Consolidated Statements of Income - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
INTEREST INCOME
Loans, including fees	$ 1,083,093	$ 989,196	$ 694,192
Interest bearing balances due from banks and federal funds sold	11,808	13,490	5,500
Investment securities	216,433	206,918	158,203
Mortgage loans held for sale	731	557	720
Other loans held for sale	0	0	3,120
TOTAL INTEREST INCOME	1,312,065	1,210,161	861,735
INTEREST EXPENSE
Deposits	600,240	472,919	99,049
Federal funds purchased and securities sold under agreements to repurchase	602	1,150	941
Other borrowings	55,127	60,517	24,934
Subordinated notes and debentures	27,631	25,449	19,495
TOTAL INTEREST EXPENSE	683,600	560,035	144,419
NET INTEREST INCOME	628,465	650,126	717,316
Provision for credit losses	46,785	42,028	14,074
NET INTEREST INCOME AFTER PROVISION FOR CREDIT LOSSES	581,680	608,098	703,242
NONINTEREST INCOME
Bank owned life insurance income	15,227	11,717	11,146
Loss on sale of securities, net	(28,393)	(20,609)	(278)
Gain on insurance settlement	0	0	4,074
Other income	27,493	35,398	27,361
TOTAL NONINTEREST INCOME	147,171	155,566	170,066
NONINTEREST EXPENSE
Salaries and employee benefits	284,124	286,117	286,982
Occupancy expense, net	48,214	46,741	44,321
Furniture and equipment expense	22,047	20,741	20,665
Other real estate and foreclosure expense	700	892	1,003
Deposit insurance	23,938	29,986	11,608
Merger related costs	0	1,420	22,476
Other operating expenses	178,520	177,164	179,693
TOTAL NONINTEREST EXPENSE	557,543	563,061	566,748
INCOME BEFORE INCOME TAXES	171,308	200,603	306,560
Provision for income taxes	18,615	25,546	50,148
NET INCOME	$ 152,693	$ 175,057	$ 256,412
BASIC EARNINGS PER SHARE (in dollars per share)	$ 1.22	$ 1.39	$ 2.07
DILUTED EARNINGS PER SHARE (in dollars per share)	$ 1.21	$ 1.38	$ 2.06
Service charges on deposit accounts
NONINTEREST INCOME
Non-interest income	$ 49,898	$ 50,530	$ 46,527
Debit and credit card fees
NONINTEREST INCOME
Non-interest income	32,875	31,472	31,203
Wealth management fees
NONINTEREST INCOME
Non-interest income	32,806	30,203	31,895
Mortgage lending income
NONINTEREST INCOME
Non-interest income	8,077	7,733	10,522
Other service charges and fees
NONINTEREST INCOME
Non-interest income	$ 9,188	$ 9,122	$ 7,616