Goodwill and Other Intangible Assets

12 Months Ended

Dec. 31, 2016

Goodwill and Intangible Assets Disclosure [Abstract]

GOODWILL AND OTHER INTANGIBLE ASSETS

The Company's annual goodwill impairment test was performed as of October 1, 2016. It was determined that no impairment existed as of that date or as of December 31, 2016. For a discussion of the accounting policies for goodwill and other intangible assets, see Note 1, "Summary of Significant Accounting Policies."

The following table presents changes in the carrying amount of goodwill for the years ended December 31, 2016, 2015, and 2014.

Changes in the Carrying Amount of Goodwill

(Dollar amounts in thousands)



	Years Ended December 31,
	2016		2015		2014
Beginning balance	$	319,007	$	310,589	$	264,062
Acquisitions	21,872		8,418		46,527
Ending balance	$	340,879	$	319,007	$	310,589

The increase in goodwill for the year ended December 31, 2016 resulted from the NI Bancshares acquisition and measurement period adjustments related to finalizing the fair values of the assets acquired and liabilities assumed in the Peoples acquisition. During the year ended December 31, 2015, the increase in goodwill resulted from the Peoples acquisition and a measurement period adjustment related to finalizing the fair values of the assets acquired and liabilities assumed in the Great Lakes Financial Resources, Inc. ("Great Lakes") acquisition. During the year ended December 31, 2014, the increase in goodwill resulted from the Popular Community Bank ("Popular") and Great Lakes acquisitions. See Note 3, "Acquisitions," for additional detail regarding transactions completed in 2016 and 2015.

The Company's other intangible assets are core deposit intangibles, which are being amortized over their estimated useful lives. Other intangible assets are subject to impairment testing when events or circumstances indicate that its carrying amount may not be recoverable. During 2016 there were no events or circumstances to indicate impairment.

Other Intangible Assets

(Dollar amounts in thousands)



	Years Ended December 31,
	2016							2015							2014
	Gross		Accumulated Amortization		Net			Gross		Accumulated Amortization		Net			Gross		Accumulated Amortization		Net
Beginning balance	$	48,550	$	28,280	$	20,270		$	47,970	$	24,360	$	23,610		$	33,775	$	21,471	$	12,304
Additions	10,409		—		10,409			580		—		580			14,195		—		14,195
Amortization expense	—		4,682		(4,682		)	—		3,920		(3,920		)	—		2,889		(2,889		)
Ending balance	$	58,959	$	32,962	$	25,997		$	48,550	$	28,280	$	20,270		$	47,970	$	24,360	$	23,610
Weighted-average remaining life (in years)					7.6							7.4							8.0
Estimated remaining useful lives (in years)					0.6 to 9.3							0.8 to 10.0							0.3 to 10.3

Scheduled Amortization of Other Intangible Assets

(Dollar amounts in thousands)



	Total
Year Ending December 31,
2017	$	4,161
2018	3,237
2019	3,172
2020	3,121
2021	3,045
2022 and thereafter	9,261
Total	$	25,997

- 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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