Quarterly report pursuant to Section 13 or 15(d)

Revenue Recognition - Disaggregation of Revenue (Details)

v3.20.2
Revenue Recognition - Disaggregation of Revenue (Details)
$ in Thousands
 3 Months Ended 12 Months Ended
Mar. 31, 2020
USD ($)
segment
Mar. 31, 2019
USD ($)
Dec. 31, 2019
Revenue from Contract with Customer [Abstract]      
Number of operating segments | segment 2    
Disaggregation of Revenue [Line Items]      
Contract with Customer, Timing of Satisfaction of Performance Obligation and Payment     Contract payment terms are generally 30 to 45 days
Total Revenues $ 144,165 $ 166,619  
Licensing and services      
Disaggregation of Revenue [Line Items]      
Total Revenues 135,645 150,478  
Media & Content      
Disaggregation of Revenue [Line Items]      
Total Revenues 68,385 80,010  
Media & Content | Licensing and services      
Disaggregation of Revenue [Line Items]      
Total Revenues 68,385 80,010  
Connectivity      
Disaggregation of Revenue [Line Items]      
Total Revenues 75,780 86,609  
Connectivity | Aviation Services      
Disaggregation of Revenue [Line Items]      
Total Revenues 30,706 31,241  
Connectivity | Aviation Equipment      
Disaggregation of Revenue [Line Items]      
Total Revenues 6,403 14,060  
Connectivity | Maritime & Land Services      
Disaggregation of Revenue [Line Items]      
Total Revenues 36,554 39,227  
Connectivity | Maritime & Land Equipment      
Disaggregation of Revenue [Line Items]      
Total Revenues $ 2,117 $ 2,081