SUBSEQUENT EVENTS (Details) (Subsequent event, USD $)	1 Months Ended
Feb. 28, 2013
Subsequent event
SUBSEQUENT EVENTS
Distribution declared	$ 3,098,053
Distribution declared (in dollars per share)	$ 0.20

The equity impact of cash distributions declared to a common shareholder or unit-holder by a LLC or LP.

No definition available.

Name:	us-gaap_DistributionMadeToMemberOrLimitedPartnerCashDistributionsDeclared
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration