Defined Contribution Plan, Employer Safe Harbor Matching Contribution, Percent of Match

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Defined Contribution Plan, Term Of Service Required For Full Vesting

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Unrecognized compensation expense related to unvested Common Units.

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Unrecognized compensation expense related to unvested common units weighted-average period.

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Unrecognized compensation expense related to unvested stock options.

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Unrecognized Compensation Expense Related To Unvested Stock Options Weighted-Average Period.

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- Definition

Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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- Definition

Amount of cost for defined contribution plan.

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Percentage of employees' gross pay for which the employer contributes a matching contribution to a defined contribution plan.

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Percentage employer matches of the employee's percentage contribution matched.

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Percentage of employer's matching contributions to a defined contribution plan that vests in a given year.

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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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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Number of shares authorized for issuance under share-based payment arrangement.

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The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan.

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

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

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The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.

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Fair value of options vested. Excludes equity instruments other than options, for example, but not limited to, share units, stock appreciation rights, restricted stock.

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Compensation Plans (Details) - USD ($) $ / shares in Units, $ in Millions				12 Months Ended
	Aug. 20, 2019	Apr. 23, 2019	May 02, 2018	Dec. 31, 2019	Dec. 31, 2018	Apr. 17, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exercise price (in dollars per share)	$ 6.42
Options granted (in shares)	477,500
Share-based payment arrangement, expense				$ 6.9
Unrecognized compensation expense related to unvested stock options				$ 3.0
Unrecognized compensation expense related to unvested stock options weighted-average period				4 years 2 months 12 days
Weighted average grant date fair value (in dollars per share)				$ 6.70
Options vested in period, fair value				$ 0.1
Unrecognized compensation expense related to unvested common units				$ 5.2
Unrecognized compensation expense related to unvested common units weighted-average period				2 years 2 months 12 days
Employer matching contribution, percent				3.00%
Defined contribution plan, percent of match				50.00%
Employer matching contribution, annual vesting percentage				33.00%
Term of service required for full vesting				3 years
Employer safe harbor matching contribution, percent				100.00%
Defined contribution plan, cost				$ 0.3	$ 0.2
Stock option
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options granted (in shares)				654,284	0
Share-based payment arrangement, expense				$ 1.1
Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period	5 years	0 years
Employer matching contribution, percent				3.00%
Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period	10 years	4 years
Employer matching contribution, percent				5.00%
IPO
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options granted, net (in shares)			176,784
Exercise price (in dollars per share)			$ 17.00
Equity Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares authorized (in shares)						5,000,000