SUBSEQUENT EVENTS (Details)	Feb. 28, 2017 USD ($)	Dec. 31, 2016 CNY (¥)
Subsequent Event [Line Items]
Debt Instrument, Face Amount \| ¥		¥ 800,000,000
Subsequent Event [Member] \| 2019 Notes [Member]
Subsequent Event [Line Items]
Debt Instrument, Repurchased Face Amount	$ 61,074,000
Debt Instrument, Face Amount	$ 10,000

Face (par) amount of debt instrument at time of issuance.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 55
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=64930739&loc=d3e28878-108400

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=64930785&loc=d3e28551-108399

Name:	us-gaap_DebtInstrumentFaceAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant