Revenue Recognition (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Revenues
Total revenue	$ 149,387	$ 147,079
Total revenue from customers		141,300
Affiliate fees
Revenues
Total revenue	$ 83,256	77,765
Affiliate revenue | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2019-12-31
Revenues
Revenue, remaining performance obligation, expected timing of satisfaction, period	60 days
Advertising revenue
Revenues
Total revenue	$ 60,323	59,692
Advertising revenue | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2019-12-31
Revenues
Revenue, remaining performance obligation, expected timing of satisfaction, period	30 days
Other revenue
Revenues
Total revenue	$ 5,808	9,622
Other revenue | Hurricane Maria
Revenues
Total revenue		$ 5,800