Income Taxes - Components of Net Income Before Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Components Of Net Income Before Income Taxes [Line Items]
Net income (loss) before income taxes	$ (4,501,320)	$ (4,000,047)	$ 911,365
Bermuda
Components Of Net Income Before Income Taxes [Line Items]
Net income (loss) before income taxes	0	0	0
Foreign - Other
Components Of Net Income Before Income Taxes [Line Items]
Net income (loss) before income taxes	$ (4,501,320)	$ (4,000,047)	$ 911,365