Quarterly report pursuant to Section 13 or 15(d)

Organization, Nature of Operations, and Principles of Consolidation - Additional Information (Detail)

v3.10.0.1
Organization, Nature of Operations, and Principles of Consolidation - Additional Information (Detail)
$ / shares in Units, $ in Thousands
 1 Months Ended 6 Months Ended
Mar. 31, 2018
USD ($)
$ / shares
shares
Jun. 30, 2018
USD ($)
Title
Channel
Jun. 30, 2017
USD ($)
Organization Nature Of Operations And Principles Of Consolidation [Line Items]      
Percentage of digital streaming exclusively available for subscribers   90.00%  
Number of channels | Channel   3  
Percentage of produced and owned content of total views   80.00%  
Net proceeds from issuance of shares | $   $ 37,143 $ 30
Underwritten Public Offering [Member] | Class A Common Stock [Member]      
Organization Nature Of Operations And Principles Of Consolidation [Line Items]      
Common stock shares issued | shares 2,683,333    
Public offering price per share | $ / shares $ 15.00    
Net proceeds from issuance of shares | $ $ 37,100    
Over-Allotment Option [Member] | Underwriters [Member] | Class A Common Stock [Member]      
Organization Nature Of Operations And Principles Of Consolidation [Line Items]      
Common stock shares issued | shares 350,000    
Minimum [Member]      
Organization Nature Of Operations And Principles Of Consolidation [Line Items]      
Number of titles available in digital content library | Title   8,000