Annual report pursuant to Section 13 and 15(d)

Income Taxes - Components of Net Income Before Income Taxes (Details)

v3.20.4
Income Taxes - Components of Net Income Before Income Taxes (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Components Of Net Income Before Income Taxes [Line Items]      
Net income (loss) before income taxes $ (4,000,047) $ 911,365 $ 969,310
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 $ (4,000,047) $ 911,365 $ 969,310