Quarterly report pursuant to Section 13 or 15(d)

Segment Information - Assets (Details)

v3.10.0.1
Segment Information - Assets (Details) - USD ($)
$ in Thousands
Jun. 30, 2018
Dec. 31, 2017
Segment Reporting Information [Line Items]    
Total net assets $ 824,477 $ 860,584
Operating Segments    
Segment Reporting Information [Line Items]    
Total net assets 807,969 841,930
Operating Segments | Media & Content    
Segment Reporting Information [Line Items]    
Total net assets 351,462 362,216
Operating Segments | Connectivity    
Segment Reporting Information [Line Items]    
Total net assets 456,507 479,714
Corporate    
Segment Reporting Information [Line Items]    
Total net assets $ 16,508 $ 18,654