Annual report pursuant to Section 13 and 15(d)

Segment Data - Additional Information (Detail)

v2.4.0.8
Segment Data - Additional Information (Detail)
12 Months Ended
Dec. 31, 2013
Segment
Radio Broadcast
 
Segment Reporting Information [Line Items]  
Operating segments 1
Non-Broadcast Segment
 
Segment Reporting Information [Line Items]  
Operating segments 2