ACQUIRED INTANGIBLE ASSETS, NET (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	$ 22,065	$ 27,720
Accumulated Amortization	(12,109)	(16,252)
Accumulated impairment	(9,149)	(10,022)
Net carrying amount	807us-gaap_FiniteLivedIntangibleAssetsNet	1,446us-gaap_FiniteLivedIntangibleAssetsNet
Impairment of intangible assets			9,583
Amortization expense	606us-gaap_AdjustmentForAmortization	836us-gaap_AdjustmentForAmortization	2,635us-gaap_AdjustmentForAmortization
2015	274
2016	273
2017	130
2018	130
thereafter
TV program license [Member]
Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	6,217	6,372
Accumulated Amortization	(1,857)	(1,903)
Accumulated impairment	(4,360)	(4,469)
Net carrying amount
Audio-vision programming and broadcasting qualification [Member]
Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	224	229
Accumulated Amortization	(38)	(39)
Accumulated impairment	(186)	(190)
Net carrying amount
Customer relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	1,516	1,553
Accumulated Amortization	(1,454)	(1,490)
Accumulated impairment	(62)	(63)
Net carrying amount
Contract backlog [Member]
Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	1,986	2,035
Accumulated Amortization	(1,955)	(2,003)
Accumulated impairment	(31)	(32)
Net carrying amount
Concession agreements [Member]
Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	11,932	17,337
Accumulated Amortization	(6,625)	(10,633)
Accumulated impairment	(4,500)	(5,258)
Net carrying amount	807	1,446
Non-compete agreements [Member]
Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	190	194
Accumulated Amortization	(180)	(184)
Accumulated impairment	(10)	(10)
Net carrying amount

Finite-Lived Intangible Assets, Impairment

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- Definition

The aggregate amount of recurring noncash expense charged against earnings in the period to allocate the cost of assets over their estimated remaining economic lives.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 28

-Subparagraph (b)

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Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

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Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized after the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

No definition available.

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Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized during the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

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-Section 50

-Paragraph 2

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Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized during the fourth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ 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 (a)(3)

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Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized during the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

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-Subparagraph (a)(3)

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Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized during the second fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

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-SubTopic 30

-Section 50

-Paragraph 2

-Subparagraph (a)(3)

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- Definition

Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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- Definition

The amount of impairment loss recognized in the period resulting from the write-down of the carrying amount of a finite-lived intangible asset to fair value.

+ References

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

-Publisher FASB

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