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Goodwill And Intangible Assets (Intangible Assets Subject To Amortization) (Details) - USD ($) $ in Thousands | Dec. 31, 2018 | Dec. 31, 2017
--- | --- | ---
Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Value | $ 198,107 | $ 175,716
Accumulated Amortization | 80,570 | 68,207
Customer Relationships [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Value | 160,745 | 146,986
Accumulated Amortization | 65,254 | 55,809
Trade Name [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Value | 24,713 | 24,713
Accumulated Amortization | 11,755 | 10,228
Core Deposits [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Value | 8,615 |
Accumulated Amortization | 816 |
Investment Banking Backlog [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Value | 1,431 | 1,419
Accumulated Amortization | 1,293 | 968
Non-Compete Agreements [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Value | 2,603 | 2,598
Accumulated Amortization | $ 1,452 | $ 1,202

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- Definition Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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- Definition Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 928 -SubTopic 340 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6473545&loc=d3e61844-108004 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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