Nature of Business - Additional Information (Detail)	12 Months Ended
	Dec. 31, 2013 Segment
Segment Reporting Information [Line Items]
Number of reportable segments	2
Television [Member]
Segment Reporting Information [Line Items]
Segment operations, number of television or radio stations operated	58
Radio [Member]
Segment Reporting Information [Line Items]
Segment operations, number of television or radio stations operated	49
Radio operations stations, number of location	19