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GOODWILL AND IDENTIFIABLE INTANGIBLE ASSETS (Tables) | 6 Months Ended
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Jun. 30, 2018
GOODWILL AND IDENTIFIABLE INTANGIBLE ASSETS [Abstract] |
Gross Carrying Amount and Accumulated Amortization of Identifiable Intangible Assets | The gross carrying amount and accumulated amortization for each type of identifiable intangible asset are as follows:
|  | June 30, 2018 |  | December 31, 2017 |
(000’s omitted) |  | Gross Carrying Amount |  |  | Accumulated Amortization |  |  | Net Carrying Amount |  | Gross Carrying Amount |  |  | Accumulated Amortization |  |  | Net Carrying Amount |
Amortizing intangible assets: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Core deposit intangibles |  | $ | 62,902 |  |  | $ | (41,256 | ) |  | $ | 21,646 |  | $ | 62,902 |  |  | $ | (37,877 | ) |  | $ | 25,025 |
Other intangibles |  |  | 87,616 |  |  |  | (26,614 | ) |  |  | 61,002 |  |  | 86,535 |  |  |  | (20,902 | ) |  |  | 65,633 |
Total amortizing intangibles |  | $ | 150,518 |  |  | $ | (67,870 | ) |  | $ | 82,648 |  | $ | 149,437 |  |  | $ | (58,779 | ) |  | $ | 90,658 |
Estimated Aggregate Amortization Expense for Each of Five Succeeding Fiscal Years | The estimated aggregate amortization expense for each of the five succeeding fiscal years ended December 31 is as follows:
(000’s omitted) |
Jul - Dec 2018 |  | $ | 8,802 |
2019 |  |  | 15,296 |
2020 |  |  | 12,722 |
2021 |  |  | 10,853 |
2022 |  |  | 9,317 |
Thereafter |  |  | 25,658 |
Total |  | $ | 82,648 |
Components of Goodwill | Shown below are the components of the Company’s goodwill at December 31, 2017 and June 30, 2018:
(000’s omitted) |  | December 31, 2017 |  |  | Activity |  |  | June 30, 2018 |
Goodwill |  | $ | 739,254 |  |  | $ | (951 | ) |  | $ | 738,303 |
Accumulated impairment |  |  | (4,824 | ) |  |  | 0 |  |  |  | (4,824 | )
Goodwill, net |  | $ | 734,430 |  |  | $ | (951 | ) |  | $ | 733,479 |

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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://fasb.org/us-gaap/role/ref/legacyRef -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://fasb.org/us-gaap/role/ref/legacyRef -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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