CONSOLIDATED STATEMENTS OF INCOME - USD ($)	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Fee Revenue and Other Income:
Fee revenues	$ 126,614,000	$ 121,657,000	$ 108,691,000
Other	4,916,000	4,755,000	2,369,000
Total fee revenue and other income	130,467,000	124,982,000	109,691,000
Interest Income:
Interest and fees on loans	50,825,000	39,460,000	35,178,000
Interest and dividends on securities:
Taxable	14,118,000	10,083,000	2,547,000
Exempt from federal income taxes	4,097,000	6,354,000	7,046,000
Interest on federal funds sold and other short-term investments	13,720,000	6,429,000	726,000
Total interest income	82,760,000	62,326,000	45,497,000
Interest Expense:
Interest on deposits	16,150,000	3,482,000	1,171,000
Interest on short-term borrowings	116,000	0	0
Total interest expense	16,266,000	3,482,000	1,171,000
Net interest income	66,494,000	58,844,000	44,326,000
(Release of) provision for credit losses	(550,000)	1,350,000	(130,000)
Net interest income after (release of) provision for credit losses	67,044,000	57,494,000	44,456,000
Total net revenue	197,511,000	182,476,000	154,147,000
Operating Expense:
Personnel	118,694,000	106,474,000	92,155,000
Occupancy	3,560,000	3,676,000	3,824,000
Equipment	7,138,000	6,668,000	6,745,000
Amortization of intangible assets	780,000	680,000	859,000
Other operating	29,983,000	22,078,000	16,743,000
Total operating expense	160,155,000	139,576,000	120,326,000
Income before income tax expense	37,356,000	42,900,000	33,821,000
Income tax expense	7,297,000	7,996,000	5,217,000
Net income	$ 30,059,000	$ 34,904,000	$ 28,604,000
Basic Earnings Per Share (in dollars per share)	$ 2.22	$ 2.58	$ 2.03
Diluted Earnings Per Share (in dollars per share)	$ 2.18	$ 2.53	$ 2.00
Information Services
Fee Revenue and Other Income:
Fee revenues	$ 125,551,000	$ 120,227,000	$ 107,322,000
Processing fees
Fee Revenue and Other Income:
Fee revenues	79,566,000	76,470,000	74,589,000
Financial fees
Fee Revenue and Other Income:
Fee revenues	$ 45,985,000	$ 43,757,000	$ 32,733,000