Segment Information (Details Textual) (USD $) In Millions, unless otherwise specified	9 Months Ended
	Sep. 30, 2012 Segment	Dec. 31, 2011
Segment Information (Textual) [Abstract]
Number of segments	2
Sale of Fisher Plaza		$ 160.0
Television [Member]
Segment Reporting Information [Line Items]
Number of operating segments	20
Operating segments, percentage	50.00%
Radio [Member]
Segment Reporting Information [Line Items]
Number of owned radio stations	3
Number of managed radio stations	1