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Significant Accounting Policies (Details 1) (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Assets under management (AUM) subject to incentive fees and incentive fees
Total AUM Subject to Incentive Fees	$ 254,288,524	$ 229,928,447	$ 254,288,524	$ 229,928,447
Calendar Quarter Ends [Member]
Assets under management (AUM) subject to incentive fees and incentive fees
Total AUM Subject to Incentive Fees		102,510,121		102,510,121
Calendar Year Ends [Member]
Assets under management (AUM) subject to incentive fees and incentive fees
Total AUM Subject to Incentive Fees		127,418,326		127,418,326
May 31,2017 [Member]
Assets under management (AUM) subject to incentive fees and incentive fees
Total AUM Subject to Incentive Fees	254,288,524		254,288,524
Performance Incentive Fees Method 1 [Member]
Assets under management (AUM) subject to incentive fees and incentive fees
Total Incentive Fees		187		694
Performance Incentive Fees Method 1 [Member] | Calendar Quarter Ends [Member]
Assets under management (AUM) subject to incentive fees and incentive fees
Total Incentive Fees				507
Performance Incentive Fees Method 1 [Member] | Calendar Year Ends [Member]
Assets under management (AUM) subject to incentive fees and incentive fees
Total Incentive Fees		187		187
Performance Incentive Fees Method 1 [Member] | May 31,2017 [Member]
Assets under management (AUM) subject to incentive fees and incentive fees
Total Incentive Fees
Performance Incentive Fees Method 2 [Member]
Assets under management (AUM) subject to incentive fees and incentive fees
Total Incentive Fees		722		1,229
Performance Incentive Fees Method 2 [Member] | Calendar Quarter Ends [Member]
Assets under management (AUM) subject to incentive fees and incentive fees
Total Incentive Fees				507
Performance Incentive Fees Method 2 [Member] | Calendar Year Ends [Member]
Assets under management (AUM) subject to incentive fees and incentive fees
Total Incentive Fees		722		722
Performance Incentive Fees Method 2 [Member] | May 31,2017 [Member]
Assets under management (AUM) subject to incentive fees and incentive fees
Total Incentive Fees

X

- Definition

Assets under management (AUM) subject to incentive fees and incentive fees.

+ References

No definition available.

+ Details

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- Definition

Amount of revenues earned by the entity based on the investment results achieved, including, but not limited to, revenues related to management of investment fund assets. Excludes fees based upon a percentage of the assets under management, which are not performance-related fees.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 225

-Section S99

-Paragraph 1

-Subparagraph (SX 210.9-04.13 (a))

-URI http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882

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