Annual report pursuant to Section 13 and 15(d)

Revenue - Disaggregation of Revenue (Details)

v3.19.1
Revenue - Disaggregation of Revenue (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Disaggregation of Revenue [Line Items]      
Total revenue $ 647,094 $ 619,469 $ 529,755
Licensing & Services      
Disaggregation of Revenue [Line Items]      
Total revenue 606,227 581,920 496,535
Media & Content      
Disaggregation of Revenue [Line Items]      
Total revenue 315,409 298,935 318,064
Media & Content | Licensing & Services      
Disaggregation of Revenue [Line Items]      
Total revenue 315,409 298,935 318,064
Aviation Connectivity      
Disaggregation of Revenue [Line Items]      
Total revenue 331,685 320,534 $ 211,691
Aviation Connectivity | Aviation Services      
Disaggregation of Revenue [Line Items]      
Total revenue 120,130 113,167  
Aviation Connectivity | Aviation Equipment      
Disaggregation of Revenue [Line Items]      
Total revenue 30,518 27,841  
Aviation Connectivity | Maritime & Land Services      
Disaggregation of Revenue [Line Items]      
Total revenue 170,688 169,818  
Aviation Connectivity | Maritime & Land Equipment      
Disaggregation of Revenue [Line Items]      
Total revenue $ 10,349 $ 9,708