Acquisition - Changes in Carrying Amount of Goodwill (Detail) $ in Thousands |
9 Months Ended |
---|---|
Sep. 30, 2017
USD ($)
| |
Business Combination Segment Allocation [Line Items] | |
Goodwill, beginning balance | $ 50,081 |
Acquisition | 18,961 |
Goodwill, ending balance | 69,042 |
Television | |
Business Combination Segment Allocation [Line Items] | |
Goodwill, beginning balance | 35,912 |
Goodwill, ending balance | 35,912 |
Digital | |
Business Combination Segment Allocation [Line Items] | |
Goodwill, beginning balance | 14,169 |
Acquisition | 18,961 |
Goodwill, ending balance | $ 33,130 |