Annual report pursuant to Section 13 and 15(d)

Intangible Assets and Goodwill (Finite Lived) (Details)

v3.3.1.900
Intangible Assets and Goodwill (Finite Lived) (Details) - USD ($)
$ in Thousands
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Finite-Lived Intangible Assets [Line Items]      
Finite-lived intangible assets, gross $ 111,011 $ 104,975  
Less accumulated amortization 41,721 38,960  
Net other intangible assets 69,290 66,015 $ 71,435
Software License Fee      
Finite-Lived Intangible Assets [Line Items]      
Finite-lived intangible assets, gross 63,760 52,683  
Rights to Use      
Finite-Lived Intangible Assets [Line Items]      
Finite-lived intangible assets, gross 44,937 48,283  
Customer Relationships      
Finite-Lived Intangible Assets [Line Items]      
Finite-lived intangible assets, gross 1,530 3,226  
Right Of Way      
Finite-Lived Intangible Assets [Line Items]      
Finite-lived intangible assets, gross $ 784 $ 783