Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
INTEREST INCOME
Loans, including fees	$ 87,078	$ 80,249	$ 238,758	$ 240,358
Debt securities:
Taxable	6,793	1,484	15,716	4,779
Tax-exempt	22	35	71	175
Federal funds sold	24		30	0
Interest-bearing deposits with banks	20,095	1,441	29,452	2,861
Total interest income	114,012	83,209	284,027	248,173
INTEREST EXPENSE
Deposits	11,999	1,988	17,566	6,313
Short-term borrowings	36	0	49	1
Subordinated debt	1,030	1,031	3,091	2,100
Total interest expense	13,065	3,019	20,706	8,414
Net interest income	100,947	80,190	263,321	239,759
Provision for (benefit from) credit losses	2,863	1,483	6,300	(8,466)
Net interest income after provision for (benefit from) credit losses	98,084	78,707	257,021	248,225
NONINTEREST INCOME
Securities transactions (includes accumulated other comprehensive loss reclassifications of $0, $0, $1,536 and $0, respectively)	966	150	(2,949)	417
Income from sales of loans	969	1,594	3,891	5,737
Insurance commissions	7,498	6,666	20,227	17,670
Cash management	5,624	3,127	13,202	9,198
Gain on sale of other assets	53	34	216	2,746
Other	7,935	3,299	24,258	17,665
Total noninterest income	49,331	39,786	135,579	124,339
NONINTEREST EXPENSE
Salaries and employee benefits	47,741	42,267	136,957	123,836
Occupancy, net	4,930	5,086	14,067	13,962
Depreciation	4,612	4,207	14,034	12,217
Amortization of intangible assets	880	755	2,568	2,357
Data processing services	1,876	1,734	5,656	5,072
Net (income) expense from other real estate owned	2,392	1,810	3,676	6,677
Marketing and business promotion	1,945	1,796	5,609	5,323
Deposit insurance	1,202	846	3,526	2,488
Other	13,500	11,713	39,214	37,268
Total noninterest expense	79,078	70,214	225,307	209,200
Income before taxes	68,337	48,279	167,293	163,364
Income tax expense	12,985	9,529	31,319	33,902
Net income	$ 55,352	$ 38,750	$ 135,974	$ 129,462
NET INCOME PER COMMON SHARE
Basic	$ 1.69	$ 1.18	$ 4.15	$ 3.95
Diluted	$ 1.65	$ 1.16	$ 4.07	$ 3.88
OTHER COMPREHENSIVE (LOSS) GAIN
Unrealized losses on debt securities, net of tax of $11,033, $172, $26,492 and $980, respectively	$ (35,752)	$ (552)	$ (85,557)	$ (2,565)
Reclassification adjustment for losses included in net income, net of tax of $0, $0, $(369) and $0, respectively			1,167
Other comprehensive loss, net of tax of $11,033, $172, $26,123 and $980, respectively	(35,752)	(552)	(84,390)	(2,565)
Comprehensive income	19,600	38,198	51,584	126,897
Trust Revenue [Member]
NONINTEREST INCOME
Revenue	4,125	3,210	11,580	9,576
Service Charges on Deposits [Member]
NONINTEREST INCOME
Revenue	$ 22,161	$ 21,706	$ 65,154	$ 61,330