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Equity and Earnings Per Common Share - Earnings Per Common Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands | 3 Months Ended
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Mar. 31, 2020 | Mar. 31, 2019
Equity and Earnings Per Common Share |  |
Net income (loss) | $ (392,933) | $ 9,648
Less preferred stock dividends | (138) | (29)
Net income (loss) available to common shareholders | $ (393,071) | $ 9,619
Net income (loss) per share-basic and diluted | $ (0.81) | $ 0.04
Weighted average common shares outstanding-basic | 483,103 | 253,877
Weighted average common shares outstanding-diluted | 483,103 | 254,903

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