Organization, Nature of Operations, and Principles of Consolidation - Additional Information (Detail) $ in Millions |
9 Months Ended |
|---|---|
|
Sep. 30, 2017
USD ($)
Title
Channel
| |
| Restructuring Cost And Reserve [Line Items] | |
| Percentage of digital streaming exclusively available for subscribers | 90.00% |
| Number of channels | Channel | 3 |
| Accounting Standards Update 2016-09 [Member] | |
| Restructuring Cost And Reserve [Line Items] | |
| Cumulative-effect adjustment | $ | $ 0.2 |
| Minimum [Member] | |
| Restructuring Cost And Reserve [Line Items] | |
| Number of titles available in digital content library | Title | 8,000 |
| Percentage of produced and owned content of total views | 80.00% |