Quarterly report pursuant to Section 13 or 15(d)

Basis of Presentation and Summary of Significant Accounting Policies - Fair Value Measurements, Recurring and Nonrecurring (Details) (Details)

v3.8.0.1
Basis of Presentation and Summary of Significant Accounting Policies - Fair Value Measurements, Recurring and Nonrecurring (Details) (Details) - USD ($)
$ / shares in Units, $ in Thousands
 1 Months Ended 3 Months Ended 12 Months Ended
Mar. 31, 2017
Aug. 31, 2016
Mar. 31, 2017
Dec. 31, 2016
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Earn-out liability $ 1,991   $ 1,991 $ 1,987
Contingently issuable shares 2,022   2,022 4,545
Total financial liabilities 4,048   4,048 6,965
Public SPAC Warrants        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Public SPAC warrants 35   35 433
Quotes prices in active markets (Level 1)        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Earn-out liability 0   0 0
Contingently issuable shares 0   0 0
Total financial liabilities $ 0   $ 0 0
Quotes prices in active markets (Level 1) | Public SPAC Warrants        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Number of warrants (in shares) 6,173,228   6,173,228  
Quotes prices in active markets (Level 1) | Global Eagle Warrants | Public SPAC Warrants        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Number of warrants (in shares) 6,173,228   6,173,228  
Quotes prices in active markets (Level 1) | Public SPAC Warrants        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Public SPAC warrants $ 0   $ 0 0
Significant other observable inputs (Level 2)        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Earn-out liability 0   0 0
Contingently issuable shares 0   0 0
Total financial liabilities 0   0 0
Significant other observable inputs (Level 2) | Public SPAC Warrants        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Public SPAC warrants 0   0 0
Significant other unobservable inputs (Level 3)        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Earn-out liability 1,991   1,991 1,987
Contingently issuable shares 2,022   2,022 4,545
Total financial liabilities 4,048   4,048 6,965
Significant other unobservable inputs (Level 3) | Public SPAC Warrants        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Public SPAC warrants $ 35   $ 35 $ 433
Common Stock | UMG Recordings        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Stock issued during period, litigation (in shares)   1,800,000    
Price Per Share Scenario One | Common Stock | UMG Recordings - share price threshold        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Stock issued during period, litigation (in shares)     500,000 500,000.0
Price Per Share Scenario One | Common Stock | UMG Recordings        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Stock issued during period, litigation (in shares) 500,000 500,000    
Share price of common stock (in usd per share) $ 10.00 $ 10 $ 10.00 $ 10
Price Per Share Scenario Two | Common Stock | UMG Recordings - share price threshold        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Stock issued during period, litigation (in shares)     400,000 400,000.0
Price Per Share Scenario Two | Common Stock | UMG Recordings        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Stock issued during period, litigation (in shares) 400,000 400,000    
Share price of common stock (in usd per share) $ 12.00 $ 12 $ 12.00 $ 12.00