Equity and Earnings Per Common Share - Weighted Average Shares Outstanding (Details) - shares shares in Thousands	3 Months Ended
Mar. 31, 2019	Mar. 31, 2018
Equity and Earnings Per Common Share
Basic weighted average number of shares outstanding	253,877	186,188
Add: Dilutive effect of restrictive stock units	300
Add: Dilutive effect of Series A preferred stock	726
Diluted weighted average number of shares outstanding	254,903	186,188

N/A

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Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of convertible preferred stock using the if-converted method.

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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 average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period.

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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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