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Goodwill and Other Intangible Assets
9 Months Ended
Sep. 30, 2012
Goodwill and Other Intangible Assets [Abstract]  
Goodwill and Other Intangible Assets
Note 5.  Goodwill and Other Intangible Assets

The carrying value of our goodwill and intangible assets increased during the first quarter of 2012 due to our acquisition of IdeaOne Telecom which closed on March 1, 2012. Goodwill was $29,028,000 as of September 30, 2012 compared to $27,303,000 at December 31, 2011. We have goodwill in all three of our operating units: Fiber and Data Segment goodwill resulted from our acquisition of IdeaOne Telecom in 2012, CP Telecom in 2009 and Enventis Telecom in 2005. Equipment Segment goodwill also resulted from our acquisition of Enventis Telecom and Telecom Segment goodwill resulted from our acquisition of Heartland Telecommunications in 1997.
 
(Dollars in thousands)
 
September 30, 2012
  
December 31, 2011
 
Fiber and Data
 $5,384  $3,659 
Equipment
 $596  $596 
Telecom
 $23,048  $23,048 

The components of intangible assets are as follows:
 
 
    
As of September 30, 2012
  
As of December 31, 2011
 
      
Gross Carrying
  
Accumulated
  
Gross Carrying
  
Accumulated
 
(Dollars in thousands)
 
Useful Lives
 
Amount
  
Amortization
  
Amount
  
Amortization
 
Definite-Lived Intangible Assets
               
Customer relationships
 
1 - 8 years
 $8,499  $5,192  $5,299  $4,746 
Other intangibles
 
1 - 5 years
  2,930   1,203   2,830   1,069 
Total
    $11,429  $6,395  $8,129  $5,815 

Amortization expense related to the definite-lived intangible assets was $580,000 and $265,000 for the nine months ended September 30, 2012 and 2011, respectively. Total estimated amortization expense for the remaining three months of 2012 and the five years subsequent to 2012 is as follows: 2012 (October 1 - December 31) - $223,000; 2013 - $893,000; 2014 - $762,000; 2015 - $629,000; 2016 - $567,000; 2017 - $554,000.