Earnings per Share (Details) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
Mar. 31, 2020	Mar. 31, 2019
Numerator:
Net loss	$ (71,756)	$ (21,806)
Denominator:
Basic weighted-average common shares outstanding (in shares)	212,842	104,422
Diluted weighted-average common shares outstanding (in shares)	214,861	104,794
Restricted stock awards
Denominator:
Dilutive effect of awards granted (in shares)	114	37
Restricted stock units
Denominator:
Dilutive effect of awards granted (in shares)	871	8
Restricted stock performance-based unit awards
Denominator:
Dilutive effect of awards granted (in shares)	1,034	327

Weighted Average Number of Shares Outstanding Diluted Excluding Antidilutive Securities Adjustment

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Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of share based payment arrangements using the treasury stock method.

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The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period.

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