Annual report pursuant to Section 13 and 15(d)

Segment Information - Long-lived Assets by Geographical Area (Details)

v3.8.0.1
Segment Information - Long-lived Assets by Geographical Area (Details) - USD ($)
$ in Thousands
Dec. 31, 2017
Dec. 31, 2016
Revenues from External Customers and Long-Lived Assets [Line Items]    
Property, plant and equipment, net $ 195,029 $ 166,049
Operating Segments | Media & Content    
Revenues from External Customers and Long-Lived Assets [Line Items]    
Property, plant and equipment, net 8,250 9,177
Operating Segments | Media & Content | United States and Canada    
Revenues from External Customers and Long-Lived Assets [Line Items]    
Property, plant and equipment, net 1,628 2,803
Operating Segments | Media & Content | United Kingdom    
Revenues from External Customers and Long-Lived Assets [Line Items]    
Property, plant and equipment, net 4,531 3,023
Operating Segments | Media & Content | India    
Revenues from External Customers and Long-Lived Assets [Line Items]    
Property, plant and equipment, net 1,745 2,013
Operating Segments | Media & Content | Other    
Revenues from External Customers and Long-Lived Assets [Line Items]    
Property, plant and equipment, net 346 1,338
Operating Segments | Connectivity    
Revenues from External Customers and Long-Lived Assets [Line Items]    
Property, plant and equipment, net 182,023 151,384
Operating Segments | Connectivity | United States    
Revenues from External Customers and Long-Lived Assets [Line Items]    
Property, plant and equipment, net 162,133 130,924
Operating Segments | Connectivity | Germany    
Revenues from External Customers and Long-Lived Assets [Line Items]    
Property, plant and equipment, net 15,316 16,321
Operating Segments | Connectivity | Other    
Revenues from External Customers and Long-Lived Assets [Line Items]    
Property, plant and equipment, net 4,574 4,139
Corporate    
Revenues from External Customers and Long-Lived Assets [Line Items]    
Property, plant and equipment, net 4,756 5,488
Corporate | United States    
Revenues from External Customers and Long-Lived Assets [Line Items]    
Property, plant and equipment, net $ 4,756 $ 5,488