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Goodwill and Intangible Assets
3 Months Ended
Mar. 31, 2017
Goodwill and Intangible Assets Disclosure [Abstract]  
Goodwill and Intangible Assets
Goodwill and Intangible Assets
 
Business combinations involving the Company’s acquisition of the equity interests or net assets of another enterprise give rise to goodwill.  Total goodwill at March 31, 2017 was $40,311,000 consisting of $14,643,000, $8,934,000, $6,340,000, and $10,394,000 representing the excess of the cost of Service 1st Bancorp, Bank of Madera County, Visalia Community Bank, and Sierra Vista Bank respectively, over the net amounts assigned to assets acquired and liabilities assumed in the transactions accounted for under the purchase method of accounting.  The value of goodwill is ultimately derived from the Company’s ability to generate net earnings after the acquisitions and is not deductible for tax purposes. The fair values of assets acquired and liabilities assumed are subject to adjustment during the first twelve months after the acquisition date if additional information becomes available to indicate a more accurate or appropriate value for an asset or liability. A decline in net earnings could be indicative of a decline in the fair value of goodwill and result in impairment.  For that reason, goodwill is assessed at least annually for impairment.
The Company has selected September 30 as the date to perform the annual impairment test. As of September 30, 2016, management assessed qualitative factors including performance trends and noted no factors indicating goodwill impairment.
     Goodwill is also tested for impairment between annual tests if an event occurs or circumstances change that would more likely than not reduce the fair value of the Company below its carrying amount.  No such events or circumstances arose during the first three months of 2017.
The intangible assets at March 31, 2017 represent the estimated fair value of the core deposit relationships acquired in the acquisition of Sierra Vista Bank in 2016 of $508,000 and the 2013 acquisition of Visalia Community Bank of $1,365,000. Core deposit intangibles are being amortized by the straight-line method (which approximates the effective interest method) over an estimated life of ten years from the date of acquisition.  The carrying value of intangible assets at March 31, 2017 was $1,336,000 net of $537,000 in accumulated amortization expense.  Management evaluates the remaining useful lives quarterly to determine whether events or circumstances warrant a revision to the remaining periods of amortization.  Based on the evaluation, no changes to the remaining useful lives was required in the first quarter of 2017. Management performed an annual impairment test on core deposit intangibles as of September 30, 2016 and determined no impairment was necessary. Amortization expense recognized was $47,000 and $34,000 for the three month periods ended March 31, 2017 and 2016, respectively.
The following table summarizes the Company’s estimated remaining core deposit intangible amortization expense for each of the next five years (in thousands):
Years Ending
 
Estimated Core Deposit Intangible Amortization
2017
 
$
141

2018
 
188

2019
 
188

2020
 
188

2021
 
188

Thereafter
 
443

 
 
$
1,336