Income Taxes - Components of net income before income taxes (Details) - USD ($) $ in Thousands |
12 Months Ended | ||
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Dec. 31, 2015 |
Dec. 31, 2014 |
Dec. 31, 2013 |
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| Components Of Net Income Before Income Taxes [Line Items] | |||
| Net income before income taxes | $ 433,909 | $ 340,334 | $ 114,688 |
| Bermuda | |||
| Components Of Net Income Before Income Taxes [Line Items] | |||
| Net income before income taxes | |||
| Foreign - Other | |||
| Components Of Net Income Before Income Taxes [Line Items] | |||
| Net income before income taxes | $ 433,909 | $ 340,334 | $ 114,688 |
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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. No definition available.
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- Definition This element represents the income or loss from continuing operations attributable to the economic entity which may also be defined as revenue less expenses from ongoing operations, after income or loss from equity method investments, but before income taxes, extraordinary items, and noncontrolling interest. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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