CONSOLIDATED STATEMENTS OF INCOME - USD ($)	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Fee Revenue and Other Income:
Fee revenues	$ 121,657,000	$ 108,691,000	$ 98,903,000
Other	4,755,000	2,369,000	2,696,000
Total fee revenue and other income	124,982,000	109,691,000	100,441,000
Interest Income:
Interest and fees on loans	39,460,000	35,178,000	37,665,000
Interest and dividends on securities:
Taxable	10,083,000	2,547,000	1,692,000
Exempt from federal income taxes	6,354,000	7,046,000	7,104,000
Interest on federal funds sold and other short-term investments	6,429,000	726,000	1,226,000
Total interest income	62,326,000	45,497,000	47,687,000
Interest Expense:
Interest on deposits	3,482,000	1,171,000	2,360,000
Interest on short-term borrowings	0	0	2,000
Total interest expense	3,482,000	1,171,000	2,362,000
Net interest income	58,844,000	44,326,000	45,325,000
Provision for (release of) credit losses	1,350,000	(130,000)	810,000
Net interest income after provision for (release of) credit losses	57,494,000	44,456,000	44,515,000
Total net revenue	182,476,000	154,147,000	144,956,000
Operating Expense:
Personnel	106,474,000	92,155,000	88,062,000
Occupancy	3,676,000	3,824,000	3,739,000
Equipment	6,668,000	6,745,000	6,568,000
Amortization of intangible assets	680,000	859,000	859,000
Other operating	22,078,000	16,743,000	15,387,000
Total operating expense	139,576,000	120,326,000	114,615,000
Income before income tax expense	42,900,000	33,821,000	30,341,000
Income tax expense	7,996,000	5,217,000	5,165,000
Net income	$ 34,904,000	$ 28,604,000	$ 25,176,000
Basic Earnings Per Share (in dollars per share)	$ 2.58	$ 2.03	$ 1.75
Diluted Earnings Per Share (in dollars per share)	$ 2.53	$ 2.00	$ 1.73
Information Services
Fee Revenue and Other Income:
Fee revenues	$ 120,227,000	$ 107,322,000	$ 97,745,000
Processing fees
Fee Revenue and Other Income:
Fee revenues	76,470,000	74,589,000	74,638,000
Financial fees
Fee Revenue and Other Income:
Fee revenues	$ 43,757,000	$ 32,733,000	$ 23,107,000