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SUBSEQUENT EVENTS (Details) - 10Q (USD $)	9 Months Ended		85 Months Ended	9 Months Ended		85 Months Ended	9 Months Ended		85 Months Ended	1 Months Ended	2 Months Ended	1 Months Ended	2 Months Ended	1 Months Ended	2 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2014 Class B	Sep. 30, 2013 Class B	Sep. 30, 2014 Class B	Sep. 30, 2014 General Partnership	Sep. 30, 2013 General Partnership	Sep. 30, 2014 General Partnership	Nov. 04, 2014 Subsequent event	Nov. 30, 2014 Subsequent event	Nov. 04, 2014 Subsequent event Class B	Nov. 30, 2014 Subsequent event Class B	Nov. 04, 2014 Subsequent event General Partnership	Nov. 30, 2014 Subsequent event General Partnership
Subsequent events
Repurchase of depository receipts	25,920		1,268,811			2,308			122	5,277	5,277
Repurchase price of depository receipts	$ 47.22		$ 25.32							$ 47.37	$ 47.37
Repurchase price of units	$ 1,416.60					$ 726.25				$ 1,421.10	$ 1,421.10
Repurchase of depository receipts	$ 1,258,399									$ 257,098	$ 257,098
Repurchase of units	1,080	905		205			11					41.8	41.8	2.2	2.2
Total cost of repurchase	1,564,397	1,021,987	34,045,000	290,698	192,610		15,300	10,137				59,369		3,125
Gain on the sale		$ 3,678,839

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- Definition

Represents the number of depository receipts repurchased under the equity repurchase program.

+ References

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- Definition

Represents the average price at which depository receipts are repurchased under the equity repurchase program.

+ References

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- Definition

Represents the amount of depository receipts repurchased under the equity repurchase program.

+ References

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- Definition

Represents the average price at which units are repurchased under the equity repurchase program.

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- Definition

Amount of gain (loss), after tax expense or benefit and not previously recognized, resulting from the sale of a business component.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 205

-SubTopic 20

-Section 45

-Paragraph 3

-URI http://asc.fasb.org/extlink&oid=6892542&loc=d3e957-107759



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-Name Accounting Standards Codification

-Topic 205

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=6360339&loc=d3e1361-107760

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- Definition

Value of units that were previously issued and have been repurchased during the year.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 272

-SubTopic 10

-Section 45

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6828210&loc=d3e70191-108054

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Units that were previously issued and have been repurchased during the year.

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 505

-SubTopic 10

-Section S99

-Paragraph 5

-Subparagraph (SAB TOPIC 4.F)

-URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187171-122770

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