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Subsequent Events (Details) (USD $)	2 Months Ended	3 Months Ended
	Dec. 31, 2012	Mar. 31, 2013
Subsequent Events [Abstract]
Distribution Made to Member or Limited Partner, Declaration Date		Apr. 25, 2013
Distributions Per Limited Partnership and General Partnership Unit, Outstanding, Basic	$ 0.375	$ 0.3850
Distribution Made To Member Or Limited Partner Subsequent Distribution Date		May 15, 2013
Distribution Made to Member or Limited Partner, Date of Record		May 07, 2013

X

- Definition

Distribution Made To Member Or Limited Partner Subsequent Distribution Date

+ References

No definition available.

+ Details

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X

- Definition

Date of record for distribution of cash, stock, or units to a member or limited partner of limited liability company (LLC) or limited partnership (LP), in CCYY-MM-DD format.

+ References

No definition available.

+ Details

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X

- Definition

Date of declaration for distribution of cash, stock, or units to a member or limited partner of limited liability company (LLC) or limited partnership (LP), in CCYY-MM-DD format.

+ References

No definition available.

+ Details

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X

- Definition

Cash dividends declared or paid to each outstanding limited partnership and general partnership unit during the reporting period.

+ References

No definition available.

+ Details

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- Details

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