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INTANGIBLE ASSETS AND GOODWILL (Notes)
12 Months Ended
Dec. 31, 2016
Goodwill and Intangible Assets Disclosure [Abstract]  
INTANGIBLE ASSETS AND GOODWILL
INTANGIBLE ASSETS AND GOODWILL

Intangible Assets

Amortizing identifiable intangible assets related to the Company’s acquisitions or capitalized costs of internally developed or externally purchased software that form the basis for the Company’s products consisted of the following at December 31, 2016 and 2015 (in thousands):
 
December 31,
 
2016
 
2015
 
 
Gross
 
Accumulated
Amortization
 
 
Net
 
 
Gross
 
Accumulated
Amortization
 
 
Net
Completed technologies and patents
$
57,994

 
$
(38,657
)
 
$
19,337

 
$
58,032

 
$
(30,902
)
 
$
27,130

Customer relationships
54,597

 
(51,002
)
 
3,595

 
54,656

 
(48,767
)
 
5,889

Trade names
1,346

 
(1,346
)
 

 
1,346

 
(1,146
)
 
200

Capitalized software costs
4,911

 
(4,911
)
 

 
4,911

 
(4,911
)
 

Total
$
118,848

 
$
(95,916
)
 
$
22,932

 
$
118,945

 
$
(85,726
)
 
$
33,219


Amortization expense related to intangible assets in the aggregate was $10.3 million, $6.4 million and $1.8 million for the years ended December 31, 2016, 2015 and 2014, respectively. The Company expects amortization of intangible assets to be approximately $9.3 million in 2017, $9.3 million in 2018, $4.3 million in 2019.

Goodwill

The acquisition of Orad resulted in goodwill of $32.6 million in 2015. As of October 31, 2016, the Company’s goodwill impairment measurement date, the Company concluded that it was not more likely than not that a goodwill impairment existed.