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FAIR VALUE MEASUREMENTS (Schedule of Fair Value Measurements for Each Class of Assets on Nonrecurring Basis) (Details) - Nonrecurring [Member] ¥ in Thousands	12 Months Ended
	Dec. 31, 2019 CNY (¥)
FAIR VALUE MEASUREMENTS [Line Items]
Long-lived assets held and used	¥ 1,985
Total loss	(6,849)
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]
FAIR VALUE MEASUREMENTS [Line Items]
Long-lived assets held and used	0
Significance Other Observable Inputs (Level 2) [Member]
FAIR VALUE MEASUREMENTS [Line Items]
Long-lived assets held and used	0
Level 3
FAIR VALUE MEASUREMENTS [Line Items]
Long-lived assets held and used	¥ 1,985

X

- Definition

Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258

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X

- Definition

Amount of increase (decrease) in the fair value of derivatives recognized in the income statement.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4A
-Subparagraph (b)(1)
-URI http://asc.fasb.org/extlink&oid=121590274&loc=SL5618551-113959

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- Definition

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.

+ References

No definition available.

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