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Summary of Fair Value by Strategy Type Alongside Consolidated Funds of Hedge Funds' Remaining Unfunded Commitments and Ability to Redeem Such Investments (Detail) (USD $)
In Thousands, unless otherwise specified |
Jun. 30, 2012
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|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Net Asset Value As Fair Value By Strategy [Line Items] | ||||||||||||
| Fair Value | $ 741,401 | |||||||||||
| Unfunded Commitments | 9,704 | |||||||||||
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Diversified Instruments
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| Net Asset Value As Fair Value By Strategy [Line Items] | ||||||||||||
| Fair Value | 145,694 | [1] | ||||||||||
| Unfunded Commitments | 7,724 | [1] | ||||||||||
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Credit Driven
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| Net Asset Value As Fair Value By Strategy [Line Items] | ||||||||||||
| Fair Value | 163,176 | [2] | ||||||||||
| Unfunded Commitments | 1,980 | [2] | ||||||||||
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Event Driven
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| Net Asset Value As Fair Value By Strategy [Line Items] | ||||||||||||
| Fair Value | 99,340 | [3] | ||||||||||
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Equity
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| Net Asset Value As Fair Value By Strategy [Line Items] | ||||||||||||
| Fair Value | 287,075 | [4] | ||||||||||
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Commodities
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| Net Asset Value As Fair Value By Strategy [Line Items] | ||||||||||||
| Fair Value | $ 46,116 | [5] | ||||||||||
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