Annual report pursuant to Section 13 and 15(d)

Acquisitions - Additional Information (Detail)

v3.19.1
Acquisitions - Additional Information (Detail)
$ in Millions
12 Months Ended
Feb. 06, 2019
USD ($)
Subscriber
Jan. 31, 2017
USD ($)
DCC Labs [Member]    
Business Acquisition [Line Items]    
Percentage of equity interest acquired   100.00%
Payments to acquire business, paid in shares   $ 2.7
Net purchase price of acquired business   7.9
Payments to acquire business   $ 5.2
Xstream A/S [Member] | Subsequent Event [Member]    
Business Acquisition [Line Items]    
Percentage of equity interest acquired 100.00%  
Payments to acquire business, paid in shares $ 0.9  
Net purchase price of acquired business 5.5  
Payments to acquire business $ 4.6  
Xstream A/S [Member] | Minimum [Member] | Subsequent Event [Member]    
Business Acquisition [Line Items]    
Number of OTT video subscribers | Subscriber 5,000,000