GOODWILL AND INTANGIBLE ASSETS (Details 3) (USD $)	12 Months Ended
Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Customer Relationships
Finite-lived intangible assets
Amortization	$ 8,500,000	$ 10,300,000	$ 8,000,000
Finite lived intangible assets, net
Gross	63,568,000	63,568,000
Accumulated amortization	(30,733,000)	(22,254,000)
Net	32,835,000	41,314,000
Future amortization expense, by operating segment
2013	6,856,000
2014	5,844,000
2015	5,112,000
2016	4,397,000
2017	3,643,000
Thereafter	6,983,000
Net	32,835,000	41,314,000
Customer Relationships \| U.S. Wireless
Finite lived intangible assets, net
Gross	55,500,000	55,500,000
Accumulated amortization	(24,871,000)	(16,886,000)
Net	30,629,000	38,614,000
Future amortization expense, by operating segment
2013	6,442,000
2014	5,468,000
2015	4,769,000
2016	4,088,000
2017	3,367,000
Thereafter	6,495,000
Net	30,629,000	38,614,000
Customer Relationships \| U.S. Wireline
Finite lived intangible assets, net
Gross	5,040,000	5,040,000
Accumulated amortization	(5,040,000)	(4,969,000)
Net		71,000
Future amortization expense, by operating segment
Net		71,000
Customer Relationships \| Island Wireless
Finite lived intangible assets, net
Gross	3,028,000	3,028,000
Accumulated amortization	(822,000)	(399,000)
Net	2,206,000	2,629,000
Future amortization expense, by operating segment
2013	414,000
2014	376,000
2015	343,000
2016	309,000
2017	276,000
Thereafter	488,000
Net	2,206,000	2,629,000
Trade Name License
Finite lived intangible assets, net
Gross	13,817,000	13,817,000
Accumulated amortization	(1,283,000)	(804,000)
Net	12,534,000	13,013,000
Future amortization expense, by operating segment
Net	12,534,000	13,013,000
Trade Name License \| U.S. Wireless
Finite lived intangible assets, net
Gross	13,400,000	13,400,000
Accumulated amortization	(1,283,000)	(804,000)
Net	12,117,000	12,596,000
Future amortization expense, by operating segment
Net	12,117,000	12,596,000
Trade Name License \| Island Wireless
Finite lived intangible assets, net
Gross	417,000	417,000
Net	417,000	417,000
Future amortization expense, by operating segment
Net	$ 417,000	$ 417,000

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.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 142

-Paragraph 45

-Subparagraph a(2)

-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.

Reference 2: http://www.xbrl.org/2003/role/presentationRef

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-Name Accounting Standards Codification

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