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Goodwill and Other Intangible Assets
6 Months Ended
Jun. 30, 2016
Goodwill and Intangible Assets Disclosure [Abstract]  
Goodwill and Other Intangible Assets
Goodwill and Other Intangible Assets
Goodwill
There were no changes in the carrying amount of goodwill during the periods presented. Goodwill is reviewed annually for impairment and more frequently if potential impairment indicators exist. No impairment indicators were identified during the periods presented.
Other Intangible Assets
The following table presents the components of other intangible assets:
 
Gross Carrying
Amount
 
Accumulated
Amortization
 
Net Carrying
Amount
 
Useful Lives
 
(Amounts in thousands)
 
(in years)
As of June 30, 2016:
 
 
 
 
 
 
 
Customer relationships
$
52,430

 
$
(36,829
)
 
$
15,601

 
11
Trade names
15,400

 
(4,813
)
 
10,587

 
24
Technology
4,300

 
(3,225
)
 
1,075

 
10
Insurance license
1,400

 

 
1,400

 
Indefinite
Total other intangible assets, net
$
73,530

 
$
(44,867
)
 
$
28,663

 
 
 
 
 
 
 
 
 
 
As of December 31, 2015:
 
 
 
 

 
 
Customer relationships
$
52,430

 
$
(34,327
)
 
$
18,103

 
11
Trade names
15,400

 
(4,491
)
 
10,909

 
24
Technology
4,300

 
(3,010
)
 
1,290

 
10
Insurance license
1,400

 

 
1,400

 
Indefinite
Total other intangible assets, net
$
73,530

 
$
(41,828
)
 
$
31,702

 
 

Other intangible assets are reviewed annually for impairment and more frequently if potential impairment indicators exist. No impairment indicators were identified during the periods presented.
Other intangible assets with definite useful lives are amortized on a straight-line basis over their useful lives. Other intangible assets amortization expense was $1.5 million for each three month period ended June 30, 2016 and 2015, respectively, and $3.0 million for each six month period ended June 30, 2016 and 2015, respectively.
The following table presents the estimated future amortization expense related to other intangible assets as of June 30, 2016:
 
Year
 
Amortization Expense
 
 
(Amounts in thousands)
Remainder of 2016

$
3,039

2017
 
5,349

2018
 
5,335

2019
 
4,905

2020
 
758

Thereafter
 
7,877

Total
 
$
27,263