Consolidated Statements of Income - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Loans/leases, including fees:
Taxable	$ 284,778	$ 215,900	$ 152,129
Nontaxable	83,889	41,937	21,811
Securities:
Taxable	14,927	12,078	8,923
Nontaxable	22,335	19,089	16,167
Interest-bearing deposits at financial institutions	4,137	1,089	173
Restricted investment securities	2,346	2,068	950
Federal funds sold	998	410	2
Total interest and dividend income	413,410	292,571	200,155
Interest expense:
Deposits	159,419	42,362	13,300
Short-term borrowings	179	299	5
Federal Home Loan Bank advances	16,740	6,954	70
Other borrowings		53
Subordinated notes	13,230	9,200	6,272
Junior subordinated debentures	2,836	2,583	2,275
Total interest expense	192,404	61,451	21,922
Net interest income	221,006	231,120	178,233
Provision for credit losses	16,539	8,284	3,486
Net interest income after provision for credit losses	204,467	222,836	174,747
Noninterest income:
Revenue	546,094	373,300	300,577
Gains on sales of residential real estate loans, net	1,611	2,411	4,397
Gains on sales of government guaranteed portions of loans, net	54	119	227
Capital markets revenue	92,065	41,309	60,992
Securities losses, net	(451)		(88)
Earnings on bank-owned life insurance	4,184	2,056	1,838
Loan related fee income	3,066	2,428	2,268
Fair value gain (loss) on derivatives	(1,262)	1,975	170
Other	1,817	1,372	3,870
Total noninterest income	132,684	80,729	100,422
Noninterest expense:
Salaries and employee benefits	136,619	115,368	100,907
Occupancy and equipment expense	25,031	21,975	15,918
Professional and data processing fees	16,271	16,282	14,579
Acquisition costs		3,715	624
Post-acquisition compensation, transition and integration costs	207	5,526
Disposition costs			13
FDIC insurance, other insurance and regulatory fees	7,137	5,806	4,475
Loan/lease expense	2,868	1,829	1,671
Net income from and gains/losses on operations of other real estate	(26)	(40)	(1,420)
Advertising and marketing	6,042	4,958	4,254
Communication and data connectivity	2,063	2,213	1,798
Supplies	1,254	1,109	1,053
Bank service charges	2,592	2,282	2,173
Correspondent banking expense	963	840	799
Intangibles amortization	2,938	2,854	2,032
Payment card processing	2,656	1,964	1,412
Trust expense	1,396	775	758
Other	2,520	2,560	2,656
Total noninterest expense	210,531	190,016	153,702
Net income before income taxes	126,620	113,549	121,467
Federal and state income tax expense	13,062	14,483	22,562
Net income	$ 113,558	$ 99,066	$ 98,905
Basic earnings per common share	$ 6.79	$ 5.94	$ 6.30
Diluted earnings per common share	$ 6.73	$ 5.87	$ 6.20
Weighted average common shares outstanding	16,732,406	16,681,844	15,708,744
Weighted average common and common equivalent shares outstanding	16,866,391	16,890,007	15,944,708
Cash dividends declared per common share	$ 0.24	$ 0.24	$ 0.24
Trust fees
Noninterest income:
Revenue	$ 11,697	$ 10,641	$ 11,206
Investment advisory and management fees
Noninterest income:
Revenue	3,864	3,858	4,080
Deposit service fees
Noninterest income:
Revenue	8,177	8,134	6,132
Debit card fees
Noninterest income:
Revenue	6,200	5,459	4,216
Correspondent banking fees
Noninterest income:
Revenue	$ 1,662	$ 967	$ 1,114