Quarterly report pursuant to Section 13 or 15(d)

Equity and Share-Based Compensation - Additional Information (Detail)

v3.19.3
Equity and Share-Based Compensation - Additional Information (Detail)
1 Months Ended 9 Months Ended
Jun. 30, 2019
Title
shares
Sep. 30, 2019
USD ($)
shares
Sep. 30, 2018
USD ($)
shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Share-based compensation expense | $   $ 1,597,000 $ 1,138,000
Options exercised during period   0 45,800
Proceeds from stock options exercised | $     $ 258,000
Original Content Acquisition [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Number of titles of original content acquired to be integrated | Title 450    
Class A Common Stock [Member] | Complementary Streaming Platform [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Issuance of common stock as consideration for acquisition 404,891    
Class A Common Stock [Member] | Complementary Streaming Platform [Member] | Maximum [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Additional number of shares to be issued as consideration 139,665    
Class A Common Stock [Member] | Original Content Acquisition [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Issuance of common stock as consideration for acquisition 79,941