Units Outstanding (Details)	6 Months Ended
Jun. 30, 2020 shares
Units Outstanding
Outstanding as of December 31, 2019 (in units)	98,192,098
Options exercised (in units)	5,182
Units issued (in units)	408,059
Units retired (in units)	(2,173,368)
Outstanding as of March 31, 2020 (in units)	96,431,971

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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- Definition

Number of shares issued under share-based payment arrangement.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
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- Definition

Number of shares issued which are neither cancelled nor held in the treasury.

+ References

No definition available.

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- Definition

Total number of shares issued during the period, including shares forfeited, as a result of Restricted Stock Awards.

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- Definition

Number of shares that have been repurchased and retired during the period.

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