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Income Taxes Reconciliation of Unrecognized Tax Benefits (Expenses) (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Significant Change in Unrecognized Tax Benefits is Reasonably Possible [Line Items]        
Significant Change in Unrecognized Tax Benefits is Reasonably Possible, Amount of Unrecorded Benefit $ 849      
Unrecognized Tax Benefits 983 $ 2,487 $ 0 $ 0
Unrecognized Tax Benefits, Increase Resulting from Prior Period Tax Positions 168 0 0  
Unrecognized Tax Benefits, Decrease Resulting from Foreign Currency Translation (116) 0 0  
Unrecognized Tax Benefits, Increase Resulting from Current Period Tax Positions 13 14 0  
Unrecognized Tax Benefits, Decrease Resulting from Settlements with Taxing Authorities (1,569) 0 0  
Unrecognized Tax Benefits, Reduction Resulting from Lapse of Applicable Statute of Limitations 0 0 0  
Unrecognized Tax Benefits, Increase Resulting from Acquisition 0 2,473 0  
Unrecognized Tax Benefits that Would Impact Effective Tax Rate 983 $ 1,172 $ 0  
Videotel        
Significant Change in Unrecognized Tax Benefits is Reasonably Possible [Line Items]        
Significant Change in Unrecognized Tax Benefits is Reasonably Possible, Amount of Unrecorded Benefit 788      
Temporary differences to reverse in 2015 [Member]        
Significant Change in Unrecognized Tax Benefits is Reasonably Possible [Line Items]        
Significant Change in Unrecognized Tax Benefits is Reasonably Possible, Amount of Unrecorded Benefit $ 61