Consolidated Statements of Income - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Interest and dividend income:
Loans/leases, including fees	$ 257,837	$ 173,940	$ 173,967
Securities:
Taxable	12,078	8,923	7,787
Nontaxable	19,089	16,167	14,900
Interest-bearing deposits at financial institutions	1,089	173	669
Restricted investment securities	2,068	950	1,031
Federal funds sold	410	2	19
Total interest and dividend income	292,571	200,155	198,373
Interest expense:
Deposits	42,362	13,300	23,269
Short-term borrowings	299	5	84
Federal Home Loan Bank advances	6,954	70	1,087
Other borrowings	53
Subordinated notes	9,200	6,272	4,697
Junior subordinated debentures	2,583	2,275	2,286
Total interest expense	61,451	21,922	31,423
Net interest income	231,120	178,233	166,950
Provision for credit losses	8,284	3,486	55,704
Net interest income after provision for credit losses	222,836	174,747	111,246
Noninterest income:
Revenue	373,300	300,577	312,171
Gains on sales of residential real estate loans, net	2,411	4,397	4,680
Gains on sales of government guaranteed portions of loans, net	119	227	224
Swap fee income/capital markets revenue	41,309	60,992	74,821
Securities gains (losses), net		(88)	2,484
Earnings on bank-owned life insurance	2,056	1,838	1,904
Loan related fee income	2,428	2,268	2,200
Fair value gain on derivatives	1,975	170
Other	1,372	3,870	2,614
Total noninterest income	80,729	100,422	113,798
Noninterest expense:
Salaries and employee benefits	115,368	100,907	96,268
Occupancy and equipment expense	21,975	15,918	16,504
Professional and data processing fees	16,282	14,579	14,644
Acquisition costs	3,715	624
Post-acquisition compensation, transition and integration costs	5,526		214
Disposition costs		13	690
FDIC insurance, other insurance and regulatory fees	5,806	4,475	4,164
Loan/lease expense	1,829	1,671	1,435
Net cost of (income from) and gains/losses on operations of other real estate	(40)	(1,420)	(307)
Advertising and marketing	4,958	4,254	3,260
Communication and data connectivity	2,213	1,798	1,642
Supplies	1,109	1,053	1,097
Bank service charges	2,282	2,173	2,016
Losses on liability extinguishment			3,907
Correspondent banking expense	840	799	838
Intangibles amortization	2,854	2,032	2,149
Goodwill impairment			500
Payment card processing	1,964	1,412	556
Trust expense	775	758	740
Loss on sale of subsidiary			158
Other	2,560	2,656	1,280
Total noninterest expense	190,016	153,702	151,755
Net income before income taxes	113,549	121,467	73,289
Federal and state income tax expense	14,483	22,562	12,707
Net income	$ 99,066	$ 98,905	$ 60,582
Basic earnings per common share	$ 5.94	$ 6.30	$ 3.84
Diluted earnings per common share	$ 5.87	$ 6.20	$ 3.80
Weighted average common shares outstanding	16,681,844	15,708,744	15,771,650
Weighted average common and common equivalent shares outstanding	16,890,007	15,944,708	15,952,637
Cash dividends declared per common share	$ 0.24	$ 0.24	$ 0.24
Trust fees
Noninterest income:
Revenue	$ 10,641	$ 11,206	$ 9,207
Investment advisory and management fees
Noninterest income:
Revenue	3,858	4,080	5,318
Deposit service fees
Noninterest income:
Revenue	8,134	6,132	6,041
Debit card fees
Noninterest income:
Revenue	5,459	4,216	3,402
Correspondent banking fees
Noninterest income:
Revenue	$ 967	$ 1,114	$ 903