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Earnings (Loss) Per Share (Details 3) - 1.375% Convertible senior notes due 2023 - Convertible senior notes shares in Millions	3 Months Ended
	Mar. 31, 2022 $ / shares shares
Dilutive shares included in calculation of earnings per share
Initial conversion price of notes (in dollars per share) | $ / shares	$ 18.93
Potential incremental common shares attributable to dilutive effect of conversion of convertible notes	0.8
Potential cumulative common shares attributable to dilutive effect of conversion of convertible notes payable	2.6

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The price per share of the conversion feature embedded in the debt instrument.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 20
-Section 50
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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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