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Goodwill and Other Intangible Assets (Tables) | 12 Months Ended
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Dec. 31, 2016
Goodwill and Other Intangible Assets [Abstract] |
Carrying Value of Intangible Assets Subject to Amortization | ﻿
﻿ |  |  |  |  |  |  |  |  |
﻿ |  |  |  |  |  |  |  |  |
﻿ |  | December 31, 2016
﻿ |  | Purchase |  | Accumulated |  | Carrying
﻿(in thousands) |  | Value |  | Amortization |  | Value
﻿Core deposit intangibles |  | $ | 190,655 |  | $ | 113,436 |  | $ | 77,219
﻿Credit card and trust relationships |  |  | 22,400 |  |  | 14,907 |  |  | 7,493
﻿Merchant processing relationships |  |  | 10,000 |  |  | 6,955 |  |  | 3,045
﻿ |  | $ | 223,055 |  | $ | 135,298 |  | $ | 87,757
﻿ ﻿
﻿ |  |  |  |  |  |  |  |  |
﻿ |  |  |  |  |  |  |  |  |
﻿ |  | December 31, 2015
﻿ |  | Purchase |  | Accumulated |  | Carrying
﻿(in thousands) |  | Value |  | Amortization |  | Value
﻿Core deposit intangibles |  | $ | 190,655 |  | $ | 97,026 |  | $ | 93,629
﻿Credit card and trust relationships |  |  | 22,400 |  |  | 12,735 |  |  | 9,665
﻿Trade name |  |  | 11,722 |  |  | 11,722 |  |  | —
﻿Merchant processing relationships |  |  | 10,000 |  |  | 5,756 |  |  | 4,244
﻿ |  | $ | 234,777 |  | $ | 127,239 |  | $ | 107,538
﻿
Aggregate Amortization Expense |
﻿ |  |  |  |  |  |  |  |  |
﻿ |  |  |  |  |  |  |  |  |
﻿ |  | Years Ended December 31,
﻿(in thousands) |  | 2016 |  | 2015 |  | 2014
﻿Aggregate amortization expense for: |  |  |  |  |  |  |  |  |
﻿Core deposit intangibles |  | $ | 16,411 |  | $ | 18,031 |  | $ | 19,897
﻿Credit card and trust relationships |  |  | 2,172 |  |  | 2,369 |  |  | 2,566
﻿Value of insurance business acquired |  |  | — |  |  | — |  |  | 34
﻿Non-compete agreements |  |  | — |  |  | — |  |  | 100
﻿Trade name |  |  | — |  |  | 2,388 |  |  | 2,605
﻿Merchant processing relationships |  |  | 1,198 |  |  | 1,396 |  |  | 1,595
﻿ |  | $ | 19,781 |  | $ | 24,184 |  | $ | 26,797
﻿
Estimated Amortization Expense of Other Intangible Assets |
﻿ |  |  |
﻿ |  |  |
﻿2017 |  | $ | 17,815
﻿2018 |  |  | 16,062
﻿2019 |  |  | 13,747
﻿2020 |  |  | 10,124
﻿2021 |  |  | 8,452
﻿Thereafter |  |  | 21,557
﻿ |  | $ | 87,757
﻿

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- Definition Tabular disclosure of assets, excluding financial assets and goodwill, lacking physical substance with a finite life, by either major class or business segment. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275 + Details
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- Definition Tabular disclosure of the amount of amortization expense expected to be recorded in succeeding fiscal years for finite-lived intangible assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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