Condensed Consolidated Statements of Income (Unaudited) - USD ($) shares in Thousands, $ in Thousands		3 Months Ended		6 Months Ended
		Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Interest income:
Loans, including fees		$ 103,009	$ 90,018	$ 202,609	$ 175,858
Federal funds sold and interest bearing due from banks		2,730	2,157	4,731	4,253
Mortgage loans held for sale		78	74	155	105
Federal Home Loan Bank stock		662	470	1,194	938
Investment securities:
Taxable		8,052	7,125	16,547	14,782
Tax-exempt		469	460	930	913
Total interest income		115,000	100,304	226,166	196,849
Interest expense:
Deposits		37,511	31,623	72,092	63,489
Securities sold under agreements to repurchase		625	771	1,439	1,702
Federal funds purchased and other short-term borrowings		72	139	142	275
Federal Home Loan Bank advances		2,908	5,263	7,649	8,260
Subordinated debentures		411	486	819	1,031
Total interest expense		41,527	38,282	82,141	74,757
Net interest income		73,473	62,022	144,025	122,092
Provision for credit losses		2,175	1,300	3,075	2,725
Net interest income after provision expense		71,298	60,722	140,950	119,367
Non-interest income:
Mortgage banking income	[1]	1,094	1,017	2,011	1,965
Bank owned life insurance	[1]	629	595	1,251	1,183
Gain on sale of premises and equipment	[1]	74	20	74	20
Total non-interest income		24,348	23,655	47,344	46,926
Non-interest expenses:
Compensation		27,279	24,634	53,211	48,855
Employee benefits		5,330	5,086	11,115	10,962
Net occupancy and equipment		4,025	3,819	8,148	7,489
Technology and communication		4,773	4,894	9,601	9,963
Debit and credit card processing		1,908	1,811	3,727	3,557
Marketing and business development		1,951	1,596	3,466	2,671
Postage, printing and supplies		937	913	1,906	1,839
Legal and professional		1,088	1,185	1,995	2,300
FDIC insurance		1,260	1,161	2,483	2,273
Capital and deposit based taxes		738	673	1,438	1,303
Intangible amortization		915	1,051	1,829	2,103
Other		2,496	2,286	4,808	4,755
Total non-interest expenses		52,700	49,109	103,727	98,070
Income before income tax expense		42,946	35,268	84,567	68,223
Income tax expense		8,922	7,670	17,272	14,738
Net income		$ 34,024	$ 27,598	$ 67,295	$ 53,485
Net income per share - basic (in dollars per share)		$ 1.16	$ 0.94	$ 2.29	$ 1.83
Net income per share - diluted (in dollars per share)		$ 1.15	$ 0.94	$ 2.28	$ 1.82
Weighted average outstanding shares
Basic (in shares)		29,364	29,283	29,356	29,267
Diluted (in shares)		29,505	29,383	29,503	29,372
Fiduciary and Trust [Member]
Non-interest income:
Non-interest income		$ 10,483	$ 10,795	$ 21,130	$ 21,566
Deposit Account [Member]
Non-interest income:
Non-interest income		2,069	2,180	4,148	4,316
Credit and Debit Card [Member]
Non-interest income:
Non-interest income		4,837	4,923	9,345	9,605
Treasury Management [Member]
Non-interest income:
Non-interest income		3,005	2,825	5,678	5,450
Investment Advisory, Management and Administrative Service [Member]
Non-interest income:
Non-interest income		980	800	1,990	1,665
Product and Service, Other [Member]
Non-interest income:
Non-interest income		$ 1,177	$ 500	$ 1,717	$ 1,156

[1] Outside of the scope of ASC 606.