Industry Segment Information (Details) $ in Thousands		3 Months Ended		6 Months Ended
		Jun. 30, 2022 USD ($)	Jun. 30, 2021 USD ($)	Jun. 30, 2022 USD ($) segment	Jun. 30, 2021 USD ($)	Dec. 31, 2021 USD ($)
Segment Reporting [Abstract]
Number of reportable segments | segment				2
Interest Income (Expense), after Provision for Loan Loss [Abstract]
Fee income		$ 30,651	$ 26,987	$ 61,081	$ 53,162
Interest income	[1]	14,418	11,594	26,989	22,732
Interest expense		339	297	562	628
Intersegment income (expense)		13,641	10,811	25,544	21,156
Tax-equivalized pre-tax income	[1]	11,019	9,093	21,740	18,150
Goodwill		17,309	14,262	17,309	14,262	$ 14,262
Other intangible assets, net		4,516	2,993	4,516	2,993
Total assets		2,443,988	2,272,333	2,443,988	2,272,333	$ 2,554,901
Average funding sources		2,072,097	1,766,939	2,024,189	1,727,205
Tax equivalent adjustment		436	487	882	949
Corporate, Eliminations and Other
Interest Income (Expense), after Provision for Loan Loss [Abstract]
Fee income		566	277	1,134	837
Interest income	[1]	464	(853)	227	(975)
Interest expense		0	0	0	0
Intersegment income (expense)		(1,292)	(688)	(2,425)	(1,311)
Tax-equivalized pre-tax income	[1]	738	(744)	794	(461)
Goodwill		0	0	0	0
Other intangible assets, net		0	0	0	0
Total assets		(10,497)	(6,002)	(10,497)	(6,002)
Average funding sources		0	0	0	0
Information services payment and processing revenue
Interest Income (Expense), after Provision for Loan Loss [Abstract]
Fee income		29,677	26,391	58,911	51,689
Interest income	[1]	6,691	5,884	13,017	11,393
Interest expense		0	0	0	0
Tax-equivalized pre-tax income	[1]	6,839	6,182	14,654	11,968
Goodwill		17,173	14,126	17,173	14,126
Other intangible assets, net		4,516	2,993	4,516	2,993
Total assets		1,067,732	1,062,536	1,067,732	1,062,536
Average funding sources		1,097,416	905,983	1,053,417	872,106
Information services payment and processing revenue | Corporate, Eliminations and Other
Interest Income (Expense), after Provision for Loan Loss [Abstract]
Intersegment income (expense)		0	0	0	0
Banking Services
Interest Income (Expense), after Provision for Loan Loss [Abstract]
Fee income		408	319	1,036	636
Interest income	[1]	7,263	6,563	13,745	12,314
Interest expense		339	297	562	628
Tax-equivalized pre-tax income	[1]	3,442	3,655	6,292	6,643
Goodwill		136	136	136	136
Other intangible assets, net		0	0	0	0
Total assets		1,386,753	1,215,799	1,386,753	1,215,799
Average funding sources		974,681	860,956	970,772	855,099
Banking Services | Corporate, Eliminations and Other
Interest Income (Expense), after Provision for Loan Loss [Abstract]
Intersegment income (expense)		$ (1,292)	$ (688)	$ (2,425)	$ (1,311)

[1] * Presented on a tax-equivalent basis assuming a tax rate of 21% for both 2022 and 2021. The tax-equivalent adjustment was approximately $436,000 and $487,000 for the Second Quarter of 2022 and 2021, respectively