Consolidated Statements of Earnings - USD ($)	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
INTEREST INCOME:
Interest and fees on loans	$ 89,009,000	$ 64,499,000
Interest on investment securities:
Taxable	20,782,000	17,823,000
Exempt from federal income tax	10,067,000	14,593,000
Interest on federal funds sold and interest-bearing demand deposits in banks	1,650,000	94,000
Total interest income	121,508,000	97,009,000
INTEREST EXPENSE:
Interest on deposits	21,812,000	1,370,000
Interest on borrowings	3,410,000	200,000
Total interest expense	25,222,000	1,570,000
Net interest income	96,286,000	95,439,000
PROVISION FOR CREDIT LOSSES	2,781,000	4,782,000
Net interest income after provision for credit losses	93,505,000	90,657,000
NONINTEREST INCOME:
Trust fees	9,845,000	9,817,000
Service charges on deposit accounts	6,036,000	5,706,000
Debit card fees	4,936,000	8,926,000
Credit card fees	609,000	602,000
Gain on sale and fees on mortgage loans	2,974,000	6,333,000
Net gain on sale of available-for-sale securities	12,000	31,000
Net gain on sale of foreclosed assets	34,000	1,084,000
Net gain (loss) on sale of other assets	930,000	(10,000)
Interest on loan recoveries	346,000	283,000
Other	2,285,000	2,109,000
Total noninterest income	28,007,000	34,881,000
NONINTEREST EXPENSE:
Salaries, commissions and employee benefits	31,461,000	34,138,000
Net occupancy expense	3,430,000	3,225,000
Equipment expense	2,127,000	2,257,000
FDIC insurance premiums	1,654,000	869,000
Debit card expense	3,199,000	2,964,000
Professional and service fees	2,365,000	2,225,000
Printing, stationery and supplies	710,000	540,000
Operational and other losses	931,000	596,000
Software amortization and expense	2,311,000	2,457,000
Amortization of intangible assets	228,000	320,000
Other	8,840,000	9,634,000
Total noninterest expense	57,256,000	59,225,000
EARNINGS BEFORE INCOME TAXES	64,256,000	66,313,000
INCOME TAX EXPENSE	11,688,000	10,341,000
NET EARNINGS	$ 52,568,000	$ 55,972,000
NET EARNINGS PER SHARE, BASIC	$ 0.37	$ 0.39
NET EARNINGS PER SHARE, DILUTED	0.37	0.39
DIVIDENDS PER SHARE	$ 0.17	$ 0.15