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Intangible Assets (Summary Of Intangible Assets and Accumulated Amortization Included In The Consolidated Statements of Condition) (Details) $ in Thousands | 6 Months Ended |
--- | --- | ---
Jun. 30, 2018 USD ($) branch | Dec. 31, 2017 USD ($)
Intangible Assets [Line Items] |  |
Gross Carrying Amount | $ 240,637 | $ 244,137
Accumulated Amortization | (72,682) | (59,748)
Net Carrying Value | $ 167,955 | 184,389
Number of branches divested | branch | 2 |
State banking licenses |  |
Intangible Assets [Line Items] |  |
Net Carrying Value | $ 300 |
Core deposit intangibles |  |
Intangible Assets [Line Items] |  |
Gross Carrying Amount | 157,150 | 160,650
Accumulated Amortization | (18,146) | (8,176)
Net Carrying Value | 139,004 | 152,474
Customer relationships |  |
Intangible Assets [Line Items] |  |
Gross Carrying Amount | 77,865 | 77,865
Accumulated Amortization | (53,211) | (50,777)
Net Carrying Value | 24,654 | 27,088
Other |  |
Intangible Assets [Line Items] |  |
Gross Carrying Amount | 5,622 | 5,622
Accumulated Amortization | (1,325) | (795)
Net Carrying Value | $ 4,297 | $ 4,827

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- Definition Sum of the carrying amounts of all intangible assets, excluding goodwill, as of the balance sheet date, net of accumulated amortization and impairment charges. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6388964&loc=d3e16212-109274 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph ((a)(1),(b)) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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