Note 11 - Goodwill and Intangible Assets (Details) - Changes in Goodwill and Other Intangible Assets (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Note 11 - Goodwill and Intangible Assets (Details) - Changes in Goodwill and Other Intangible Assets [Line Items]
Beginning Balance	$ 184,409us-gaap_Goodwill	$ 170,522us-gaap_Goodwill
Additions	189,981us-gaap_GoodwillAcquiredDuringPeriod	13,887us-gaap_GoodwillAcquiredDuringPeriod
Ending Balance	374,390us-gaap_Goodwill	184,409us-gaap_Goodwill	170,522us-gaap_Goodwill
Beginning Balance Broadcast licenses	838,982
Additions	428,034	36,024
Ending Blance Broadcast licenses	1,023,580	838,982
Beginning Balance Definite lived intangible assets	2,644us-gaap_FiniteLivedIntangibleAssetsNet
Amortization	(8,297)us-gaap_AmortizationOfIntangibleAssets	(336)us-gaap_AmortizationOfIntangibleAssets	(75)us-gaap_AmortizationOfIntangibleAssets
Ending Balance Definite lived intangible assets	47,802us-gaap_FiniteLivedIntangibleAssetsNet	2,644us-gaap_FiniteLivedIntangibleAssetsNet
Beginning Balance Intangible assets net of accumulated amortization	1,026,035	990,347
Additions	428,034	36,024
Amortization	(8,297)us-gaap_AmortizationOfIntangibleAssets	(336)us-gaap_AmortizationOfIntangibleAssets	(75)us-gaap_AmortizationOfIntangibleAssets
Ending Balance Intangible assets net of accumulated amortization	1,445,772	1,026,035	990,347
Broadcast Licenses [Member]
Note 11 - Goodwill and Intangible Assets (Details) - Changes in Goodwill and Other Intangible Assets [Line Items]
Beginning Balance Broadcast licenses	838,982	819,188
Additions	184,598	19,794
Ending Blance Broadcast licenses	1,023,580	838,982
Additions	184,598	19,794
Other Intangible Assets [Member]
Note 11 - Goodwill and Intangible Assets (Details) - Changes in Goodwill and Other Intangible Assets [Line Items]
Additions	53,455	2,343
Beginning Balance Definite lived intangible assets	2,644	637
Amortization	(8,297)	(336)
Ending Balance Definite lived intangible assets	47,802	2,644
Beginning Balance Intangible assets net of accumulated amortization	2,644
Additions	53,455	2,343
Amortization	(8,297)	(336)
Ending Balance Intangible assets net of accumulated amortization	$ 47,802	$ 2,644

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The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

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Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination.

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The increase (decrease) during the reporting period in intangible assets (for example patents and licenses).

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Carrying amount (original costs adjusted for previously recognized amortization and impairment) as of the balance sheet date for the capitalized costs to acquire rights under a license arrangement (for example, to sell specified products in a specified territory) having an indefinite period of benefit.

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Carrying amount of finite-lived intangible assets, indefinite-lived intangible assets and goodwill. Goodwill is an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. Intangible assets are assets, not including financial assets, lacking physical substance.

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No definition available.

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