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Commitments and Contingencies - Additional Information (Detail) (USD $)
In Millions, unless otherwise specified
12 Months Ended
Dec. 31, 2013
Vendor
Loss Contingencies [Line Items]  
Contingent annual cash rebate $ 1.8
Commitment to purchase satellite based antenna and radome systems 26
Payment due to purchase satellite based antenna and radome systems 8.8
Number of vendors 2
Agreement of equipment purchase in fiscal year 27.8
Agreement of equipment purchase in second year 31.6
Agreement of equipment purchase in third year 32.9
Agreement of equipment purchase in fourth year 31.7
Agreement of equipment purchase in fifth year 15.6
Agreement of equipment purchase in sixth year 0.1
Refund to airline partner 25
Installation of our airline partner's international fleet Jan. 01, 2015
Penalties, installation and other costs 6
Minimum [Member]
 
Loss Contingencies [Line Items]  
One time liquidated damages 1
Maximum [Member]
 
Loss Contingencies [Line Items]  
One time liquidated damages $ 5