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Other Intangible Assets (Notes)
12 Months Ended
Dec. 31, 2016
Other Intangible Assets [Abstract]  
Other Intangibles Assets
Goodwill

The changes in goodwill for the year ended December 31, 2016 and 2015 for each reporting unit are shown in the table below:
  
Banking
 
Financial Services
 
Total
December 31, 2014:


 


 


Goodwill
$
40,902

 
$
7,474

 
$
48,376

Accumulated impairment losses

 
(3,570
)
 
(3,570
)
Reported goodwill
40,902

 
3,904

 
44,806

2015 activity(1)
50,851

 

 
50,851

December 31, 2015:
 
 
 
 
 
Goodwill
91,753

 
7,474

 
99,227

Accumulated impairment losses

 
(3,570
)
 
(3,570
)
Reported goodwill
91,753

 
3,904

 
95,657

2016 activity(1)
(960
)
 

 
(960
)
December 31, 2016:
 
 
 
 
 
Goodwill
90,793

 
7,474

 
98,267

Accumulated impairment losses

 
(3,570
)
 
(3,570
)
Reported goodwill
$
90,793

 
$
3,904

 
$
94,697


(1)
On October 16, 2015, the Company completed the Merger and goodwill of $49.9 million after recording a measurement-period adjustment decreasing goodwill of $960,000 in 2016 upon completion of purchase accounting. Refer to Note 2 for additional details and discussion.

The Company performs its annual goodwill impairment assessment as of November 30th, and at interim periods if indicators of potential impairment exist. The Company completed its annual goodwill impairment test as of November 30, 2016, 2015 and 2014 for each reporting unit and
. Other Intangible Assets

The changes in core deposit intangible and trust relationship intangible assets for the year ended December 31, 2016 and 2015 are shown in the table below:
 
 
Core Deposit Intangible
 
Trust Relationship Intangible
 
 
  
 
Gross
 
Accumulated Amortization
 
Net
 
Gross
 
Accumulated Amortization
 
Net
 
Total
Balance at December 31, 2014
 
$
17,300

 
$
(14,161
)
 
$
3,139

 
$
753

 
$
(527
)
 
$
226

 
$
3,365

2015 activity
 
6,608

 
(1,231
)
 
5,377

 

 
(75
)
 
(75
)
 
5,302

Balance at December 31, 2015
 
23,908

 
(15,392
)
 
8,516

 
753

 
(602
)
 
151

 
8,667

2016 activity
 

 
(1,828
)
 
(1,828
)
 

 
(75
)
 
(75
)
 
(1,903
)
Balance at December 31, 2016
 
$
23,908

 
$
(17,220
)
 
$
6,688

 
$
753

 
$
(677
)
 
$
76

 
$
6,764



On October 16, 2015, the Company completed the Merger and, in doing so, recorded core deposit intangible assets of $6.6 million. The core deposit intangible assets will amortize over a 10 year period using an accelerated depreciation method that aligns with the estimated economic benefit of the asset.

For the year ended December 31, 2016, 2015 and 2014, the Company recorded amortization expense of $1.9 million, $1.3 million and $1.1 million, respectively.

The following table reflects the expected amortization schedule for intangible assets over the period of estimated economic benefit (assuming no additional intangible assets are created or impaired):
 
Core Deposit
Intangible
 
Trust Relationship
Intangible
 
Total
2017
$
1,735

 
$
76

 
$
1,811

2018
725

 

 
725

2019
705

 

 
705

2020
682

 

 
682

2021
655

 

 
655

Thereafter
2,186

 

 
2,186

Total
$
6,688

 
$
76

 
$
6,764