Quarterly report pursuant to Section 13 or 15(d)

Related Party Transactions - Additional Information 1 (Details)

v3.2.0.727
Related Party Transactions - Additional Information 1 (Details) - Jun. 30, 2015 - Liberty Media [Member] - director
Total
Executives [Member]  
Related Party Transaction [Line Items]  
Number of Related Party Members on the Board of Directors 2
Director [Member]  
Related Party Transaction [Line Items]  
Number of Related Party Members on the Board of Directors 1
Common Stock [Member] | Minimum [Member]  
Related Party Transaction [Line Items]  
Related party ownership percentage 50.00%