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FAIR VALUE MEASUREMENT (Details 3) (Available-for-sale securities)	12 Months Ended
	Dec. 31, 2013
Easy Go | Discounted cash flow
Significant unobservable inputs used in the valuation
WACC (as a percent)	28.00%
Terminal growth rate (as a percent)	3.00%
LoMD (as a percent)	17.50%
Easy Go | Option pricing model
Significant unobservable inputs used in the valuation
Time to liquidation	1 year 6 months 25 days
Risk-free rate (as a percent)	0.955%
Expected volatility (as a percent)	36.72%
Dividend yield (as a percent)	0.00%
Easy Go | Option pricing model | Liquidation scenario
Significant unobservable inputs used in the valuation
Probability (as a percent)	55.00%
Easy Go | Option pricing model | Redemption scenario
Significant unobservable inputs used in the valuation
Probability (as a percent)	40.00%
Easy Go | Option pricing model | Mandatory Conversion scenario
Significant unobservable inputs used in the valuation
Probability (as a percent)	5.00%
Dining Secretary | Discounted cash flow
Significant unobservable inputs used in the valuation
WACC (as a percent)	28.00%
Terminal growth rate (as a percent)	3.00%
LoMD (as a percent)	25.00%
Dining Secretary | Option pricing model
Significant unobservable inputs used in the valuation
Time to liquidation	2 years
Risk-free rate (as a percent)	1.08%
Expected volatility (as a percent)	44.90%
Dividend yield (as a percent)	0.00%
Dining Secretary | Option pricing model | Liquidation scenario
Significant unobservable inputs used in the valuation
Probability (as a percent)	45.00%
Dining Secretary | Option pricing model | Redemption scenario
Significant unobservable inputs used in the valuation
Probability (as a percent)	45.00%
Dining Secretary | Option pricing model | IPO scenario
Significant unobservable inputs used in the valuation
Probability (as a percent)	10.00%
Happy City | Discounted cash flow
Significant unobservable inputs used in the valuation
WACC (as a percent)	27.50%
Terminal growth rate (as a percent)	3.00%
LoMD (as a percent)	35.00%
Happy City | Option pricing model
Significant unobservable inputs used in the valuation
Time to liquidation	4 years
Risk-free rate (as a percent)	1.462%
Expected volatility (as a percent)	51.20%
Dividend yield (as a percent)	0.00%
Happy City | Option pricing model | Liquidation scenario
Significant unobservable inputs used in the valuation
Probability (as a percent)	50.00%
Happy City | Option pricing model | Redemption scenario
Significant unobservable inputs used in the valuation
Probability (as a percent)	50.00%

X

- Definition

Represents the probability rate, used as an input to measure fair value.

+ References

No definition available.

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X

- Definition

Expected dividends to be paid to holders of the underlying shares or financial instruments (expressed as a percentage of the share or instrument's price).

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 820

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (e)

-URI http://asc.fasb.org/extlink&oid=25499696&loc=d3e19207-110258

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- Definition

Period the instrument, asset or liability is expected to be outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 820

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (e)

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- Definition

Measure of dispersion, in percentage terms (for instance, the standard deviation or variance), for a given stock price.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 820

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (e)

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- Definition

Risk-free interest rate assumption used in valuing an instrument.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 820

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (e)

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- Definition

Adjustment to the discount rate used to measure fair value for lack of ability to convert business interests into cash quickly.

+ References

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 820

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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

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

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- Definition

Percentage of assumed long-term growth in revenues, used as an input to measure fair value.

+ References

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-Publisher FASB

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