Note 9 - Intangible Assets and Related Accumulated Amortization (Details) - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014
Broadcast Licenses [Member]
Gross	$ 1,111,948	$ 1,077,279
Accumulated Amortization	(53,698)	(53,699)
Net	1,058,250	1,023,580
Goodwill Not Amortizable [Member]
Gross	398,235	374,390
Goodwill	398,235	374,390
Intangible Assets Not Subject to Amortization [Member]
Accumulated Amortization	(53,698)	(53,699)
Gross	1,510,183	1,451,669
Net	1,456,485	1,397,970
Licensing Agreements [Member]
Accumulated Amortization	(1,264)	(1,264)
Gross	1,264	1,264
Other Intangible Assets [Member]
Accumulated Amortization	(30,193)	(21,479)
Gross	81,277	69,281
Net	51,084	47,802
Intangible Assets Subject to Amortization [Member]
Accumulated Amortization	(31,457)	(22,743)
Gross	82,541	70,545
Net	51,084	47,802
Accumulated Amortization	(85,155)	(76,442)
Net	1,058,250	1,023,580
Goodwill	398,235	374,390
Gross	1,592,724	1,522,214
Net	$ 1,507,569	$ 1,445,772