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Segment Reporting (Business Segment Assets) (Details) - USD ($) $ in Thousands | Sep. 30, 2020 | Dec. 31, 2019
--- | --- | ---
Segment Reporting Information [Line Items] |  |
Goodwill | $ 66,062 | $ 66,062
Other intangible assets, net | 8,000 | 8,861
Total assets | 4,959,201 | 4,384,178
Banking [Member] |  |
Segment Reporting Information [Line Items] |  |
Goodwill | 48,536 | 48,536
Non-Banking [Member] |  |
Segment Reporting Information [Line Items] |  |
Goodwill | 17,526 | 17,526
Operating Segment [Member] | Banking [Member] |  |
Segment Reporting Information [Line Items] |  |
Goodwill | 48,536 | 48,536
Other intangible assets, net | 41 | 98
Total assets | 4,922,251 | 4,346,615
Operating Segment [Member] | Non-Banking [Member] |  |
Segment Reporting Information [Line Items] |  |
Goodwill | 17,526 | 17,526
Other intangible assets, net | 7,959 | 8,763
Total assets | 37,420 | 36,733
Holding Company and Other [Member] |  |
Segment Reporting Information [Line Items] |  |
Total assets | $ (470) | $ 830

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