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GOODWILL AND INTANGIBLE ASSETS (Details 2) (USD $) In Thousands, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2010
Changes in the carrying amount of the company's telecommunications licenses, by operating segment |  |  |  |
Balance at the beginning of the period | $ 39,905 |  |  |
Impairment charge | 0 | (3,400) |  |
Balance at the end of the period | 39,687 | 39,905 |  |
Island Wireless |  |  |  |
Telecommunications licenses |  |  |  |
Number of reporting units where book value exceeded fair value |  | 1 |  |
Telecommunications Licenses |  |  |  |
Changes in the carrying amount of the company's telecommunications licenses, by operating segment |  |  |  |
Balance at the beginning of the period | 39,905 | 43,165 |  |
Acquired licenses | 186 | 90 |  |
Impairment charge | 0 | (3,350) | 0 | 0
Licenses sold | (404) |  |  |
Balance at the end of the period | 39,687 | 39,905 | 43,165 |
Telecommunications Licenses | U.S. Wireless |  |  |  |
Changes in the carrying amount of the company's telecommunications licenses, by operating segment |  |  |  |
Balance at the beginning of the period | 20,106 | 20,016 |  |
Acquired licenses | 186 | 90 |  |
Licenses sold | (404) |  |  |
Balance at the end of the period | 19,888 | 20,106 |  |
Telecommunications Licenses | U.S. Wireline |  |  |  |
Changes in the carrying amount of the company's telecommunications licenses, by operating segment |  |  |  |
Balance at the end of the period | 31 | 31 | 31 |
Telecommunications Licenses | Island Wireless |  |  |  |
Changes in the carrying amount of the company's telecommunications licenses, by operating segment |  |  |  |
Balance at the beginning of the period |  | 23,118 |  |
Impairment charge |  | (3,350) |  |
Balance at the end of the period | 19,768 | 19,768 |  |
Telecommunications Licenses | Certain Island Wireless Reporting Unit |  |  |  |
Changes in the carrying amount of the company's telecommunications licenses, by operating segment |  |  |  |
Impairment charge |  | $ (3,400) |  |

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- Definition 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. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275 + Details
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