Consolidated Statements of Earnings (Unaudited) - USD ($)	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
INTEREST INCOME:
Interest and fees on loans	$ 117,091,000	$ 89,009,000
Interest on investment securities:
Taxable	19,952,000	20,782,000
Exempt from federal income tax	7,737,000	10,067,000
Interest on federal funds sold and interest-bearing demand deposits in banks	4,715,000	1,650,000
Total interest income	149,495,000	121,508,000
INTEREST EXPENSE:
Interest on deposits	45,251,000	21,812,000
Interest on repurchase agreements and borrowings	4,002,000	3,410,000
Total interest expense	49,253,000	25,222,000
Net interest income	100,242,000	96,286,000
Provision for credit losses	808,000	2,781,000
Net interest income after provision for credit losses	99,434,000	93,505,000
NONINTEREST INCOME:
Trust fees	11,379,000	9,845,000
Service charges on deposit accounts	6,246,000	6,036,000
Debit card fees	4,891,000	4,936,000
Credit card fees	631,000	609,000
Gain on sale and fees on mortgage loans	3,128,000	2,974,000
Net gain on sale of available-for-sale securities	0	12,000
Net gain on sale of foreclosed assets	0	34,000
Net gain on sale of other assets	0	930,000
Interest on loan recoveries	555,000	346,000
Other	2,553,000	2,285,000
Total noninterest income	29,383,000	28,007,000
NONINTEREST EXPENSE:
Salaries, commissions and employee benefits	36,683,000	31,461,000
Net occupancy expense	3,470,000	3,430,000
Equipment expense	2,237,000	2,127,000
FDIC insurance premiums	1,965,000	1,654,000
Debit card expense	3,058,000	3,199,000
Professional and service fees	2,396,000	2,365,000
Printing, stationery and supplies	447,000	710,000
Operational and other losses	1,154,000	931,000
Software amortization and expense	3,005,000	2,311,000
Amortization of intangible assets	157,000	228,000
Other	9,368,000	8,840,000
Total noninterest expense	63,940,000	57,256,000
EARNINGS BEFORE INCOME TAXES	64,877,000	64,256,000
INCOME TAX EXPENSE	11,480,000	11,688,000
NET EARNINGS	$ 53,397,000	$ 52,568,000
NET EARNINGS PER SHARE, BASIC	$ 0.37	$ 0.37
NET EARNINGS PER SHARE, DILUTED	0.37	0.37
DIVIDENDS PER SHARE	$ 0.18	$ 0.17