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Note 5 - Goodwill and Franchise Value (Details) - Goodwill (USD $) In Thousands, unless otherwise specified | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2010
Goodwill [Abstract] |  |  |  |
Balance as of December, 31, 2011, gross |  |  | $ 318,224 |
Accumulated impairment losses |  |  |  | (299,266)
Balance, net | 49,511 | 32,047 | 18,958 |
Additions through acquisitions | 17,464 | 13,710 |  |
Goodwill allocation to dispositions |  | $ (621) |  |

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- Definition 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. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=14024403&loc=d3e13816-109267 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13770-109266 + Details
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