Note 9 - Changes in Goodwill and Other Intangible Assets (Details) - USD ($)	3 Months Ended	9 Months Ended
	Sep. 30, 2015	Sep. 30, 2015
Broadcast Licenses [Member]
Net Balance, Beginning		$ 1,023,580,000
Acquisitions And Adjustments		34,670,000
Net Balance, Ending	$ 1,058,250,000	1,058,250,000
Other Intangible Assets [Member]
Acquisitions And Adjustments		11,997,000
Net Balance, Beginning		47,802,000
Amortization		(8,715,000)
Net Balance, Ending	51,084,000	51,084,000
Net Balance, Beginning		47,802,000
Net Balance, Ending	51,084,000	51,084,000
Net Balance, Beginning		374,390,000
Acquisitions And Adjustments		23,845,000
Net Balance, Ending	398,235,000	398,235,000
Net Balance, Beginning		1,023,580,000
Acquisitions And Adjustments		70,512,000
Net Balance, Ending	1,058,250,000	1,058,250,000
Net Balance, Beginning		47,802,000
Amortization	(3,213,000)	(8,715,000)
Net Balance, Ending	51,084,000	51,084,000
Net Balance, Beginning		1,445,772,000
Net Balance, Ending	$ 1,507,569,000	$ 1,507,569,000