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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 (Parenthetical) (Detail) | Sep. 30, 2013
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Diversified Instruments |
Net Asset Value As Fair Value By Strategy [Line Items] |
Percentage of investments unable to be redeemed at, or within 3 months of reporting date | 59.00%
Percentage of investments in hedge funds in process of liquidation | 34.00%
Percentage of investments side pocketed as of reporting date | 21.00%
Percentage of investments redeemable as of reporting date | 7.00%
Credit Driven |
Net Asset Value As Fair Value By Strategy [Line Items] |
Percentage of investments unable to be redeemed at, or within 3 months of reporting date | 94.00%
Percentage of investments elected to side pocket | 6.00%
Equity |
Net Asset Value As Fair Value By Strategy [Line Items] |
Percentage of investments unable to be redeemed at, or within 3 months of reporting date | 76.00%
Percentage of investments in hedge funds in process of liquidation | 1.00%
Percentage of investments side pocketed as of reporting date | 1.00%
Percentage of investments under lock-up restrictions | 16.00%
Percentage of investments subject to side pocket or gate | 7.00%

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