Industry Segment Information (Details) $ in Thousands		3 Months Ended
		Mar. 31, 2022 USD ($) segment	Mar. 31, 2021 USD ($)	Dec. 31, 2021 USD ($)
Segment Reporting [Abstract]
Number of reportable segments | segment		2
Interest Income (Expense), after Provision for Loan Loss [Abstract]
Fee income		$ 30,430	$ 26,175
Interest income	[1]	12,571	11,138
Interest expense		223	331
Intersegment income (expense)		11,903	10,345
Tax-equivalized pre-tax income	[1]	10,721	9,057
Goodwill		14,262	14,262	$ 14,262
Other intangible assets, net		2,429	3,208
Total assets		2,422,043	2,216,573	$ 2,554,901
Average funding sources		1,975,748	1,687,029
Tax equivalent adjustment		446	462
Corporate, Eliminations and Other
Interest Income (Expense), after Provision for Loan Loss [Abstract]
Fee income		568	560
Interest income	[1]	(237)	(122)
Interest expense		0	0
Intersegment income (expense)		(1,133)	(623)
Tax-equivalized pre-tax income	[1]	56	283
Goodwill		0	0
Other intangible assets, net		0	0
Total assets		(14,652)	(70,292)
Average funding sources		0	0
Information services payment and processing revenue
Interest Income (Expense), after Provision for Loan Loss [Abstract]
Fee income		29,234	25,298
Interest income	[1]	6,326	5,509
Interest expense		0	0
Tax-equivalized pre-tax income	[1]	7,815	5,786
Goodwill		12,433	12,433
Other intangible assets, net		307	634
Total assets		1,090,737	1,023,196
Average funding sources		1,008,928	837,852
Information services payment and processing revenue | Corporate, Eliminations and Other
Interest Income (Expense), after Provision for Loan Loss [Abstract]
Intersegment income (expense)		0	0
Banking Services
Interest Income (Expense), after Provision for Loan Loss [Abstract]
Fee income		628	317
Interest income	[1]	6,482	5,751
Interest expense		223	331
Tax-equivalized pre-tax income	[1]	2,850	2,988
Goodwill		1,829	1,829
Other intangible assets, net		2,122	2,574
Total assets		1,345,958	1,263,669
Average funding sources		966,820	849,177
Banking Services | Corporate, Eliminations and Other
Interest Income (Expense), after Provision for Loan Loss [Abstract]
Intersegment income (expense)		$ (1,133)	$ (623)

[1] * Presented on a tax-equivalent basis assuming a tax rate of 21% for both 2022 and 2021. The tax-equivalent adjustment was approximately $446,000 and $462,000 for the First Quarter of 2022 and 2021, respectively