ORGANIZATION AND BASIS OF PRESENTATION (Details)	0 Months Ended	12 Months Ended
Dec. 21, 2012 item	Dec. 31, 2012 item
ORGANIZATION AND BASIS OF PRESENTATION
Number of reportable segments		3
Number of wholly-owned subsidiaries included in spin-off	2
Number of separate publicly-traded companies resulted from the spin-off	2

Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

No definition available.

Name:	us-gaap_NumberOfReportableSegments
Namespace Prefix:	us-gaap_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration