Note 11 - Goodwill and Intangible Assets (Detail) - Intangible assets and related accumulated amortization (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Gross	$ 1,058,157	$ 1,057,950
Accumulated Amortization	(67,810)	(67,735)
Net	990,347	990,215	990,340
Goodwill	170,522	170,522
Goodwill	170,522	170,522	170,522
Broadcast Licenses [Member]
Gross	872,887	872,680
Accumulated Amortization	(53,699)	(53,699)
Net	819,188	818,981	818,981
Intangible Assets Not Subject to Amortization [Member]
Gross	1,043,409	1,043,202
Accumulated Amortization	(53,699)	(53,699)
Net	989,710	989,503
Licensing Agreements [Member]
Gross	1,264	1,264
Accumulated Amortization	(1,264)	(1,264)
Other Intangible Assets [Member]
Gross	13,484	13,484
Accumulated Amortization	(12,847)	(12,772)
Net	637	712	837
Intangible Assets Subject to Amortization [Member]
Gross	14,748	14,748
Accumulated Amortization	(14,111)	(14,036)
Net	$ 637	$ 712