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Income Taxes (Tables)
 9 Months Ended
Sep. 30, 2014
Income Tax Disclosure [Abstract]  
Sources of income from continuing operations before income taxes
The sources of income from continuing operations before income taxes and earnings of unconsolidated equity method investment for the three and nine months ended September 30, 2013 and 2014 were as follows: 
 
Three Months Ended September 30,
 
Nine Months Ended September 30,
 
2013
 
2014
 
2013
 
2014
U.S. operations
$
488

 
$
772

 
$
1,684

 
$
2,293

Non-U.S. operations
(75,643
)
 
20,936

 
(13,605
)
 
34,798

Total
$
(75,155
)
 
$
21,708

 
$
(11,921
)
 
$
37,091
Analysis of effective income tax rate for continuing operations
Differences between statutory income tax rates and our effective income tax rates applied to pre-tax income consisted of the following: 
 
Three Months Ended September 30,
 
Nine Months Ended September 30,
 
2013
 
2014
 
2013
 
2014
Notional U.S. federal income tax expense (benefit) at the statutory rate
$
(26,305
)
 
$
7,598

 
$
(4,173
)
 
$
12,982

U.S. state and local income tax, net
39

 
57

 
125

 
176

Non-U.S. operations:
 
 
 
 
 
 
 
Bermuda
26,613

 
215

 
13,748

 
6,455

Ireland
(53
)
 
(2,411
)
 
(544
)
 
(3,163
)
Singapore
(170
)
 
(1,418
)
 
(23
)
 
(3,895
)
Other
(820
)
 
(692
)
 
(2,696
)
 
(2,061
)
Non-deductible expenses in the U.S.
107

 
146

 
306

 
464

Other
(8
)
 
(11
)
 
(24
)
 
(33
)
Income tax provision
$
(597
)
 
$
3,484

 
$
6,719

 
$
10,925