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Industry Segment Information (Details) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2021 USD ($) segment | Dec. 31, 2020 USD ($) | Dec. 31, 2019 USD ($)
Segment Reporting [Abstract] |  |  |
Number of reportable segments | segment | 2 |  |
Interest Income (Expense), after Provision for Loan Loss [Abstract] |  |  |
Fee income from customers | $ 109,691 | $ 100,441 | $ 110,069
Interest income | 47,370 | 49,576 | 54,694
Interest expense | 1,171 | 2,362 | 5,193
Intersegment income (expense) | 44,326 | 45,325 | 47,416
Tax-equivalized pre-tax income | 35,694 | 32,230 | 39,550
Goodwill | 14,262 | 14,262 | 14,262
Other intangible assets, net | 2,564 | 3,423 | 4,281
Total Assets | 2,554,901 | 2,203,235 | 1,764,243
Funding Sources | 1,813,496 | 1,473,164 | 1,268,973
Tax equivalent adjustment | 1,873 | 1,888 | 2,084
Corporate, Eliminations and Other |  |  |
Interest Income (Expense), after Provision for Loan Loss [Abstract] |  |  |
Fee income from customers | 1,608 | 1,286 | 467
Interest income | (1,694) | (261) | 2,510
Interest expense | 0 | 0 | 0
Intersegment income (expense) | (3,222) | (2,315) | (2,107)
Tax-equivalized pre-tax income | (756) | 1,027 | 2,978
Goodwill | 0 | 0 | 0
Other intangible assets, net | 0 | 0 | 0
Total Assets | (98,076) | (7,155) | 4,419
Funding Sources | 0 | 0 | 0
Information Services |  |  |
Interest Income (Expense), after Provision for Loan Loss [Abstract] |  |  |
Fee income from customers | 105,452 | 96,548 | 107,942
Interest income | 24,332 | 20,343 | 21,538
Interest expense | 0 | 0 | 0
Tax-equivalized pre-tax income | 26,368 | 17,178 | 23,524
Goodwill | 12,433 | 12,433 | 12,433
Other intangible assets, net | 329 | 735 | 1,142
Total Assets | 1,152,917 | 967,702 | 844,483
Funding Sources | 937,478 | 734,999 | 676,068
Information Services | Corporate, Eliminations and Other |  |  |
Interest Income (Expense), after Provision for Loan Loss [Abstract] |  |  |
Intersegment income (expense) | 0 | 0 | 0
Banking Services |  |  |
Interest Income (Expense), after Provision for Loan Loss [Abstract] |  |  |
Fee income from customers | 2,631 | 2,607 | 1,660
Interest income | 24,732 | 29,494 | 30,646
Interest expense | 1,171 | 2,362 | 5,193
Tax-equivalized pre-tax income | 10,082 | 14,025 | 13,048
Goodwill | 1,829 | 1,829 | 1,829
Other intangible assets, net | 2,235 | 2,688 | 3,139
Total Assets | 1,500,060 | 1,242,688 | 915,341
Funding Sources | 876,018 | 738,165 | 592,905
Banking Services | Corporate, Eliminations and Other |  |  |
Interest Income (Expense), after Provision for Loan Loss [Abstract] |  |  |
Intersegment income (expense) | $ (3,222) | $ (2,315) | $ (2,107)

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