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GOODWILL AND INTANGIBLE ASSETS (Details 2) (USD $) In Thousands, unless otherwise specified | 12 Months Ended |  |  |  | 12 Months Ended
--- | --- | --- | --- | --- | ---
Dec. 31, 2012 | Dec. 31, 2012 Island Wireless | Dec. 31, 2012 Telecommunications Licenses | Dec. 31, 2011 Telecommunications Licenses | Dec. 31, 2012 Telecommunications Licenses U.S. Wireless | Dec. 31, 2011 Telecommunications Licenses U.S. Wireless | Dec. 31, 2012 Telecommunications Licenses U.S. Wireline | Dec. 31, 2011 Telecommunications Licenses U.S. Wireline | Dec. 31, 2010 Telecommunications Licenses U.S. Wireline | Dec. 31, 2012 Telecommunications Licenses Island Wireless | Dec. 31, 2011 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 | $ 87,468 |  | $ 87,468 | $ 80,843 | $ 64,319 | $ 63,794 | $ 31 | $ 31 | $ 31 | $ 23,118 | $ 17,018
Acquired licenses |  |  | 6,340 | 6,625 | 6,340 | 525 |  |  |  |  | 6,100
Impairment charge | (3,400) | (3,400) | (3,350) |  |  |  |  |  |  | (3,350) |
Balance at the end of the period | $ 90,458 |  | $ 90,458 | $ 87,468 | $ 70,659 | $ 64,319 | $ 31 | $ 31 | $ 31 | $ 19,768 | $ 23,118

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- Definition The amount of impairment loss recognized in the period resulting from the write-down of the carrying amount of an indefinite-lived intangible asset, other than goodwill, to fair value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 3 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=7658586&loc=d3e16373-109275 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 142 -Paragraph 46 -Subparagraph b -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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- Definition The aggregate amount of indefinite-lived intangible assets acquired in the period and allocated to the reportable segment. The value is stated at fair value based on the purchase price allocation. + References No definition available. + Details
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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=7658586&loc=d3e16323-109275 + Details
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