Customer List Intangible Assets
 2 Months Ended 4 Months Ended
Jun. 30, 2015
Apr. 23, 2015
Finite Lived Intangible Assets [Line Items]    
Customer List Intangible Assets

Note 6. Customer List Intangible Assets

The carrying value of the customer list intangible assets is as follows:

 

 

June 30, 2015

 

 

 

Gross

 

 

Accumulated

 

 

Net Carrying

 

(Thousands)

 

Cost

 

 

Amortization

 

 

Value

 

Customer lists

 

$

34,501

 

 

$

(22,043

)

 

$

12,458

 

 

Amortization expense for the customer list intangible assets was $0.6 million for the period from April 24, 2015 to June 30, 2015. Amortization expense is estimated to be $2.6 million for the full year of 2015, $3.3 million in 2016, $2.6 million in 2017, $2.0 million in 2018 and $1.4 million in 2019.

  
Consumer CLEC Business    
Finite Lived Intangible Assets [Line Items]    
Customer List Intangible Assets  

Note 4. Customer List Intangible Assets

The carrying value of the customer list intangible assets at December 31, 2014 was as follows:

 

 

 

December 31, 2014

 

 

 

Gross

 

 

Accumulated

 

 

Net Carrying

 

(Thousands)

 

Cost

 

 

Amortization

 

 

Value

 

Customer lists

 

$

34,501

 

 

$

(20,049

)

 

$

14,452

 

Amortization expense for the customer list intangible assets was $0.3 million and $1.3 million for the period from April 1, 2015 to the Spin Date and January 1, 2015 to the Spin Date, respectively. Amortization expense for the customer list intangible assets was $1.1 million and $2.3 million for the three and six months ended June 30, 2014, respectively