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GOODWILL AND IDENTIFIABLE INTANGIBLE ASSETS (Tables) | 3 Months Ended
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Mar. 31, 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:
|  | March 31, 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 |  |  | $ | (39,621 | ) |  | $ | 23,281 |  |  | $ | 62,902 |  |  | $ | (37,877 | ) |  | $ | 25,025 |
Other intangibles |  |  | 87,372 |  |  | $ | (23,694 | ) |  |  | 63,678 |  |  |  | 86,535 |  |  |  | (20,902 | ) |  |  | 65,633 |
Total amortizing intangibles |  | $ | 150,274 |  |  | $ | (63,315 | ) |  | $ | 86,959 |  |  | $ | 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) |
Apr - Dec 2018 |  | $ | 13,318 |
2019 |  |  | 15,247 |
2020 |  |  | 12,680 |
2021 |  |  | 10,817 |
2022 |  |  | 9,288 |
Thereafter |  |  | 25,609 |
Total |  | $ | 86,959 |
Components of Goodwill | Shown below are the components of the Company’s goodwill at December 31, 2017 and March 31, 2018:
(000’s omitted) |  | December 31, 2017 |  |  | Activity |  |  | March 31, 2018 |
Goodwill |  | $ | 739,254 |  |  | $ | (805 | ) |  | $ | 738,449 |
Accumulated impairment |  |  | (4,824 | ) |  |  | 0 |  |  |  | (4,824 | )
Goodwill, net |  | $ | 734,430 |  |  | $ | (805 | ) |  | $ | 733,625 |

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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 goodwill by reportable segment and in total which includes a rollforward schedule. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13854-109267 + 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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