Annual report pursuant to Section 13 and 15(d)

Employee Benefit Plans (Details)

v3.6.0.2
Employee Benefit Plans (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2016
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Employer cash contribution   $ 0.8 $ 1.1 $ 1.5
Skyhook | Liberty 401k Plan Tranche One        
Company matching contribution (as a percent)   100.00%    
Employee salary eligible for matching contributions (as a percent) 10.00%      
Skyhook | Liberty 401k Plan Tranche Two        
Company matching contribution (as a percent) 50.00%      
Employee salary eligible for matching contributions (as a percent) 8.00%