Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
INTEREST INCOME
Loans, including fees	$ 121,891	$ 87,078	$ 340,899	$ 238,758
Debt securities:
Taxable	9,260	6,793	27,659	15,716
Tax-exempt	22	22	52	71
Federal funds sold	63	24	176	30
Interest-bearing deposits with banks	28,989	20,095	87,703	29,452
Total interest income	160,225	114,012	456,489	284,027
INTEREST EXPENSE
Deposits	54,838	11,999	133,747	17,566
Short-term borrowings	49	36	261	49
Subordinated debt	1,030	1,030	3,091	3,091
Total interest expense	55,917	13,065	137,099	20,706
Net interest income	104,308	100,947	319,390	263,321
Provision for credit losses	2,312	2,863	7,458	6,300
Net interest income after provision for credit losses	101,996	98,084	311,932	257,021
NONINTEREST INCOME
Securities transactions (includes accumulated other comprehensive loss reclassifications of $0 and $1,536, respectively)	(361)	966	(464)	(2,949)
Income from sales of loans	734	969	2,095	3,891
Insurance commissions	8,429	7,498	23,395	20,227
Cash management	8,177	5,624	22,838	13,202
Gain on sale of other assets	464	53	1,258	216
Other	5,113	7,935	16,925	24,258
Total noninterest income	44,449	49,331	140,251	135,579
NONINTEREST EXPENSE
Salaries and employee benefits	50,200	47,741	149,255	136,957
Occupancy, net	5,487	4,930	15,588	14,067
Depreciation	4,685	4,612	14,097	14,034
Amortization of intangible assets	885	880	2,645	2,568
Data processing services	1,820	1,876	6,144	5,656
Net expense from other real estate owned	2,720	2,392	8,068	3,676
Marketing and business promotion	2,034	1,945	6,461	5,609
Deposit insurance	1,419	1,202	4,495	3,526
Other	11,965	13,500	35,889	39,214
Total noninterest expense	81,215	79,078	242,642	225,307
Income before taxes	65,230	68,337	209,541	167,293
Income tax expense	14,242	12,985	46,010	31,319
Net income	$ 50,988	$ 55,352	$ 163,531	$ 135,974
NET INCOME PER COMMON SHARE
Basic	$ 1.55	$ 1.69	$ 4.97	$ 4.15
Diluted	$ 1.52	$ 1.65	$ 4.88	$ 4.07
OTHER COMPREHENSIVE (LOSS)/GAIN
Unrealized loss on debt securities, net of tax benefit of $1,919, $11,033, $1,765 and $26,492, respectively	$ (6,172)	$ (35,752)	$ (5,614)	$ (85,557)
Reclassification adjustment for loss included in net income, net of tax expense of $0, $0, $0 and $369, respectively				1,167
Other comprehensive loss, net of tax benefit of $1,919, $11,033, $1,765 and $26,123, respectively	(6,172)	(35,752)	(5,614)	(84,390)
Comprehensive income	44,816	19,600	157,917	51,584
Trust Revenue [Member]
NONINTEREST INCOME
Revenue	4,866	4,125	13,678	11,580
Service Charges on Deposits [Member]
NONINTEREST INCOME
Revenue	$ 17,027	$ 22,161	$ 60,526	$ 65,154