Taxation - Income (Loss) Before Income Taxes, Foreign and Domestic (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Income Tax Expense (Benefit)
Income (loss) before taxes	$ (1,218,835)	$ (114,108)	$ 995,920
Bermuda
Income Tax Expense (Benefit)
Domestic	(672,950)	156,031	1,122,261
Singapore
Income Tax Expense (Benefit)
Foreign	112	4,420	16,416
Ireland
Income Tax Expense (Benefit)
Foreign	6	101	1,315
U.S.
Income Tax Expense (Benefit)
Foreign	(367,799)	(92,335)	286
Australia
Income Tax Expense (Benefit)
Foreign	(29,214)	7,148	(1,689)
Switzerland
Income Tax Expense (Benefit)
Foreign	(72,773)	(106,249)	(40,502)
U.K.
Income Tax Expense (Benefit)
Foreign	$ (76,217)	$ (83,224)	$ (102,167)