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GOODWILL AND INTANGIBLE ASSETS (Details) - USD ($) $ in Thousands	12 Months Ended	24 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Goodwill
Impairment of long-lived assets	$ 3,600
Goodwill impairment	$ 7,491
Discount rate (as a percent)	14.00%
Non-cash impairment charges	$ 11,425
Changes in the carrying amounts of goodwill		$ 0
U.S. Telecom
Goodwill
Goodwill impairment	$ 7,491

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- Definition

Interest rate used to find the present value of an amount to be paid or received in the future as an input to measure fair value. For example, but not limited to, weighted average cost of capital (WACC), cost of capital, cost of equity and cost of debt.

+ References

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Total loss recognized during the period from the impairment of goodwill plus the loss recognized in the period resulting from the impairment of the carrying amount of intangible assets, other than goodwill.

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Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Amount of increase (decrease) of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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The aggregate amount of write-downs for impairments recognized during the period for long-lived assets held for abandonment, exchange or sale.

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