Quarterly report pursuant to Section 13 or 15(d)

Segment Information - Assets (Details)

v3.10.0.1
Segment Information - Assets (Details) - USD ($)
$ in Thousands
Sep. 30, 2018
Dec. 31, 2017
Segment Reporting Information [Line Items]    
Total assets $ 794,147 $ 860,584
Operating Segments    
Segment Reporting Information [Line Items]    
Total assets 780,137 841,930
Operating Segments | Media & Content Reporting Unit    
Segment Reporting Information [Line Items]    
Total assets 336,913 362,216
Operating Segments | Connectivity    
Segment Reporting Information [Line Items]    
Total assets 443,224 479,714
Corporate    
Segment Reporting Information [Line Items]    
Total assets $ 14,010 $ 18,654