Annual report pursuant to Section 13 and 15(d)

Description of Business (Details)

v3.3.1.900
Description of Business (Details)
$ in Thousands
1 Months Ended 11 Months Ended 12 Months Ended 23 Months Ended
Feb. 14, 2014
USD ($)
Dec. 31, 2014
USD ($)
Dec. 31, 2014
USD ($)
Dec. 31, 2015
USD ($)
Dec. 31, 2014
USD ($)
Dec. 31, 2013
USD ($)
Dec. 31, 2015
USD ($)
item
Acquisition              
Number of claims made against the escrow account | item             0
Impairment of intangible assets       $ 20,669 $ 35,221    
Initial purchase price allocation              
Goodwill   $ 27,166 $ 27,166 $ 6,497 27,166   $ 6,497
Skyhook              
Pro forma information              
Revenue           $ 85,900  
Operating loss           11,700  
Net income (loss) attributable to Liberty Broadband stockholders           48,700  
Skyhook | Capitalized software | Minimum              
Initial purchase price allocation              
Useful life             3 years
Skyhook | Capitalized software | Maximum              
Initial purchase price allocation              
Useful life             5 years
Skyhook | Patents, tradenames and customer relationships Member              
Initial purchase price allocation              
Useful life     5 years        
TruePosition | Skyhook              
Acquisition              
Voting interest acquired (as a percent) 100.00%            
Cash paid for acquisition $ 57,500            
Cash payment for acquisition from capital contribution from Liberty         49,400    
Cash consideration deposited in escrow account $ 6,000            
Term in which indemnification claims made would be settled 12 months            
Impairment of intangible assets   $ 35,200          
Initial purchase price allocation              
Cash and cash equivalents $ 9,442            
Goodwill 24,931            
Amortizable intangible assets 35,598            
Other assets 1,353            
Accounts payable and accrued liabilities (6,905)            
Deferred revenue (5,000)            
Deferred taxes (1,889)            
Initial purchase price allocation $ 57,530            
TruePosition | Skyhook | Selling, general and administrative              
Acquisition              
Acquisition related costs         $ 958 $ 624  
Skyhook | Tradename and customer relationships [member]              
Initial purchase price allocation              
Useful life       5 years 6 months      
Skyhook | Patents              
Initial purchase price allocation              
Useful life       3 years 6 months      
Revenue | Significant customer | TruePosition | Skyhook | Minimum              
Pro forma information              
Percentage expected revenue lost due to loss of major customer       30      
Revenue | Significant customer | TruePosition | Skyhook | Maximum              
Pro forma information              
Percentage expected revenue lost due to loss of major customer       40