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Segment Reporting (Business Segment Assets) (Details) - USD ($) $ in Thousands | Jun. 30, 2021 | Dec. 31, 2020
--- | --- | ---
Segment Reporting Information [Line Items] |  |
Goodwill | $ 66,673 | $ 66,062
Other intangible assets, net | 7,589 | 7,727
Total assets | 5,295,102 | 4,912,306
Banking [Member] |  |
Segment Reporting Information [Line Items] |  |
Goodwill | 48,536 | 48,536
All Other [Member] |  |
Segment Reporting Information [Line Items] |  |
Goodwill | 18,137 | 17,526
Operating Segment [Member] | Banking [Member] |  |
Segment Reporting Information [Line Items] |  |
Goodwill | 48,536 | 48,536
Other intangible assets, net | 10 | 28
Total assets | 5,257,795 | 4,875,673
Operating Segment [Member] | All Other [Member] |  |
Segment Reporting Information [Line Items] |  |
Goodwill | 18,137 | 17,526
Other intangible assets, net | 7,579 | 7,699
Total assets | $ 37,307 | $ 36,633

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