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Realized and Net Change in Unrealized Gains (Losses) on Investments Held by Blackstone's Treasury Cash Management Strategies (Detail) (Blackstone's Treasury Cash Management Strategies, USD $)
In Thousands, unless otherwise specified |
3 Months Ended | 9 Months Ended | ||
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Sep. 30, 2013
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Sep. 30, 2012
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Sep. 30, 2013
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Sep. 30, 2012
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Blackstone's Treasury Cash Management Strategies
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| Gain (Loss) on Investments [Line Items] | ||||
| Realized Gains (Losses) | $ (6,587) | $ 3,228 | $ (4,030) | $ 3,238 |
| Net Change in Unrealized Gains (Losses) | 10,126 | 6,525 | (9,041) | 7,351 |
| Total realized and net change in unrealized gains (losses) | $ 3,539 | $ 9,753 | $ (13,071) | $ 10,589 |