Restrictions on equity-based instruments during the vesting period, such as the inability to transfer unvested awards, are not taken into account in estimating the fair value of the award. However, restrictions that remain in effect after an award is vested, such as the inability to transfer or hedge vested options or a prohibition on the sale of outstanding vested shares (or other type of equity) for a period of time, affect the estimate of an award's fair value.

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- Definition

The estimated dividend rate (a percentage of the share price) to be paid (expected dividends) to holders of the underlying shares over the option's term.

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The estimated measure of the percentage by which a share price is expected to fluctuate during a period. Volatility also may be defined as a probability-weighted measure of the dispersion of returns about the mean. The volatility of a share price is the standard deviation of the continuously compounded rates of return on the share over a specified period. That is the same as the standard deviation of the differences in the natural logarithms of the stock prices plus dividends, if any, over the period.

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The risk-free interest rate assumption that is used in valuing an option on its own shares.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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No definition available.

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- Definition

The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.

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Expected term of share-based compensation awards, 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 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (f)(2)(i)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SAB Topic 14.D.2)
-URI http://asc.fasb.org/extlink&oid=27013229&loc=d3e301413-122809

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SHARE BASED COMPENSATION (Assumptions) (Details)	12 Months Ended
SHARE BASED COMPENSATION (Assumptions) (Details)	Dec. 31, 2016 ¥ / shares	Dec. 31, 2015 $ / shares	Dec. 31, 2015 ¥ / shares	Dec. 31, 2014 ¥ / shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Fair value per option at grant date (RMB)	¥ 17.48		¥ 27.73	¥ 28.42
JinkoSolar Power [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expected volatility		53.56%	53.56%
Expected dividend yield		0.00%	0.00%
Expected term		10 years	10 years
Risk-free interest rate		2.36%	2.36%
Minimum [Member] \| JinkoSolar Power [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expected forfeiture rate (post-vesting)		0.00%	0.00%
Fair value per option at grant date (RMB) \| $ / shares		$ 1.88
Maximum [Member] \| JinkoSolar Power [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expected forfeiture rate (post-vesting)		10.00%	10.00%
Fair value per option at grant date (RMB) \| $ / shares		$ 2.01
Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expected volatility				93.29%
Expected dividend yield	0.00%
Expected term		6 years 6 months	6 years 6 months	6 years 6 months
Risk-free interest rate				1.93%
Fair value per option at grant date (RMB)				¥ 28.42
Stock Options [Member] \| Minimum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expected volatility	77.72%	83.49%	83.49%
Expected term	5 years 3 months 18 days
Risk-free interest rate	1.74%	1.50%	1.50%
Fair value per option at grant date (RMB)	¥ 16.94		¥ 25.62
Stock Options [Member] \| Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expected volatility	79.56%	91.68%	91.68%
Expected term	6 years 6 months
Risk-free interest rate	1.94%	1.74%	1.74%
Fair value per option at grant date (RMB)	¥ 17.93		¥ 35.31