XML 64 R5.htm IDEA: XBRL DOCUMENT v2.4.0.6

Unaudited Condensed Consolidated Statements Of Changes In Partners' Capital (Parentheticals) (USD $)	6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011
Statement Of Stockholders Equity (Abstract)
Distributions per unit	$ 0.465	$ 0.465

X

- Definition

Per-share or per-unit cash distributions declared to a common shareholder or unit-holder by an LLC or LP.

+ References

No definition available.

+ Details

Name:	us-gaap_DistributionMadeToMemberOrLimitedPartnerDistributionsDeclaredPerUnit
Namespace Prefix:	us-gaap_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	us-gaap_StatementOfStockholdersEquityAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration