Equity-based Compensation - OpCo Unit Activity (Details) - OpCo Units - $ / shares	9 Months Ended
Sep. 30, 2020	Sep. 30, 2019
Shares
Beginning balance (in shares)	228,819	441,681
Effect of Reorganization Transactions and IPO (in shares)	(6,909)	0
Vested (in shares)	(162,218)	(118,867)
Forfeited (in shares)	(59,692)	(93,995)
Ending balance (in shares)	0	228,819
Weighted Average Grant Date Fair Value
Beginning balance (in dollars per share)	$ 1.72
Effect of Reorganization Transactions and IPO (in dollars per share)	10.48
Vested (in dollars per share)	1.72
Forfeited (in dollars per share)	0.68
Ending balance (in dollars per share)	$ 0

The number of shares converted in a noncash (or part noncash) transaction. Noncash is defined as transactions during a period that do not result in cash receipts or cash payments in the period. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.

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The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period.

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Weighted average fair value as of the grant date of equity-based award plans other than stock (unit) option plans that were not exercised or put into effect as a result of the occurrence of a terminating event.

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The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

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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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Per share or unit weighted-average fair value of nonvested award under share-based payment arrangement. Excludes share and unit options.

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The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period.

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The weighted average fair value as of grant date pertaining to an equity-based award plan other than a stock (or unit) option plan for which the grantee gained the right during the reporting period, by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash in accordance with the terms of the arrangement.

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Conversion Of Stock, Weighted Average Grant Date Fair Value

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