Equity - IPO (Details) $ / shares in Units, $ in Millions	May 25, 2017 USD ($) $ / shares shares
Initial Public Offering
Conversion ratio of stock-split	66,498.762
IPO
Initial Public Offering
Shares issued \| shares	20,970,589
Share price (in dollars per share) \| $ / shares	$ 17
Gross proceeds	$ 356.5
Issuance costs	22.5
Proceeds from issuance of common stock, net of issuance costs	$ 334.0

The cash outflow for cost incurred directly with the issuance of an equity security.

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The cash inflow associated with the amount received from entity's first offering of stock to the public.

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Cash received on stock transaction after deduction of issuance costs.

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Per share or per unit amount of equity securities issued.

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Number of new stock issued during the period.

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Ratio applied to the conversion of stock split, for example but not limited to, one share converted to two or two shares converted to one.

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