Quarterly report pursuant to sections 13 or 15(d)

Receivables, Net - Summary of Receivables (Detail)

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Receivables, Net - Summary of Receivables (Detail) (USD $)
In Thousands, unless otherwise specified
Mar. 31, 2014
Dec. 31, 2013
Accounts Notes And Loans Receivable [Line Items]    
Management and advisory fees receivable $ 2,696 $ 1,973
Unbilled receivables 2,218 3,741
Other receivables 2 30
Receivables 4,916 5,744
Allowance for doubtful receivables (566) (339)
Receivables, net $ 4,350 $ 5,405