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Note 7 - Goodwill and Other Intangible Assets | 9 Months Ended
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Sep. 30, 2017
Notes to Financial Statements |
Goodwill and Intangible Assets Disclosure [Text Block] | NOTE 7: GOODWILL AND OTHER INTANGIBLE ASSETS Goodwill is tested annually, or more often if circumstances warrant, for impairment. If the implied fair value of goodwill is lower than its carrying amount, goodwill impairment is indicated, and goodwill is written down to its implied fair value. Subsequent increases in goodwill value are not recognized in the financial statements. Goodwill totaled $375.7 million at September 30, 2017 and $348.5 million at December 31, 2016. The change in goodwill during 2017 primarily includes $29.4 million recorded as a result of the Company’s 2017 Hardeman acquisition, which is not deductible for tax purposes, partially offset by $4.1 million due to the sale of the Company’s property and casualty insurance lines of business. Goodwill impairment was neither indicated nor recorded during the nine months ended September 30, 2017 or the year ended December 31, 2016. Core deposit premiums are amortized over periods ranging from 10 to 15 years and are periodically evaluated, at least annually, as to the recoverability of their carrying value. Core deposit premiums of $7.8 million were recorded during the second quarter of 2017 as part of the Hardeman acquisition. Core deposit premiums of $5.1 million were recorded in the fourth quarter of 2016 as part of the Citizens acquisition. Intangible assets are being amortized over various periods ranging from 10 to 15 years. The Company recorded $830,000 of intangible assets during the second quarter of 2017 related to the insurance operations acquired in the Hardeman acquisition. The Company recorded $591,000 of intangible assets during the fourth quarter of 2016 related to the trust operations acquired in the Citizens acquisition. Intangible assets decreased by $1.3 million due to the sale of insurance lines of business during the third quarter of 2017. The Company’s goodwill and other intangibles (carrying basis and accumulated amortization) at September 30, 2017 and December 31, 2016, were as follows:
(In thousands) |  | September 30, 2017 |  | December 31, 2016
Goodwill |  | $ | 375,731 |  |  | $ | 348,505 |
Core deposit premiums: |  |  |  |  |  |  |  |
Gross carrying amount |  |  | 56,532 |  |  |  | 48,692 |
Accumulated amortization |  |  | (14,297 | ) |  |  | (10,625 | )
Core deposit premiums, net |  |  | 42,235 |  |  |  | 38,067 |
Purchased credit card relationships: |  |  |  |  |  |  |  |
Gross carrying amount |  |  | 2,068 |  |  |  | 2,068 |
Accumulated amortization |  |  | (1,654 | ) |  |  | (1,344 | )
Purchased credit card relationships, net |  |  | 414 |  |  |  | 724 |
Books of business intangible: |  |  |  |  |  |  |  |
Gross carrying amount |  |  | 15,414 |  |  |  | 15,884 |
Accumulated amortization |  |  | (2,562 | ) |  |  | (1,716 | )
Books of business intangible, net |  |  | 12,852 |  |  |  | 14,168 |
Other intangible assets, net |  |  | 55,501 |  |  |  | 52,959 |
Total goodwill and other intangible assets |  | $ | 431,232 |  |  | $ | 401,464 |
The Company’s estimated remaining amortization expense on intangibles as of September 30, 2017 is as follows:
Year |  | (In thousands)
Remainder of 2017 |  | $ | 1,665 |
2018 |  |  | 6,557 |
2019 |  |  | 6,247 |
2020 |  |  | 6,234 |
2021 |  |  | 6,172 |
Thereafter |  |  | 28,626 |
Total |  | $ | 55,501 |

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- Definition The entire disclosure for the aggregate amount of goodwill and a description of intangible assets, which may include (a) for amortizable intangible assets (also referred to as finite-lived intangible assets), the carrying amount, the amount of any significant residual value, and the weighted-average amortization period, (b) for intangible assets not subject to amortization (also referred to as indefinite-lived intangible assets), the carrying amount, and (c) the amount of research and development assets acquired and written off in the period, including the line item in the income statement in which the amounts written off are aggregated, if not readily apparent from the income statement. Also discloses (a) for amortizable intangibles assets in total and by major class, the gross carrying amount and accumulated amortization, the total amortization expense for the period, and the estimated aggregate amortization expense for each of the five succeeding fiscal years, (b) for intangible assets not subject to amortization the carrying amount in total and by major class, and (c) for goodwill, in total and for each reportable segment, the changes in the carrying amount of goodwill during the period (including the aggregate amount of goodwill acquired, the aggregate amount of impairment losses recognized, and the amount of goodwill included in the gain (loss) on disposal of a reporting unit). If any part of goodwill has not been allocated to a reportable segment, discloses the unallocated amount and the reasons for not allocating. For each impairment loss recognized related to an intangible asset (excluding goodwill), discloses: (a) a description of the impaired intangible asset and the facts and circumstances leading to the impairment, (b) the amount of the impairment loss and the method for determining fair value, (c) the caption in the income statement or the statement of activities in which the impairment loss is aggregated, and (d) the segment in which the impaired intangible asset is reported. For each goodwill impairment loss recognized, discloses: (a) a description of the facts and circumstances leading to the impairment, (b) the amount of the impairment loss and the method of determining the fair value of the associated reporting unit, and (c) if a recognized impairment loss is an estimate not finalized and the reasons why the estimate is not final. May also disclose the nature and amount of any significant adjustments made to a previous estimate of an impairment loss. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -URI http://asc.fasb.org/topic&trid=2144416 + Details
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