Quarterly report pursuant to Section 13 or 15(d)

Intangible Assets and Goodwill

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Intangible Assets and Goodwill
6 Months Ended
Jun. 30, 2015
Goodwill and Intangible Assets Disclosure [Abstract]  
Intangible Assets and Goodwill
Intangible Assets and Goodwill
Goodwill increased $8.3 million during the six months ended June 30, 2015 as a result of business combinations.

Amortization expense for amortizable intangible assets was as follows (amounts in thousands):
 
Three Months Ended 
 June 30,
 
Six Months Ended 
 June 30,
 
2015
 
2014
 
2015
 
2014
Amortization expense
$
2,555

 
2,189

 
$
5,218

 
$
4,600



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
$
10,221

2016
$
8,336

2017
$
6,035

2018
$
4,200

2019
$
3,191