XML 39 R44.htm IDEA: XBRL DOCUMENT v2.4.0.8

Segment Information (Narrative) (Details)	12 Months Ended
Segment Information (Narrative) (Details)	Dec. 31, 2013
Segment Information 1	60.00%

X

- Definition

Segment Information 1

+ References

No definition available.

+ Details

Name:	best_SegmentInformationZeroTwoOneOneSevenTwoFiveSixNinedSixtrLTGThreeckDD
Namespace Prefix:	best_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration