Quarterly report pursuant to Section 13 or 15(d)

Intangible Assets and Goodwill

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Intangible Assets and Goodwill
9 Months Ended
Sep. 30, 2015
Goodwill and Intangible Assets Disclosure [Abstract]  
Intangible Assets and Goodwill
Intangible Assets and Goodwill
Goodwill increased $9.5 million during the nine months ended September 30, 2015 as a result of business combinations.

Amortization expense for amortizable intangible assets was as follows (amounts in thousands):
 
Three Months Ended 
 September 30,
 
Nine Months Ended 
 September 30,
 
2015
 
2014
 
2015
 
2014
Amortization expense
$
2,701

 
2,382

 
$
7,919

 
$
6,981



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
$
10,636

2016
$
8,957

2017
$
6,653

2018
$
4,733

2019
$
3,660