Estimated period for the liquidation of the underlying assets, maximum.

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- Definition

Estimated period for the liquidation of the underlying assets, Minimum.

+ References

No definition available.

+ Details

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- Definition

The net change during the reporting period of the investments in funds managed by the firm and investments in third-party managed funds in which we are entitled to a portion of the management and/or performance fees.

+ References

No definition available.

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- Definition

Investments at fair value that cannot be redeemed at reporting date and are subject to a prior written redemption request.

+ References

No definition available.

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- Definition

Percentage of investment with no redemption provisions.

+ References

No definition available.

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- Definition

Expected to liquidate in one to eleven years.

+ References

No definition available.

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- Definition

Investments redeemable within 60-90 days

+ References

No definition available.

+ Details

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

The fair value as of the balance sheet date of firm holdings in private equity, mezzanine, venture capital, merchant banking, real estate and special situations investments. Includes both pledged (to counterparties as collateral for financing transactions) and unpledged holdings.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 940

-SubTopic 320

-Section 45

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=35711157&loc=d3e42546-110969

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Fair Value Disclosures - Investments Measured at Fair Value Based on Net Asset Value Per Share (Footnote) (Detail) - USD ($) $ in Thousands	6 Months Ended
	May. 31, 2015	May. 31, 2014	Nov. 30, 2014
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]
Investments, at fair value	$ 132,061		$ 126,372
Increase in funds	$ (16,525)	$ (12,469)
Equity Long/Short Hedge Funds [Member]
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]
Percentage of redeemable investments	100.00%		99.00%
Fixed Income and High Yield Hedge Funds [Member]
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]
Percentage of investments with no redemption provisions	7.00%		8.00%
Increase in funds	$ 2,500
Fund of Funds [Member]
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]
Percentage of investments with no redemption provisions	96.00%		95.00%
Estimated period for the liquidation of the underlying assets, Maximum	2 years
Private equity funds [Member]
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]
Estimated period for the liquidation of the underlying assets, Maximum	8 years
Percentage of investments at fair value expected to liquidate	99.00%		99.00%
Estimated period for the liquidation of the underlying assets, Minimum	1 year
Investments which are not investment companies [Member]
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]
Investments, at fair value	$ 131,200		$ 126,300
Minimum [Member] \| Equity Long/Short Hedge Funds [Member]
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]
Notice period redemption of investment prior written notice period	30 days
Maximum [Member] \| Equity Long/Short Hedge Funds [Member]
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]
Notice period redemption of investment prior written notice period	90 days