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Note 2 - Acquisitions - Fair Value of Assets Acquired, Liabilities Assumed, and Goodwill from Acquisitions (Details) - USD ($) | Mar. 31, 2017 | Jan. 17, 2017 | Dec. 31, 2016
--- | --- | --- | ---
Goodwill | $ 571,708,000 |  | $ 485,318,000
Fairbanks Acquistion [Member] |  |  |
Current assets | 122,000 |  |
Property and equipment | 2,650,000 |  |
Goodwill | 471,000 |  |
Broadcast licenses | 2,228,000 |  |
Other intangible assets | 2,702,000 |  |
Other non-current assets | 71,000 |  |
Current liabilities | (140,000) |  |
Other long-term liabilities | (84,000) |  |
Total | 8,020,000 |  |
Green Bay Acquisition and Davenport Acquisition [Member] |  |  |
Current assets | 666,000 |  |
Property and equipment | 20,471,000 |  |
Goodwill | 85,919,000 |  |
Broadcast licenses | 149,846,000 |  |
Other intangible assets | 13,398,000 |  |
Other non-current assets | 282,000 |  |
Current liabilities | (695,000) |  |
Other long-term liabilities |  |  |
Total | 269,887,000 |  |
2017 Acquisitions [Member] |  |  |
Current assets | 788,000 |  |
Property and equipment | 23,121,000 |  |
Goodwill | 86,390,000 | $ 86,400,000 |
Broadcast licenses | 152,074,000 |  |
Other intangible assets | 16,100,000 |  |
Other non-current assets | 353,000 |  |
Current liabilities | (835,000) |  |
Other long-term liabilities | (84,000) |  |
Total | $ 277,907,000 |  |

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- Definition Amount of assets that are expected to be realized or consumed within one year or the normal operating cycle, if longer, acquired at the acquisition date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=84161108&loc=d3e4845-128472 + Details
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- Definition The amount of property, plant, and equipment recognized as of the acquisition date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=84161108&loc=d3e4845-128472 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 55 -Paragraph 37 -URI http://asc.fasb.org/extlink&oid=84160947&loc=d3e2207-128464 + Details
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