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GOODWILL AND OTHER INTANGIBLES | 12 Months Ended
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Dec. 31, 2017
Business Combinations [Abstract] |
GOODWILL AND OTHER INTANGIBLE ASSETS | GOODWILL AND OTHER INTANGIBLES On January 5, 2005, ACNB Corporation completed the acquisition of Russell Insurance Group, Inc. (RIG) and RIG began to operate as a separate subsidiary of ACNB Corporation. In accordance with the terms of the acquisition, there was contingent consideration associated with this transaction of up to $3,000,000, payable in 2008 subject to performance criteria for the three-year period subsequent to the acquisition. Due to performance at a higher level than the performance criteria, the liability for this consideration was recorded at December 31, 2006, with a related increase in goodwill. Payment was made in the second quarter of 2008 after it was ascertained that the performance criteria had been met for the full three-year period; after which, the total aggregate purchase price was $8,663,000. On July 1, 2017, ACNB completed its acquisition of New Windsor Bancorp Inc. (New Windsor) of Taneytown, Maryland. The acquisition of New Windsor resulted in goodwill of approximately $13,272,000 and generated $2,418,000 in core deposit intangibles. Goodwill represents the excess of the cost of an acquisition over the fair value of the net assets acquired. Other intangible assets represent purchased assets that lack physical substance but can be distinguished from goodwill because of contractual or other legal rights. Intangible assets that have finite lives, such as core deposit intangibles, customer relationship intangibles and renewal lists, are amortized over their estimated useful lives and subject to periodic impairment testing. Core deposit intangibles are primarily amortized over ten years using accelerated methods. Customer renewal lists are amortized over their estimated useful lives which range from eight to thirteen years. Combining goodwill resulting from this transaction with existing goodwill from the 2005 RIG purchase of $6,308,000, total goodwill included in the Corporation’s consolidated statement of condition is $19,580,000. Goodwill is not deductible for federal income tax purposes. Goodwill, which has an indefinite useful life, is evaluated for impairment annually and is evaluated for impairment more frequently if events and circumstances indicate that the asset might be impaired. The carrying value and accumulated amortization of the intangible assets (RIG customer lists and New Windsor core deposit intangibles) are as follows:
|  |  |  | 2017 |  | 2016
Year Purchased |  | Dollars in thousands |  | Gross Carrying Amount |  | Accumulated Amortization |  | Gross Carrying Amount |  | Accumulated Amortization
2005 |  |  |  | $ | 3,282 |  |  | $ | 3,282 |  |  | $ | 3,282 |  |  | $ | 3,282 |
2007 |  |  |  | 637 |  |  | 637 |  |  | 637 |  |  | 587 |
2008 |  |  |  | 1,165 |  |  | 1,101 |  |  | 1,165 |  |  | 992 |
2009 |  |  |  | 1,300 |  |  | 1,170 |  |  | 1,300 |  |  | 1,040 |
2010 |  |  |  | 33 |  |  | 26 |  |  | 33 |  |  | 23 |
2014 |  |  |  | 77 |  |  | 31 |  |  | 77 |  |  | 23 |
2015 |  |  |  | 173 |  |  | 49 |  |  | 173 |  |  | 32 |
|  | RIG amortized intangible assets |  | 6,667 |  |  | 6,296 |  |  | 6,667 |  |  | 5,979 |
2017 |  | New Windsor core deposit intangibles |  | 2,418 |  |  | 220 |  |  | — |  |  | — |
|  |  |  | $ | 9,085 |  |  | $ | 6,516 |  |  | $ | 6,667 |  |  | $ | 5,979 |
Amortization of the intangible assets for the five years subsequent to December 31, 2017, is expected to be as follows:
Years Ending | In thousands
2018 | $ | 638 |
2019 | 400 |
2020 | 353 |
2021 | 309 |
2022 | 265 |
Thereafter | 604 |

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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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