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Segment Operating Results Revenues Derived from Clients and Private Equity Funds by Geographical Areas (Detail) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013
Segment Reporting Information [Line Items] |  |  |
Net revenue | $ 1,228,989 | $ 920,110 | $ 762,565
United States [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Net revenue | 900,672 | 608,631 | 532,615
Europe And Other [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Net revenue | 287,884 | 248,815 | 145,267
Latin America [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Net revenue | $ 40,433 | $ 62,664 | $ 84,683

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- Definition Net Revenues Excluding Other Revenue And Interest Expense. + References No definition available. + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Details
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- Details
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- Details
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