Annual report pursuant to Section 13 and 15(d)

Income Taxes - Components of net income before income taxes (Details)

v3.6.0.2
Income Taxes - Components of net income before income taxes (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Components Of Net Income Before Income Taxes [Line Items]      
Net income before income taxes $ 640,303 $ 433,909 $ 340,334
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 $ 640,303 $ 433,909 $ 340,334