Organization and Nature of Business - Additional Information (Details)	12 Months Ended
	Dec. 31, 2016 RadioStation TelevisionStation TelevisionOperation
Radio
Organization and Nature of Business (Textual) [Abstract]
Number of stations owned | RadioStation	17
Television
Organization and Nature of Business (Textual) [Abstract]
Number of stations owned | TelevisionStation	6
Number of operations operated | TelevisionOperation	1