Quarterly report pursuant to Section 13 or 15(d)

Intangible Assets and Goodwill

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Intangible Assets and Goodwill
3 Months Ended
Mar. 31, 2015
Goodwill and Intangible Assets Disclosure [Abstract]  
Intangible Assets and Goodwill
Intangible Assets and Goodwill
Goodwill increased $3.8 million during the three months ended March 31, 2015 as a result of an immaterial business combination.

Amortization expense for amortizable intangible assets was as follows (amounts in thousands):
 
Three Months Ended 
 March 31,
 
2015
 
2014
Amortization expense
$
2,686

 
2,411



Amortization expense for amortizable intangible assets for each of the five succeeding fiscal years is estimated to be (amounts in thousands):
Years Ending December 31,
 
2015
$
9,897

2016
$
7,808

2017
$
5,510

2018
$
3,938

2019
$
3,068