Taxation (Income (Loss) Before Income Taxes, Foreign and Domestic) (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Income Tax Expense (Benefit)
Income (loss) before taxes	$ (114,108)	$ 995,920	$ 967,482
Bermuda
Income Tax Expense (Benefit)
Domestic	156,031	1,122,261	861,068
Singapore
Income Tax Expense (Benefit)
Foreign	4,420	16,416	(6,334)
Ireland
Income Tax Expense (Benefit)
Foreign	101	1,315	(388)
U.S.
Income Tax Expense (Benefit)
Foreign	(92,335)	286	102,724
Australia
Income Tax Expense (Benefit)
Foreign	7,148	(1,689)	3,390
Switzerland
Income Tax Expense (Benefit)
Foreign	(106,249)	(40,502)	14,255
U.K.
Income Tax Expense (Benefit)
Foreign	$ (83,224)	$ (102,167)	$ (7,233)

The portion of earnings or loss from continuing operations before income taxes that is attributable to domestic operations.

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Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest.

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