Note 2 - Acquisitions (Details) - Allocated Fair Value of Acquired Assets and Assumed Liabilities (USD $) In Thousands, unless otherwise specified	0 Months Ended	1 Months Ended	12 Months Ended	13 Months Ended
	Oct. 02, 2014	Oct. 31, 2013	Dec. 31, 2013	Oct. 31, 2014	Dec. 31, 2014	Dec. 31, 2012
Condensed Balance Sheet Statements, Captions [Line Items]
Goodwill			$ 184,409		$ 374,390	$ 170,522
Broadcast licenses			838,982		1,023,580
Other non-current assets			3,289		3,443
Current liabilities			(63,085)		(80,022)
Longterm debt, less current portion			(842,650)		(1,236,401)
Yellowstone [Member]
Condensed Balance Sheet Statements, Captions [Line Items]
Cash			95
Other current assets			280
Property and equipment			7,249
Goodwill			9,421
Broadcast licenses			14,305
Other intangible assets			1,709
Other non-current assets			70
Current liabilities			(304)
Longterm debt, less current portion			(86)
Total	10,000	23,000	32,739	32,700
KJCT [Member]
Condensed Balance Sheet Statements, Captions [Line Items]
Other current assets			91
Property and equipment			2,740
Goodwill			4,466
Broadcast licenses			4,161
Other intangible assets			633
Current liabilities			(91)
Total		$ 12,000	$ 12,000