Annual report pursuant to Section 13 and 15(d)

Summary of Significant Accounting Policies - Reconciliation between Basic and Diluted Earnings Per Share (Details)

v3.20.4
Summary of Significant Accounting Policies - Reconciliation between Basic and Diluted Earnings Per Share (Details) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 12 Months Ended
Dec. 31, 2020
Sep. 30, 2020
Jun. 30, 2020
Mar. 31, 2020
Dec. 31, 2019
Sep. 30, 2019
Jun. 30, 2019
Mar. 31, 2019
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Earnings Per Share [Abstract]                      
Net income (loss) $ (738,933) $ (677,366) $ (715,243) $ (1,880,972) $ 121,297 $ 450,584 $ 240,190 $ 118,157 $ (4,012,514) $ 930,228 $ 954,843
Basic weighted-average shares outstanding                 254,728,932 214,929,977 223,001,739
Dilutive effect of share awards                   1,545,099 1,417,466
Diluted weighted-average shares outstanding                 254,728,932 216,475,076 224,419,205
Basic earnings (loss) per share (in dollars per share) $ (2.51) $ (2.50) $ (2.99) $ (8.80) $ 0.57 $ 2.10 $ 1.11 $ 0.54 $ (15.75) $ 4.33 $ 4.28
Diluted earnings (loss) per share (in dollars per share) $ (2.51) $ (2.50) $ (2.99) $ (8.80) $ 0.56 $ 2.09 $ 1.11 $ 0.54 $ (15.75) $ 4.30 $ 4.25