Annual report pursuant to Section 13 and 15(d)

Reconciliation of Income Tax Expense to Bermuda Statutory Rate and Reported Income Tax Expense (Detail)

v2.4.0.8
Reconciliation of Income Tax Expense to Bermuda Statutory Rate and Reported Income Tax Expense (Detail) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Reconciliation of Statutory Tax Rate [Line Items]      
Benefit from global tax platform $ (6,074)    
Tax contingencies 1,394    
Expense from change in tax status 2,462    
Income tax expense 11,802 706 1,700
Other Foreign Country
     
Reconciliation of Statutory Tax Rate [Line Items]      
Foreign income taxes at different rates $ 14,020 $ 706 $ 1,700