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Segment Information (Details) (USD $)
In Thousands, unless otherwise specified
 3 Months Ended 9 Months Ended
Sep. 30, 2012
Sep. 30, 2011
Sep. 30, 2012
Sep. 30, 2011
Dec. 31, 2011
Segment reporting information          
Net operating revenue $ 32,409 $ 32,027 $ 94,718 $ 93,039  
Station operating expense 22,379 22,939 66,698 68,089  
Corporate general and administrative 1,910 1,965 5,799 5,854  
Operating income (loss) from continuing operations 8,120 7,123 22,221 19,096  
Depreciation and amortization 1,699 1,784 5,068 5,221  
Total assets 197,113 192,190 197,113 192,190 190,334
Radio [Member]
          
Segment reporting information          
Net operating revenue 27,498 27,885 81,180 81,002  
Station operating expense 19,365 20,029 57,641 59,311  
Operating income (loss) from continuing operations 8,133 7,856 23,539 21,691  
Depreciation and amortization 1,301 1,385 3,872 4,072  
Total assets 149,346 150,581 149,346 150,581  
Television [Member]
          
Segment reporting information          
Net operating revenue 4,911 4,142 13,538 12,037  
Station operating expense 3,014 2,910 9,057 8,778  
Operating income (loss) from continuing operations 1,897 1,232 4,481 3,259  
Depreciation and amortization 341 339 1,026 976  
Total assets 23,213 23,739 23,213 23,739  
Corporate and Other [Member]
          
Segment reporting information          
Corporate general and administrative 1,910 1,965 5,799 5,854  
Operating income (loss) from continuing operations (1,910) (1,965) (5,799) (5,854)  
Depreciation and amortization 57 60 170 173  
Total assets 21,612 14,699 21,612 14,699  
Assets Held For Sale [Member]
          
Segment reporting information          
Total assets $ 2,942 $ 3,171 $ 2,942 $ 3,171