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Goodwill And Other Intangible Assets
9 Months Ended
Sep. 30, 2017
Goodwill and Intangible Assets Disclosure [Abstract]  
Goodwill And Other Intangible Assets
Goodwill and Other Intangible Assets

The following table presents information about the Company's intangible assets which have estimable useful lives.
 
September 30, 2017
 
December 31, 2016
 
 
(In thousands)
Gross Carrying Amount
Accumulated Amortization
Valuation Allowance
Net Amount
 
Gross Carrying Amount
Accumulated Amortization
Valuation Allowance
Net Amount
Amortizable intangible assets:
 
 
 
 
 
 
 
 
 
Core deposit premium
$
31,270

$
(28,127
)
$

$
3,143

 
$
31,270

$
(27,429
)
$

$
3,841

Mortgage servicing rights
7,361

(3,100
)
(16
)
4,245

 
5,672

(2,782
)
(22
)
2,868

Total
$
38,631

$
(31,227
)
$
(16
)
$
7,388

 
$
36,942

$
(30,211
)
$
(22
)
$
6,709



Aggregate amortization expense on intangible assets was $338 thousand and $374 thousand for the three month periods ended September 30, 2017 and 2016, respectively, and $1.0 million and $1.2 million for the nine month periods ended September 30, 2017 and 2016, respectively. The following table shows the estimated annual amortization expense for the next five fiscal years. This expense is based on existing asset balances and the interest rate environment as of September 30, 2017. The Company’s actual amortization expense in any given period may be different from the estimated amounts depending upon the acquisition of intangible assets, changes in mortgage interest rates, prepayment rates and other market conditions.
 (In thousands)
 
2017
$
1,331

2018
1,181

2019
996

2020
834

2021
711




Changes in the carrying amount of goodwill and net other intangible assets for the nine month period ended September 30, 2017 is as follows:
(In thousands)
Goodwill
Core Deposit Premium
Mortgage Servicing Rights
Balance January 1, 2017
$
138,921

$
3,841

$
2,868

Originations


1,689

Amortization

(698
)
(318
)
Impairment reversal


6

Balance September 30, 2017
$
138,921

$
3,143

$
4,245




Goodwill allocated to the Company’s operating segments at September 30, 2017 and December 31, 2016 is shown below.
(In thousands)
 
Consumer segment
$
70,721

Commercial segment
67,454

Wealth segment
746

Total goodwill
$
138,921