissions, and fees	13,911	14,730	40,966	42,283
Net gain (loss) on securities transactions	(7,512)	0	(7,512)	(14)
Other	21,106	13,660	47,394	37,114
Total non-interest income	135,962	125,647	400,558	366,931
Non-interest expense:
Salaries and wages	182,183	169,155	521,328	492,161
Employee benefits	33,649	34,465	113,461	109,448
Net occupancy	35,848	34,682	105,824	102,599
Technology, furniture, and equipment	46,145	43,479	130,383	124,169
Deposit insurance	6,941	6,328	20,449	20,102
Other	72,434	64,369	213,141	199,193
Total non-interest expense	377,200	352,478	1,104,586	1,047,672
Income before income taxes	214,539	208,008	621,487	573,723
Income taxes	34,330	33,628	98,232	91,418
Net income	180,209	174,380	523,255	482,305
Preferred stock dividends	1,668	1,668	5,006	5,006
Net income available to common shareholders	$ 178,541	$ 172,712	$ 518,249	$ 477,299
Earnings per common share:
Basic	$ 2.84	$ 2.67	$ 8.19	$ 7.36
Diluted	$ 2.84	$ 2.67	$ 8.19	$ 7.36