v2.4.0.8
Assets and Liabilities Related to Interest in Non-Consolidated VIEs and Maximum Exposure to Loss (Detail) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2013
Dec. 31, 2012
Variable Interest Entity [Line Items]    
Investments $ 758,304 $ 364,709
Accounts Receivable 166,908 1,885
Due from Affiliates 86,246 112,686
Total VIE Assets 1,011,458 479,280
Due to Affiliates 397 2,657
Accounts Payable, Accrued Expenses and Other Liabilities 2  
Potential Clawback Obligation 63,290 36,040
Maximum Exposure to Loss $ 1,075,147 $ 517,977