Quarterly report pursuant to Section 13 or 15(d)

Commitments and Contingencies - Contingencies (Details)

v3.19.2
Commitments and Contingencies - Contingencies (Details) - USD ($)
$ / shares in Units, $ in Millions
1 Months Ended
Mar. 31, 2017
Aug. 31, 2016
Aug. 31, 2014
Jun. 30, 2019
Settled litigation | UMG Recordings        
Loss Contingencies [Line Items]        
Paid to American in settlement of lawsuit $ 5.0 $ 18.0    
Stock issued for legal settlements (in shares)   1,800,000    
Pending Litigation | BMG        
Loss Contingencies [Line Items]        
Loss contingency       $ 1.0
Pending Litigation | SwiftAir, LLC        
Loss Contingencies [Line Items]        
Damages sought     $ 9.0  
Price Per Share Scenario One | Common Stock | UMG Recordings        
Loss Contingencies [Line Items]        
Stock issued during period, litigation (in shares) 500,000      
Share price (in usd per share) $ 10.00      
Price Per Share Scenario Two | Common Stock | UMG Recordings        
Loss Contingencies [Line Items]        
Stock issued during period, litigation (in shares) 400,000      
Share price (in usd per share) $ 12.00