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Segment Information - Additional Information (Detail) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2016 USD ($) Segment | Mar. 31, 2015 USD ($)
Segment Reporting Information [Line Items] |  |
Number of reportable segments | Segment | 4 |
Total revenues | $ 424,173 | $ 404,298
London, Bermuda and Cayman Islands |  |
Segment Reporting Information [Line Items] |  |
Total revenues | $ 2,800 | $ 2,700

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- Definition Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements. + References No definition available. + Details
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- Definition Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.1) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 + 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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Period Type: |