Share-based Compensation Plans (Narrative) (Details) $ in Millions	3 Months Ended	6 Months Ended
Jun. 30, 2020 USD ($) shares	Jun. 30, 2020 USD ($) shares
Share based awards granted \| shares	46,716	46,716
Exchange ratio applied in the offering		1.1730
The 2018 Equity Incentive Plan [Member]
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Total \| $	$ 1.4	$ 1.4
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition		3 years 7 months 21 days
The 2018 Equity Incentive Plan [Member] \| Restricted Stock [Member]
Share based award vesting period		5 years
The 2018 Equity Incentive Plan [Member] \| Restricted Stock [Member] \| Share-based Payment Arrangement, Tranche One [Member]
Share based award vesting right percentage		20.00%
The 2018 Equity Incentive Plan [Member] \| Employee Stock Option [Member]
Share based award vesting period		5 years
Share based award expiration period		10 years

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Amount of cost not yet recognized for nonvested award under share-based payment arrangement.

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Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition.

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Gross number of share options (or share units) granted during the period.

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Period from grant date that an equity-based award expires, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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