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CONCENTRATION OF RISK (Details)
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12 Months Ended | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
Dec. 31, 2013
Credit risk
PRC
USD ($)
|
Dec. 31, 2013
Credit risk
PRC
CNY
|
Dec. 31, 2012
Credit risk
PRC
CNY
|
Dec. 31, 2013
Credit risk
Hong Kong Special Administration Region
USD ($)
|
Dec. 31, 2013
Credit risk
Hong Kong Special Administration Region
CNY
|
Dec. 31, 2012
Credit risk
Hong Kong Special Administration Region
CNY
|
Dec. 31, 2013
Credit risk
United States of America
USD ($)
|
Dec. 31, 2013
Credit risk
United States of America
CNY
|
Dec. 31, 2012
Credit risk
United States of America
CNY
|
Dec. 31, 2013
Credit risk
Europe
USD ($)
|
Dec. 31, 2013
Credit risk
Europe
CNY
|
Dec. 31, 2012
Credit risk
Europe
CNY
|
Dec. 31, 2013
Supplier risk
Costs of bandwidth resources
item
|
Dec. 31, 2013
Supplier risk
Costs of bandwidth resources
Two major PRC telecom carriers
|
Dec. 31, 2012
Supplier risk
Costs of bandwidth resources
Two major PRC telecom carriers
|
Dec. 31, 2011
Supplier risk
Costs of bandwidth resources
Two major PRC telecom carriers
|
|
| CONCENTRATION OF RISK | ||||||||||||||||
| Amounts deposited with major financial institutions | $ 28,585,000 | 173,048,000 | 137,778,000 | $ 19,436,000 | 117,657,000 | 56,609,000 | $ 7,828,000 | 47,387,000 | 15,319,000 | $ 0 | 0 | 107,416,000 | ||||
| Percentage of concentration risk | 94.00% | 94.00% | 97.00% | |||||||||||||
| Number of major PRC telecom carriers | 2 | |||||||||||||||