Other Intangible Assets and Goodwill

12 Months Ended

Dec. 31, 2015

Goodwill and Intangible Assets Disclosure [Abstract]

The following table sets forth information regarding the Company’s core deposit intangibles:



	At or for the Years ended
(Dollars in thousands)	December 31, 2015			December 31, 2014		December 31, 2013
Gross carrying value	$	38,527		32,056		27,857
Accumulated amortization	(23,972		)	(21,156	)	(18,345	)
Net carrying value	$	14,555		10,900		9,512
Aggregate amortization expense	$	2,964		2,811		2,401
Weighted-average amortization period	9.7 years
Estimated amortization expense for the years ending December 31,
2016	$	2,923
2017	2,027
2018	1,598
2019	1,512
2020	1,465

Core deposit intangibles increased $6,619,000, $4,199,000 and $5,739,000 during 2015, 2014 and 2013, respectively, due to acquisitions. For additional information relating to acquisitions, see Note 22.

The following table discloses the changes in the carrying value of goodwill:



	Years ended
(Dollars in thousands)	December 31, 2015		December 31, 2014	December 31, 2013
Net carrying value at beginning of period	$	129,706	129,706	106,100
Acquisitions	10,932		—	23,606
Net carrying value at end of period	$	140,638	129,706	129,706

The gross carrying value of goodwill and the accumulated impairment charge consists of the following:



(Dollars in thousands)	December 31, 2015			December 31, 2014
Gross carrying value	$	180,797		169,865
Accumulated impairment charge ¹	(40,159		)	(40,159	)
Net carrying value	$	140,638		129,706

__________

¹A goodwill impairment charge was recognized in 2011 and was due to high levels of volatility and dislocation in bank stock prices nationwide.

Note 5. Other Intangible Assets and Goodwill (continued)

The Company’s first step in evaluating goodwill for possible impairment is a control premium analysis. The analysis first calculates the market capitalization and then adjusts such value for a control premium range which results in an implied fair value. The control premium range is determined based on historical control premiums for acquisitions that are comparable to the Company and is obtained from an independent third party. The calculated implied fair value is then compared to the book value to determine whether the Company needs to proceed to step two of the goodwill impairment assessment. The Company performed its annual goodwill impairment test during the third quarter of 2015 and determined the fair value of the aggregated reporting units exceeded the carrying value, such that the Company’s goodwill was not considered impaired. In recognition there were no events or circumstances that occurred during the fourth quarter of 2015 that would more-likely-than-not reduce the fair value of a reporting unit below its carrying value, the Company did not perform interim testing at December 31, 2015. Changes in the economic environment, operations of the aggregated reporting units, or other factors could result in the decline in the fair value of the aggregated reporting units which could result in a goodwill impairment in the future.

- 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.

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