Annual report pursuant to Section 13 and 15(d)

Goodwill and Other Intangible Assets - Summary of gross carrying amounts and accumulated amortization of intangibles (Details)

v3.3.1.900
Goodwill and Other Intangible Assets - Summary of gross carrying amounts and accumulated amortization of intangibles (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Acquired Finite-Lived Intangible Assets [Line Items]    
Weighted average remaining useful lives (in years) 6 years 2 months 12 days  
Finite-lived intangible assets    
Gross Carrying Amount $ 115,040 $ 8,030
Accumulated Amortization (4,488) (1,091)
Total future amortization expense 110,552 6,939
Indefinite-lived intangible assets    
Total intangible assets, Gross Carrying Amount 115,233 8,030
Total intangible assets, Accumulated Amortization (4,488) (1,091)
Total intangible assets, Net Carrying Value 110,745 6,939
FCC license - broadcast radio    
Indefinite-lived intangible assets    
Indefinite-lived intangible assets $ 193 0
Patents    
Acquired Finite-Lived Intangible Assets [Line Items]    
Weighted average remaining useful lives (in years) 8 years 6 months  
Finite-lived intangible assets    
Gross Carrying Amount $ 8,030 8,030
Accumulated Amortization (1,824) (1,091)
Total future amortization expense 6,206 6,939
Indefinite-lived intangible assets    
Total intangible assets, Accumulated Amortization $ (1,824) (1,091)
Developed technology    
Acquired Finite-Lived Intangible Assets [Line Items]    
Weighted average remaining useful lives (in years) 4 years 8 months 12 days  
Finite-lived intangible assets    
Gross Carrying Amount $ 56,050 0
Accumulated Amortization (1,265) 0
Total future amortization expense 54,785 0
Indefinite-lived intangible assets    
Total intangible assets, Accumulated Amortization $ (1,265) 0
Customer relationships - clients    
Acquired Finite-Lived Intangible Assets [Line Items]    
Weighted average remaining useful lives (in years) 7 years 9 months 18 days  
Finite-lived intangible assets    
Gross Carrying Amount $ 37,300 0
Accumulated Amortization (777) 0
Total future amortization expense 36,523 0
Indefinite-lived intangible assets    
Total intangible assets, Accumulated Amortization $ (777) 0
Customer relationships - users    
Acquired Finite-Lived Intangible Assets [Line Items]    
Weighted average remaining useful lives (in years) 1 year 8 months 12 days  
Finite-lived intangible assets    
Gross Carrying Amount $ 1,940 0
Accumulated Amortization (318) 0
Total future amortization expense 1,622 0
Indefinite-lived intangible assets    
Total intangible assets, Accumulated Amortization $ (318) 0
Trade names    
Acquired Finite-Lived Intangible Assets [Line Items]    
Weighted average remaining useful lives (in years) 7 years 3 months 18 days  
Finite-lived intangible assets    
Gross Carrying Amount $ 11,720 0
Accumulated Amortization (304) 0
Total future amortization expense 11,416 0
Indefinite-lived intangible assets    
Total intangible assets, Accumulated Amortization $ (304) $ 0