v2.4.0.8
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
Sep. 30, 2014
Sep. 30, 2013
Sep. 30, 2014
Sep. 30, 2013
Blackstone's Treasury Cash Management Strategies
       
Gain (Loss) on Investments [Line Items]        
Realized Gains (Losses) $ 2,142 $ (6,587) $ 6,307 $ (4,030)
Net Change in Unrealized Gains (Losses) (14,541) 10,126 1,551 (9,041)
Total realized and net change in unrealized gains (losses) $ (12,399) $ 3,539 $ 7,858 $ (13,071)