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Earnings (Loss) Per Share (Details 3) - 1.375% Convertible senior notes due 2023 - Convertible senior notes shares in Millions | 12 Months Ended
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Dec. 31, 2021 $ / shares shares
Dilutive shares included in calculation of earnings per share |
Initial conversion price of notes (in dollars per share) | $ / shares | $ 18.93
Dilutive shares included in calculation of earnings per share | shares | 1.4

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