v2.4.0.8
Intangible Assets - Schedule of Intangible Assets, Other than Goodwill (Detail) (USD $)
In Thousands, unless otherwise specified
 12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Intangible Assets Net Excluding Goodwill [Line Items]    
Total intangible assets, Gross Carrying Amount $ 113,478 $ 104,770
Amortized intangible assets, Gross Carrying Amount 81,195 73,451
Amortized intangible assets, Accumulated Amortization (40,630) (46,623)
Amortized intangible assets, Net Carrying Amount 40,565 26,828
Total intangible assets, Net Carrying Amount 72,848 58,147
FCC License [Member]
    
Intangible Assets Net Excluding Goodwill [Line Items]    
Total unamortized intangible assets, Gross Carrying Amount 32,283 31,319
Total unamortized intangible assets, Net Carrying Amount 32,283 31,319
Software [Member]
    
Intangible Assets Net Excluding Goodwill [Line Items]    
Weighted Average Remaining Useful Life (in years) 3 years 2 months 12 days  
Amortized intangible assets, Gross Carrying Amount 58,689 58,765
Amortized intangible assets, Accumulated Amortization (27,558) (35,263)
Amortized intangible assets, Net Carrying Amount 31,131 23,502
Trademark/trade name [Member]
    
Intangible Assets Net Excluding Goodwill [Line Items]    
Weighted Average Remaining Useful Life (in years) 4 years 3 months 18 days  
Amortized intangible assets, Gross Carrying Amount 3,072 2,852
Amortized intangible assets, Accumulated Amortization (2,885) (2,852)
Amortized intangible assets, Net Carrying Amount 187   
Aircell Axxess technology [Member]
    
Intangible Assets Net Excluding Goodwill [Line Items]    
Weighted Average Remaining Useful Life (in years) 1 year 1 month 6 days  
Amortized intangible assets, Gross Carrying Amount 4,129 4,129
Amortized intangible assets, Accumulated Amortization (3,827) (3,549)
Amortized intangible assets, Net Carrying Amount 302 580
OEM and dealer relationships [Member]
    
Intangible Assets Net Excluding Goodwill [Line Items]    
Weighted Average Remaining Useful Life (in years) 3 years 1 month 6 days  
Amortized intangible assets, Gross Carrying Amount 6,724 6,724
Amortized intangible assets, Accumulated Amortization (4,650) (3,978)
Amortized intangible assets, Net Carrying Amount 2,074 2,746
Service customer relationships [Member]
    
Intangible Assets Net Excluding Goodwill [Line Items]    
Weighted Average Remaining Useful Life (in years) 6 years 3 months 18 days  
Amortized intangible assets, Gross Carrying Amount 8,081 981
Amortized intangible assets, Accumulated Amortization (1,710) (981)
Amortized intangible assets, Net Carrying Amount 6,371   
Patents [Member]
    
Intangible Assets Net Excluding Goodwill [Line Items]    
Weighted Average Remaining Useful Life (in years) 5 years 7 months 6 days  
Amortized intangible assets, Gross Carrying Amount 500   
Amortized intangible assets, Accumulated Amortization      
Amortized intangible assets, Net Carrying Amount $ 500